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=1288144
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ColumnValue  Explain   (UCD)
_RAJ200017 27 27.6500 "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+45 30 40.000 "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)
_RAB195017 26 01.1898 "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+45 33 04.808 "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)
_Glon071.4323133 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+33.2806517 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)
1288144recno 1288144  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

FieldC1720P44  Name of the original survey image field from which the component was derived. (obs.field)
Xpos 198.35 pix X position (RA direction) of the radio source (pos.cartesian.x;instr.det)
Ypos 879.16 pix Y position (Dec direction) of the radio source (pos.cartesian.y;instr.det)
NVSS172727+453040  (i) Source name (Note 1)   (meta.id;meta.main)
RAJ200017 27 27.65 "h:m:s" (i) Right Ascension J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000+45 30 40.0 "d:m:s" (i) Declination J2000 (Note 2)   (pos.eq.dec;meta.main)
e_RAJ2000 0.04 s Mean error on RA (stat.error;pos.eq.ra)
e_DEJ2000 0.6 arcsec Mean error on Dec (stat.error;pos.eq.dec)
S1.4 913.9 mJy Integrated 1.4GHz flux density of radio source (phot.flux.density;em.radio.750-1500MHz)
e_S1.4 27.4 mJy Mean error on S1.4 (stat.error)
l_MajAxis<  Limit flag on MajAxis (meta.code.error;phys.angSize)
MajAxis 17.2 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 16.2 arcsec Fitted (deconvolved) minor axis of radio source (phys.angSize;em.radio;meta.modelled)
PA  deg [-90, 90] Position angle of fitted major axis (pos.posAng;meta.modelled)
e_MajAxis  arcsec Mean error on MajAxis (stat.error;phys.angSize)
e_MinAxis  arcsec Mean error on MinAxis (stat.error;phys.angSize)
e_PA  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 20.76 mJy Integrated linearly polarized flux density (phot.flux.density)
polPA 83.5 deg [-90,90] The position angle of polFlux (Note 4)   (pos.posAng;phys.polarization)
e_polFlux 0.41 mJy Mean error on polFlux (stat.error)
e_polPA 0.4 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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