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=1506861
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ColumnValue  Explain   (UCD)
_RAJ200020 20 08.7200 "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+16 43 53.800 "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)
_RAB195020 17 51.3484 "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+16 34 22.653 "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)
_Glon058.3296512 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-10.9787972 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)
1506861recno 1506861  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

FieldC2016P16  Name of the original survey image field from which the component was derived. (obs.field)
Xpos 273.82 pix X position (RA direction) of the radio source (pos.cartesian.x;instr.det)
Ypos 689.17 pix Y position (Dec direction) of the radio source (pos.cartesian.y;instr.det)
NVSS202008+164353  (i) Source name (Note 1)   (meta.id;meta.main)
RAJ200020 20 08.72 "h:m:s" (i) Right Ascension J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000+16 43 53.8 "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 0.7 arcsec Mean error on Dec (stat.error;pos.eq.dec)
S1.4 30.1 mJy Integrated 1.4GHz flux density of radio source (phot.flux.density;em.radio.750-1500MHz)
e_S1.4 1.0 mJy Mean error on S1.4 (stat.error)
l_MajAxis<  Limit flag on MajAxis (meta.code.error;phys.angSize)
MajAxis 20.7 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 16.1 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 -0.11 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 0.47 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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