VizieR Search Page [Back] ⋅ [Forwd] ⋅ [Print] ⋅ [Close]
Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/704/A344
  eRASS1 counterparts and classification (Salvato+, 2025)
ReadMe+ftp
2025A&A...704A.344S
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/704/A344/dr1ge3Identification and characterization of the counterparts to the X-ray point sources in the eROSITA/DR1 main catalogue using the Gaia DR3 survey (959261 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)
  IAUName (char) eROSITA String containing the official IAU name of the source (IAUNAME) (meta.id;meta.main)
  DetUId (char) eROSITA String unique detection (DETUID) (meta.id)
  SkyTile  (n) eROSITA Sky tile ID (SKYTILE) (obs.field)
  IdSrc  (n) eROSITA Source ID in each sky tile (ID_SRC) (Note 1)   (meta.id)
  UId  (n) eROSITA Integer unique detection ID (UID) (Note 2)   (meta.id)
  UIdHard  (n) eROSITA Hard catalog UID of the source with a strong association, or -UID if the association is weak (UID_Hard) (meta.id)
  IdCluster  (n) eROSITA Group ID of simultaneously fitted sources (ID_CLUSTER) (meta.id.parent)
  RA_ICRS deg (i) eROSITA Right ascension (ICRS), corrected (RA) (pos.eq.ra;meta.main)
  DE_ICRS deg (i) eROSITA Declination (ICRS), corrected (DEC) (pos.eq.dec;meta.main)
  RARdeg deg eROSITA Right ascension (ICRS), uncorrected (RA_RAW) (pos.eq.ra)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  DERdeg deg eROSITA Declination (ICRS), uncorrected (DEC_RAW) (pos.eq.dec)
  e_RA_ICRS arcsec (n) eROSITA 1-sigma lower error on RA (RA_LOWERR) (stat.error;pos.eq.ra)
  E_RA_ICRS arcsec (n) eROSITA 1-sigma upper error on RA (RA_UPERR) (stat.error;stat.max)
  e_DE_ICRS arcsec (n) eROSITA 1-sigma lower error on DEC (DEC_LOWERR) (stat.error;pos.eq.dec)
  E_DE_ICRS arcsec (n) eROSITA 1-sigma upper error on DEC (DEC_UPERR) (stat.error;stat.max)
  RADEErr arcsec eROSITA Combined positional error, raw output from PSF fitting (RADEC_ERR) (stat.error;pos)
  posErr arcsec eROSITA 1-sigma positional uncertainty (POS_ERR) (stat.error;pos)
  GLON deg Galactic longitude (LII) (pos.galactic.lon)
  GLAT deg Galactic latitude (BII) (pos.galactic.lat)
  ELON deg Ecliptic longitude (ELON) (pos.ecliptic.lon)
  ELAT deg Ecliptic latitude (ELAT) (pos.ecliptic.lat)
  MJD d (i) Modified Julian Date of the observation of the source nearest to the optical axis of the telescope (MJD) (time.epoch)
  b_MJD d Minimum Modified Julian Date of observations used to construct the model of this object (MJD_MIN) (time.epoch)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  B_MJD d Maximum Modified Julian Date of observations used to construct the model of this object (MJD_MAX) (time.epoch)
  Ext arcsec [0] Source extent (EXT) (phys.angSize)
  s_Ext arcsec (n) [0] Extent error (EXT_ERR) (stat.error;phys.angSize)
  e_Ext arcsec (n) [0] 1-sigma lower error on EXT (EXT_LOWERR) (stat.error)
  E_Ext arcsec (n) [0] 1-sigma upper error on EXT (EXT_UPERR) (stat.error;stat.max)
  ExtLike   [0] Extent likelihood (EXT_LIKE) (stat.likelihood)
  DetLike0  Detection likelihood measured by forced PSF-fitting at 0.2-2.3keV (DETLIKE0) (stat.likelihood)
  MLcts1 ct Source net counts measured from count rate at 0.2-2.3keV (MLCTS1) (phot.count;em.X-ray)
  s_MLcts1 ct (n) 1 sigma counts error at 0.2-2.3keV (MLCTSERR_1) (stat.error;phot.count;em.X-ray.soft)
  e_MLcts1 ct (n) 1 sigma lower error of counts at 0.2-2.3keV (MLCTSLOWERR_1) (stat.error)
  E_MLcts1 ct (n) 1 sigma upper error of counts at 0.2-2.3keV (MLCTSUPERR_1) (stat.error;stat.max)
  MLRate1 ct/s Source count rate measured by forced PSF-fitting at 0.2-2.3keV (MLRATE1) (phot.count;em.X-ray)
  s_MLRate1 ct/s (n) 1 sigma count rate error at 0.2-2.3keV (MLRATEERR_1) (arith.rate;phot.count;em.X-ray.soft)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_MLRate1 ct/s (n) 1 sigma lower error of count rate at 0.2-2.3keV (MLRATELOWERR_1) (stat.error)
  E_MLRate1 ct/s (n) 1 sigma upper error of count rate at 0.2-2.3keV (MLRATEUPERR_1) (stat.error;stat.max)
  MLFlux mW/m2 Source flux converted from count rate at 0.2-2.3keV (MLFLUX1) (phot.flux;em.X-ray)
  s_MLFlux mW/m2 (n) 1 sigma flux error at 0.2-2.3keV (MLFLUXERR_1) (stat.error;phot.flux;em.X-ray.soft)
  e_MLFlux mW/m2 (n) 1 sigma lower error of flux at 0.2-2.3keV (MLFLUXLOWERR_1) (stat.error)
  E_MLFlux mW/m2 (n) 1 sigma upper error of flux at 0.2-2.3keV (MLFLUXUPERR_1) (stat.error;stat.max)
  MLbkg1 arcmin-2 Background at the source position at 0.2-2.3keV (MLBKG1) (instr.background)
  MLExp1 s Vignetted exposure value at 0.2-2.3keV (MLEXP1) (stat.value;obs.exposure)
  MLeef1   [0.883602] Enclosed energy fraction (MLEEF1) (phys.energy)
  Apcts1 ct (n) Total counts extracted within the aperture at 0.2-2.3keV (APECTS1) (phot.count;em.X-ray)
  Apbkg1 ct Background counts in the aperture excluding nearby sources at 0.2-2.3keV (APEBKG1) (phys.angSize;em.X-ray.soft;instr.fov)
  ApExp1 s Vignetted exposure value at 0.2-2.3keV (APEEXP1) (stat.value;obs.exposure)
  ApRad1 pix Aperture radiusat 0.2-2.3keV (APERADIUS1) (phys.angSize;src)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  ApPois1  (n) Poisson probability of being background fluctuation at 0.2-2.3keV (APEPOIS1) (stat.fit.goodness)
  FSpSNR   [0/1] Source may lie within an overdense region near a supernova remnant (FLAGSPSNR) (meta.code)
  FSpBPS   [0/1] Source may lie within an overdense region near a bright point source (FLAGSPBPS) (meta.code)
  FSpSCL   [0/1] Source may lie within an overdense region near a stellar cluster (FLAGSPSCL) (meta.code)
  FSpLGA   [0/1] Source may lie within an overdense region near a local large galaxy (FLAGSPLGA) (meta.code)
  FSpGCCons   [0/1] Source may lie within an overdense region near a galaxy cluster (FLAGSPGC_CONS) (meta.code)
  FNoRADEerr   [0/1] Source contained no RADEC_ERR in the pre-processed version of the catalog (FLAGNORADEC_ERR) (meta.code)
  FNoExterr   [0/1] Source contained no EXT_ERR in the pre-processed version of the catalog (FLAGNOEXT_ERR) (meta.code)
  FNoctserr   [0/1] Source contained no CTS_ERR in the pre-processed version of the catalog (FLAGNOCTS_ERR) (meta.code)
  FlagOpt   [0/1] Source matched within 15'' with a bright optical star, likely contaminated by optical loading (FLAG_OPT) (meta.code.error)
  HECATE-PGC  (n) Principal Galaxy Catalogue number (HECATE_PGC) (meta.id)
  HECATE-ObjN (char) Object name in the HyperLEDA (HECATE_OBJNAME) (meta.id)
  RAHdeg deg (n) Right Ascension (J2000) (HECATE_RA) (pos.eq.ra)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  DEHdeg deg (n) Declination (J2000) (HECATE_DEC) (pos.eq.dec)
  HECATER1 arcmin (n) Semi-major axis (HECATE_R1) (phys.angSize;src)
  HECATER2 arcmin (n) Semi-minor axis (HECATE_R2) (phys.angSize.sminAxis)
  HECATEPA deg (n) North-to-Northeast positional angle (HECATE_PA) (pos.posAng)
  FlagHECATE   [0/1] 1 if the source is associate to an HECATE object, 0 otherwise. (HECATE) (meta.code.error)
  GaiaDR3  (n) Gaia DR3 ID (GDR3sourceid_1) (meta.id)
  RAGdeg deg (n) Gaia DR3 Right Ascension (GDR3RA1) (pos.eq.ra)
  DEGdeg deg (n) Gaia DR3 Declination (GDR3DEC1) (pos.eq.dec)
  GDR3Xpr  (n) Probability to be an X-ray emitter usibf GDR3 prior (GDR3Xrayproba) (stat.fit.goodness)
  SepGDR3ERO arcsec (n) Separation between Gaia DR3 and eROSITA source (NWAYSeparationGDR3_ERO) (pos.angDistance)
  ncat  (n) [2] 2 if source has counterpart in Gaia Dr3, 1 otherwise (NWAY_ncat) (meta.code)
  distbayfac  (n) Logarithm of ratio between prior and posterior, from separation, positional error and number density (NWAYdistbayesfactor) (Note 3)   (stat.fit.goodness)
  distpost  (n) Distance posterior probability comparing this association vs. no association (NWAYdistpost) (Note 3)   (stat.fit.goodness)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  biasG3Xpr  (n) Prior Probability weighting. A value of 1 indicates no change from probability due to astrometry (see paper) (NWAYbiasGDR3Xrayproba) (stat.fit.goodness)
  psingle  (n) Same as dist_post, but weighted by the prior (NWAYpsingle) (Note 3)   (stat.fit.goodness)
  pany  (n) For each entry in the X-ray catalogue, the probability that there is a counterpart (NWAYpany) (Note 3)   (stat.fit.goodness)
  pi  (n) Relative probability of the eROSITA/GDR3 match (NWAYpi) (Note 3)   (stat.fit.goodness)
  matchflag  (n) assuming ncat\equiv2: 1 best counterpart; 2 alternative good counterpart (NWAYmatchflag) (meta.code)
  solutionId  (n) GAIA DR3 Solution Identifier (solution_id) (meta.id;stat.fit)
  GaiaDR3Name (char) Gaia DR3 Unique source designation (unique across all Data Releases) (designation) (meta.id)
  GaiaDR3-2  (n) Gaia DR3 Unique source identifier (unique within a particular Data Release) (GDR3sourceid_1a) (meta.id)
  ERO-G-FId (char) Unique identifier of X-ray source + GDR3 Counterpart (EROGDR3FULLID) (meta.id)
  EpochGDR3 yr (n) [2016] GAIA DR3 Reference epoch (GDR3refepoch) (meta.ref;time.epoch)
  RAGdeg2 deg (n) GDR3 Right ascension (GDR3ra1a) (pos.eq.ra)
  e_RAGdeg2 mas (n) GDR3 Standard error of right ascension (GDR3raerror) (stat.error)
  DEGdeg2 deg (n) GDR3 Declination (GDR3dec1a) (pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_DEGdeg2 mas (n) GDR3 Standard error of declination (GDR3decerror) (stat.error)
  plx mas (n) GDR3 Parallax (GDR3_parallax) (pos.parallax.trig)
  e_plx mas (n) GDR3 Standard error of parallax (GDR3parallaxerror) (stat.error;pos.parallax)
  pmRA mas/yr (n) Proper motion in right ascension direction (GDR3pmrain) (pos.pm;pos.eq.ra)
  e_pmRA mas/yr (n) Standard error of proper motion in right ascension direction (GDR3pmraerror) (stat.error;pos.pm;pos.eq.ra)
  pmDE mas/yr (n) Proper motion in declination direction (GDR3_pmdec) (pos.pm;pos.eq.dec)
  e_pmDE mas/yr (n) Standard error of proper motion in declination direction (GDR3pmdecerror) (stat.error;pos.pm;pos.eq.dec)
  RUWE  (n) GDR3 Renormalised unit weight error (GDR3_ruwe) (stat.error)
  Dup   [0/1] Source with multiple source identifiers (GDR3duplicatedsource) (meta.code)
  o_Gmag  (n) Number of observations contributing to G photometry (GDR3photgnobs) (meta.number)
  FG e-/s (n) G-band mean flux (GDR3photgmeanflux) (phot.flux.density;em.opt)
  e_FG e-/s (n) Error on G-band mean flux (GDR3photgmeanflux_error) (stat.error)
  RFG  (n) G-band mean flux divided by its error (GDR3photgmeanfluxovererror) (phot.flux;arith.ratio)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Gmag mag (n) G-band mean magnitude (GDR3photgmeanmag) (phot.mag;em.opt)
  o_BPmag  (n) Number of observations contributing to BP photometry (GDR3photbpnobs) (meta.number)
  FBP e-/s (n) Integrated BP mean flux (GDR3photbpmeanflux) (phot.flux.density;em.opt.B)
  e_FBP e-/s (n) Error on the integrated BP mean flux (GDR3photbpmeanflux_error) (stat.error)
  RFBP  (n) Integrated BP mean flux divided by its error (GDR3photbpmeanfluxovererror) (phot.flux;arith.ratio)
  BPmag mag (n) Integrated BP mean magnitude (GDR3photbpmeanmag) (phot.mag;em.opt.B)
  o_RPmag  (n) Number of observations contributing to RP photometry (GDR3photrpnobs) (meta.number)
  FRP e-/s (n) Integrated RP mean flux (GDR3photrpmeanflux) (phot.flux.density;em.opt.R)
  e_FRP e-/s (n) Error on the integrated RP mean flux (GDR3photrpmeanflux_error) (stat.error)
  RFRP  (n) Integrated RP mean flux divided by its error (GDR3photrpmeanfluxovererror) (phot.flux;arith.ratio)
  RPmag mag (n) Integrated RP mean magnitude (GDR3photrpmeanmag) (phot.mag;em.opt.R)
  BP-RP mag (n) GDR3 BP-RP colour (GDR3bprp) (phot.color;em.opt.B;em.opt.R)
  BP-G mag (n) GDR3 BP-G colour (GDR3bpg) (phot.color;em.opt;em.opt)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  G-RP mag (n) GDR3 G-RP colour (GDR3grp) (phot.color;em.opt;em.opt)
  RAG2deg deg (n) GDR3 Right Ascension 2020 epoch (GDR3ra2020) (pos.eq.ra)
  DEG2deg deg (n) GDR3 Declination 2020 epoch (GDR3dec2020) (pos.eq.dec)
  thres6  (n) p_any value at the intersection between purity and completeness for (NWAY_threshold6) (stat.fit.param)
  compur6  (n) Value of Purity and Completeness at the intersection point for DETLIKE0>=6 (NWAY_compur6) (stat.fit.param)
  purity6  (n) Purity at the value of p_any for DETLIKE0>=6 (NWAY_purity6) (stat.fit.param)
  comp6  (n) Completeness at the value of p_any for DETLIKE0>=6 (NWAY_completeness6) (stat.fit.param)
  thres7  (n) p_any value at the intersection between purity and completeness for DETLIKE0>=6 (NWAY_threshold7) (stat.fit.param)
  compur7  (n) Value of Purity and Completeness at the intersection point for DETLIKE0>=7 (NWAY_compur7) (stat.fit.param)
  purity7  (n) Purity at the value of p_any for DETLIKE0>=7 (NWAY_purity7) (stat.fit.param)
  comp7  (n) Completeness at the value of p_any for DETLIKE0>=7 (NWAY_completeness7) (stat.fit.param)
  thres8  (n) p_any value at the intersection between purity and completeness for DETLIKE0>=8 (NWAY_threshold8) (stat.fit.param)
  compur8  (n) Value of Purity and Completeness at the intersection point for DETLIKE0>=8 (NWAY_compur8) (stat.fit.param)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  purity8  (n) Purity at the value of p_any for DETLIKE0>=8 (NWAY_purity8) (stat.fit.param)
  comp8  (n) Completeness at the value of p_any for DETLIKE0>=8 (NWAY_completeness8) (stat.fit.param)
  zsp  (n) Spectroscopic redshift from literature (zspec_compilation) (src.redshift)
  r_zsp (char) Reference for the redshift adopted (zspec_ref) (meta.ref;pos.frame)
  PQSO  (n) Probability from DSC-Combmod of being a quasar (GDR3_PQSO) (stat.fit.goodness)
  PGal  (n) Probability from DSC-Combmod of being a galaxy (GDR3_PGal) (stat.fit.goodness)
  PSS  (n) Probability from DSC-Combmod of being a star (GDR3_PSS) (stat.fit.goodness)
  InAll   [0/1] when the counterpart is a brick where the g, r, i, z nominal depth for LS10 (23.5, 23.3, 22.8 or 22.3) is reached in all bands (InAllLS102025) (meta.code)
  InAny   [0/1] when the counterpart is in a brick where at least one of the g, r, i, z in LS10 reached the nominal depth (InAnyLS102025) (meta.code)
  outLS10   [0/1] Source outside the footprint of LS10 (outsideLS10) (meta.code)
  outLS10D8   [0/1] Source with DETLIKE0>8 and outside the footprint of LS10 (outsideLS10DET8) (meta.code)
  Hamstar  (n) Hamstar counterpart ID from GDR3 (HamstarCTPID) (meta.id)
  RAHGdeg deg (n) Gaia DR3 Right ascension from Hamstar (Hamstar_RA) (pos.eq.ra)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  DEHGdeg deg (n) Gaia DR3 Declination from Hamstar (Hamstar_DEC) (pos.eq.dec)
  Hpstellar  (n) Probability of being a star from Hamstar (Hamstarpstellar) (stat.fit.goodness)
  Hcoronal   [0/1] Probability to be a coronal emitter from Hamstar (Hamstar_coronal) (stat.fit.goodness)
  Clean   [0/1] Unflagged Point like X-ray source (see Figure 11 of paper) (clean) (meta.code)
  bestCTP   [0/1] Primary GDR3 counterpart to clean sources (bestCTP) (meta.code)
  exgal   [0/1] Clean primary counterpart classified as extragalactic (Pgal>0.8 or Pqsol>0.8) (exgal) (meta.code)
  AGN   [0/1] outsideLS10DET8 and p_any>threshold8 (AGN) (meta.code)
  ROSAT/2RXS (char) Corresponding ROSAT/2RXS source (ROSAT/2RXS) (meta.id)
  ALLWISE (char) AllWISE counterpart to ROSAT/2RXS source (ALLWISE) (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 1