VizieR

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Simple Target List Of Targets Fast 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	9645		eRASS1 counterparts and classification (Salvato+, 2025) ReadMe+ftp 2025A&A...704A.344S Similar Catalogs Post annotation
1.	J/A+A/704/A344/dr1ge3		Identification and characterization of the counterparts to the X-ray point sources in the eROSITA/DR1 main catalogue using the Gaia DR3 survey (959261 rows) metaJ/A+A/704/A344/dr1ge3

Simple Constraint List Of Constraints

Query by Constraints constraints help

applied on Columns (Output Order: + - )

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Column

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

⁽ⁱ⁾ Modified Julian Date of the observation of the source nearest to the optical axis of the telescope (MJD) (time.epoch)

b_MJD

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

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 (DET_LIKE0) (stat.likelihood)

MLcts1

Source net counts measured from count rate at 0.2-2.3keV (ML_CTS1) (phot.count;em.X-ray)

s_MLcts1

⁽ⁿ⁾ 1 sigma counts error at 0.2-2.3keV (ML_CTSERR_1) (stat.error;phot.count;em.X-ray.soft)

e_MLcts1

⁽ⁿ⁾ 1 sigma lower error of counts at 0.2-2.3keV (ML_CTSLOWERR_1) (stat.error)

E_MLcts1

⁽ⁿ⁾ 1 sigma upper error of counts at 0.2-2.3keV (ML_CTSUPERR_1) (stat.error;stat.max)

MLRate1

ct/s

Source count rate measured by forced PSF-fitting at 0.2-2.3keV (ML_RATE1) (phot.count;em.X-ray)

s_MLRate1

ct/s

⁽ⁿ⁾ 1 sigma count rate error at 0.2-2.3keV (ML_RATEERR_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 (ML_RATELOWERR_1) (stat.error)

E_MLRate1

ct/s

⁽ⁿ⁾ 1 sigma upper error of count rate at 0.2-2.3keV (ML_RATEUPERR_1) (stat.error;stat.max)

MLFlux

mW/m2

Source flux converted from count rate at 0.2-2.3keV (ML_FLUX1) (phot.flux;em.X-ray)

s_MLFlux

mW/m2

⁽ⁿ⁾ 1 sigma flux error at 0.2-2.3keV (ML_FLUXERR_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 (ML_FLUXLOWERR_1) (stat.error)

E_MLFlux

mW/m2

⁽ⁿ⁾ 1 sigma upper error of flux at 0.2-2.3keV (ML_FLUXUPERR_1) (stat.error;stat.max)

MLbkg1

arcmin-2

Background at the source position at 0.2-2.3keV (ML_BKG1) (instr.background)

MLExp1

Vignetted exposure value at 0.2-2.3keV (ML_EXP1) (stat.value;obs.exposure)

MLeef1

[0.883602] Enclosed energy fraction (ML_EEF1) (phys.energy)

Apcts1

⁽ⁿ⁾ Total counts extracted within the aperture at 0.2-2.3keV (APE_CTS1) (phot.count;em.X-ray)

Apbkg1

Background counts in the aperture excluding nearby sources at 0.2-2.3keV (APE_BKG1) (phys.angSize;em.X-ray.soft;instr.fov)

ApExp1

Vignetted exposure value at 0.2-2.3keV (APE_EXP1) (stat.value;obs.exposure)

ApRad1

pix

Aperture radiusat 0.2-2.3keV (APE_RADIUS1) (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 (APE_POIS1) (stat.fit.goodness)

FSpSNR

[0/1] Source may lie within an overdense region near a supernova remnant (FLAG_SPSNR) (meta.code)

FSpBPS

[0/1] Source may lie within an overdense region near a bright point source (FLAG_SPBPS) (meta.code)

FSpSCL

[0/1] Source may lie within an overdense region near a stellar cluster (FLAG_SPSCL) (meta.code)

FSpLGA

[0/1] Source may lie within an overdense region near a local large galaxy (FLAG_SPLGA) (meta.code)

FSpGCCons

[0/1] Source may lie within an overdense region near a galaxy cluster (FLAG_SPGC_CONS) (meta.code)

FNoRADEerr

[0/1] Source contained no RADEC_ERR in the pre-processed version of the catalog (FLAG_NORADEC_ERR) (meta.code)

FNoExterr

[0/1] Source contained no EXT_ERR in the pre-processed version of the catalog (FLAG_NOEXT_ERR) (meta.code)

FNoctserr

[0/1] Source contained no CTS_ERR in the pre-processed version of the catalog (FLAG_NOCTS_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 (GDR3_sourceid_1) (meta.id)

RAGdeg

deg

⁽ⁿ⁾ Gaia DR3 Right Ascension (GDR3_RA1) (pos.eq.ra)

DEGdeg

deg

⁽ⁿ⁾ Gaia DR3 Declination (GDR3_DEC1) (pos.eq.dec)

GDR3Xpr

⁽ⁿ⁾ Probability to be an X-ray emitter usibf GDR3 prior (GDR3_Xrayproba) (stat.fit.goodness)

SepGDR3ERO

arcsec

⁽ⁿ⁾ Separation between Gaia DR3 and eROSITA source (NWAY_SeparationGDR3_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 (NWAY_distbayesfactor) (Note 3) (stat.fit.goodness)

distpost

⁽ⁿ⁾ Distance posterior probability comparing this association vs. no association (NWAY_distpost) (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) (NWAY_biasGDR3_Xrayproba) (stat.fit.goodness)

psingle

⁽ⁿ⁾ Same as dist_post, but weighted by the prior (NWAY_psingle) (Note 3) (stat.fit.goodness)

pany

⁽ⁿ⁾ For each entry in the X-ray catalogue, the probability that there is a counterpart (NWAY_pany) (Note 3) (stat.fit.goodness)

⁽ⁿ⁾ Relative probability of the eROSITA/GDR3 match (NWAY_pi) (Note 3) (stat.fit.goodness)

matchflag

⁽ⁿ⁾ assuming ncat\equiv2: 1 best counterpart; 2 alternative good counterpart (NWAY_matchflag) (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) (GDR3_sourceid_1a) (meta.id)

ERO-G-FId

(char)

Unique identifier of X-ray source + GDR3 Counterpart (ERO_GDR3FULLID) (meta.id)

EpochGDR3

⁽ⁿ⁾ [2016] GAIA DR3 Reference epoch (GDR3_refepoch) (meta.ref;time.epoch)

RAGdeg2

deg

⁽ⁿ⁾ GDR3 Right ascension (GDR3_ra1a) (pos.eq.ra)

e_RAGdeg2

mas

⁽ⁿ⁾ GDR3 Standard error of right ascension (GDR3_raerror) (stat.error)

DEGdeg2

deg

⁽ⁿ⁾ GDR3 Declination (GDR3_dec1a) (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 (GDR3_decerror) (stat.error)

plx

mas

⁽ⁿ⁾ GDR3 Parallax (GDR3_parallax) (pos.parallax.trig)

e_plx

mas

⁽ⁿ⁾ GDR3 Standard error of parallax (GDR3_parallaxerror) (stat.error;pos.parallax)

pmRA

mas/yr

⁽ⁿ⁾ Proper motion in right ascension direction (GDR3_pmrain) (pos.pm;pos.eq.ra)

e_pmRA

mas/yr

⁽ⁿ⁾ Standard error of proper motion in right ascension direction (GDR3_pmraerror) (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 (GDR3_pmdecerror) (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 (GDR3_duplicatedsource) (meta.code)

o_Gmag

⁽ⁿ⁾ Number of observations contributing to G photometry (GDR3_photg_nobs) (meta.number)

e-/s

⁽ⁿ⁾ G-band mean flux (GDR3_photg_meanflux) (phot.flux.density;em.opt)

e_FG

e-/s

⁽ⁿ⁾ Error on G-band mean flux (GDR3_photg_meanflux_error) (stat.error)

RFG

⁽ⁿ⁾ G-band mean flux divided by its error (GDR3_photg_meanflux_overerror) (phot.flux;arith.ratio)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

Gmag

mag

⁽ⁿ⁾ G-band mean magnitude (GDR3_photg_meanmag) (phot.mag;em.opt)

o_BPmag

⁽ⁿ⁾ Number of observations contributing to BP photometry (GDR3_photbp_nobs) (meta.number)

FBP

e-/s

⁽ⁿ⁾ Integrated BP mean flux (GDR3_photbp_meanflux) (phot.flux.density;em.opt.B)

e_FBP

e-/s

⁽ⁿ⁾ Error on the integrated BP mean flux (GDR3_photbp_meanflux_error) (stat.error)

RFBP

⁽ⁿ⁾ Integrated BP mean flux divided by its error (GDR3_photbp_meanflux_overerror) (phot.flux;arith.ratio)

BPmag

mag

⁽ⁿ⁾ Integrated BP mean magnitude (GDR3_photbp_meanmag) (phot.mag;em.opt.B)

o_RPmag

⁽ⁿ⁾ Number of observations contributing to RP photometry (GDR3_photrp_nobs) (meta.number)

FRP

e-/s

⁽ⁿ⁾ Integrated RP mean flux (GDR3_photrp_meanflux) (phot.flux.density;em.opt.R)

e_FRP

e-/s

⁽ⁿ⁾ Error on the integrated RP mean flux (GDR3_photrp_meanflux_error) (stat.error)

RFRP

⁽ⁿ⁾ Integrated RP mean flux divided by its error (GDR3_photrp_meanflux_overerror) (phot.flux;arith.ratio)

RPmag

mag

⁽ⁿ⁾ Integrated RP mean magnitude (GDR3_photrp_meanmag) (phot.mag;em.opt.R)

BP-RP

mag

⁽ⁿ⁾ GDR3 BP-RP colour (GDR3_bprp) (phot.color;em.opt.B;em.opt.R)

BP-G

mag

⁽ⁿ⁾ GDR3 BP-G colour (GDR3_bpg) (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 (GDR3_grp) (phot.color;em.opt;em.opt)

RAG2deg

deg

⁽ⁿ⁾ GDR3 Right Ascension 2020 epoch (GDR3_ra2020) (pos.eq.ra)

DEG2deg

deg

⁽ⁿ⁾ GDR3 Declination 2020 epoch (GDR3_dec2020) (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 DET_LIKE0>=6 (NWAY_compur6) (stat.fit.param)

purity6

⁽ⁿ⁾ Purity at the value of p_any for DET_LIKE0>=6 (NWAY_purity6) (stat.fit.param)

comp6

⁽ⁿ⁾ Completeness at the value of p_any for DET_LIKE0>=6 (NWAY_completeness6) (stat.fit.param)

thres7

⁽ⁿ⁾ p_any value at the intersection between purity and completeness for DET_LIKE0>=6 (NWAY_threshold7) (stat.fit.param)

compur7

⁽ⁿ⁾ Value of Purity and Completeness at the intersection point for DET_LIKE0>=7 (NWAY_compur7) (stat.fit.param)

purity7

⁽ⁿ⁾ Purity at the value of p_any for DET_LIKE0>=7 (NWAY_purity7) (stat.fit.param)

comp7

⁽ⁿ⁾ Completeness at the value of p_any for DET_LIKE0>=7 (NWAY_completeness7) (stat.fit.param)

thres8

⁽ⁿ⁾ p_any value at the intersection between purity and completeness for DET_LIKE0>=8 (NWAY_threshold8) (stat.fit.param)

compur8

⁽ⁿ⁾ Value of Purity and Completeness at the intersection point for DET_LIKE0>=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 DET_LIKE0>=8 (NWAY_purity8) (stat.fit.param)

comp8

⁽ⁿ⁾ Completeness at the value of p_any for DET_LIKE0>=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 DET_LIKE0>8 and outside the footprint of LS10 (outsideLS10DET8) (meta.code)

Hamstar

⁽ⁿ⁾ Hamstar counterpart ID from GDR3 (Hamstar_CTPID) (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 (Hamstar_pstellar) (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

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