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Proposal ID 020322
Title THE COMPLEX DYNAMICS OF THE THERMAL AND NONTHERMAL INTRACLUSTER GAS
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0203220101
DOI https://doi.org/10.5270/esa-6i09w5c
Principal Investigator, PI Dr CRAIG SARAZIN
Abstract We propose observations of two hybrid merging/cooling flow clusters, A115N/S,and A1664/3541 which have bimodal optical and X-ray distributions. Generally,mergers and cooling flows are anticorrelated; mergers appear to destroy coolingflows. We will study the time scale and physical conditions for cooling flowdisruption. Both clusters have cooling flow central radio galaxies, which mayalso act to reheat cooled gas. Both clusters have diffuse cluster radio relicsources, which are usually associated with merger shocks. However, our recentobservation of Abell 133 showed that some radio relics may be old radio bubblesfrom cooling flow central radio sources. We will study the relationship betweenradio relics, merger shocks, and cooling flow central radio bubbles.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2004-07-16T22:47:09Z/2004-07-17T11:13:58Z
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 2005-08-15T00:00:00Z
Keywords "nonthermal intracluster gas", "radio relics", "time scale", "cooling flow clusters", "Abell 133", "radio bubbles", "merger shoc", "hybrid merging", "destroy cooling flows", "complex dynamics", "abell 133", "cooling flow disruption", "xray distributions", "reheat cooled gas", "bimodal optical", "physical conditions", "cooling flows"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr CRAIG SARAZIN, 2005, 'THE COMPLEX DYNAMICS OF THE THERMAL AND NONTHERMAL INTRACLUSTER GAS', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-6i09w5c