A dataset provided by the European Space Agency

Proposal ID 050521
Title The Local Galaxy Cluster Mass Function of the Brightest Clusters in the Sky - I
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DOI https://doi.org/10.5270/esa-3h2i9z5
Principal Investigator, PI Dr Thomas Reiprich
Abstract Galaxy clusters have proven to be highly competitive and complementarycosmological probes. For the next major breakthrough more reliable massestimates and, therefore, a better understanding of cluster physics areessential. We propose to complete XMM-Newton observations of a flux-limitedsample of the 64 X-ray brightest clusters in the sky to (i) take full advantageof 3 Ms of XMM-Newton data already available, (ii) determine very precise gastemperature profiles, (iii) characterize merging clusters by direct comparisonto simulations, (iv) update the luminosity-mass relation, (v) construct the mostprecise local cluster mass function, (vi) improve constraints on OmegaM andsigma8 significantly, and (vii) provide a reliable statistical baseline for comparison to high-redshift samples.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2007-06-16T19:12:07Z/2008-02-25T09:10:21Z
Version PPS_NOT_AVAILABLE
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 2009-04-01T00:00:00Z
Keywords "complementary cosmological probes", "brightest cluster", "xmm newton data", "luminosity mass relation", "XMM", "merging cluster", "cluster physics", "major breakthrough", "iv update", "redshift samples", "complete xmm newton", "galaxy cluster", "xray brightest cluster", "reliable mass", "XMM-Newton", "reliable statistical baseline", "flux limited sample"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Thomas Reiprich, 2009, 'The Local Galaxy Cluster Mass Function of the Brightest Clusters in the Sky - I', PPS_NOT_AVAILABLE, European Space Agency, https://doi.org/10.5270/esa-3h2i9z5