| Issue |
EAS Publications Series
Volume 31, 2008
Far-Infrared Workshop 2007
|
|
|---|---|---|
| Page(s) | 201 - 204 | |
| DOI | https://doi.org/10.1051/eas:0831046 | |
| Published online | 04 October 2008 | |
Far-Infrared Workshop 2007
C. Kramer, S. Aalto and R. Simon (eds)
EAS Publications Series, 31 (2008) 201-204
C. Kramer, S. Aalto and R. Simon (eds)
EAS Publications Series, 31 (2008) 201-204
Heating the interstellar medium of Spiral Galaxies via Photon Dominated Regions
1
Argelander-Institut für Astronomie, Universität Bonn, Germany
2
Institut für Physik und ihre Didaktik, Universität Köln, Germany
3
MPI für Radioastronomie, Bonn, Germany
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.
© EAS, EDP Sciences, 2008