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J/MNRAS/473/4937/2rxswg AllWISE ctp to ROSAT/2RXS & XMMSLEW2 catalogs (Salvato+, 2018)
Position and photometry for AllWISE and GAIA counterparts to ROSAT/2RXS with |b|>15deg (132254 rows)
  recno=35501
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ColumnValue  Explain   (UCD)
_RAJ200004 31 38.29440 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-05 04 57.7560 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 29 10.10635 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-05 11 19.7162 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon200.40902283 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-33.24575868 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
35501recno 35501  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

2RXS2RXS J043138.2-050457  IAU Identifier from Boller et al. (2016, Cat. J/A+A/588/A103) (2RXS_ID) (meta.id;meta.main)
RAJ2000 67.909560 deg (i) 2RXS Right ascension (J2000.0) (2RXS_RA) (pos.eq.ra;meta.main)
DEJ2000 -5.082710 deg (i) 2RXS Declination (J2000.0) (2RXS_DEC) (pos.eq.dec;meta.main)
ePos 13.2939403452521994 arcsec 2RXS positional error (2RXS_e_RADEC) (stat.error;pos)
ExiML 20.95  2RXS source Detection Likelihood from Boller et al. (2016, Cat. J/A+A/588/A103) (2RXS_ExiML) (stat.likelihood)
Ext 0.0000 pix 2RXS source extent from Boller et al. (2016, Cat. J/A+A/588/A103) (2RXS_Ext) (instr.fov;instr.pixel)
ExtML 0.00  Probability of the 2RXS source extend from Boller et al. (2016, Cat. J/A+A/588/A103) (2RXS_ExtML) (stat.likelihood)
SrcFlux 1.3908e-12 mW/m2 2RXS flux computed as in Dwelly et al. (2017MNRAS.469.1065D) (2RXS_SRC_FLUX) (phot.flux;em.X-ray)
e_SrcFlux 3.6694e-13 mW/m2 2RXS flux error (2RXS_SRC_FLUX_ERR) (stat.error)
ALLWISEJ043139.86-050510.5  WISE All-Sky Release Catalogue name from Cutri et al. (2013, Cat. II/328) (ALLW_ID) (meta.id)
RAWdeg 67.9161151 deg AllWISE Right Ascension (J2000.0) (ALLW_RA) (pos.eq.ra)
DEWdeg -5.0862744 deg AllWISE Declination (J2000.0) (ALLW_DEC) (pos.eq.dec)
ePosW 0.0493000000 arcsec AllWISE positional error (ALLW_e_RADEC) (stat.error;pos)
W1mag 9.481 mag AllWISE Vega magnitude in the W1 band (ALLW_w1mpro) (phot.mag;em.IR.3-4um)
W2mag 9.509 mag AllWISE Vega magnitude in the W2 band (ALLW_w2mpro) (phot.mag;em.IR.4-8um)
W3mag 9.065 mag AllWISE Vega magnitude in the W3 band (ALLW_w3mpro) (phot.flux.density;em.IR.8-15um)
W4mag 7.881 mag AllWISE Vega magnitude in the W4 band (ALLW_w4mpro) (phot.flux.density;em.IR.15-30um)
e_W1mag 0.0220 mag AllWISE magnitude error in the W1 band (ALLW_w1sigmpro) (stat.error;phot.mag)
e_W2mag 0.0200 mag AllWISE magnitude error in the W2 band (ALLW_w2sigmpro) (stat.error;phot.mag)
e_W3mag 0.0350 mag AllWISE magnitude error in the W3 band (ALLW_w3sigmpro) (stat.error;phot.mag)
e_W4mag 0.2050 mag AllWISE magnitude error in the W4band (ALLW_w4sigmpro) (stat.error;phot.mag)
W1snr 49.5   AllWISE signal to noise ratio in the W1 band (ALLW_w1snr) (stat.snr)
W2snr 55.2   AllWISE signal to noise ratio in the W2 band (ALLW_w2snr) (stat.snr)
W3snr 30.7   AllWISE signal to noise ratio in the W3 band (ALLW_w3snr) (stat.snr)
W4snr 5.3   AllWISE signal to noise ratio in the W4 band (ALLW_w4snr) (stat.snr)
Flags0000   AllWISE reliability flag from Cutri et al. (2013, Cat. II/328) (ALLW_cc_flags) (meta.code.error)
SepW-2RXS26.779932000 arcsec [0/100[ Separation between X-ray source and AllWISE candidate counterpart (Separation_ALLW_2RXS) (pos.angDistance)
Distbf 7.801396400  Logarithm of ratio between prior and posterior, from separation, positional error and number density (dist_bayesfactor) (stat.fit.omc)
Distpost 7.67766e-02  Distance posterior probability comparing this association vs. no association (dist_post) (stat.fit.omc)
Bias 42.5931700000  Probability weighting introduced by AllWISE prior. 1 indicates no change (bias_ALLW_COLOURMAG_PIX) (stat.fit.goodness)
psingle 7.79838e-01  Same as dist_post, but weighted by the AllWISE color-magnitude prior. (p_single) (stat.fit.omc)
pany 8.12086e-01  For each entry in the X-ray catalogue, the probability that there is a counterpart (p_any) (Note 1)   (stat.fit.goodness)
pi 0.910700700  Relative probability of the match (p_i) (Note 2)   (stat.fit.goodness)
MatchFlag1  Quality of the X-ray to WISE association (match_flag) (Note 3)   (meta.code.qual)
GroupID    Sequencial number for X-ray sources with more than one possible counterpart (GroupID) (Note 4)   (meta.id)
GroupSize    Number of possible All-WISE counterparts for a given X-ray source (GroupSize) (Note 5)   (meta.number)
1RXSJ043138.4-050457   Source name in the 1RXS catalogues of Voges et al. (1999, Cat. IX/10) and Voges et al. (2000, Cat. IX/29) (1RXS_ID) (Note 6)   (meta.id)
2MASS 91975317   2MASS Identifier as listed in the AllWISE catalog (ALLW_2MASS_ID) (meta.id)
Jmag12.820 mag 2MASS magnitude in the J band, as from AllWISE catalogue. (ALLW_j_m_2mass) (phot.mag;em.IR.J)
Hmag12.014 mag 2MASS magnitude in the H band, as from AllWISE catalogue. (ALLW_h_m_2mass) (phot.mag;em.IR.H)
Kmag11.061 mag 2MASS magnitude in the K band, as from AllWISE catalogue. (ALLW_k_m_2mass) (phot.mag;em.IR.K)
e_Jmag 0.173 mag 2MASS magnitude error in the J band as reported in the AllWISE catalogue (ALLW_j_msig_2mass) (stat.error;phot.mag;em.IR.J)
e_Hmag 0.174 mag 2MASS magnitude error in the H band as reported in the AllWISE catalogue (ALLW_h_msig_2mass) (stat.error;phot.mag;em.IR.H)
e_Kmag 0.082 mag 2MASS magnitude error in the K band as reported in the AllWISE catalogue (ALLW_k_msig_2mass) (stat.error;phot.mag;em.IR.K)
Gaia    Solution ID from the original Gaia DR1 catalogue from Fabricious et al. (2016, Cat. I/337) (Gaia_DR1_ID) (meta.id)
RAGdeg  deg Gaia Right Ascension (J2000) (Gaia_DR1_RA) (pos.eq.ra)
DEGdeg  deg Gaia Declination (J2000) (Gaia_DR1_DEC) (pos.eq.dec)
pmRA  mas/yr Proper motion in Right Ascension as measured by Gaia (pmra) (pos.pm;pos.eq.ra)
pmDE  mas/yr Proper motion in Declination as measured by Gaia (pmdec) (pos.pm;pos.eq.dec)
e_pmRA  mas/yr Proper motion error in Right Ascension as measured by Gaia (pmra_error) (stat.error;pos.pm;pos.eq.ra)
e_pmDE  mas/yr Proper motion error in Declination as measured by Gaia (pmdec_error) (stat.error;pos.pm;pos.eq.dec)
<FG>  e-/s Gaia G-band mean flux (phot_g_mean_flux) (phot.flux.density;em.opt.R)
e_<FG>  e-/s Gaia G-band mean flux error (phot_g_mean_flux_error) (stat.error)
<Gmag>  mag Gaia mean magnitude (phot_g_mean_mag) (phot.mag;em.opt.R)
  
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