VizieR

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VizieR

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VII/285/gdr2ext Gaia DR2 quasar and galaxy classification (Bailer-Jones+, 2019)
GDR2 extragalactic catalogue (2690021 rows)
  recno=983048
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 50 01.2246937497 "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+10 15 01.991735176 "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)
_RAB195000 47 24.9413213453 "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+09 58 42.606774828 "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)
_Glon122.3575098581958 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-52.6196145206128 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)
983048recno 983048  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

GDR22582196701281531904  Gaia-DR2 identification number (source_id) (meta.id;meta.main)
pqso 0.519486  Quasar probability (stat.fit.goodness)
pgal 0.019049  Galaxy probability (stat.fit.goodness)
RA_ICRS 12.50510289062 deg (i) Gaia DR2 right ascension (ICRS) at Ep=2015.5 (added by CDS) (pos.eq.ra;meta.main)
DE_ICRS 10.25055325977 deg (i) Gaia DR2 declination (ICRS) at Ep=2015.5 (added by CDS) (pos.eq.dec;meta.main)

_RA.icrs 12.50510289062 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+10.25055325977 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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