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VizieR

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VIII/79A/catalog The VLA Low-frequency Sky Survey at 74MHz (Cohen+ 2007)
The VLSS Catalog, Version 2007-06-26 (68311 rows)
  recno=48291
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ColumnValue  Explain   (UCD)
_RAJ200015 12 50.7200 "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)
_DEJ2000-09 06 00.500 "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)
_RAB195015 10 09.0859 "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)
_DEB1950-08 54 48.363 "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)
_Glon351.2898297 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+40.1380868 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)
48291recno 48291  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
VLSS1512.8-0906  VLSS name (Name derived from truncated J2000 position; a suffix A or B was added in case of name collision) (meta.id;meta.main)

RAJ200015 12 50.72 "h:m:s" (i) Right Ascension J2000 (pos.eq.ra;meta.main)
e_RAJ2000 0.21 s Mean error on RA (stat.error;pos.eq.ra)
DEJ2000-09 06 00.5 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
e_DEJ2000 3.2 arcsec Mean error on Declination (stat.error;pos.eq.dec)
Si 5.56 Jy Integrated flux density at 74MHz (phot.flux.density;em.radio.20-100MHz)
e_Si 0.60 Jy Mean error on Si (Note 1)   (stat.error)
l_MajAx    [<] Limit flag on MajAx (meta.code.error)
MajAx 36.4 arcsec Major axis of deconvolved component size (phys.angSize)
e_MajAx 7.1 arcsec Mean error on MajAx (stat.error)
l_MinAx<   [<] Limit flag on MinAx (meta.code.error)
MinAx 39.8 arcsec Minor axis of deconvolved component size (phys.angSize;src)
e_MinAx  arcsec Mean error on MinAx (stat.error)
PA115.80 deg Position angle of Major Ax (pos.posAng)
e_PA 18.70 deg Mean error on PA (stat.error)
Field1520-050  Field designation (Note 2)   (obs.field)
Xpos1279 pix X position of source on map (pos.cartesian.x;instr.det)
Ypos 435 pix Y position of source on map (pos.cartesian.y;instr.det)

SPECFINDSPECFIND  Show the spectrum of the source, on top of SPECFIND (Vollmer et al., Cat. VIII/74) (meta.ref.url)
  
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