VizieR

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

VizieR

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I/251/rsc95r01 VLBI International Celestial Reference Frame (ICRF) (Ma+, 1997)
ICRF RSC(WGRF)95 R 01 all sources (608 rows)
  recno=331
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ColumnValue  Explain   (UCD)
_RAJ200012 39 46.65139600 "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)
_DEJ2000-68 45 30.8926000 "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)
_RAB195012 36 44.53128054 "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)
_DEB1950-68 29 02.4804487 "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)
_Glon301.87053403019 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 -5.91086603753 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)
331recno 331  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ICRFJ123946.6-684530  ICRF designation (Note)   (meta.id;meta.main)
IERS1236-684  IERS designation (Note)   (meta.id)
cD   [DCO] Defining / Candidate / Other category of source (Note)   (meta.note)
X    X band structure index (spect.index;em.X-ray)
S    S band structure index (spect.index)
Hip    [* ] Link to Hipparcos reference frame (Note)   (meta.ref;pos.frame)
RAJ200012 39 46.651396 "h:m:s" (i) Right Ascension (J2000) hours (pos.eq.ra;meta.main)
DEJ2000-68 45 30.89260 "d:m:s" (i) Declination (J2000) degrees (pos.eq.dec;meta.main)
e_RAJ2000 0.000155 s Uncertainty in Right Ascension (stat.error;pos.eq.ra)
e_DEJ2000 0.00100 arcsec Uncertainty in Declination (stat.error;pos.eq.dec)
Corr-0.358   [-1,1] RA/Dec correlation (stat.correlation)
Ep2449261.5 d Mean date of observation (JD) (time.epoch)
O12448044.3 d First date of observation (JD) (time.epoch;obs)
Ol2449896.1 d Last Julian date of observation (JD) (time.epoch;obs)
Nsess 3  Number of observing sessions (meta.number)
Ndel 24  Number of delay, delay rate obs. pairs (meta.number)
  
elapse time 1

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Rules of usage of VizieR data

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