A dataset provided by the European Space Agency

Proposal ID 069301
Title XMM-Subaru:Complete High Precision Study of Galaxy Clusters for Modern Cosmology
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DOI https://doi.org/10.5270/esa-g8ruk9x
Principal Investigator, PI Dr Yu-Ying Zhang
Abstract We request 382 ks data for 12 clusters to complete our survey of avolume-limited sample of 55 clusters. We investigated the existing data, whichhints a mass dependent bias in the X-ray to weak lensing mass ratios fordisturbed ones. X-ray mass proxies, e.g., Yx, show low scatter, but the bestfits, particularly the slopes, of the mass-observable relations may be biaseddue to this mass dependence. Our program will quantify any mass/radial dependentbias based on three independent probes (X-ray/lensing/velocity dispersion) forsuch a volume-limited sample, and deliver definitive constraints on systematicsfor upcoming cluster cosmology surveys. The dataset will be a major asset forprograms aiming to measure dark energy and programs adding a multi-wavelength focus to studies of cluster physics.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2012-05-27T22:27:26Z/2013-01-01T22:04:46Z
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 2014-02-01T00:00:00Z
Keywords "probes xray", "deliver definitive constraints", ".", "mass observable relations", "mass dependent bias", "radial dependent bias", "multi wavelength focus", "modern cosmology", " yx", "382 data", "velocity dispersion", "volume limited sample", "programs aiming", "XMM", "cluster physics", "cluster cosmology surveys", "dark energy", "major asset", "xray mass proxies", "galaxy cluster", "existing data", "low scatter", "xmm subaru"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Yu-Ying Zhang, 2014, 'XMM-Subaru:Complete High Precision Study of Galaxy Clusters for Modern Cosmology', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-g8ruk9x