VizieR

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

VizieR

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J/ApJ/737/45/table1 Variable 1.4GHz radio sources from NVSS and FIRST (Ofek+, 2011)
Observing times of NVSS sources (1773484 rows)
  recno=296625
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ColumnValue  Explain   (UCD)
_RAJ200000 17 48.34007 "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)
_DEJ2000-21 20 54.8990 "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)
_RAB195000 15 16.46583 "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)
_DEB1950-21 37 34.4773 "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)
_Glon068.15096390 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-80.40379526 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)
296625recno 296625  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000004.451417 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-21.348583 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
Sp 13.70 mJy 1.4GHz peak flux (phot.flux.density;em.radio.750-1500MHz)
e_Sp 0.60 mJy The rms in PFlux (stat.error;src.spType)
Nobs 6  Number of observations (meta.number)
t2449413.044 d Mean Julian day of the observation (Note 1)   (time.epoch;obs;stat.mean)
dt 482.749 d Time span of the observations (Note)   (time.interval)

NVSSNVSS  Cross-match with NVSS (Cat. VIII/65) within 1" (meta.ref.url)
  
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Rules of usage of VizieR data

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