VizieR

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VizieR

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VIII/65/nvss 1.4GHz NRAO VLA Sky Survey (NVSS) (Condon+ 1998)
The NVSS Catalog (1773484 rows)
  recno=918706
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ColumnValue  Explain   (UCD)
_RAJ200012 25 46.9700 "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 39 43.700 "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 23 14.8254 "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 56 19.904 "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)
_Glon279.1239585 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+74.3358094 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)
918706recno 918706  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

FieldC1232P12  Name of the original survey image field from which the component was derived. (obs.field)
Xpos 875.92 pix X position (RA direction) of the radio source (pos.cartesian.x;instr.det)
Ypos 672.93 pix Y position (Dec direction) of the radio source (pos.cartesian.y;instr.det)
NVSS122546+123943  (i) Source name (Note 1)   (meta.id;meta.main)
RAJ200012 25 46.97 "h:m:s" (i) Right Ascension J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000+12 39 43.7 "d:m:s" (i) Declination J2000 (Note 2)   (pos.eq.dec;meta.main)
e_RAJ2000 0.03 s Mean error on RA (stat.error;pos.eq.ra)
e_DEJ2000 0.6 arcsec Mean error on Dec (stat.error;pos.eq.dec)
S1.4 119.4 mJy Integrated 1.4GHz flux density of radio source (phot.flux.density;em.radio.750-1500MHz)
e_S1.4 4.6 mJy Mean error on S1.4 (stat.error)
l_MajAxis   Limit flag on MajAxis (meta.code.error;phys.angSize)
MajAxis 29.3 arcsec Fitted (deconvolved) major axis of radio source (phys.angSize;em.radio;meta.modelled)
l_MinAxis   Limit flag on MinAxis (meta.code.error;phys.angSize)
MinAxis 16.0 arcsec Fitted (deconvolved) minor axis of radio source (phys.angSize;em.radio;meta.modelled)
PA 88.7 deg [-90, 90] Position angle of fitted major axis (pos.posAng;meta.modelled)
e_MajAxis 1.8 arcsec Mean error on MajAxis (stat.error;phys.angSize)
e_MinAxis 2.9 arcsec Mean error on MinAxis (stat.error;phys.angSize)
e_PA 1.9 deg Mean error on PA (stat.error)
f_resFlux    [PS* ] Residual Code (Note 3)   (meta.code)
resFlux  mJy Peak residual flux, in mJy/beam (Note 3)   (phot.flux.density;em.radio)
polFlux 0.53 mJy Integrated linearly polarized flux density (phot.flux.density)
polPA-72.4 deg [-90,90] The position angle of polFlux (Note 4)   (pos.posAng;phys.polarization)
e_polFlux 0.80 mJy Mean error on polFlux (stat.error)
e_polPA24.1 deg Mean error on polPA (stat.error)

ImageImage  FITS Image of the target, about 200x200 pixels of 5x5arcsec (or consult http://www.cv.nrao.edu/nvss/postage.shtml) (meta.ref.url)
  
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