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VizieR

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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=55617
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ColumnValue  Explain   (UCD)
_RAJ200001 56 55.23600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+24 22 57.8640 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195001 54 06.93999 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+24 08 20.3620 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon141.46207437 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-36.12161449 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)
55617recno 55617  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

2RXS2RXS J015655.2+242257  IAU Identifier from Boller et al. (2016, Cat. J/A+A/588/A103) (2RXS_ID) (meta.id;meta.main)
RAJ2000 29.230150 deg (i) 2RXS Right ascension (J2000.0) (2RXS_RA) (pos.eq.ra;meta.main)
DEJ2000 24.382740 deg (i) 2RXS Declination (J2000.0) (2RXS_DEC) (pos.eq.dec;meta.main)
ePos 20.9099186343001016 arcsec 2RXS positional error (2RXS_e_RADEC) (stat.error;pos)
ExiML 7.29  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 1.0246e-12 mW/m2 2RXS flux computed as in Dwelly et al. (2017MNRAS.469.1065D) (2RXS_SRC_FLUX) (phot.flux;em.X-ray)
e_SrcFlux 4.6033e-13 mW/m2 2RXS flux error (2RXS_SRC_FLUX_ERR) (stat.error)
ALLWISEJ015654.82+242258.9  WISE All-Sky Release Catalogue name from Cutri et al. (2013, Cat. II/328) (ALLW_ID) (meta.id)
RAWdeg 29.2284211 deg AllWISE Right Ascension (J2000.0) (ALLW_RA) (pos.eq.ra)
DEWdeg 24.3830547 deg AllWISE Declination (J2000.0) (ALLW_DEC) (pos.eq.dec)
ePosW 0.0614544560 arcsec AllWISE positional error (ALLW_e_RADEC) (stat.error;pos)
W1mag13.692 mag AllWISE Vega magnitude in the W1 band (ALLW_w1mpro) (phot.mag;em.IR.3-4um)
W2mag12.683 mag AllWISE Vega magnitude in the W2 band (ALLW_w2mpro) (phot.mag;em.IR.4-8um)
W3mag 9.640 mag AllWISE Vega magnitude in the W3 band (ALLW_w3mpro) (phot.flux.density;em.IR.8-15um)
W4mag 6.974 mag AllWISE Vega magnitude in the W4 band (ALLW_w4mpro) (phot.flux.density;em.IR.15-30um)
e_W1mag 0.0250 mag AllWISE magnitude error in the W1 band (ALLW_w1sigmpro) (stat.error;phot.mag)
e_W2mag 0.0250 mag AllWISE magnitude error in the W2 band (ALLW_w2sigmpro) (stat.error;phot.mag)
e_W3mag 0.0400 mag AllWISE magnitude error in the W3 band (ALLW_w3sigmpro) (stat.error;phot.mag)
e_W4mag 0.0890 mag AllWISE magnitude error in the W4band (ALLW_w4sigmpro) (stat.error;phot.mag)
W1snr 43.5   AllWISE signal to noise ratio in the W1 band (ALLW_w1snr) (stat.snr)
W2snr 44.1   AllWISE signal to noise ratio in the W2 band (ALLW_w2snr) (stat.snr)
W3snr 27.5   AllWISE signal to noise ratio in the W3 band (ALLW_w3snr) (stat.snr)
W4snr 12.2   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-2RXS 5.780996300 arcsec [0/100[ Separation between X-ray source and AllWISE candidate counterpart (Separation_ALLW_2RXS) (pos.angDistance)
Distbf 8.272574000  Logarithm of ratio between prior and posterior, from separation, positional error and number density (dist_bayesfactor) (stat.fit.omc)
Distpost 1.97492e-01  Distance posterior probability comparing this association vs. no association (dist_post) (stat.fit.omc)
Bias 799.7508000000  Probability weighting introduced by AllWISE prior. 1 indicates no change (bias_ALLW_COLOURMAG_PIX) (stat.fit.goodness)
psingle 9.94945e-01  Same as dist_post, but weighted by the AllWISE color-magnitude prior. (p_single) (stat.fit.omc)
pany 9.95448e-01  For each entry in the X-ray catalogue, the probability that there is a counterpart (p_any) (Note 1)   (stat.fit.goodness)
pi 0.999950000  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)
1RXSJ015655.1+242257   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 118409495   2MASS Identifier as listed in the AllWISE catalog (ALLW_2MASS_ID) (meta.id)
Jmag16.470 mag 2MASS magnitude in the J band, as from AllWISE catalogue. (ALLW_j_m_2mass) (phot.mag;em.IR.J)
Hmag15.830 mag 2MASS magnitude in the H band, as from AllWISE catalogue. (ALLW_h_m_2mass) (phot.mag;em.IR.H)
Kmag14.861 mag 2MASS magnitude in the K band, as from AllWISE catalogue. (ALLW_k_m_2mass) (phot.mag;em.IR.K)
e_Jmag 0.117 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 0.148 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 0.118 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 105026312757899648   Solution ID from the original Gaia DR1 catalogue from Fabricious et al. (2016, Cat. I/337) (Gaia_DR1_ID) (meta.id)
RAGdeg 29.2284182256 deg Gaia Right Ascension (J2000) (Gaia_DR1_RA) (pos.eq.ra)
DEGdeg 24.3830401853 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> 4.246e+02 e-/s Gaia G-band mean flux (phot_g_mean_flux) (phot.flux.density;em.opt.R)
e_<FG> 5.162e+00 e-/s Gaia G-band mean flux error (phot_g_mean_flux_error) (stat.error)
<Gmag>18.955 mag Gaia mean magnitude (phot_g_mean_mag) (phot.mag;em.opt.R)
  
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