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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



ID: 693795.0, MPI für Astronomie / Publikationen_mpia
The supershell-molecular cloud connection in the Milky Way and beyond
Authors:Dawson, J. R.; McClure-Griffiths, N. M.; Fukui, Y.; Dickey, J.; Wong, T.; Hughes, A.; Kawamura, A.
Publisher:Cambridge Univ. Press
Date of Publication (YYYY-MM-DD):2013
Title of Proceedings:Molecular Gas, Dust, and Star Formation in Galaxies
Start Page:83
End Page:86
Volume (in Series):292
Name of Conference/Meeting:Molecular Gas, Dust, and Star Formation in Galaxies
Place of Conference/Meeting:Beijing, China
Audience:Not Specified
Abstract / Description: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 ~10%.
Free Keywords:Astrophysics - Galaxy Astrophysics
Comment of the Author/Creator:Date: 2013, September 1, 2012
External Publication Status:published
Document Type:Conference-Paper
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL:http://cdsads.u-strasbg.fr/abs/2012arXiv1210.0169D
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