Mathematics – Logic
Scientific paper
Nov 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ycat..21290435b&link_type=abstract
VizieR On-line Data Catalog: J/ApJS/129/435. Originally published in: 2000ApJS..129..435B
Mathematics
Logic
2
Clusters: Galaxy, Surveys, X-Ray Sources
Scientific paper
In the construction of an X-ray-selected sample of galaxy clusters for cosmological studies, we have assembled a sample of 495 X-ray sources found to show extended X-ray emission in the first processing of the ROSAT All-Sky Survey. The sample covers the celestial region with declination {delta}>=0{deg} and Galactic latitude |b|>=20{deg} and comprises sources with a count rate >=0.06counts/s and a source extent likelihood of L>=7. In an optical follow-up identification program we find 378 (76%) of these sources to be clusters of galaxies.
(10 data files).
Böhringer Hans
Burg Richard
Giacconi Ricardo
Huchra John P.
Komossa Stefanie
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