Proposal ID | 007374 |
Title | 3C 391: A Key to the Mixed Morphology SNR Mystery |
Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0073740101 |
DOI | https://doi.org/10.5270/esa-if14dsd |
Principal Investigator, PI | Dr Robert Petre |
Abstract | The Mixed Morphology remnants are a newly identified SNR class, with radioshells and centrally filled thermal X-ray emission. Most of their attributes,except for their X-ray emission can be explained by the explosion of a massive,windless star inside a molecular cloud. X-ray emission arises either fromevaporation of shocked clouds or interior gas reheated by thermal conduction. Wepropose a 30ks EPIC observation of 3C 391, a prototypical MM SNR, to performplasma diagnostics and detailed spectral mapping. 3C 391s ASCA spectrum showsevidence of a recombining, as contrasted to an ionizing, plasma, indicating thepresence of dynamically old gas. EPIC spectroscopic confirmation will resolvethe issue of the X-ray emission from MM SNRs. |
Publications |
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Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
Temporal Coverage | 2003-03-21T14:08:48Z/2003-04-18T18:58:02Z |
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 | 2004-05-17T00:00:00Z |
Last Update | 2025-01-27 |
Keywords | "perform plasma diagnostics", "EPIC", "windless star inside", "mixed morphology remnant", "3c 391", "asca spectrum", "epic spectroscopic confirmation", "radio shells", "thermal conduction", "xray emission", "interior gas reheated", "molecular cloud", "spectral mapping", "supernova remnant class", "mm supernova remnant", "shocked clouds" |
Publisher And Registrant | European Space Agency |
Credit Guidelines | European Space Agency, Dr Robert Petre, 2004, '3C 391: A Key to the Mixed Morphology SNR Mystery', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-if14dsd |