VizieR

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VizieR

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I/337/qso Gaia DR1 (Gaia Collaboration, 2016)
*Auxilliary Quasar Solution for the QSOs that were matched to ICRF2 sources (qso_icrf2) (original column names in green) (2191 rows)
  recno=130
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200001 21 56.861705328 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2015. (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+04 22 24.73458816 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2015. (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)
_RAB195001 19 21.387353916 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J2015. (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+04 06 44.16352115 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J2015. (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)
_Glon137.250595815247 deg Galactic longitude at Epoch=J2015. (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-57.647541437086 deg Galactic latitude at Epoch=J2015. (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)
130recno 130  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

solution_id2887471466167664679  Solution ID (solution_id) (Note G1)   (meta.id;meta.version)
source_id2563396667354026496  (i) Source ID (source_id) (G2) (Note 1)   (meta.id;meta.main)
ref_epoch2015.0 yr [2015.0] Reference epoch in Julian years (ref_epoch) (Note G4)   (meta.ref;time.epoch)
ra020.4869237722 deg (i) Right ascension (ICRS) at epoch 2015.0 (ra) (Note 1)   (pos.eq.ra;meta.main)
ra_error 1.405 mas Standard error of right ascension (ra_error) (stat.error;pos.eq.ra)
dec+04.3735373856 deg (i) Declination (ICRS) at epoch 2015.0 (dec) (Note 2)   (pos.eq.dec;meta.main)
dec_error 0.631 mas Standard error of declination (dec_error) (stat.error;pos.eq.dec)
ra_dec_corr-0.320  Correlation between right ascension and declination (ra_dec_corr) (stat.correlation)
phot_g_mean_mag19.443 mag (i) G-band mean magnitude (phot_g_mean_mag) (G20) (Note 3)   (phot.mag;stat.mean;em.opt)
astrometric_priors_used6   [3/6] Type of prior used in in the astrometric solution (astrometric_priors_used) (Note G15)   (meta.code)
icrf2_matchJ012156.8+042224  ICRF2 designation of the source matched to this Gaia source (HHMMSS.s+DDMMSS) (icrf2_match) (meta.id.cross)
rot_flag0   [0/3] Rotation flag (rot_flag) (Note 4)   (meta.code)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
_RA.icrs020.4869237722 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+04.3735373856 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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