Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 341, Issue 4, Pages 1093-1108Publisher
OXFORD UNIV PRESS
DOI: 10.1046/j.1365-8711.2003.06378.x
Keywords
catalogues; surveys; galaxies : clusters : general; X-rays : galaxies : clusters
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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 deg(2) and consists of 32 clusters with redshifts between 0.05 and 0.7 and X-ray luminosities between 7 x 10(42) and 4 x 10(44) erg s(-1): the high-redshift subsample contains 16 clusters with z greater than or equal to 0.3 and X-ray luminosities greater than 2 x 10(43) 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 similar to10(44) erg s(-1): the implications of this work have been described elsewhere.
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