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=924765
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ColumnValue  Explain   (UCD)
_RAJ200012 30 35.0100 "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+41 38 51.400 "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 28 08.8732 "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+41 55 24.972 "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)
_Glon138.0054845 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+74.8646256 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)
924765recno 924765  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

FieldC1220P40  Name of the original survey image field from which the component was derived. (obs.field)
Xpos 37.66 pix X position (RA direction) of the radio source (pos.cartesian.x;instr.det)
Ypos 915.41 pix Y position (Dec direction) of the radio source (pos.cartesian.y;instr.det)
NVSS123035+413851  (i) Source name (Note 1)   (meta.id;meta.main)
RAJ200012 30 35.01 "h:m:s" (i) Right Ascension J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000+41 38 51.4 "d:m:s" (i) Declination J2000 (Note 2)   (pos.eq.dec;meta.main)
e_RAJ2000 0.05 s Mean error on RA (stat.error;pos.eq.ra)
e_DEJ2000 0.6 arcsec Mean error on Dec (stat.error;pos.eq.dec)
S1.4 648.6 mJy Integrated 1.4GHz flux density of radio source (phot.flux.density;em.radio.750-1500MHz)
e_S1.4 20.0 mJy Mean error on S1.4 (stat.error)
l_MajAxis   Limit flag on MajAxis (meta.code.error;phys.angSize)
MajAxis127.2 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 67.7 arcsec Fitted (deconvolved) minor axis of radio source (phys.angSize;em.radio;meta.modelled)
PA-59.8 deg [-90, 90] Position angle of fitted major axis (pos.posAng;meta.modelled)
e_MajAxis 1.1 arcsec Mean error on MajAxis (stat.error;phys.angSize)
e_MinAxis 1.1 arcsec Mean error on MinAxis (stat.error;phys.angSize)
e_PA 0.3 deg Mean error on PA (stat.error)
f_resFluxS*   [PS* ] Residual Code (Note 3)   (meta.code)
resFlux 416 mJy Peak residual flux, in mJy/beam (Note 3)   (phot.flux.density;em.radio)
polFlux 3.11 mJy Integrated linearly polarized flux density (phot.flux.density)
polPA 19.6 deg [-90,90] The position angle of polFlux (Note 4)   (pos.posAng;phys.polarization)
e_polFlux11.41 mJy Mean error on polFlux (stat.error)
e_polPA13.8 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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