VizieR

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VizieR

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I/313/lqrf LQRF: Large Quasar Reference Frame (Andrei+, 2009)
J2000 equatorial coordinates catalog (100165 rows)
  recno=97865
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ColumnValue  Explain   (UCD)
_RAJ200001 25 55.935400 "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+35 10 36.95200 "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 23 05.283363 "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+34 55 02.44092 "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)
_Glon130.849760322 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-27.163928531 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)
97865recno 97865  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ200001 25 55.9354 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+35 10 36.952 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
e_RAJ2000 118.6 mas External RA error (RAcosDE) (stat.error;pos.eq.ra)
e_DEJ2000 62.5 mas External DE error (stat.error;pos.eq.dec)
Nr 6  Number of radio interferometry neighbor positions used to evaluate the external errors (meta.number)
Rmag15.56  Magnitude R (Note 1)   (phot.mag;em.opt.R)
z 0.312   Redshift (1) (Note 2)   (src.redshift)

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

oRA  mas Right ascension offset to the radio position counterpart (RAcosDEC) (Note 2)   (pos.eq.ra;arith.diff)
oDE  mas Declination offset to the radio position counterpart (Note 2)   (pos.eq.dec;arith.diff)
RAr  "h:m:s" Right ascension of the radio position counterpart (J2000.0) (Note 2)   (pos.eq.ra)
DEr  "d:m:s" Declination of the radio position counterpart (J2000.0) (Note 2)   (pos.eq.dec)
  
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