VizieR

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VizieR

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VIII/90/first12 The FIRST Survey Catalog, Version 12Feb16 (Becker+ 2012)
The FIRST survey catalog, 12Feb16 Version (946464 rows)
  recno=789624
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Note: The column FIRST provides a link to the FIRST cutout image server (see also the original FIRST search engine)

ColumnValue  Explain   (UCD)
_RAJ200012 21 15.65600 "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)
_DEJ2000-00 23 11.8600 "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 18 41.86623 "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)
_DEB1950-00 06 33.6583 "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)
_Glon286.93766510 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+61.54446135 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)
789624recno 789624  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

FIRSTJ122115.6-002311  (i) FIRST Source designation (Note 1)   (meta.id;meta.main)

FITSFITS  Get a fully WCS-qualified FITS image of the target (meta.ref.url)

RAJ200012 21 15.656 "h:m:s" (i) Right Ascension J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000-00 23 11.86 "d:m:s" (i) Declination J2000 (Note 2)   (pos.eq.dec;meta.main)
p(S) 0.014   [0,1] Probability of being a side lobe (Note 3)   (stat.fit.goodness)
Fpeak 1.22 mJy Peak flux density at 1.4GHz (Note 4)   (phot.flux.density;em.radio.750-1500MHz)
Fint 0.77 mJy Integrated flux density at 1.4GHz (Note 4)   (phot.flux.density;em.radio.750-1500MHz)
Rms 0.141 mJy Local noise estimate (Note 5)   (stat.stdev;instr.det.noise)
MajAxis 0.00 arcsec Major axis (FWHM) (Note 6)   (phys.angSize)
MinAxis 0.00 arcsec Minor axis (FWHM) (Note 6)   (phys.angSize)
PA123.8 deg [0/180] Position angle (Note 6)   (pos.posAng)
fMaj 5.34 arcsec Fitted MajAxis before deconvolution (Note 7)   (phys.angSize;meta.modelled)
fMin 4.07 arcsec Fitted MinAxis before deconvolution (Note 7)   (phys.angSize;meta.modelled)
fPA156.8 deg [0/180] Fitted PA before deconvolution (Note 7)   (pos.posAng;meta.modelled)
Field12210-00260G  Name of the coadded image containing the source (Note 8)   (obs.image)
N1 0   [0/10] Number of SDSS-DR8 counterparts (Note 9)   (obs.image)
r1  arcsec [0/8] Closest SDSS match (Note 9)   (pos;arith.diff)
m1  mag SDSS i magnitude of closest SDSS match (Note 9)   (phot.mag;em.opt.I)
c1    [sg-] SDSS class: s=star, g=galaxy (src.class.starGalaxy)
N2 0  Number of 2MASS counterparts (Note 10)   (obs.image)
r2  arcsec [0/8] Closest 2MASS match (Note 10)   (pos;arith.diff)
m2  mag 2MASS Ks mag. of closest 2MASS match (Note 10)   (phot.mag;em.IR.K)
  
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