VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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Target Name (resolved by Sesame) or Position:
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/711/A16
  X-ray point-like sources of Euclid (Q1) (Euclid Coll.+, 2026)
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2026A&A...711A..16E
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/711/A16/catalogXray-EUCLID released CTP catalogue (12645 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Xray-EUCLID (char) Concatenation of X-ray_ID and EUCLID_ID (unique) (XrayEUCLIDID) (meta.id)
  Xray (char) X-ray source identifier (unique) (Xray_ID) (meta.id;meta.main)
  RAJ2000 deg (i) J2000 Right Ascension of the X-ray source in the parent catalog (Xray_RA) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) J2000 Declination of the X-ray source in the parent catalog (Xray_DEC) (pos.eq.dec;meta.main)
  XrayCat (char) X-ray source catalogue (Xray_CAT) (Note 1)   (meta.id;meta.dataset)
  epos arcsec Positional uncertainty of X-ray source (Xrayposerr) (stat.error;pos)
  FX mW/m2 (n) The mean flux (0.5-2.3keV) of all the detections of the X-ray source (Fx) (phot.flux;em.X-ray)
  e_FX mW/m2 (n) Error on the mean flux (0.5-2.3keV) of all the detections of the (EFx) (stat.error)
  SNX  (n) Signal to noise ratio for FX/e_FX (S_Nx) (stat.snr)
  HR  (n) Hardness ratio considering soft 0.5-2.0keV and hard (4XMM DR14: 2. (HR) (phot.flux;em.X-ray.soft;arith.ratio)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  EDF (char) Euclid deep field (EDF) (obs.field)
  EUCLID  EUCLID source identifier (unique) (EUCLID_ID) (meta.id)
  RAEdeg deg J2000 Right Ascension of the counterpart in Euclid catalog (EUCLID_RA) (pos.eq.ra)
  DEEdeg deg J2000 Declination of the counterpart in Euclid catalog (EUCLID_DEC) (pos.eq.dec)
  Eepos arcsec Positional uncertainty of Euclid source (EUCLIDposerr) (stat.error;pos)
  EPXray  Probability to be an X-ray emitter based on the Random Forest model (EUCLIDPXray) (stat.fit.goodness)
  EPGal  Probability of being a Galactic rather than extragalactic source bas (EUCLIDPGal) (stat.fit.goodness)
  SepEX arcsec Distance between Euclid and X-ray source (SeparationEUCLIDXray) (pos.angDistance)
  logDistbf  Logarithm of ratio between prior and posterior, from separation, positional error, and number density (dist_bayesfactor) (Note 2)   (stat.fit.param)
  pdistpost  Distance posterior probability comparing this association vs. no association (dist_post) (Note 2)   (stat.fit.param)
  biasproba  Probability weighting introduced by the Euclid-based prior. 1 indicates no change) (biasEUCLIDXray_proba) (stat.fit.goodness)
  psingle  Distance posterior probability comparing this association vs. no as weighted by the prior (p_single) (Note 2)   (stat.fit.goodness)
  pany  For each entry in the X-ray catalogue, the probability that there is a counterpart in LS10 for each X-ray entry (p_any) (Note 2)   (stat.fit.goodness)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  pi  Relative probability of the X-ray/Euclid match (p_i) (Note 2)   (stat.fit.goodness)
  MatchFlag   [1/2] 1 for the most probable match, if existing; 2: almost as good solutions (pi/pibest>0.5) (match_flag) (meta.code)
  LS10 (char) Legacy survey DR10 unique identifier of the CPT by concatenation of RELEASE, BRICKID, and OBJID (LS10_FULLID) (meta.id)
  RALdeg deg (n) Legacy survey DR10 J2000 Right Ascension of the CPT (LS10_RA) (pos.eq.ra)
  DELdeg deg (n) Legacy survey DR10 J2000 Declination of the CPT (LS10_DEC) (pos.eq.dec)
  RAsdeg deg (n) J2000 Right Ascension of the spec-z match to the Euclid CTP (ra_spec) (pos.eq.ra)
  DEsdeg deg (n) J2000 Declination of the spec-z match to the Euclid CTP (dec_spec) (pos.eq.dec)
  zsp  (n) Spectroscopic redshift (z_spec) (src.redshift)
  e_zsp  (n) []? Error on the spec-z (z_err) (stat.error)
  Catspec (char) Parent catalog of spec-z match (Cat_spec) (meta.id;meta.dataset)
  zph  (n) PICZL photometric redshift (phz) (Note 3)   (src.redshift.phot)
  e_zph  (n) Photo-z lower 1 sigma error (phz_1sl) (stat.error)
  E_zph  (n) Photo-z upper 1 sigma error (phz_1su) (stat.error;stat.max)
  zphL17  (n) Photometric redshift (see Luo et al. 2017ApJS..228....2L, Cat. J/ApJS/228/2) (phz_Luo17) (src.redshift.phot)
  zfinal  (n) zsp when available, otherwise zphL17 or zph (z_final) (src.redshift;pos.heliocentric)
  LX 10-7W (n) Apparent rest-frame soft (0.5-2keV) Xray luminosity (Lx) (Note 4)   (phys.luminosity;em.X-ray)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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