Catalog Service: NORAS galaxy cluster survey. I.
Description
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.
This section describes who is responsible for this resource
Publisher: CDSivo://CDS[Pub. ID]
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This section provides some status information: the resource version, availability, and relevant dates.
This resource was registered on: 2005 Jul 18 21:37:22ZThis resource description was last updated on: 2021 Oct 21 00:00:00Z
This section describes what the resource is, what it contains, and how it might be relevant.
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This section describes the data's coverage over the sky, frequency, and time.
Wavebands covered:
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This is service that does not comply with any IVOA standard but instead provides access to special capabilities specific to this resource.
This is a standard IVOA service that takes as input an ADQL or PQL query and returns tabular data.
This is a standard IVOA service that takes as input a position in the sky and a radius and returns catalog records with positions within that radius.
Cone search capability for table J/ApJS/129/435/table1 (The NORAS Cluster X-Ray Source Catalog)
VERB=1
VERB=3
Cone search capability for table J/ApJS/129/435/table2 (The Noncluster X-Ray Sources among the Extended RASS 1 Sources)
Cone search capability for table J/ApJS/129/435/table3 (The AGNs in Clusters and Noncluster Sources in the Line of Sight with Probable Clusters)
Cone search capability for table J/ApJS/129/435/table6 (Additional ACO89 (Cat. <VII/110>) Clusters Detected as X-Ray Sources in the 9h-14h Region)
Cone search capability for table J/ApJS/129/435/table8 (Additional Clusters Detected as Extended X-Ray Sources in the 9h-14h Region)
Developed with the support of the National Science Foundation under Cooperative Agreement AST0122449 with the Johns Hopkins University The NAVO project is a member of the International Virtual Observatory Alliance
This NAVO Application is hosted by the Space Telescope Science Institute