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Cloud formation in the atomic and molecular phase: H I self absorption (HISA) towards a giant molecular filament

Wang, Y.; Bihr, S; Beuther, H.; Rugel, M; Soler, Juan Diego; Ott, Juergen; Kainulainen, Jouni; Schneider, N.; Klessen, Ralf S; Glover, Simon C. O.; McClure-Griffiths, Naomi; Goldsmith, Paul F; Johnston, K.G.; Menten, K M; Ragan, S.; Anderson, L.D.; Urquhart, Jamess S; Linz, Hendrik; Roy, N.; Smith, R. J.; Bigiel, F.; Henning, T.; Longmore, Steven N


Molecular clouds form from the atomic phase of the interstellar medium. However, characterizing the transition between the atomic and the molecular interstellar medium (ISM) is a complex observational task. Here we address cloud formation processes by combining H I self absorption (HISA) with molecular line data. Column density probability density functions (N-PDFs) are a common tool for examining molecular clouds. One scenario proposed by numerical simulations is that the N-PDF evolves from a...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201935866


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