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An ATCA Survey of HI Absorption in the Magellanic Clouds. I. H I Gas Temperature Measurements in the Small Magellanic Cloud

Jameson, Katherine; McClure-Griffiths, Naomi; Liu, Boyang; Dickey, John; Staveley-Smith, Lister; Stanimirovic, Snezana; Dempsey, James; Dawson, Joanne R; D�nes, Helga; Bolatto, Alberto; Li, Di; Wong, Tony


We present the first results from the Small Magellanic Cloud portion of a new Australia Telescope Compact Array H i absorption survey of both of the Magellanic Clouds, comprising over 800 hr of observations. Our new H i absorption line data allow us to measure the temperature and fraction of cold neutral gas in a low-metallicity environment. We observed 22 separate fields, targeting a total of 55 continuum sources, against 37 of which we detected H i absorption; from this we measure a...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4365/ab3576
Access Rights: Open Access


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