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- Title
THE IRRADIATED ISM OF ACTIVE GALAXIES: HCN, HNC, HCO<sup>+</sup>.
- Authors
Spaans, M.
- Abstract
The nuclei of active galaxies harbor massive young stars, an accreting central black hole, or both. Results are presented for molecular gas that is exposed to X-rays (1-100 keV, XDRs) and far-ultraviolet radiation (6-13.6 eV, PDRs). Particular attention is paid to species like HCN, HNC and HCO+. Line ratios of HCN/HCO+ and HNC/HCN discriminate between PDRs and XDRs.
- Subjects
METAPHYSICAL cosmology; SUPERMASSIVE black holes; ASTRONOMY education; SCIENTIFIC observation; ULTRAVIOLET radiation; STARS; X-rays
- Publication
EAS Publications Series, 2008, Vol 31, p47
- ISSN
1633-4760
- Publication type
Article
- DOI
10.1051/eas:0831010