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=1748360
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ColumnValue  Explain   (UCD)
_RAJ200023 39 14.6100 "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)
_DEJ2000-04 32 23.800 "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)
_RAB195023 36 40.3111 "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)
_DEB1950-04 49 01.260 "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)
_Glon082.4414170 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-61.5981601 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)
1748360recno 1748360  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

FieldC2344M04  Name of the original survey image field from which the component was derived. (obs.field)
Xpos 796.47 pix X position (RA direction) of the radio source (pos.cartesian.x;instr.det)
Ypos 383.20 pix Y position (Dec direction) of the radio source (pos.cartesian.y;instr.det)
NVSS233914-043223  (i) Source name (Note 1)   (meta.id;meta.main)
RAJ200023 39 14.61 "h:m:s" (i) Right Ascension J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000-04 32 23.8 "d:m:s" (i) Declination J2000 (Note 2)   (pos.eq.dec;meta.main)
e_RAJ2000 0.19 s Mean error on RA (stat.error;pos.eq.ra)
e_DEJ2000 3.0 arcsec Mean error on Dec (stat.error;pos.eq.dec)
S1.4 5.5 mJy Integrated 1.4GHz flux density of radio source (phot.flux.density;em.radio.750-1500MHz)
e_S1.4 0.5 mJy Mean error on S1.4 (stat.error)
l_MajAxis<  Limit flag on MajAxis (meta.code.error;phys.angSize)
MajAxis 36.4 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 34.2 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 -0.02 mJy Integrated linearly polarized flux density (phot.flux.density)
polPA  deg [-90,90] The position angle of polFlux (Note 4)   (pos.posAng;phys.polarization)
e_polFlux 0.42 mJy Mean error on polFlux (stat.error)
e_polPA  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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