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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=68782
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ColumnValue  Explain   (UCD)
_RAJ200000 42 42.63840 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+40 51 55.0440 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 39 58.55670 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+40 35 29.2557 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon121.15277477 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-21.97630853 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)
68782recno 68782  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

2RXS2RXS J004242.6+405155  IAU Identifier from Boller et al. (2016, Cat. J/A+A/588/A103) (2RXS_ID) (meta.id;meta.main)
RAJ2000 10.677660 deg (i) 2RXS Right ascension (J2000.0) (2RXS_RA) (pos.eq.ra;meta.main)
DEJ2000 40.865290 deg (i) 2RXS Declination (J2000.0) (2RXS_DEC) (pos.eq.dec;meta.main)
ePos 6.5567193548069502 arcsec 2RXS positional error (2RXS_e_RADEC) (stat.error;pos)
ExiML 80.00  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 4.6604e-12 mW/m2 2RXS flux computed as in Dwelly et al. (2017MNRAS.469.1065D) (2RXS_SRC_FLUX) (phot.flux;em.X-ray)
e_SrcFlux 7.2972e-13 mW/m2 2RXS flux error (2RXS_SRC_FLUX_ERR) (stat.error)
ALLWISEJ004241.85+405155.4  WISE All-Sky Release Catalogue name from Cutri et al. (2013, Cat. II/328) (ALLW_ID) (meta.id)
RAWdeg 10.6743797 deg AllWISE Right Ascension (J2000.0) (ALLW_RA) (pos.eq.ra)
DEWdeg 40.8653927 deg AllWISE Declination (J2000.0) (ALLW_DEC) (pos.eq.dec)
ePosW 0.0398106760 arcsec AllWISE positional error (ALLW_e_RADEC) (stat.error;pos)
W1mag 5.439 mag AllWISE Vega magnitude in the W1 band (ALLW_w1mpro) (phot.mag;em.IR.3-4um)
W2mag 6.081 mag AllWISE Vega magnitude in the W2 band (ALLW_w2mpro) (phot.mag;em.IR.4-8um)
W3mag 5.813 mag AllWISE Vega magnitude in the W3 band (ALLW_w3mpro) (phot.flux.density;em.IR.8-15um)
W4mag 4.814 mag AllWISE Vega magnitude in the W4 band (ALLW_w4mpro) (phot.flux.density;em.IR.15-30um)
e_W1mag 0.0520 mag AllWISE magnitude error in the W1 band (ALLW_w1sigmpro) (stat.error;phot.mag)
e_W2mag 0.0210 mag AllWISE magnitude error in the W2 band (ALLW_w2sigmpro) (stat.error;phot.mag)
e_W3mag 0.0140 mag AllWISE magnitude error in the W3 band (ALLW_w3sigmpro) (stat.error;phot.mag)
e_W4mag 0.0290 mag AllWISE magnitude error in the W4band (ALLW_w4sigmpro) (stat.error;phot.mag)
W1snr 20.8   AllWISE signal to noise ratio in the W1 band (ALLW_w1snr) (stat.snr)
W2snr 51.3   AllWISE signal to noise ratio in the W2 band (ALLW_w2snr) (stat.snr)
W3snr 77.6   AllWISE signal to noise ratio in the W3 band (ALLW_w3snr) (stat.snr)
W4snr 37.6   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 8.938259000 arcsec [0/100[ Separation between X-ray source and AllWISE candidate counterpart (Separation_ALLW_2RXS) (pos.angDistance)
Distbf 8.892965000  Logarithm of ratio between prior and posterior, from separation, positional error and number density (dist_bayesfactor) (stat.fit.omc)
Distpost 5.06614e-01  Distance posterior probability comparing this association vs. no association (dist_post) (stat.fit.omc)
Bias 21.7606240000  Probability weighting introduced by AllWISE prior. 1 indicates no change (bias_ALLW_COLOURMAG_PIX) (stat.fit.goodness)
psingle 9.57163e-01  Same as dist_post, but weighted by the AllWISE color-magnitude prior. (p_single) (stat.fit.omc)
pany 9.61280e-01  For each entry in the X-ray catalogue, the probability that there is a counterpart (p_any) (Note 1)   (stat.fit.goodness)
pi 1.000000000  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)
1RXSJ004242.8+405156   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)
2MASS1287662328   2MASS Identifier as listed in the AllWISE catalog (ALLW_2MASS_ID) (meta.id)
Jmag 8.659 mag 2MASS magnitude in the J band, as from AllWISE catalogue. (ALLW_j_m_2mass) (phot.mag;em.IR.J)
Hmag 7.744 mag 2MASS magnitude in the H band, as from AllWISE catalogue. (ALLW_h_m_2mass) (phot.mag;em.IR.H)
Kmag 7.872 mag 2MASS magnitude in the K band, as from AllWISE catalogue. (ALLW_k_m_2mass) (phot.mag;em.IR.K)
e_Jmag 0.038 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 0.020 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 0.041 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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