A dataset provided by the European Space Agency

Proposal ID 067547
Title A new Cosmological Study Approach with a Volume Limited X-ray Cluster Sample
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DOI https://doi.org/10.5270/esa-4jwybcu
Principal Investigator, PI Prof Hans Boehringer
Abstract The application of galaxy clusters in constraining cosmological models iscurrently mostly limited by our uncertain knowledge of scaling relations of easyobservables and cluster mass. Most of the scaling relation studies are based onX-ray flux limited samples. Here we propose to take a new approach to studygalaxy cluster properties in a volume-limited sample. From the comparison offlux and volume-limited samples we would be able to determine the intrinsicscatter of scaling relations in an unambiguous way, providing an importantadvance in cluster cosmology studies. Apart from the cosmological application,the volume-limited survey of nearby clusters will also provide a great benchmarksample for all aspects of characterizing the properties of the cluster population.
Publications
Instrument RGS1, EPN, RGS2, EMOS1, OM, EMOS2
Temporal Coverage 2011-04-30T18:05:12Z/2012-02-02T05:56:47Z
Version 17.56_20190403_1200
Mission Description The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations. Since Earths atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
Creator Contact https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published 2013-02-16T00:00:00Z
Keywords "easy observables", "uncertain knowledge", "cluster population", "volume limited survey", "cluster cosmology", "scaling relations", "constraining cosmological models", "galaxy cluster", "cosmological application", "volume limited samples", "scaling relation", "cluster mass", "volume limited sample", "nearby cluster", "galaxy cluster properties", "benchmark sample"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Prof Hans Boehringer, 2013, 'A new Cosmological Study Approach with a Volume Limited X-ray Cluster Sample', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-4jwybcu