Abstract

We report on the results of XMM-Newton observations of nearby starburst galaxies that form part of a multi-wavelength study of all phases of extraplanar gas in external galaxies, which is conducted in order to assess the importance of halos as repositories of a metal-enriched medium and their significance in terms of galactic chemical evolution and possible metal enrichment of the intergalactic medium (IGM). XMM-Newton observations of the starburst galaxy NGC 1511 revealed e.g. the presence of a previously unknown extended hot gaseous phase of its interstellar medium (ISM), which partly extends out of the disk plane. We also present preliminary results based on XMM-Newton observations of NGC 1808, NGC 4666 and NGC 3628.

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