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2000ApJS..129..547B - Astrophys. J., Suppl. Ser., 129, 547-562 (2000/August-0)

RBSC-NVSS sample. I. Radio and optical identifications of a complete sample of 1556 bright X-ray sources.

BAUER F.E., CONDON J.J., THUAN T.X. and BRODERICK J.J.

Abstract (from CDS):

We cross-identified the ROSAT Bright Source Catalog (RBSC) and the NRAO VLA Sky Survey (NVSS) to construct the RBSC-NVSS sample of the brightest X-ray sources (≥0.1 counts.s–1 ∼ 10–12 ergs.cm–2.s–1 in the 0.1-2.4 keV band) that are also radio sources (S≥2.5 mJy at 1.4 GHz) in the 7.8 sr 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 [<z≳0.1].

Abstract Copyright:

Journal keyword(s): Catalogs - Radio Continuum: General - Surveys - X-Rays: General

VizieR on-line data: <Available at CDS (J/ApJS/129/547): table1.dat table2.dat notes.dat>

Simbad objects: 1627

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2019.09.19-21:45:49

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