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VizieR

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IV/35/wn18_b10 Gaia DR2-WISE Galactic Plane Matches (Wilson+, 2018)
IDs, positions, magnitudes and probabilities (118,964,029 sources) (118964029 rows)
  -c=125.79060430162 -49.21863104287, eq=ICRS, rs=2
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (125.79060430162-49.21863104287)[ICRS], at Epoch=J2015.5 (pos.angDistance)
_RAJ200008 23 09.7450323888 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2015.5 (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.eq.ra)
_DEJ2000-49 13 07.071754332 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2015.5 (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.eq.dec)
_RAB195008 21 38.7909098641 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J2015.5 (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.eq.ra)
_DEB1950-49 03 23.703858149 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J2015.5 (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.eq.dec)
_Glon265.6422076537091 deg Galactic longitude at Epoch=J2015.5 (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-06.8216377441688 deg Galactic latitude at Epoch=J2015.5 (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)

RAICRS125.79060430162 deg (i) Right Ascension of Gaia source (ICRS at epoch 2015.5), as given by the Gaia DR2 catalogue (GAIA_RA) (pos.eq.ra;meta.main)
DEICRS-49.21863104287 deg (i) Declination of Gaia source (ICRS at epoch 2015.5), as given by the Gaia DR2 catalogue (GAIA_DEC) (pos.eq.dec;meta.main)

GAIA-WISEGAIA-WISE  Display the Gaia DR2 (Cat. I/345) and AllWISE (Cat. II/328) data (meta.ref.url)

GAIA5514928983792371968  (i) ID of Gaia source, as given by the Gaia DR2 catalogue (GAIA_ID) (meta.id;meta.main)
WISEJ082309.65-491307.5  (i) ID of WISE object, as given by the AllWISE catalogue (WISE_ID) (meta.id.cross)
RAWdeg125.7902463 deg Right Ascension of WISE source (J2000), as given by the AllWISE catalogue (WISE_RA) (pos.eq.ra)
DEWdeg-49.2187664 deg Declination of WISE source (J2000), as given by the AllWISE catalogue (WISE_DEC) (pos.eq.dec)
gmag17.002916 mag Gaia G magnitude, as given by the Gaia DR2 catalogue (G_MAG) (phot.mag;em.opt)
W1mag 13.245 mag WISE w1mpro magnitude, as given by the AllWISE catalogue (W1_MAG) (phot.mag;em.IR.3-4um)
W2mag 13.272 mag WISE w2mpro magnitude, as given by the AllWISE catalogue (W2_MAG) (phot.mag;em.IR.4-8um)
W3mag 12.747 mag WISE w3mpro magnitude, as given by the AllWISE catalogue (W3_MAG) (phot.flux.density;em.IR.8-15um)
W4mag 9.356 mag WISE w4mpro magnitude, as given by the AllWISE catalogue (W4_MAG) (phot.flux.density;em.IR.15-30um)
MatchP 9.9884006675130133e-01  Overall probability that the Gaia and WISE sources are detections of the same object, as given by equation 26 of Wilson & Naylor (2018MNRAS.473.5570W) (MATCH_P) (stat.fit.goodness)
eta 1.8798695769129505e+00  Photometric logarithmic likelihood ratio of Gaia-WISE match, as described by equation 37 of Wilson & Naylor (2018MNRAS.473.5570W) (ETA) (stat.likelihood;phot;arith.ratio)
xi 1.0551933807236158e+00  Astrometric logarithmic likelihood ratio of Gaia-WISE match, as described by equation 38 of Wilson & Naylor (2018MNRAS.473.5570W) (XI) (stat.likelihood)
ContP1 9.9907063069049717e-01  Probability of WISE source having contaminant of at least 1% relative flux given its separation from its corresponding Gaia detection, as given by equation 12 of Wilson & Naylor (2018b, this paper) (CONT_P1) (stat.fit.goodness)
ContP10 9.9099701847458299e-01  Probability of WISE source having contaminant of at least 10% relative flux given its separation from its corresponding Gaia detection (CONT_P10) (stat.fit.goodness)
avgCont 8.5078522724209960e-02  Mean contaminating relative flux within PSFs when constructing h_offsets for WISE sources at the local density, magnitude and intrinsic positional uncertainty of the primary source (AVG_CONT) (stat.fit.goodness)
  
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