A dataset provided by the European Space Agency

Name 065038
Title New Cosmological Constraints from X-ray Clusters
URL

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DOI https://doi.org/10.5270/esa-2cwf12s
Author Prof Steven Allen
Description Massive clusters of galaxies currently offer two complementary approaches to cosmology, through studies of cluster gas-mass fractions and the growth of cosmic structure. We propose to pursue both of these approaches simultaneously by completing X-ray follow-up of the MACS sample. X-ray observations of this sample, the leading, statistically complete sample of very massive clusters, have already proved to be a powerful cosmological tool. The proposed observations would significantly improve our understanding of cluster scaling relations for the growth of structure, allow a detailed statistical study of the evolution and impact of cool clusters cores, and identify hot, relaxed clusters suitable for cosmological studies through the gas-mass fraction method.
Publication No observations found associated with the current proposal
Instrument EPN, OM, RGS1, RGS2, EMOS1, EMOS2
Temporal Coverage 2010-04-30T20:26:07Z/2011-06-13T15:56:28Z
Version 17.56_20190403_1200
Mission Description The European Space Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's 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 Earth's 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 2012-06-24T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2012-06-24T00:00:00Z, 065038, 17.56_20190403_1200. https://doi.org/10.5270/esa-2cwf12s