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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=912896
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ColumnValue  Explain   (UCD)
_RAJ200013 29 29.20007 "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+11 37 28.8980 "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)
_RAB195013 27 00.64939 "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+11 52 57.4646 "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)
_Glon334.72293864 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+72.10625346 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)
912896recno 912896  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000202.371667 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+11.624694 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
Sp 2.90 mJy 1.4GHz peak flux (phot.flux.density;em.radio.750-1500MHz)
e_Sp 0.40 mJy The rms in PFlux (stat.error;src.spType)
Nobs 3  Number of observations (meta.number)
t2450279.247 d Mean Julian day of the observation (Note 1)   (time.epoch;obs;stat.mean)
dt 0.998 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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