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Title: First-look XMM-Newton EPIC observations of the prototypical starburst galaxy M82
Authors: Stevens, I. R.
Read, Andrew M.
Bravo-Guerrero, J.
First Published: 1-Aug-2003
Citation: Monthly Notices of the Royal Astronomical Society, 2003, 343 (2)
Abstract: We present initial XMM–Newton EPIC observations of the prototypical starburst galaxy M82. The superwind is seen to extend continuously from the starburst region to the X-ray emission associated with the Hα‘cap’. We also find evidence for a ridge feature, probably associated with the superwind interacting with an H I streamer. Narrow-band images, centred on individual X-ray lines, show differences in morphology, with higher energy lines being less spatially extended, and a systematic shift with energy in the region of peak emission. Spectral fits with two thermal and one power-law component provide a good fit to the spectra of the nuclear and inner wind regions, indicating a multiphase superwind. We discuss the implications of these observations on our understanding of superwinds.
DOI Link: 10.1046/j.1365-8711.2003.06894.x
ISSN: 0035-8711
Type: Journal Article
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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