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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=297.12712939935 +23.69421016947, eq=ICRS, rs=2
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (297.12712939935+23.69421016947)[ICRS], at Epoch=J2015.5 (pos.angDistance)
_RAJ200019 48 30.5110558440 "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+23 41 39.156610092 "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)
_RAB195019 46 22.7909013239 "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+23 34 06.451248007 "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)
_Glon060.3592170302454 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-01.0090375402538 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)

RAICRS297.12712939935 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+23.69421016947 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)

GAIA1828309548645480960  (i) ID of Gaia source, as given by the Gaia DR2 catalogue (GAIA_ID) (meta.id;meta.main)
WISEJ194830.51+234139.2  (i) ID of WISE object, as given by the AllWISE catalogue (WISE_ID) (meta.id.cross)
RAWdeg297.1271364 deg Right Ascension of WISE source (J2000), as given by the AllWISE catalogue (WISE_RA) (pos.eq.ra)
DEWdeg 23.6942233 deg Declination of WISE source (J2000), as given by the AllWISE catalogue (WISE_DEC) (pos.eq.dec)
gmag15.369710 mag Gaia G magnitude, as given by the Gaia DR2 catalogue (G_MAG) (phot.mag;em.opt)
W1mag 10.337 mag WISE w1mpro magnitude, as given by the AllWISE catalogue (W1_MAG) (phot.mag;em.IR.3-4um)
W2mag 10.432 mag WISE w2mpro magnitude, as given by the AllWISE catalogue (W2_MAG) (phot.mag;em.IR.4-8um)
W3mag 10.266 mag WISE w3mpro magnitude, as given by the AllWISE catalogue (W3_MAG) (phot.flux.density;em.IR.8-15um)
W4mag 8.778 mag WISE w4mpro magnitude, as given by the AllWISE catalogue (W4_MAG) (phot.flux.density;em.IR.15-30um)
MatchP 9.9998790934643156e-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 1.1874774583354228e+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 3.7300675131524006e+00  Astrometric logarithmic likelihood ratio of Gaia-WISE match, as described by equation 38 of Wilson & Naylor (2018MNRAS.473.5570W) (XI) (stat.likelihood)
ContP1 3.2186341178127303e-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 3.8436339058437838e-02  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 5.6514021102955128e-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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