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Virtual Observatory at susseX (VOX) Introduction


The Virtual Observatory at susseX (VOX) is a virtual observatory server built using the German Astrophysical Virtual Observatory (GAVO) DaCHS software: Data Center Helper Suite. VOX contains both the maps and the catalogue data.

Maps are available through the Simple Image Access Protocol (SIAP). In particular, VOX makes is possible to get image cutouts at a given position.

The catalogue data is gathered into a single table across all the coverage that users can query using the Table Access Protocol (TAP) with compliant software like TOPCAT , STILTS or PyVO. This allows users to make sophisticated queries or to remotely crossmatch their catalogues with HELP data.

In this notebook, we will go through some simple examples to introduce you to HELP data and using the VOX.

In [1]:
!pip install pyvo
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!pip install aplpy
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In [27]:
from astropy.io import ascii, fits
from astropy import units as u
from astropy.coordinates import SkyCoord
import aplpy
import numpy as np
from astropy.table import Table
import pylab as plt
import seaborn as sns
%matplotlib inline
from astropy import wcs
import pyvo as vo
WARNING: AstropyDeprecationWarning: block_reduce was moved to the astropy.nddata.blocks module.  Please update your import statement. [astropy.nddata.utils]

Example 1: Get sources located near a single position

A very simple use case to get started with is to find all sources close to a specific position. We do this by using the TAP protocol and writing queries in the Astronomical Data Query Language (ADQL), a dialect of the Standard Query Language SQL. Its purpose is to give you a formal language to specify what data you are interested in.

To get started using ADQL, try this ADQL course. There are plenty of introductions SQL itself, which are perfectly useful for learning ADQL. Check your local bookstore. Online, A Gentle Introduction to SQL or chapter three of Practical PostgreSQL might be useful; for the purposes of learning ADQL, you can skip everything talking about "DDL" in general introductions.

For this example we need to specify a right accension and declination, and a search radius

In [3]:
RA=161.63
Dec=59.17
radius=0.028

We also need to create a TAP service that connects to VOX which we can search

In [4]:
service = vo.dal.TAPService("https://herschel-vos.phys.sussex.ac.uk/__system__/tap/run/tap")

Having connected to the service, we now need to write our query, send it to VOX and get our results back.

To write the query, we:

  • use the SELECT operational statement and ask for the TOP 10000 results (VOX has a default maximum return of 2000 rows, so we explicitly specify 10000 to override this).
  • Tell the VO to get the results FROM herschelhelp.main, i.e. the main HELP masterlist. You can find the other tables you could use here.
  • Specify that only objects within our search radius from our chosen point are returned. We do this using the WHERE condition and CONTAINS(POINT('ICRS', ra, dec),CIRCLE('ICRS',"+str(RA)+", "+str(Dec)+","+str(radius)+" ))") The CONTAINS() return either 0 if False and 1 if True.
In [5]:
resultset = service.search("SELECT TOP 10000 * FROM herschelhelp.main WHERE 1=CONTAINS(POINT('ICRS', ra, dec),CIRCLE('ICRS',"+str(RA)+", "+str(Dec)+","+str(radius)+" ))")

The above command can take a couple of seconds to run (depending on how complicated or large the query). We can then foramt the results into a table.

In [6]:
masterlist=resultset.to_table()
In [7]:
masterlist
Out[7]:
Table length=748
fieldhelp_idradechp_idxebvredshiftzspeczspec_qualzspec_association_flagstellaritystellarity_originf_90prime_gferr_90prime_gf_ap_90prime_gferr_ap_90prime_gm_90prime_gmerr_90prime_gm_ap_90prime_gmerr_ap_90prime_gflag_90prime_gf_90prime_rferr_90prime_rf_ap_90prime_rferr_ap_90prime_rm_90prime_rmerr_90prime_rm_ap_90prime_rmerr_ap_90prime_rflag_90prime_rf_90prime_zferr_90prime_zf_ap_90prime_zferr_ap_90prime_zm_90prime_zmerr_90prime_zm_ap_90prime_zmerr_ap_90prime_zflag_90prime_zf_acs_f435wferr_acs_f435wf_ap_acs_f435wferr_ap_acs_f435wm_acs_f435wmerr_acs_f435wm_ap_acs_f435wmerr_ap_acs_f435wflag_acs_f435wf_acs_f606wferr_acs_f606wf_ap_acs_f606wferr_ap_acs_f606wm_acs_f606wmerr_acs_f606wm_ap_acs_f606wmerr_ap_acs_f606wflag_acs_f606wf_acs_f775wferr_acs_f775wf_ap_acs_f775wferr_ap_acs_f775wm_acs_f775wmerr_acs_f775wm_ap_acs_f775wmerr_ap_acs_f775wflag_acs_f775wf_acs_f814wferr_acs_f814wf_ap_acs_f814wferr_ap_acs_f814wm_acs_f814wmerr_acs_f814wm_ap_acs_f814wmerr_ap_acs_f814wflag_acs_f814wf_acs_f850lpferr_acs_f850lpf_ap_acs_f850lpferr_ap_acs_f850lpm_acs_f850lpmerr_acs_f850lpm_ap_acs_f850lpmerr_ap_acs_f850lpflag_acs_f850lpf_bessell_bferr_bessell_bf_ap_bessell_bferr_ap_bessell_bm_bessell_bmerr_bessell_bm_ap_bessell_bmerr_ap_bessell_bflag_bessell_bf_bessell_iferr_bessell_if_ap_bessell_iferr_ap_bessell_im_bessell_imerr_bessell_im_ap_bessell_imerr_ap_bessell_iflag_bessell_if_bessell_rferr_bessell_rf_ap_bessell_rferr_ap_bessell_rm_bessell_rmerr_bessell_rm_ap_bessell_rmerr_ap_bessell_rflag_bessell_rf_bessell_uferr_bessell_uf_ap_bessell_uferr_ap_bessell_um_bessell_umerr_bessell_um_ap_bessell_umerr_ap_bessell_uflag_bessell_uf_bessell_vferr_bessell_vf_ap_bessell_vferr_ap_bessell_vm_bessell_vmerr_bessell_vm_ap_bessell_vmerr_ap_bessell_vflag_bessell_vf_cfht12k_bferr_cfht12k_bf_ap_cfht12k_bferr_ap_cfht12k_bm_cfht12k_bmerr_cfht12k_bm_ap_cfht12k_bmerr_ap_cfht12k_bflag_cfht12k_bf_cfht12k_iferr_cfht12k_if_ap_cfht12k_iferr_ap_cfht12k_im_cfht12k_imerr_cfht12k_im_ap_cfht12k_imerr_ap_cfht12k_iflag_cfht12k_if_cfht12k_rferr_cfht12k_rf_ap_cfht12k_rferr_ap_cfht12k_rm_cfht12k_rmerr_cfht12k_rm_ap_cfht12k_rmerr_ap_cfht12k_rflag_cfht12k_rf_decam_gferr_decam_gf_ap_decam_gferr_ap_decam_gm_decam_gmerr_decam_gm_ap_decam_gmerr_ap_decam_gflag_decam_gf_decam_iferr_decam_if_ap_decam_iferr_ap_decam_im_decam_imerr_decam_im_ap_decam_imerr_ap_decam_iflag_decam_if_decam_rferr_decam_rf_ap_decam_rferr_ap_decam_rm_decam_rmerr_decam_rm_ap_decam_rmerr_ap_decam_rflag_decam_rf_decam_yferr_decam_yf_ap_decam_yferr_ap_decam_ym_decam_ymerr_decam_ym_ap_decam_ymerr_ap_decam_yflag_decam_yf_decam_zferr_decam_zf_ap_decam_zferr_ap_decam_zm_decam_zmerr_decam_zm_ap_decam_zmerr_ap_decam_zflag_decam_zf_galex_fuvferr_galex_fuvf_ap_galex_fuvferr_ap_galex_fuvm_galex_fuvmerr_galex_fuvm_ap_galex_fuvmerr_ap_galex_fuvflag_galex_fuvf_galex_nuvferr_galex_nuvf_ap_galex_nuvferr_ap_galex_nuvm_galex_nuvmerr_galex_nuvm_ap_galex_nuvmerr_ap_galex_nuvflag_galex_nuvf_gpc1_gferr_gpc1_gf_ap_gpc1_gferr_ap_gpc1_gm_gpc1_gmerr_gpc1_gm_ap_gpc1_gmerr_ap_gpc1_gflag_gpc1_gf_gpc1_iferr_gpc1_if_ap_gpc1_iferr_ap_gpc1_im_gpc1_imerr_gpc1_im_ap_gpc1_imerr_ap_gpc1_iflag_gpc1_if_gpc1_rferr_gpc1_rf_ap_gpc1_rferr_ap_gpc1_rm_gpc1_rmerr_gpc1_rm_ap_gpc1_rmerr_ap_gpc1_rflag_gpc1_rf_gpc1_yferr_gpc1_yf_ap_gpc1_yferr_ap_gpc1_ym_gpc1_ymerr_gpc1_ym_ap_gpc1_ymerr_ap_gpc1_yflag_gpc1_yf_gpc1_zferr_gpc1_zf_ap_gpc1_zferr_ap_gpc1_zm_gpc1_zmerr_gpc1_zm_ap_gpc1_zmerr_ap_gpc1_zflag_gpc1_zf_hawki_kferr_hawki_kf_ap_hawki_kferr_ap_hawki_km_hawki_kmerr_hawki_km_ap_hawki_kmerr_ap_hawki_kflag_hawki_kf_irac_i1ferr_irac_i1f_ap_irac_i1ferr_ap_irac_i1m_irac_i1merr_irac_i1m_ap_irac_i1merr_ap_irac_i1flag_irac_i1f_irac_i2ferr_irac_i2f_ap_irac_i2ferr_ap_irac_i2m_irac_i2merr_irac_i2m_ap_irac_i2merr_ap_irac_i2flag_irac_i2f_irac_i3ferr_irac_i3f_ap_irac_i3ferr_ap_irac_i3m_irac_i3merr_irac_i3m_ap_irac_i3merr_ap_irac_i3flag_irac_i3f_irac_i4ferr_irac_i4f_ap_irac_i4ferr_ap_irac_i4m_irac_i4merr_irac_i4m_ap_irac_i4merr_ap_irac_i4flag_irac_i4f_isaac_kferr_isaac_kf_ap_isaac_kferr_ap_isaac_km_isaac_kmerr_isaac_km_ap_isaac_kmerr_ap_isaac_kflag_isaac_kf_megacam_gferr_megacam_gf_ap_megacam_gferr_ap_megacam_gm_megacam_gmerr_megacam_gm_ap_megacam_gmerr_ap_megacam_gflag_megacam_gf_megacam_iferr_megacam_if_ap_megacam_iferr_ap_megacam_im_megacam_imerr_megacam_im_ap_megacam_imerr_ap_megacam_iflag_megacam_if_megacam_rferr_megacam_rf_ap_megacam_rferr_ap_megacam_rm_megacam_rmerr_megacam_rm_ap_megacam_rmerr_ap_megacam_rflag_megacam_rf_megacam_uferr_megacam_uf_ap_megacam_uferr_ap_megacam_um_megacam_umerr_megacam_um_ap_megacam_umerr_ap_megacam_uflag_megacam_uf_megacam_yferr_megacam_yf_ap_megacam_yferr_ap_megacam_ym_megacam_ymerr_megacam_ym_ap_megacam_ymerr_ap_megacam_yflag_megacam_yf_megacam_zferr_megacam_zf_ap_megacam_zferr_ap_megacam_zm_megacam_zmerr_megacam_zm_ap_megacam_zmerr_ap_megacam_zflag_megacam_zf_mips_24ferr_mips_24flag_mips_24f_mmt_gferr_mmt_gf_ap_mmt_gferr_ap_mmt_gm_mmt_gmerr_mmt_gm_ap_mmt_gmerr_ap_mmt_gflag_mmt_gf_mmt_iferr_mmt_if_ap_mmt_iferr_ap_mmt_im_mmt_imerr_mmt_im_ap_mmt_imerr_ap_mmt_iflag_mmt_if_mmt_rferr_mmt_rf_ap_mmt_rferr_ap_mmt_rm_mmt_rmerr_mmt_rm_ap_mmt_rmerr_ap_mmt_rflag_mmt_rf_mmt_uferr_mmt_uf_ap_mmt_uferr_ap_mmt_um_mmt_umerr_mmt_um_ap_mmt_umerr_ap_mmt_uflag_mmt_uf_mmt_zferr_mmt_zf_ap_mmt_zferr_ap_mmt_zm_mmt_zmerr_mmt_zm_ap_mmt_zmerr_ap_mmt_zflag_mmt_zf_moircs_kferr_moircs_kf_ap_moircs_kferr_ap_moircs_km_moircs_kmerr_moircs_km_ap_moircs_kmerr_ap_moircs_kflag_moircs_kf_moircs_ksferr_moircs_ksf_ap_moircs_ksferr_ap_moircs_ksm_moircs_ksmerr_moircs_ksm_ap_moircs_ksmerr_ap_moircs_ksflag_moircs_ksf_mosaic_bferr_mosaic_bf_ap_mosaic_bferr_ap_mosaic_bm_mosaic_bmerr_mosaic_bm_ap_mosaic_bmerr_ap_mosaic_bflag_mosaic_bf_mosaic_iferr_mosaic_if_ap_mosaic_iferr_ap_mosaic_im_mosaic_imerr_mosaic_im_ap_mosaic_imerr_ap_mosaic_iflag_mosaic_if_mosaic_rferr_mosaic_rf_ap_mosaic_rferr_ap_mosaic_rm_mosaic_rmerr_mosaic_rm_ap_mosaic_rmerr_ap_mosaic_rflag_mosaic_rf_mosaic_uferr_mosaic_uf_ap_mosaic_uferr_ap_mosaic_um_mosaic_umerr_mosaic_um_ap_mosaic_umerr_ap_mosaic_uflag_mosaic_uf_mosaic_zferr_mosaic_zf_ap_mosaic_zferr_ap_mosaic_zm_mosaic_zmerr_mosaic_zm_ap_mosaic_zmerr_ap_mosaic_zflag_mosaic_zf_newfirm_hferr_newfirm_hf_ap_newfirm_hferr_ap_newfirm_hm_newfirm_hmerr_newfirm_hm_ap_newfirm_hmerr_ap_newfirm_hflag_newfirm_hf_newfirm_h1ferr_newfirm_h1f_ap_newfirm_h1ferr_ap_newfirm_h1m_newfirm_h1merr_newfirm_h1m_ap_newfirm_h1merr_ap_newfirm_h1flag_newfirm_h1f_newfirm_h2ferr_newfirm_h2f_ap_newfirm_h2ferr_ap_newfirm_h2m_newfirm_h2merr_newfirm_h2m_ap_newfirm_h2merr_ap_newfirm_h2flag_newfirm_h2f_newfirm_jferr_newfirm_jf_ap_newfirm_jferr_ap_newfirm_jm_newfirm_jmerr_newfirm_jm_ap_newfirm_jmerr_ap_newfirm_jflag_newfirm_jf_newfirm_j1ferr_newfirm_j1f_ap_newfirm_j1ferr_ap_newfirm_j1m_newfirm_j1merr_newfirm_j1m_ap_newfirm_j1merr_ap_newfirm_j1flag_newfirm_j1f_newfirm_j2ferr_newfirm_j2f_ap_newfirm_j2ferr_ap_newfirm_j2m_newfirm_j2merr_newfirm_j2m_ap_newfirm_j2merr_ap_newfirm_j2flag_newfirm_j2f_newfirm_j3ferr_newfirm_j3f_ap_newfirm_j3ferr_ap_newfirm_j3m_newfirm_j3merr_newfirm_j3m_ap_newfirm_j3merr_ap_newfirm_j3flag_newfirm_j3f_newfirm_kferr_newfirm_kf_ap_newfirm_kferr_ap_newfirm_km_newfirm_kmerr_newfirm_km_ap_newfirm_kmerr_ap_newfirm_kflag_newfirm_kf_nicmos_f110wferr_nicmos_f110wf_ap_nicmos_f110wferr_ap_nicmos_f110wm_nicmos_f110wmerr_nicmos_f110wm_ap_nicmos_f110wmerr_ap_nicmos_f110wflag_nicmos_f110wf_nicmos_f160wferr_nicmos_f160wf_ap_nicmos_f160wferr_ap_nicmos_f160wm_nicmos_f160wmerr_nicmos_f160wm_ap_nicmos_f160wmerr_ap_nicmos_f160wflag_nicmos_f160wf_omega2000_jferr_omega2000_jf_ap_omega2000_jferr_ap_omega2000_jm_omega2000_jmerr_omega2000_jm_ap_omega2000_jmerr_ap_omega2000_jflag_omega2000_jf_omega2000_ksferr_omega2000_ksf_ap_omega2000_ksferr_ap_omega2000_ksm_omega2000_ksmerr_omega2000_ksm_ap_omega2000_ksmerr_ap_omega2000_ksflag_omega2000_ksf_omegacam_gferr_omegacam_gf_ap_omegacam_gferr_ap_omegacam_gm_omegacam_gmerr_omegacam_gm_ap_omegacam_gmerr_ap_omegacam_gflag_omegacam_gf_omegacam_iferr_omegacam_if_ap_omegacam_iferr_ap_omegacam_im_omegacam_imerr_omegacam_im_ap_omegacam_imerr_ap_omegacam_iflag_omegacam_if_omegacam_rferr_omegacam_rf_ap_omegacam_rferr_ap_omegacam_rm_omegacam_rmerr_omegacam_rm_ap_omegacam_rmerr_ap_omegacam_rflag_omegacam_rf_omegacam_uferr_omegacam_uf_ap_omegacam_uferr_ap_omegacam_um_omegacam_umerr_omegacam_um_ap_omegacam_umerr_ap_omegacam_uflag_omegacam_uf_omegacam_zferr_omegacam_zf_ap_omegacam_zferr_ap_omegacam_zm_omegacam_zmerr_omegacam_zm_ap_omegacam_zmerr_ap_omegacam_zflag_omegacam_zf_pacs_greenferr_pacs_greenflag_pacs_greenf_pacs_redferr_pacs_redflag_pacs_redf_quirc_hkferr_quirc_hkf_ap_quirc_hkferr_ap_quirc_hkm_quirc_hkmerr_quirc_hkm_ap_quirc_hkmerr_ap_quirc_hkflag_quirc_hkf_sdss_gferr_sdss_gf_ap_sdss_gferr_ap_sdss_gm_sdss_gmerr_sdss_gm_ap_sdss_gmerr_ap_sdss_gflag_sdss_gf_sdss_iferr_sdss_if_ap_sdss_iferr_ap_sdss_im_sdss_imerr_sdss_im_ap_sdss_imerr_ap_sdss_iflag_sdss_if_sdss_rferr_sdss_rf_ap_sdss_rferr_ap_sdss_rm_sdss_rmerr_sdss_rm_ap_sdss_rmerr_ap_sdss_rflag_sdss_rf_sdss_uferr_sdss_uf_ap_sdss_uferr_ap_sdss_um_sdss_umerr_sdss_um_ap_sdss_umerr_ap_sdss_uflag_sdss_uf_sdss_zferr_sdss_zf_ap_sdss_zferr_ap_sdss_zm_sdss_zmerr_sdss_zm_ap_sdss_zmerr_ap_sdss_zflag_sdss_zf_spire_250ferr_spire_250flag_spire_250f_spire_350ferr_spire_350flag_spire_350f_spire_500ferr_spire_500flag_spire_500f_suprime_bferr_suprime_bf_ap_suprime_bferr_ap_suprime_bm_suprime_bmerr_suprime_bm_ap_suprime_bmerr_ap_suprime_bflag_suprime_bf_suprime_gferr_suprime_gf_ap_suprime_gferr_ap_suprime_gm_suprime_gmerr_suprime_gm_ap_suprime_gmerr_ap_suprime_gflag_suprime_gf_suprime_iferr_suprime_if_ap_suprime_iferr_ap_suprime_im_suprime_imerr_suprime_im_ap_suprime_imerr_ap_suprime_iflag_suprime_if_suprime_ia484ferr_suprime_ia484f_ap_suprime_ia484ferr_ap_suprime_ia484m_suprime_ia484merr_suprime_ia484m_ap_suprime_ia484merr_ap_suprime_ia484flag_suprime_ia484f_suprime_ia527ferr_suprime_ia527f_ap_suprime_ia527ferr_ap_suprime_ia527m_suprime_ia527merr_suprime_ia527m_ap_suprime_ia527merr_ap_suprime_ia527flag_suprime_ia527f_suprime_ia624ferr_suprime_ia624f_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Lockman SWIREHELP_J104635.978+591143.462161.64990844349859.1954060394688995800670.00668978317698605-----99False0.525363981723785sparcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False------------------0.3335730731487270.007936481386423110.089881050.005528184625.09202194213870.025832198560237926.515830.06677882False----------------False0.7779071927070620.008720347657799720.301217650.006107528724.1726799011230.012171113863587425.2027990.022014529False0.08566570.011542845----26.5679820.14629523----False----------------False3.482259035110470.05209549888968471.16902530.03561735522.54534721374510.016242895275354423.730440.03307974False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104631.224+591152.487161.63009821670259.1979130228532995800720.006547933089610960.5674---99False0.87servs_stellarity_ira----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------6.742056264063940.3652560505687067.219330834455480.33015360695478421.82801906877280.058820588641953421.75375763916860.0496527631745985False3.583105165716860.5970462148170374.098408354921190.54812844956148422.51435111228060.18091422421618122.36846192947010.145208298200019False----------------False----------------False------------------1.705905795097350.01463425066322091.2699830.007016489723.32011222839360.0093140751123428323.6405050.00599855False3.66370080.047437217----22.49020.014058----False3.686151027679440.01632780954241752.08154150.0084705822.48356628417970.0048092696815729123.1040360.004418271False1.17743830.0224282391.03249140.01214888123.7226540.02068146923.8652840.0127753895False----------------False5.155539035797120.09101855754852294.0260260.03766900722.11931419372560.019168149679899222.3878080.010158556False8.0230539.779017True----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------3.802435874938960.4273425340652473.659383296966550.36880403757095322.44984436035160.12202211469411822.49147987365720.109423875808716--3.41221740.454185254.39222860.536514722.5674080.1445175722.2932870.13262366------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False2.33991580.295254442.3922160.251177622.9770.13722.9530.114False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse77
Lockman SWIREHELP_J104630.626+591152.138161.62761006624459.1978160892855995800720.00653435075388294-----99False0.40082123875618sparcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False----------------------------------False----------------False0.1061058193445210.004500938113778830.160237390.00588845426.33565139770510.046056207269430225.888090.039898977False----------------False----------------False0.1994067430496220.02605747058987620.193592950.03448509825.65065002441410.14187856018543225.6827750.19340435False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104629.944+591151.286161.62476488263659.1975794186438995773410.00652022856134222-----99False0.353524833917618sparcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False----------------------------------False----------------False0.3927853703498840.00588639965280890.305999430.005782224224.91461181640620.016271168366074625.1856980.02051628False----------------False----------------False0.9967083334922790.03386255726218220.7197640.03283183623.90357971191410.036887228488922124.2570250.04952556False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104629.518+591151.902161.62299022911159.197750462134995773430.00650814542978448-----99False0.575287520885468sparcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False------------------0.2723891139030460.01243494357913730.086080460.005655242625.31202507019040.049565374851226826.5627380.071329795False----------------False1.501077294349670.01367870718240740.341912930.006155078323.45899200439450.0098938727751374225.065210.019545302False0.0205319580.018074319----28.1189230.9557755----False----------------False6.517760276794430.08032998442649840.98582140.03523067821.86475372314450.01338146440684823.9155040.03880137False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104630.173+591151.559161.62571994590359.1976553144346995800720.00652499113046838-----99False0.366399258375168sparcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False----------------------------------False----------------False0.1882917433977130.004540225025266410.279369770.006051991625.71292114257810.026180045679211625.2845520.02352032False----------------False----------------False0.3133927881717680.02703854069113730.396334650.03513449425.15977668762210.093673892319202424.9048440.09624894False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104629.742+591148.859161.62392641743259.1969053931639995773410.00652240152681751-----99False0.362470060586929sparcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False------------------0.03227776661515240.003508362686261530.0497760620.00544822727.62774085998540.11801176518201827.1574480.118838996False----------------False0.08250423520803450.003781709121540190.134773450.005796011526.60880851745610.049766395241022126.0759890.046692725False0.0220371950.0051654857----28.0421090.25449497----False----------------False0.5976151227951050.02284216880798341.06464180.03557450724.45894622802730.041499234735965723.8319910.036279365False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104629.208+591150.660161.62170126026859.1974056626213995773430.00650431616308627-----99False0.413240402936935sparcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False------------------0.05444387719035150.004036631435155870.104431670.00553285727.06012725830080.080499723553657526.3529190.057523005False----------------False0.1302013248205180.00442617898806930.219989520.005960020226.11346054077150.036909472197294225.5439950.029415082False0.032470390.00600228370.078719770.00822795327.621280.2007027426.659790.11348338False----------------False0.2060155421495440.02564200758934020.467407170.0347850225.61524963378910.13513764739036624.7257610.08080184False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104628.970+591150.623161.62070706002559.1973952157498995773430.006498695525481552.0472---99False0.449999988079071rcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False------------------0.2919386029243470.005993533413857220.294334770.00577501425.23677062988280.022290291264653225.2278960.021302754False0.594455540.039164536----24.46470.0715316----False0.4733301997184750.006557680666446690.477270250.00632435924.71208953857420.015042165294289624.7030890.014387206False0.17654590.0090346540.162211640.00861807625.7828560.0555620425.8747940.05768363False----------------False0.5619197487831120.03717320412397380.70252080.03486849424.52581405639650.071825727820396424.2833520.05388878False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Lockman SWIREHELP_J104623.033+590859.354161.59596973626559.1498205225632995773040.006845194892044-----99False0.35servs_stellarity_ira----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False0.2792840657618480.167033309325135-0.2548918894293770.38422675804224625.2848846044380.649353592157698---1.63665035783296False----------------False----------------False----------------------------------False----------------False----------------False----------------False----------------False----------------False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse70
Lockman SWIREHELP_J104621.497+590909.173161.58957031394359.1525481691748995773040.0068044389604719-----99False0.482799291610718sparcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False------------------0.09750653058290480.004372078925371170.133525180.00555480826.42741584777830.048683140426874226.0860920.04516793False----------------False0.1227427795529370.004879938438534740.164209320.006102612226.17750930786130.043166089802980425.8615060.040349882False0.066047610.00762106660.083942730.009608909526.8503570.1252803526.5900420.12428402False----------------False0.06728179007768630.0281798299401999----26.83025550842290.454742074012756----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104624.428+590857.089161.60178136002459.1491915157497995772980.006864429170862612.3678---99False0.360000014305115rcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False------------------0.3075569570064540.006877145729959010.314953660.005838623325.18018531799320.024277668446302425.1543830.02012742False0.341758670.03774455----25.06570.119911----False0.6580728888511660.007685451302677390.62226360.00671538724.35431480407710.012680012732744224.4150640.011717123False0.158023570.0103116630.160889160.00869994325.9031940.07084858425.8836820.058710255False----------------False0.883724153041840.04275493696331980.874545630.0350528824.03420829772950.052528362721204824.0455440.043517664False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104623.887+590858.399161.59952999870359.1495553208533995772980.006855912810687980.465---99False0.98servs_stellarity_ira------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------5.852751391668871.351877381782876.634368977140961.4957782278307121.98159980773930.25078499317169221.84550094604490.244789004325867False13.47597639857290.98312887435693914.96788265995041.0605101739132221.0760993957520.079208999872207620.96209907531740.0769269987940788False7.366818469566620.5903775279948788.383781312740270.59036621679437121.73180007934570.087011002004146621.59140014648440.0764549970626831False26.0375415256756.8477627747486123.14832937804016.4757512132768420.36100006103520.28554400801658620.48870086669920.303734987974167False18.84864571451651.2535137622438620.77017642660271.6914016192651820.7117996215820.072205998003482820.60639953613280.0884160026907921False------------------52.88223339686440.68685807900399653.02486940566570.42040836293254419.59172552849910.014102027013660119.58880098107230.00860827354287056False42.74326471205760.59477238761247745.64749365350390.44770721984094819.82283077420130.015108015711283219.75145765771930.0106488198761294False43.823.9941.183.4219.79581906693830.098860964331011819.8632841442950.090170418170782False38.183.3359.544.0119.94541018985590.094696216915782419.46297792422320.0731239869177041False------------------2.378131866455080.009847017005085952.2388190.00829691722.95940971374510.004495656117796923.0249520.0040236674False----------------False8.914638519287110.01410187594592577.8456250.013598883521.52474021911620.0017175029497593621.6634310.0018819151False0.58608490.0133887770.54845680.01029413924.4800990.02480302824.5521430.020378487False----------------False21.93703651428220.062711186707019819.8760830.0515607720.54705429077150.0031037835869938120.6541730.0028165204False389.5299412.731781False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------4769.31454637.0True19500.4088448.768True------------------------------------------------------------------------------------------------------------3700.78341988.1658True825.866941187.2461True1198.15931754.9486True------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------36.34086227416990.63472145795822134.87129211425780.5747985243797319.99901199340820.018963228911161420.04382896423340.0178966578096151--64.296240.878683167.0619350.910105919.3795360.01483785119.3338090.014734661------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False7.37224051.69073097.9432841.565631521.7310.24921.650.214False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse77
Lockman SWIREHELP_J104624.043+590854.298161.60017728777859.148416174642995772980.006867387873307175.6588---99False0.993865013122559dxs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------5.936196148478330.5936487475868436.386702979231550.38023751825238221.96622939297720.10857894888287621.8868082018080.0646401815328609False2.935730199310140.3583095859928013.852160593370150.43151235882711722.73070964908240.13251547779005622.43573903948620.121622289471919False----------------False----------------False------------------0.04636712744832040.00360371568240225----27.23447418212890.0843848809599876----False----------------False0.1222656890749930.003955772612243890.178524390.00590497826.18173789978030.035127807408571225.7707560.035912454False0.0029850770.005396743----30.212611.9629105----False----------------False2.921537637710570.03266576677560814.344010.0464703822.73597145080570.012139637023210522.3052730.011614746False15.74329611.577017True----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------11.0381250381470.802100062370310.87057399749760.42562699317932121.2927608489990.078896462917327921.30936813354490.0425109714269638--8.9811011.37204789.4084350.5752284521.5166760.1658685221.4662060.06638154------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse77
Lockman SWIREHELP_J104623.166+590855.019161.5965245283959.1486164330944995773040.00685734591586921-----99False0.540187060832977sparcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False------------------0.1031872630119320.005281404592096810.116887120.00553634526.36593437194820.055570933967828826.2305830.05142577False----------------False0.2091704607009890.00578132737427950.233037040.006003269525.59874916076660.030008999630808825.4814380.02796966False0.0400563740.00786676350.0317200720.00810033327.393320.2132302227.6466640.27726367False----------------False0.2912476956844330.03346112743020060.316401060.0345956825.23934364318850.12473903596401225.1494050.118715726False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104625.801+590845.379161.60750435235259.1459385032006995772990.00690471435494121.4662---99False0.86servs_stellarity_ira----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------3.904432109437440.4419901244389794.565046813601830.4131068005787322.42110531078730.1229076769164522.25138691126910.0982520066352259False2.994896404769050.3329675542291544.126653007317530.45087610324303922.70904548879210.12071032843095522.36100511890340.118627010384245False----------------False----------------False------------------0.1928506493568420.005785978864878420.196970720.005653204425.68694686889650.032574672251939825.6639960.031161427False----------------False0.2031237632036210.006120888050645590.224588750.005913191525.63059806823730.032717343419790325.521530.02858632False0.275807830.009208130.284631040.00915905425.2984830.03624842725.2642940.034937568False----------------False0.535799682140350.03698265552520750.59232310.03544772824.57749366760250.074941076338291224.4686030.064976156False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse75
Lockman SWIREHELP_J104624.898+590845.343161.60374103626559.1459287225632995772980.0068965001422885-----99False0.4servs_stellarity_ira----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------0.4099871169996930.4473890452505380.4992241223611320.37873715203524524.86807447468751.1847847502999624.6542610945960.823695449864874False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False----------------False----------------False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse70
Lockman SWIREHELP_J104625.492+590842.998161.60621493234759.1452771744105995772970.00690720514550813-----99False0.516168177127838sparcs_stellarity----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False------------------0.09251005202531810.00504676299169660.112819680.0055340126.48452758789060.059230901300907126.2690370.05325733False----------------False0.117497667670250.005351019557565450.148115630.00579379426.2249259948730.049446050077676825.9734970.04247041False0.133272530.0078424010.141461150.00862288226.0881480.0638899826.0234070.06618196False----------------False0.4514688551425930.03221722319722180.44231090.03478544624.76342964172360.077479109168052724.785680.08538749False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse71
Lockman SWIREHELP_J104626.441+590840.362161.61016923626459.1445450225632995772970.0069214538809967-----99False0.36servs_stellarity_ira----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------0.5522733218260070.4062704384568090.7346589833047090.43265373564034524.5446148383630.79870329875265224.23478551636050.639409352616248False----------------False----------------False----------------False----------------------------------False----------------False----------------False----------------False----------------False----------------False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----False----------------------------------------------------------------------------------------------------------------False----False----False----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------False----------------False----------------False----------------False----------------False------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0FalseFalse70

As you can see, the masterlist has returned all the sources we are interested in. Lets do a simple plot to check

In [8]:
plt.plot(masterlist['ra'],masterlist['dec'], 'o',label='search results')
plt.plot(RA,Dec,'ro',label='search position')
plt.xlabel('Right Ascension')
plt.ylabel('Declination')
plt.legend()
Out[8]:
<matplotlib.legend.Legend at 0x7f3eb2fd9b50>

Example 2: Get SPIRE cutouts for position

Having searched the HELP database to get sources, it would be useful to see what the SPIRE maps look like for this position. We can do that using the simple image access protocol (SIAP). SIAP is simple for maps that overlaps (or contains, or are contained by) a region of interest defined by a position and a radius. The cutout service has additional parameters as the cutoutSize that allows the server to return a link to a cropped version of the map.

We need the endpoint of the SIAP service of the cutout resource that can be found on https://herschel-vos.phys.sussex.ac.uk/herschel_maps/q/cutout/info

In [11]:
cutout_service = vo.dal.SIAService(f"https://herschel-vos.phys.sussex.ac.uk/herschel_maps/q/cutout/siap.xml")

We can ask for the service parameters that are additional to the standard SIAP parameters:

In [12]:
cutout_service.params
Out[12]:
[<PARAM ID="INPUT_POS" arraysize="*" datatype="char" name="INPUT:POS" ucd="pos.eq" unit="deg" value=""/>,
 <PARAM ID="INPUT_SIZE" arraysize="*" datatype="char" name="INPUT:SIZE" unit="deg" value=""/>,
 <PARAM ID="INPUT_INTERSECT" arraysize="*" datatype="char" name="INPUT:INTERSECT" value="OVERLAPS"/>,
 <PARAM ID="INPUT_FORMAT" arraysize="*" datatype="char" name="INPUT:FORMAT" value="GRAPHIC"/>,
 <PARAM ID="INPUT_bandpassId" arraysize="*" datatype="char" name="INPUT:bandpassId" ucd="VOX:BandPass_ID" value=""/>,
 <PARAM ID="INPUT_type" arraysize="*" datatype="char" name="INPUT:type" ucd="meta.code" value=""/>,
 <PARAM ID="INPUT_cutoutSize" datatype="float" name="INPUT:cutoutSize" unit="deg" value="0.1"/>,
 <PARAM ID="INPUT_RESPONSEFORMAT" arraysize="*" datatype="char" name="INPUT:RESPONSEFORMAT" ucd="meta.code.mime" value=""/>,
 <PARAM ID="INPUT_MAXREC" datatype="int" name="INPUT:MAXREC" value="0"/>,
 <PARAM ID="INPUT_VERB" datatype="int" name="INPUT:VERB" value="0"/>]

As we can see, there is cutoutSize that is used the give the size of the cutout we want but there are also parameters added by HELP:

  • type which defines that kind of image: image, error, or exposure
  • bandpassId that identifies the SPIRE band: SPIRE250, SPIRE350, or SPIRE500.

Note that there are two size parameters: size is the radius defining the region of interest around the position that is used to look for maps. It's a standard SIAP parameter and is given with its associated unit; cutoutSize is the width of the cutout around the position the user want in the maps overlapping the region of interest; it may be different than the size (and should be double the radius if you want the cutout corresponding to the searched region) and must be given in degrees without units.

Let's look for the SPIRE250 image and error maps.

In [15]:
pos = SkyCoord(RA * u.deg, Dec * u.deg)
In [16]:
images = cutout_service.search(
    pos=pos, 
    size=radius, 
    cutoutSize=2*radius,
    bandpassId='SPIRE250',
    type=['image', 'error']
)

the result is a pyvo.dal.sia.SIAResults that can be converted to a table.

In [17]:
images = images.to_table()
images
Out[17]:
Table length=4
accrefmimeaccsizecenterAlphacenterDeltaimageTitleinstIddateObsnAxespixelSizepixelScalerefFramewcs_equinoxwcs_projectionwcs_refPixelwcs_refValueswcs_cdmatrixbandpassIdbandpassUnitbandpassRefvalbandpassHibandpassLopixflagscoveragefieldtype
bytedegdegdpixdeg / pixyrpixdegdeg / pixmmmdeg
objectobjectint32float64float64objectobjectfloat64int32objectobjectobjectfloat32str3objectobjectobjectobjectobjectfloat64float64float64objectobjectobjectobject
https://herschel-vos.phys.sussex.ac.uk/getproduct/herschel_maps/data/Lockman-NEST_error_250_SMAP_v6.0.fits?sdec=0.056&dec=59.17&ra=161.63&sra=0.109269882158image/fits2259161.6359.17Lockman-SWIRE SPIRE250 (error)SPIRE--2[3757 3502][0.00166667 0.00166667]ICRS2000.0TAN[16.693389221607504 -16.911389575368048][161.63 59.17][-0.00166667 0.0 0.0 0.00166667]SPIRE250m------[166.6955173810341 55.01985901923391 167.6573019612306 60.81886471892404 154.82768339076915 60.81886471892404 155.7894679709656 55.01985901923391]Lockman-SWIREerror
https://herschel-vos.phys.sussex.ac.uk/getproduct/herschel_maps/data/Lockman-NEST_image_250_SMAP_v6.0.fits?sdec=0.056&dec=59.17&ra=161.63&sra=0.109269882158image/fits2259161.6359.17Lockman-SWIRE SPIRE250 (image)SPIRE--2[3757 3502][0.00166667 0.00166667]ICRS2000.0TAN[16.693389221607504 -16.911389575368048][161.63 59.17][-0.00166667 0.0 0.0 0.00166667]SPIRE250m------[166.6955173810341 55.01985901923391 167.6573019612306 60.81886471892404 154.82768339076915 60.81886471892404 155.7894679709656 55.01985901923391]Lockman-SWIREimage
https://herschel-vos.phys.sussex.ac.uk/getproduct/herschel_maps/data/Lockman_error_250_SMAP_v6.0.fits?sdec=0.056&dec=59.17&ra=161.63&sra=0.109269882158image/fits2259161.6359.17Lockman-SWIRE (shallow) SPIRE250 (error)SPIRE--2[3757 3502][0.00166667 0.00166667]ICRS2000.0TAN[16.693389221607504 -16.911389575368048][161.63 59.17][-0.00166667 0.0 0.0 0.00166667]SPIRE250m------[166.6955173810341 55.01985901923391 167.6573019612306 60.81886471892404 154.82768339076915 60.81886471892404 155.7894679709656 55.01985901923391]Lockman-SWIREerror
https://herschel-vos.phys.sussex.ac.uk/getproduct/herschel_maps/data/Lockman_image_250_SMAP_v6.0.fits?sdec=0.056&dec=59.17&ra=161.63&sra=0.109269882158image/fits2259161.6359.17Lockman-SWIRE (shallow) SPIRE250 (image)SPIRE--2[3757 3502][0.00166667 0.00166667]ICRS2000.0TAN[16.693389221607504 -16.911389575368048][161.63 59.17][-0.00166667 0.0 0.0 0.00166667]SPIRE250m------[166.6955173810341 55.01985901923391 167.6573019612306 60.81886471892404 154.82768339076915 60.81886471892404 155.7894679709656 55.01985901923391]Lockman-SWIREimage

We can see that the URL to the cutout FITS is in the accref column. We can feed the URL directly to fits.open to get directly the image. We have two files for both image and error in the Lockman Swire field, a shallow and deep (nested) version. We will use the deep version.

In [22]:
spire250_image_map = fits.open(
    images[images['type'] == 'image'][1]['accref'])

Lets plot our map using the astronomy plotting Python module aplpy and plot the sources we found using the VOX server.

In [33]:
sns.set_style("white")
cmap=sns.cubehelix_palette(8, start=.5, rot=-.75,as_cmap=True)
fig=aplpy.FITSFigure(spire250_image_map)
fig.show_colorscale(cmap=cmap)
fig.show_markers(RA,Dec)
fig.show_markers(masterlist['ra'],masterlist['dec'], edgecolor='blue', facecolor='blue')
fig.tick_labels.set_xformat('dd.dd')
fig.tick_labels.set_yformat('dd.dd')
fig.add_colorbar()
fig.colorbar.set_location('top')
INFO: Auto-setting vmin to -1.595e-02 [aplpy.core]
INFO: Auto-setting vmax to  2.570e-02 [aplpy.core]

As you can see here, the resolution of the SPIRE map compared to the number of sources is very low, and leads to the problem of source confusion (not knowing what the sources in the SPIRE map correspond to the sources from masterlist). We developed XID+; a probabilistic deblender to deal with this problem. Other examples demonstrate how to use XID+.

Exploring the dataset

Now that we have got our returned table and image, we can explore some of the columns and properties contained within the table, for example we can look at the distributions of photometric redshifts

In [18]:
sns.displot(x=masterlist['redshift'])
Out[18]:
<seaborn.axisgrid.FacetGrid at 0x7f3eb34ac910>

Look at distributions of SPIRE flux

In [19]:
sns.jointplot(x=masterlist['f_spire_250'],y=masterlist['f_spire_350'])
Out[19]:
<seaborn.axisgrid.JointGrid at 0x7f3ea88aff10>

See how many objects have SED fits with CIGALE. We do this by seeing where cigale_mstar is masked, and inverting. This will give us a boolean array, where objects with fits are now TRUE. We can now sum this array to get how many of the objects have fits

In [20]:
print('there are {} objects out of {} with cigale fits'.format(np.invert(masterlist['cigale_mstar'].mask).sum(),len(masterlist)))
there are 5 objects out of 748 with cigale fits

CIGALE has physical parameters such as starformation rate and stellar mass, lets look at the joint distribution.

In [21]:
g=sns.jointplot(masterlist['cigale_sfr'],masterlist['cigale_mstar'])
g.ax_joint.set_xscale('log')
g.ax_joint.set_yscale('log')
/usr/local/lib/python3.7/dist-packages/seaborn/_decorators.py:43: FutureWarning: Pass the following variables as keyword args: x, y. From version 0.12, the only valid positional argument will be `data`, and passing other arguments without an explicit keyword will result in an error or misinterpretation.
  FutureWarning

This notebook is a brief introduction into using both the TAP and SIAP protocols for accessing catalogue and image data from HELP's VOX. We encourage you to use these notebooks to create more complex queries and exploit the HELP data for science.

Other example notebooks demonstrate some other useful queries and how to use other HELP tools such as XID+

Authors: Peter Hurley

The Herschel Extragalactic Legacy Project, (HELP), is a European Commission Research Executive Agency funded project under the SP1-Cooperation, Collaborative project, Small or medium-scale focused research project, FP7-SPACE-2013-1 scheme, Grant Agreement Number 607254.