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=1384101
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ColumnValue  Explain   (UCD)
_RAJ200018 41 21.6000 "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+29 09 45.400 "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)
_RAB195018 39 24.4703 "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+29 06 49.718 "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)
_Glon058.4354946 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+14.8541940 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)
1384101recno 1384101  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

FieldC1840P28  Name of the original survey image field from which the component was derived. (obs.field)
Xpos 440.75 pix X position (RA direction) of the radio source (pos.cartesian.x;instr.det)
Ypos 792.10 pix Y position (Dec direction) of the radio source (pos.cartesian.y;instr.det)
NVSS184121+290945  (i) Source name (Note 1)   (meta.id;meta.main)
RAJ200018 41 21.60 "h:m:s" (i) Right Ascension J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000+29 09 45.4 "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 63.7 mJy Integrated 1.4GHz flux density of radio source (phot.flux.density;em.radio.750-1500MHz)
e_S1.4 2.3 mJy Mean error on S1.4 (stat.error)
l_MajAxis   Limit flag on MajAxis (meta.code.error;phys.angSize)
MajAxis 25.4 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 17.6 arcsec Fitted (deconvolved) minor axis of radio source (phys.angSize;em.radio;meta.modelled)
PA-11.8 deg [-90, 90] Position angle of fitted major axis (pos.posAng;meta.modelled)
e_MajAxis 2.1 arcsec Mean error on MajAxis (stat.error;phys.angSize)
e_MinAxis  arcsec Mean error on MinAxis (stat.error;phys.angSize)
e_PA 3.1 deg Mean error on PA (stat.error)
f_resFluxP*   [PS* ] Residual Code (Note 3)   (meta.code)
resFlux 26 mJy Peak residual flux, in mJy/beam (Note 3)   (phot.flux.density;em.radio)
polFlux 0.32 mJy Integrated linearly polarized flux density (phot.flux.density)
polPA 3.7 deg [-90,90] The position angle of polFlux (Note 4)   (pos.posAng;phys.polarization)
e_polFlux 0.63 mJy Mean error on polFlux (stat.error)
e_polPA34.0 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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