VizieR

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

VizieR

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I/323/icrf2 International Celestial Reference Frame 2, ICRF2 (Ma+, 2009)
ICRF2 catalog (tn35.pdf) (3414 rows)
  recno=2541
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ColumnValue  Explain   (UCD)
_RAJ200017 23 59.4451013700 "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+76 53 11.551647900 "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 09.5000431324 "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+76 55 43.551715721 "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)
_Glon108.6680419156493 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+31.2840967553435 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)
2541recno 2541  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ICRFJ172359.4+765311  International Celestial Reference Frame name, (JHHMMSS.s+DDMMSS) (pos.frame)
IVS1726+769  International VLBI Service name, (HHMM+DDd, B1950 equinox) (meta.id)
IERS1726+769  International Earth Rotation and Reference Systems Service name (HHMM+DDd, B1950 equinox) (pos)
flV   [DVN] Flag on source role (Note 1)   (meta.note)
RAJ200017 23 59.44510137 "h:m:s" (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
e_RAJ2000 0.00007955 s Inflated formal error in Right Ascension (stat.error;pos.eq.ra)
DEJ2000+76 53 11.5516479 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
e_DEJ2000 0.0003912 arcsec Inflated formal error in Declination (stat.error;pos.eq.dec)
Corr 0.519   [-1/1] Correlation between RA and Dec (stat.correlation)
Ep49827.5 d Mean observation epoch (MJD) (time.epoch;obs;stat.mean)
Of49827.5 d First observation epoch (MJD) (time.epoch;obs)
Ol49827.5 d Last observation epoch (MJD) (time.epoch;obs)
Nexp 1  Number of VLBI sessions (meta.number)
Nobs 110  Number of VLBI observations (meta.number)
  
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