SIMBAD references

1998A&AS..127..145B - Astron. Astrophys., Suppl. Ser., 127, 145-152 (1998/January-2)

The Hamburg/RASS Catalogue of optical identifications.

BADE N., ENGELS D., VOGES W., BECKMANN V., BOLLER T., CORDIS L., DAHLEM M., ENGLHAUSER J., MOLTHAGEN K., NASS P., STUDT J. and REIMERS D.

Abstract (from CDS):

We present the Hamburg/RASS Catalogue of optical identifications (HRC). The catalogue contains optical information about objects inside the error circles of ROSAT All-Sky Survey (RASS) sources. The information was gathered from objective prism and direct plates taken by the Hamburg Quasar Survey (HQS). The plates enable an effective selection of several X-ray emitting classes of objects, as there are galaxies, AGN, QSOs, galaxy clusters and several types of galactic stars, in particular M dwarfs, hot white dwarfs and cataclysmic variables. In the current state (November 1996) the HRC contains information about 3847 X-ray positions and covers about 8480deg2 of the high galactic latitude (|b|>20°) northern sky. For 81.2% of the X-ray sources a plausible optical counterpart is given. The counterparts of the remaining sources are probably faint (B>18.5) AGN and galaxy clusters. The HRC is available electronically together with finding charts taken from the digitized direct HQS plates.

Abstract Copyright:

Journal keyword(s): X-ray sources: general - galaxies - stars

VizieR on-line data: <Available at CDS (J/A+AS/127/145): rassid1.dat optical1.dat rassid2.dat optical2.dat sky.ps>

Nomenclature: optical catalogues: [BEV98] RX JHHMM.m+DDMM NNN N=10528.

Simbad objects: 7

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