VizieR

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VizieR

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VIII/4/radio4c Fourth Cambridge Survey (4C) (Pilkington+ 1965; Gower+ 1967)
Fourth Cambridge Radio Survey Data (4844 rows)
  recno=1509
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ColumnValue  Explain   (UCD)
_RAJ200012 30 49.85 "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+12 23 32.2 "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 28 18.00 "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+12 40 06.0 "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)
_Glon283.78262 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+74.49277 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)
1509recno 1509  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

4C+12.45  The 4C number (Note)   (meta.id;meta.main)
RA195012 28 18.0 "h:m:s" (i) Right ascension equinox 1950.0 (Note)   (pos.eq.ra;meta.main)
DE1950+12 40.1 "d:m:s" (i) Dec. (pos.eq.dec;meta.main)
FluxDen 1050.0 Jy Flux density (1.0E-26 W/m2/Hz) at 178MHz (Note)   (phot.flux.density;em.radio.100-200MHz)
ErrClas115  Position and flux error class (in number) (Note)   (stat.error)
GLON283.8 deg Galactic longitude, System II. (pos.galactic.lon)
GLAT 74.5 deg Galactic latitude, System II. (pos.galactic.lat)
ErrClas2a  Position & flux error class (character form) (Note)   (stat.error)
com3C274*  Remarks (Note)   (meta.note)

_RA.icrs12 30 49.8 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+12 23.5 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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