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Calibrating the HISA temperature: Measuring the temperature of the Riegel-Crutcher cloud

Denes, Helga; McClure-Griffiths, Naomi; Dickey, John; Dawson, Joanne R; Murray, Claire

Description

HI self-absorption (HISA) clouds are clumps of cold neutral hydrogen (H I) visible in front of warm background gas, which makes them ideal places to study the properties of the cold atomic component of the interstellar medium. The Riegel-Crutcher (R-C) cloud is the most striking HISA feature in the Galaxy. It is one of the closest HISA clouds to us and is located in the direction of the Galactic Centre, which provides a bright background. High-resolution interferometric measurements have...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
URI: http://hdl.handle.net/1885/173590
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/sty1384

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