Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003mnras.341.1093b&link_type=abstract
Monthly Notice of the Royal Astronomical Society, Volume 341, Issue 4, pp. 1093-1108.
Astronomy and Astrophysics
Astronomy
23
Catalogues, Surveys, Galaxies: Clusters: General, X-Rays: Galaxies: Clusters
Scientific paper
X-ray selection provides a way of creating well-defined samples of distant clusters free from projection effects and with a well-understood selection function. This paper describes the creation of one such catalogue - the Southern Serendipitous High-redshift Archival ROSAT Cluster (SHARC) survey - which covers an area of 17.7 deg2 and consists of 32 clusters with redshifts between 0.05 and 0.7 and X-ray luminosities between 7 × 1042 and 4 × 1044 erg s-1: the high-redshift subsample contains 16 clusters with z>= 0.3 and X-ray luminosities greater than 2 × 1043 erg s-1 (luminosities are quoted for the 0.5-2.0 keV energy band). The catalogue is in good agreement with those of other ROSAT cluster surveys for those fields in common. The high-redshift sample is consistent with there being no evolution in the cluster X-ray luminosity function at luminosities ~1044 erg s-1: the implications of this work have been described elsewhere.
Burke Daren J.
Collins Charles Aloysius
Nichol Robert C.
Romer Kathy A.
Sharples Ray M.
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