1.4GHz NRAO VLA Sky Survey (NVSS) (Condon+ 1998)

Details 1.4GHz NRAO VLA Sky Survey (NVSS) (Condon+ 1998) 1.4GHz NRAO VLA Sky Survey (NVSS) (Condon+ 1998)

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ycat.8065....0c&link_type=abstract

VizieR On-line Data Catalog: VIII/65. Originally published in: 1998AJ....115.1693C

Physics

3

Radio Sources, Radio Continuum, Surveys

Scientific paper

The NRAO VLA Sky Survey (NVSS) is a radio continuum survey covering the sky north of -40{deg} declination at 1.4GHz. The principal data products of the NVSS are a set of 2326 4x4{deg} continuum "cubes" with three planes containing Stokes I, Q, and U images, plus a catalog of almost 2 million discrete sources stronger than a flux density of about 2.5mJy.
The images all have 45 arcsecond FWHM angular resolution and nearly uniform sensitivity. Their rms brightness fluctuations are approximately 0.45mJy/beam=0.14K (Stokes I) and 0.29mJy/beam=0.09K (Stokes Q and U). The rms uncertainties in right ascension and declination vary from <= ~1arcsecond for the 400,000 sources stronger than 15mJy to 7arcseconds at the survey limit.
A more detailed description is provided in the printed paper and at the NVSS website at http://www.cv.nrao.edu/nvss/ where all data products, user software, and updates were released as soon as they were produced and verified.
(1 data file).

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