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The ROSAT-ESO flux-limited X-ray (REFLEX) galaxy cluster survey. IV : the X-ray luminosity function.

Böhringer, H. and Collins, C. A. and Guzzo, L. and Schuecker, P. and Voges, W. and Neumann, D. M. and Schindler, S. and Chincarini, G. and De Grandi, S. and Cruddace, R.G. and Edge, A. C. and Reiprich, T. H. and Shaver, P. (2002) 'The ROSAT-ESO flux-limited X-ray (REFLEX) galaxy cluster survey. IV : the X-ray luminosity function.', Astrophysical journal., 566 (1). pp. 93-102.


The X-ray galaxy cluster sample from the REFLEX Cluster Survey, which covers the X-ray brightest galaxy clusters detected in the ROSAT All-Sky Survey in the southern sky, is used to construct the X-ray luminosity function of clusters in the local universe. With 452 clusters detected above an X-ray flux limit of 3 × 10-12 ergs s-1 cm-2 in 4.24 sr of the sky, this sample is the most comprehensive X-ray cluster sample with a well-documented selection function, providing the best current census of the local X-ray galaxy cluster population. In this paper we discuss the construction of the luminosity function and the effects of flux measurement errors and of variations with sample region, and we compare the results with those from previous surveys.

Item Type:Article
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Keywords:Cosmology, Observations, Galaxies, Clusters, Large-scale structure of universe, X-rays.
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Publisher statement:© 2002. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
Date accepted:No date available
Date deposited:03 January 2014
Date of first online publication:February 2002
Date first made open access:No date available

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