The ROSAT-ESO Flux-limited X-Ray (REFLEX) Galaxy Cluster Survey. IV. The X-Ray Luminosity Function

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.

[1]  L. Guzzo,et al.  The ROSAT-ESO flux limited X-ray (REFLEX) galaxy cluster survey. I. The construction of the cluster sample ? , 2000, astro-ph/0012266.

[2]  J. Einasto.  Large scale structure , 2000, astro-ph/0011332.

[3]  L. Guzzo,et al.  The ROSAT-ESO Flux-Limited X-Ray (REFLEX) Galaxy Cluster Survey III: The Power Spectrum , 2000, astro-ph/0012105.

[4]  L. Guzzo,et al.  The ROSAT-ESO Flux-Limited X-ray (REFLEX) galaxy cluster survey - II. The spatial correlation function , 2000, astro-ph/0008245.

[5]  R. Giacconi,et al.  The Northern ROSAT All-Sky (NORAS) Galaxy Cluster Survey. I. X-Ray Properties of Clusters Detected as Extended X-Ray Sources , 2000, astro-ph/0003219.

[6]  H. Boehringer,et al.  The empirical X-ray luminosity-gravitational mass relation for clusters of galaxies , 1999, astro-ph/9909035.

[7]  R. Nichol,et al.  The Bright SHARC Survey: The X-Ray Cluster Luminosity Function , 1999, astro-ph/9906163.

[8]  W. Voges,et al.  The X-Ray Luminosity Function of Nearby Rich and Poor Clusters of Galaxies:A Cosmological Probe , 1999, astro-ph/9903117.

[9]  S. Borgani,et al.  Cosmological Constraints from the ROSAT Deep Cluster Survey , 1999, astro-ph/9901017.

[10]  L. Guzzo,et al.  The X-Ray Luminosity Function of Bright Galaxy Clusters in the Local Universe , 1998, astro-ph/9812423.

[11]  Liverpool John Moores University,et al.  A Deficit of High-Redshift, High-Luminosity X-Ray Clusters: Evidence for a High Value of Ωm? , 1998, astro-ph/9802153.

[12]  Daryl J. Daley,et al.  An Introduction to the Theory of Point Processes , 2013 .

[13]  L. Guzzo,et al.  Probing the Cosmic Large-Scale Structure with the REFLEX Cluster Survey : Profile of an ESO Key Programme , 1998, astro-ph/9809382.

[14]  Brian R. McNamara,et al.  Evolution of Cluster X-Ray Luminosities and Radii: Results from the 160 Square Degree ROSAT Survey , 1998 .

[15]  Maxim Markevitch,et al.  The LX-T Relation and Temperature Function for Nearby Clusters Revisited , 1998, astro-ph/9802059.

[16]  Ray M. Sharples,et al.  The Southern SHARC Survey: the z = 0.3-0.7 Cluster X-Ray Luminosity Function , 1997 .

[17]  R. Nichol,et al.  On the Evolution of X-Ray Clusters at High Redshift , 1997, astro-ph/9701143.

[18]  G. Bryan,et al.  The X-Ray Luminosity Function and Gas Mass Function for Optically Selected Poor and Rich Clusters of Galaxies , 1996, astro-ph/9606120.

[19]  S. Cole,et al.  Using the evolution of clusters to constrain Omega , 1996, astro-ph/9601088.

[20]  A. Liddle,et al.  The cluster abundance in flat and open cosmologies , 1995, astro-ph/9511007.

[21]  R. Tibshirani,et al.  An Introduction to the Bootstrap , 1995 .

[22]  J. Trümper.  ROSAT--A New Look at the X-ray Sky. , 1993, Science.

[23]  S. White,et al.  The Correlation function of clusters of galaxies and the amplitude of mass fluctuations in the Universe , 1993, astro-ph/9602052.

[24]  R. Cen,et al.  The Mass Function of Clusters of Galaxies , 1993 .

[25]  S. Morris,et al.  The extended medium sensitivity survey distant cluster sample - X-ray data and interpretation of the luminosity evolution , 1992 .

[26]  Keith A. Arnaud,et al.  A measurement of the mass fluctuation spectrum from the cluster X-ray temperature function , 1991 .

[27]  Keith A. Arnaud,et al.  An X-ray flux-limited sample of clusters of galaxies : evidence for evolution of the luminosity function. , 1990 .

[28]  J. Dickey,et al.  H I in the Galaxy , 1990 .

[29]  G. Abell,et al.  A Catalog of Rich Clusters of Galaxies , 1989 .

[30]  A. Lauberts,et al.  The surface photometry catalogue of the ESO-Uppsala galaxies , 1989 .

[31]  N. Grevesse,et al.  Abundances of the elements: Meteoritic and solar , 1989 .

[32]  R. Schild,et al.  The medium sensitivity survey - A new sample of X-ray sources with optical identifications and the revised extragalactic log N-log S , 1984 .

[33]  H. T. MacGillivray,et al.  New results with the COSMOS machine , 1984 .

[34]  M. Kowalski.  An x-ray survey of clusters of galaxies , 1984 .

[35]  Peter J. Serlemitsos,et al.  Complete x-ray sample of the high-latitude (Vertical BarbVertical Bar>20/sup 0/) sky from HEAO 1 A-2: Log N-log S and luminosity functions , 1982 .

[36]  S. C. Perrenod.  Evolution of cluster X-ray sources. IV. The luminosity function , 1980 .

[37]  Barham W. Smith,et al.  Soft X-ray spectrum of a hot plasma. , 1977 .

[38]  P. Schechter.  An analytic expression for the luminosity function for galaxies , 1976 .

[39]  Franklin A. Graybill,et al.  Introduction to The theory , 1974 .

[40]  David L. Jauncey,et al.  Maximum-Likelihood Estimation of the Number-Flux Distribution of Radio Sources in the Presence of Noise and Confusion , 1973 .

[41]  T. Teichmann,et al.  The Measurement of Power Spectra , 1960 .

[42]  A. Eddington,et al.  The correction of statistics for accidental error , 1940 .