VizieR

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VizieR

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I/323/icrf2 International Celestial Reference Frame 2, ICRF2 (Ma+, 2009)
ICRF2 catalog (tn35.pdf) (3414 rows)
  recno=2248
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ColumnValue  Explain   (UCD)
_RAJ200015 12 50.5329249101 "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)
_DEJ2000-09 05 59.829587800 "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)
_RAB195015 10 08.8990541423 "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)
_DEB1950-08 54 47.682343574 "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)
_Glon351.2892496683245 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+40.1387428868638 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)
2248recno 2248  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ICRFJ151250.5-090559  International Celestial Reference Frame name, (JHHMMSS.s+DDMMSS) (pos.frame)
IVS1510-089  International VLBI Service name, (HHMM+DDd, B1950 equinox) (meta.id)
IERS1510-089  International Earth Rotation and Reference Systems Service name (HHMM+DDd, B1950 equinox) (pos)
flD   [DVN] Flag on source role (Note 1)   (meta.note)
RAJ200015 12 50.53292491 "h:m:s" (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
e_RAJ2000 0.00000310 s Inflated formal error in Right Ascension (stat.error;pos.eq.ra)
DEJ2000-09 05 59.8295878 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
e_DEJ2000 0.0000560 arcsec Inflated formal error in Declination (stat.error;pos.eq.dec)
Corr-0.160   [-1/1] Correlation between RA and Dec (stat.correlation)
Ep49643.6 d Mean observation epoch (MJD) (time.epoch;obs;stat.mean)
Of44773.8 d First observation epoch (MJD) (time.epoch;obs)
Ol54713.7 d Last observation epoch (MJD) (time.epoch;obs)
Nexp 354  Number of VLBI sessions (meta.number)
Nobs 5184  Number of VLBI observations (meta.number)
  
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