VizieR

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IV/35/wn18_b10

Gaia DR2-WISE Galactic Plane Matches (Wilson+, 2018)

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IDs, positions, magnitudes and probabilities (118,964,029 sources) (118964029 rows)

-c=309.91917190525 +31.74961410208, eq=ICRS, rs=2

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*Column*	*Value*		*Explain (UCD)*
_r	0.000	arcsec	Distance from center (309.91917190525+31.74961410208)[ICRS], at Epoch=J2015.5 (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	20 39 40.6012572600	"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) (POS_EQ_RA)
_DEJ2000	+31 44 58.610767488	"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) (POS_EQ_DEC)
_RAB1950	20 37 38.5175041479	"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) (POS_EQ_RA)
_DEB1950	+31 34 19.120762391	"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) (POS_EQ_DEC)
_Glon	073.3418217110786	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) (POS_GAL_LON)
_Glat	-05.9893078357041	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) (POS_GAL_LAT)

RAICRS	309.91917190525	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) (POS_EQ_RA_MAIN)
DEICRS	+31.74961410208	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) (POS_EQ_DEC_MAIN)

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

GAIA	1862506005206349056		⁽ⁱ⁾ ID of Gaia source, as given by the Gaia DR2 catalogue (GAIA_ID) (meta.id;meta.main) (ID_MAIN)
WISE	J203940.58+314500.0		⁽ⁱ⁾ ID of WISE object, as given by the AllWISE catalogue (WISE_ID) (meta.id.cross) (ID_CROSSID)
RAWdeg	309.9191070	deg	Right Ascension of WISE source (J2000), as given by the AllWISE catalogue (WISE_RA) (pos.eq.ra) (POS_EQ_RA_OTHER)
DEWdeg	31.7500213	deg	Declination of WISE source (J2000), as given by the AllWISE catalogue (WISE_DEC) (pos.eq.dec) (POS_EQ_DEC_OTHER)
gmag	18.789751	mag	Gaia G magnitude, as given by the Gaia DR2 catalogue (G_MAG) (phot.mag;em.opt) (PHOT_MAG_OPTICAL)
W1mag	15.344	mag	WISE w1mpro magnitude, as given by the AllWISE catalogue (W1_MAG) (phot.mag;em.IR.3-4um) (PHOT_IR_3.4)
W2mag	15.896	mag	WISE w2mpro magnitude, as given by the AllWISE catalogue (W2_MAG) (phot.mag;em.IR.4-8um) (PHOT_IR_4.2)
W3mag	12.141	mag	WISE w3mpro magnitude, as given by the AllWISE catalogue (W3_MAG) (phot.flux.density;em.IR.8-15um) (PHOT_FLUX_IR_12)
W4mag	8.727	mag	WISE w4mpro magnitude, as given by the AllWISE catalogue (W4_MAG) (phot.flux.density;em.IR.15-30um) (PHOT_FLUX_IR_25)
MatchP	9.9535644835631343e-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) (STAT_PROBABILITY)
eta	1.1571487665863407e+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) (STAT_LIKELIHOOD-RATIO)
xi	1.1739795878029382e+00		Astrometric logarithmic likelihood ratio of Gaia-WISE match, as described by equation 38 of Wilson & Naylor (2018MNRAS.473.5570W) (XI) (stat.likelihood) (STAT_LIKELIHOOD-RATIO)
ContP1	9.9998457966392407e-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) (STAT_PROBABILITY)
ContP10	9.9930810187053343e-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) (STAT_PROBABILITY)
avgCont	4.1342025914903474e-01		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) (STAT_PROBABILITY)

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