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The Supershell-Molecular Cloud Connection in the Milky Way and Beyond
Citation
Dawson, JR and McClure-Griffiths, NM and Fukui, Y and Dickey, JM and Wong, T and Hughes, A and Kawamura, A, The Supershell-Molecular Cloud Connection in the Milky Way and Beyond, Proceedings of the International Astronomical Union, 20-24 August 2012, Bejing, China, pp. 83-86. ISSN 1743-9213 (2012) [Non Refereed Conference Paper]
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DOI: doi:10.1017/S1743921313000525
Abstract
The role of large-scale stellar feedback in the formation of molecular clouds has been investigated observationally by examining the relationship between Hi and 12CO(J = 1−0) in supershells. Detailed parsec-resolution case studies of two Milky Way supershells demonstrate an enhanced level of molecularisation over both objects, and hence provide the first quantitative observational evidence of increased molecular cloud production in volumes of space affected by supershell activity. Recent results on supergiant shells in the LMC suggest that while they do indeed help to organise the ISM into over-dense structures, their global contribution to molecular cloud formation is of the order of only бн 10%.
Item Details
| Item Type: | Non Refereed Conference Paper |
|---|---|
| Keywords: | galaxies: ISM — ISM: bubbles — ISM: evolution — ISM: molecules — Magellanic Clouds |
| Research Division: | Physical Sciences |
| Research Group: | Astronomical and Space Sciences |
| Research Field: | Galactic Astronomy |
| Objective Division: | Expanding Knowledge |
| Objective Group: | Expanding Knowledge |
| Objective Field: | Expanding Knowledge in the Physical Sciences |
| UTAS Author: | Dawson, JR (Dr Joanne Dawson) |
| UTAS Author: | Dickey, JM (Professor John Dickey) |
| ID Code: | 85112 |
| Year Published: | 2012 |
| Deposited By: | Mathematics and Physics |
| Deposited On: | 2013-06-14 |
| Last Modified: | 2013-06-27 |
| Downloads: | 0 |
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