VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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J/ApJ/873/132/table1 ICRF3 radio-loud quasars with Gaia DR2 data (Makarov+, 2019)
Best quality radio-optical reference frame objects (2119 rows)
  recno=181
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ColumnValue  Explain   (UCD)
_RAJ200017 23 59.44512336 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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+76 53 11.5518516 "d:m:s" Declination (FK5, Equinox=J2000.0) (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)
_RAB195017 26 09.50006646 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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+76 55 43.5519178 "d:m:s" Declination (FK4, Equinox=B1950.0) (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)
_Glon108.66804197340 deg Galactic longitude (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+31.28409672073 deg Galactic latitude (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)
181recno 181  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

IERS1726+769  IERS designation (HHMM+DDd; B1950) (meta.id;meta.main)
RAICRS260.997688014 deg (i) ICRF3 right ascension (pos.eq.ra;meta.main)
DEICRS+76.886542181 deg (i) [-85.6/88.2] ICRF3 declination (pos.eq.dec;meta.main)
Gaia1657138334307449728  Gaia DR2 unique source identifier (meta.id.cross)
Plx 0.363 mas [-7.858/4.369] Gaia DR2 parallax (pos.parallax)
e_Plx 0.138 mas [0.019/2.617] Uncertainty in Gaia parallax (stat.error;pos.parallax)
Gmag18.539 mag [13.26/21.2] Gaia DR2 G magnitude (phot.mag;em.opt)
BPmag18.532 mag [13.59/21.8] Gaia DR2 BP magnitude (phot.mag;em.opt.B)
RPmag18.083 mag [12.6/20.9] Gaia DR2 RP magnitude (phot.mag;em.opt.R)
z 0.680   [0.018/4.72] Redshift (Note 1)   (src.redshift)
d1 0.126 mas [-32.4/19.5] Gaia-ICRF3 difference in RA (times cos(DE)) (pos.eq.ra;arith.diff)
d2 0.059 mas [-11.8/27.6] Gaia-ICRF3 difference in DEC (pos.eq.dec;arith.diff)
u 0.426   [0.026/3] Normalized position difference (Note 2)   (pos;arith.diff)

ICRF2 2  Display data from the ICRF2 (I/323) and VLBI ICRF2 (Fey+, 2015, J/AJ/150/58) (meta.ref.url)
OCARS 1  Display data from Titov+, 2009, J/A+A/506/1477 (meta.ref.url)
SimbadGaia DR2 1657138334307449728  ask the Simbad data-base about this object (meta.ref.url)
  
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