Hostname: page-component-8448b6f56d-m8qmq Total loading time: 0 Render date: 2024-04-24T10:37:06.864Z Has data issue: false hasContentIssue false
  • English
  • Français

Heating the interstellar medium of Spiral Galaxies via PhotonDominated Regions

Published online by Cambridge University Press:  04 October 2008

C. Kramer ,
S. Aalto ,
R. Simon ,
A. Schulz ,
D. Muders  and
C. Henkel
A. Schulz
Affiliation:
Argelander-Institut für Astronomie, Universität Bonn, Germany Institut für Physik und ihre Didaktik, Universität Köln, Germany
D. Muders
Affiliation:
MPI für Radioastronomie, Bonn, Germany
C. Henkel
Affiliation:
MPI für Radioastronomie, Bonn, Germany
Get access

Abstract

For three prototypical galaxies (IC 342, M 82, Antennae), we successfully applied PDR models to explain observed CO line ratios simultaneously with atomic fine structure lines. The model well confines the physical parameters of the gas, which is extremely clumped to allow the UV radiation to penetrate through the molecular clouds over large distances.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 31: Far-Infrared Workshop 2007 , 2008 , pp. 201 - 204
Copyright
© EAS, EDP Sciences, 2008

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Fixsen, D.J., Bennett, C.L., & Mather, J.C., 1999, ApJ, 526, 207 CrossRef
Fuente, A., Garcia-Buríllo, S., Gerin, M., et al., 2005, ApJ, 619, L155 CrossRef
Köster, B., Störzer, J., & Sternberg, A., 1994, A&A, 284, 545
Kramer, C., Mookerjea, B., Bayet, E., et al., 2005, A&A, 441, 961
Mao, R.Q., Henkel, C., Schulz, A., et al., 2000, A&A, 358, 433 PubMed
Meier, D.S., & Turner, J.L., 2005, ApJ, 618, 259 CrossRef
Röllig, M., Ossenkopf, V., Jeyakumar, S., Stutzki, J., & Sternberg, A., 2006, A&A, 451, 917
Schulz, A., Güsten, R., Köster, B., & Krause, D., 2001, A&A, 371, 25
Schulz, A., Henkel, C., Muders, D., Mao, R.Q., Röllig, M., & Mauersberger, R., 2007, A&A, 466, 467
Stacey, G.J., Jaffe, D.T., Geis, N., et al., 1993, ApJ, 404, 219 CrossRef