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HI in Galactic Disks

Published online by Cambridge University Press:  01 June 2008

Elias Brinks ,
Frank Bigiel ,
Adam Leroy ,
Fabian Walter ,
W. J. G. de Blok ,
Ioannis Bagetakos ,
Antonio Usero  and
Robert C. Kennicutt Jr.
Elias Brinks
Affiliation:
Centre for Astrophysics Research, University of Hertfordshire, Hatfield AL10 9AB, UK
Frank Bigiel
Affiliation:
Max–Plank–Institut für Astronomie, Königstuhl 17, 69117, Heidelberg, Germany
Adam Leroy
Affiliation:
Max–Plank–Institut für Astronomie, Königstuhl 17, 69117, Heidelberg, Germany
Fabian Walter
Affiliation:
Max–Plank–Institut für Astronomie, Königstuhl 17, 69117, Heidelberg, Germany
W. J. G. de Blok
Affiliation:
Univ. of Cape Town, Dept. of Astronomy, Private Bag X3, Rondebosch 7701, South Africa
Ioannis Bagetakos
Affiliation:
Centre for Astrophysics Research, University of Hertfordshire, Hatfield AL10 9AB, UK
Antonio Usero
Affiliation:
Centre for Astrophysics Research, University of Hertfordshire, Hatfield AL10 9AB, UK
Robert C. Kennicutt Jr.
Affiliation:
Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
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Abstract

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Studies of the atomic phase of the interstellar medium, via the 21–cm spectral line of neutral hydrogen (H I), play a key rôle in our attempts to understand the structure and evolution of disk galaxies. We present here results from The H I Nearby Galaxy Survey (THINGS) and focus on the mass distribution as derived from the observed kinematics, and on the link between gas and star formation rate surface density, i.e., the Schmidt–Kennicutt law. Also, we briefly dwell on the wealth and wide variety of structures, often outlining what seem to be expanding shells surrounding sites of recent, massive star formation.

Keywords

galaxies: structuregalaxies: spiralgalaxies: ISM
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Issue S254: The Galaxy Disk in Cosmological Context , June 2008 , pp. 301 - 306
Copyright
Copyright © International Astronomical Union 2009

References

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