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Proposal ID 008423
Title Measuring the Mass Distribution in z~0.2 Cluster Lenses with XMM, HST and CFHT
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DOI https://doi.org/10.5270/esa-k88hyl3
Principal Investigator, PI Dr Jean-Paul Kneib
Abstract We propose moderately deep XMM EPIC observations of an X-ray luminosity limitedsample of z~0.2 cluster-lenses for a comprehensive study of the mass distri-bution in clusters. HST/WFPC2 and CFHT/12K observations awarded to us for mostof these clusters will allow us to determine accurately the lensing massdistribution using both strong and weak lensing. The proposed XMM observationsof this unique sample will enable us to measure in detail the gas and tempera-ture distribution, from which the total baryonic mass can be determined. We willthus:1)precisely constrain the mass distribution of z~0.2 clusters,2)test pre-dictions of a universal mass profile and the importance of substructure,3) ca-librate the cosmologically important M-T and L-T relations for nearby clusters.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2001-01-15T21:27:23Z/2002-12-13T11:23:26Z
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 2004-02-02T00:00:00Z
Last Update 2025-01-27
Keywords "universal mass profile", "EPIC", "tempera ture distribution", "lensing mass distribution", "nearby clusters", "mass distribution", "cluster lenses", "2test pre dictions", "mass distri bution", "XMM", "total baryonic mass", "weak lensing", "1precisely constrain", "ca librate", "HST"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Jean-Paul Kneib, 2004, 'Measuring the Mass Distribution in z~0.2 Cluster Lenses with XMM, HST and CFHT', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-k88hyl3