RBSC-NVSS sample. I. (Bauer+, 2000)

Details RBSC-NVSS sample. I. (Bauer+, 2000) RBSC-NVSS sample. I. (Bauer+, 2000)

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ycat..21290547b&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/129/547. Originally published in: 2000ApJS..129..547B

Computer Science

4

Radio Sources, Surveys, Cross Identifications

Scientific paper

We cross-identified the ROSAT Bright Source Catalog (RBSC, Cat. ) and the NRAO VLA Sky Survey (NVSS, Cat. ) to construct the RBSC-NVSS sample of the brightest X-ray sources (>=0.1 counts/s~10-12erg/cm2/s in the 0.1-2.4keV band) that are also radio sources (S>=2.5mJy at 1.4GHz) in the 7.8sr of extragalactic sky with |b|>15° and δ>-40°. The sky density of NVSS sources is low enough that they can be reliably identified with RBSC sources having rms positional uncertainties >=10". We used the more accurate radio positions to make reliable X-ray/radio/optical identifications down to the POSS plate limits. We obtained optical spectra for many of the bright identifications lacking published redshifts. The resulting X-ray/radio sample is unique in its size (1557 objects), composition (a mixture of nearly normal galaxies, Seyfert galaxies, quasars, and clusters), and low average redshift [~0.1] (3 data files).

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