VizieR

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VizieR

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J/AJ/131/1872/table2 Fourth VLBA calibrator survey: VCS4 (Petrov+, 2006)
The VCS4 catalog (292 rows)
  recno=149
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200010 12 24.07531300 "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)
_DEJ2000-37 40 05.8810700 "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)
_RAB195010 10 13.77142070 "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)
_DEB1950-37 25 14.2864550 "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)
_Glon271.28300875045 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+15.24311286634 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)
149recno 149  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Cat-   [-C] Category (where C = calibrator) (meta.code)
IVS1010-374  The IVS name (B1950), BHHMM-DDd (meta.id)
VCS4J1012-3740  The IAU name (J2000), JHHMM-DDMM (meta.id;meta.main)
RAJ200010 12 24.075313 "h:m:s" (i) Hour of Right ascension (J2000) (pos.eq.ra;meta.main)
e_RAJ2000 9.18 mas Inflated error in Right Ascension (stat.error;pos.eq.ra)
DEJ2000-37 40 05.88107 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
e_DEJ2000 23.53 mas Inflated error in Declination (stat.error;pos.eq.dec)
Corr 0.869  Correlation between Right Ascension and Declination errors (stat.correlation)
Nobs 10  Number of group delays used for position determination (meta.number)
l_T8.6GHz   Upper limit flag on T8.6GHz (meta.code.error)
T8.6GHz 0.10 Jy X-band (8.6GHz) total flux density integrated over entire map (Note 1)   (phot.flux.density;em.radio.6-12GHz)
l_U8.6GHz   Upper limit flag on U8.6GHz (meta.code.error)
U8.6GHz  Jy X-band (8.6GHz) unresolved flux density at longest VLBA baselines (Note 1)   (phot.flux.density;em.radio.6-12GHz)
l_T2.3GHz   Upper limit flag on T2.3GHz (meta.code.error)
T2.3GHz 0.11 Jy S-band (2.3GHz) total flux density integrated over entire map (Note 1)   (phot.flux.density;em.radio.1500-3000MHz)
l_U2.3GHz   Upper limit flag on U2.3GHz (meta.code.error)
U2.3GHz  Jy S-band (2.3GHz) unresolved flux density at longest VLBA baselines (Note 1)   (phot.flux.density;em.radio.1500-3000MHz)
BandX/S  Used band for position estimation (Note 2)   (em.freq)
  
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