Other
Scientific paper
Jun 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ycat..73010881e&link_type=abstract
VizieR On-line Data Catalog: J/MNRAS/301/881. Originally published in: 1998MNRAS.301..881E
Other
3
Clusters: Galaxy, X-Ray Sources, Surveys
Scientific paper
We present a 90 per cent flux-complete sample of the 201 X-ray-brightest clusters of galaxies in the northern hemisphere (δ>=0°), at high Galactic latitudes (|b|>= 20°), with measured redshifts z<=0.3 and fluxes higher than 4.4x10-12erg/cm2/s in the 0.112.4 keV band. The sample, called the ROSAT Brightest Cluster Sample (BCS), is selected from ROSAT All-Sky Survey data and is the largest X-ray-selected cluster sample compiled to date. In addition to Abell clusters, which form the bulk of the sample, the BCS also contains the X-ray-brightest Zwicky clusters and other clusters selected from their X-ray properties alone. Effort has been made to ensure the highest possible completeness of the sample and the smallest possible contamination by non-cluster X-ray sources. X-ray fluxes are computed using an algorithm tailored for the detection and characterization of X-ray emission from galaxy clusters. These fluxes are accurate to better than 15 per cent (mean 1σ error). (2 data files).
Allen Steven W.
Boehringer Hans
Crawford Carolin S.
Ebeling Harald
Edge Alastair C.
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