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THE MAGELLANIC STREAM: BREAK-UP and ACCRETION onto the HOT GALACTIC CORONA

Tepper-Garcia, Thor; Bland-Hawthorn, Joss; Sutherland, Ralph

Description

The Magellanic H i Stream (≈2 × 109 Mo [d/55 kpc]2) encircling the Galaxy at a distance d is arguably the most important tracer of what happens to gas accreting onto a disk galaxy. Recent observations reveal that the Stream's mass is in fact dominated (3:1) by its ionized component. Here we revisit the origin of the mysterious Hα recombination emission observed along much of its length that is overly bright (∼150-200 mR) for the known Galactic ultraviolet (UV) background (≈20-40 mR [d/55...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/98700
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/813/2/94

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