VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) 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=447
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ColumnValue  Explain   (UCD)
_RAJ200017 27 27.65080800 "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+45 30 39.7313900 "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 01.19039347 "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+45 33 04.5394487 "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)
_Glon071.43222490534 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+33.28064117523 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)
447recno 447  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ICRFJ172727.6+453039  ICRF designation (Note)   (meta.id;meta.main)
IERS1726+455  IERS designation (Note)   (meta.id)
cD   [DCO] Defining / Candidate / Other category of source (Note)   (meta.note)
X2   X band structure index (spect.index;em.X-ray)
S1   S band structure index (spect.index)
Hip    [* ] Link to Hipparcos reference frame (Note)   (meta.ref;pos.frame)
RAJ200017 27 27.650808 "h:m:s" (i) Right Ascension (J2000) hours (pos.eq.ra;meta.main)
DEJ2000+45 30 39.73139 "d:m:s" (i) Declination (J2000) degrees (pos.eq.dec;meta.main)
e_RAJ2000 0.000024 s Uncertainty in Right Ascension (stat.error;pos.eq.ra)
e_DEJ2000 0.00026 arcsec Uncertainty in Declination (stat.error;pos.eq.dec)
Corr-0.127   [-1,1] RA/Dec correlation (stat.correlation)
Ep2449590.3 d Mean date of observation (JD) (time.epoch)
O12448721.4 d First date of observation (JD) (time.epoch;obs)
Ol2449918.3 d Last Julian date of observation (JD) (time.epoch;obs)
Nsess 128  Number of observing sessions (meta.number)
Ndel 4185  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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