VizieR

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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=735
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ColumnValue  Explain   (UCD)
_RAJ200001 21 56.86169280 "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+04 22 24.7342944 "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)
_RAB195001 19 21.38963036 "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+04 06 44.1025504 "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)
_Glon137.25059575404 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-57.64754152816 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)
735recno 735  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

IERS0119+041  IERS designation (HHMM+DDd; B1950) (meta.id;meta.main)
RAICRS020.486923720 deg (i) ICRF3 right ascension (pos.eq.ra;meta.main)
DEICRS+04.373537304 deg (i) [-85.6/88.2] ICRF3 declination (pos.eq.dec;meta.main)
Gaia2563396667354026496  Gaia DR2 unique source identifier (meta.id.cross)
Plx-1.320 mas [-7.858/4.369] Gaia DR2 parallax (pos.parallax)
e_Plx 0.678 mas [0.019/2.617] Uncertainty in Gaia parallax (stat.error;pos.parallax)
Gmag19.627 mag [13.26/21.2] Gaia DR2 G magnitude (phot.mag;em.opt)
BPmag19.679 mag [13.59/21.8] Gaia DR2 BP magnitude (phot.mag;em.opt.B)
RPmag19.029 mag [12.6/20.9] Gaia DR2 RP magnitude (phot.mag;em.opt.R)
z 0.637   [0.018/4.72] Redshift (Note 1)   (src.redshift)
d1 -0.546 mas [-32.4/19.5] Gaia-ICRF3 difference in RA (times cos(DE)) (pos.eq.ra;arith.diff)
d2 0.303 mas [-11.8/27.6] Gaia-ICRF3 difference in DEC (pos.eq.dec;arith.diff)
u 1.261   [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 2563396667354026496  ask the Simbad data-base about this object (meta.ref.url)
  
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