A dataset provided by the European Space Agency

Proposal ID 074440
Title The dark matter distribution in 0.9 < z < 1.1 clusters
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DOI https://doi.org/10.5270/esa-fxuy8mi
Principal Investigator, PI Dr Monique Arnaud
Abstract We propose to measure the mass profiles of a complete sample of massive galaxyclusters at 0.9< z< 1.15, with a precision similar to that currently obtainedfor local objects. We will assess the evolution of the dark matter concentrationat cluster scales, a critical test of theoretical scenario of structureformation. This data set will also constrain the evolution of fundamentalmass-proxy relations and the evolution of the gas entropy and pressure profilesin the high mass regime, a test of gravitational gas heating
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2014-05-05T10:59:17Z/2015-02-23T21:40:27Z
Version 21.51_20241115_1113
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 2016-03-12T23:00:00Z
Last Update 2026-07-09
Keywords "pressure profiles", "complete sample", "gravitational gas heating", "mass profiles", "mass regime", "dark matter distribution", "gas entropy", "massive galaxy cluster", "data set", "cluster scales", "local objects", "structure formation", "dark matter concentration"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Monique Arnaud, 2016, 'The dark matter distribution in 0.9 < z < 1.1 clusters', 21.51_20241115_1113, European Space Agency, https://doi.org/10.5270/esa-fxuy8mi
Rights Data hosted in the ESA Space Science Archives are distributed under the CC BY-NC 3.0 IGO license.