A dataset provided by the European Space Agency

Proposal ID 050360
Title An XMM-Newton Survey of an X-ray Selected Sample of Groups and Poor Clusters
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DOI https://doi.org/10.5270/esa-p030jyf
Principal Investigator, PI Dr John Mulchaey
Abstract We propose an XMM-Newton survey of a sample of nearby galaxy groups and poorclusters selected from the ROSAT All-Sky Survey. The groups have been selectedto overlap with the Sloan Digital Sky Survey. The XMM observations will becombined with optical imaging and spectroscopy from the SDSS to: 1) Determinethe properties of the intragroup medium in a representative sample of X-raygroups; 2) Extend the recent studies of the temperature and mass profiles ofrich clusters down to the scales of groups; 3) Measure entropy profiles toconstrain the role of heating and cooling in groups; 4) Provide a comparisonsample for intermediate-redshift groups being studied with XMM and 5) Comparethe AGN populations in X-ray groups to clusters.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2007-05-22T15:30:11Z/2007-11-11T22:56:06Z
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 2009-01-17T00:00:00Z
Keywords "entropy profiles", "SDSS", "mass profiles", "XMM", "comparison sample", "rich cluster", "intermediate redshift", "optical imaging", "intragroup medium", "xmm newton survey", "nearby galaxy", "agn populations", "XMM-Newton", "ROSAT", "sky survey"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr John Mulchaey, 2009, 'An XMM-Newton Survey of an X-ray Selected Sample of Groups and Poor Clusters', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-p030jyf