VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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I/313/lqrf LQRF: Large Quasar Reference Frame (Andrei+, 2009)
J2000 equatorial coordinates catalog (100165 rows)
  recno=5241
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ColumnValue  Explain   (UCD)
_RAJ200001 21 56.867133 "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 24.88600 "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 21.395052 "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 44.25439 "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)
_Glon137.250619567 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-57.647495438 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)
5241recno 5241  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ200001 21 56.8671 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+04 22 24.886 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
e_RAJ2000 97.9 mas External RA error (RAcosDE) (stat.error;pos.eq.ra)
e_DEJ2000 70.7 mas External DE error (stat.error;pos.eq.dec)
Nr 7  Number of radio interferometry neighbor positions used to evaluate the external errors (meta.number)
Rmag18.93  Magnitude R (Note 1)   (phot.mag;em.opt.R)
z 0.637   Redshift (1) (Note 2)   (src.redshift)

LQACLQAC  Details from LQAC (Souchay et al. 2009, Cat. J/A+A/494/799) (meta.ref.url)

oRA 81.2 mas Right ascension offset to the radio position counterpart (RAcosDEC) (Note 2)   (pos.eq.ra;arith.diff)
oDE 151.8 mas Declination offset to the radio position counterpart (Note 2)   (pos.eq.dec;arith.diff)
RAr01 21 56.8617 "h:m:s" Right ascension of the radio position counterpart (J2000.0) (Note 2)   (pos.eq.ra)
DEr+04 22 24.734 "d:m:s" Declination of the radio position counterpart (J2000.0) (Note 2)   (pos.eq.dec)
  
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