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Proposal ID 020051
Title HOT GAS AND MAGNETIC FIELDS AS SENSITIVE TRACERS OF GALACTIC INTERACTIONS
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0200510201
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DOI https://doi.org/10.5270/esa-d091rvw
Principal Investigator, PI Dr MATTHIAS EHLE
Abstract We propose a study of the hot gas distribution in the apparently isolated spiralgalaxy NGC 4414. This galaxy is especially interesting as our magnetic fieldobservations show strong effects of external influences, whereas in the opticaldomain almost no signs of such effects are observed. We propose a study of thehot diffuse gas in NGC 4414 to build up a physical scenario of the galacticinteractions and to distinguish between basic interaction mechanisms, namelygravitational encounters and ram pressure stripping. The second possibilitywould imply that an ablation by the external gas may be important even ingalaxies thought to be isolated.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2005-01-04T21:36:21Z/2005-06-09T22:50:20Z
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 2006-06-29T00:00:00Z
Keywords "hot gas", "magnetic field", "external influences", "sensitive tracers", "magnetic fields", "galactic interactions", "physical scenario", "ngc 4414", "hot diffuse gas", "basic interaction mechanisms", "ram pressure", "optical domain", "hot gas distribution", "NGC 4414", "external gas", "namely gravitational encounters"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr MATTHIAS EHLE, 2006, 'HOT GAS AND MAGNETIC FIELDS AS SENSITIVE TRACERS OF GALACTIC INTERACTIONS', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-d091rvw