A dataset provided by the European Space Agency

Proposal ID 040225
Title An X-ray - lensing calibration of cluster mass estimates
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DOI https://doi.org/10.5270/esa-eizdgks
Principal Investigator, PI Dr Ben Maughan
Abstract We have compiled the largest statistically complete sample of galaxy clusterswith weak lensing mass estimates. 32 of the 36 clusters have already beenobserved with XMM-Newton and/or Chandra. With 47ks of XMM-Newton observations,good quality X-ray data can be obtained for the remaining 4, creating a completeX-ray/lensing dataset. For the first time, X-ray and weak lensing mass estimateswill be cross-calibrated in a volume limited sample. This will allow: 1) themeasurement of systematic effects in cluster mass estimates and their effect onderived cosmological constraints; 2) improved calibration of the X-rayobservable - mass scaling relations; and 3) accurate measurements of clusterbaryon fractions.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2006-06-27T12:35:31Z/2007-04-14T00:10:00Z
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 2008-05-01T00:00:00Z
Keywords "complete xray", "volume limited sample", "lensing dataset", "systematic effects", "galaxy cluster", "cosmological constraints", "XMM", "cross calibrated", "xmm newton", "weak lensing mass", "quality xray data", "cluster mass", "cluster baryon fractions", "XMM-Newton", "xray lensing calibration", "improved calibration"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Ben Maughan, 2008, 'An X-ray - lensing calibration of cluster mass estimates', PPS_NOT_AVAILABLE, European Space Agency, https://doi.org/10.5270/esa-eizdgks