A dataset provided by the European Space Agency

Proposal ID 055185
Title The dark matter distribution in high redshift clusters: probing evolution.
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DOI https://doi.org/10.5270/esa-fqtt7h1
Principal Investigator, PI Dr Monique ARNAUD
Abstract We propose to measure the mass profiles of a complete sample of massive, relaxedgalaxy clusters at z greater than 0.5, with a precision equal to that currentlyobtained for local objects. We will assess the evolution of the dark matterconcentration at cluster scales, a critical test of theoretical scenario ofstructure formation. This data set will also strongly constrain the evolution offundamental mass-proxy relations and the evolution of the gas entropy profilesin the high mass regime, a critical test of gravitational gas heating.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2008-07-13T08:03:58Z/2009-03-23T01:10:19Z
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 2010-04-02T00:00:00Z
Keywords "mass regime", "cluster scales", "dark matter distribution", "mass profiles", "redshift clusters", "gas entropy profiles", "dark matter concentration", "local objects", "complete sample", "data set", "precision equal", "probing evolution ..", "structure formation", "gravitational gas heating", "relaxed galaxy cluster"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Monique ARNAUD, 2010, 'The dark matter distribution in high redshift clusters: probing evolution.', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-fqtt7h1