A dataset provided by the European Space Agency

Name 014721
Title Galaxy Wakes as Probes of Cluster Merger Dynamics
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0147210101
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0147210201
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0147210301

DOI 10.5270/esa-5ntz5af
Author Prof Trevor Ponman
Description Wakes generated as galaxies move through hot intracluster gas are important in their own right, since stripping and accretion can have profound effects on galaxy evolution. Wakes also provide valuable diagnostics of galaxy properties and cluster dynamics. Previous X-ray observatories have been able to study only a small number of especially bright and nearby galaxy wakes. With XMM, simulations show that we have the possibility of imaging a whole sample of wakes within a single cluster of suitably chosen temperature. We propose to use such a sample of wakes as weather vanes, to map the gas flows which are predicted to occur during cluster mergers, by observing the nearby Hercules cluster, which is ideal for this purpose.
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Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2003-03-10T21:15:03Z/2003-08-11T12:04:15Z
Version 17.56_20190403_1200
Mission Description The European Space Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's 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 Earth's 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 2004-09-02T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2004-09-02T00:00:00Z, 014721, 17.56_20190403_1200. https://doi.org/10.5270/esa-5ntz5af