New insights on chemical evolution of galaxies: XMM-Newton observations of M82

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dc.creatorRanalli, Piero
dc.creatorOriglia, Livia
dc.creatorComastri, Andrea
dc.creatorMaiolino, Roberto
dc.date2006-07-14
dc.date.accessioned2026-07-07T07:15:41Z
dc.date.available2026-07-07T07:15:41Z
dc.descriptionWe report on the ongoing data analysis of a very deep (~100 ks) XMM-Newton observation of the starburst galaxy M82. We show some details of data analysis and a few results from spatially-resolved spectroscopy with the EPIC cameras. Since M82 is a bright object with a complex spectrum, the data reduction of such a deep observation has posed many challenges both about the involved astrophysical processes and the available data analysis techniques. Vertical (with respect to the galaxy plane) abundance gradients are discovered. The hints for an under-abundance of Oxygen stemming from our previous study are confirmed. The hot X-ray emitting gas is shown to have a multi-temperature distribution.
dc.description6 pages, 5 figures. Proceedings of the workshop "High resolution X-ray spectroscopy: towards XEUS and Con-X" - MSSL, 27 - 28 March 2006
dc.identifierhttps://arxiv.org/abs/astro-ph/0607322
dc.identifierhttp://arxiv.org/abs/astro-ph/0607322
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/113301
dc.subjectAstrophysics
dc.titleNew insights on chemical evolution of galaxies: XMM-Newton observations of M82
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