Arp 220 – IC 4553/4: understanding the system and diagnosing the ISM
Sep, 20079 pages
Part of Proceedings, IAU Symposium 242: Astrophysics Masers and Their Environments : Alice Springs, Australia, March 12-16, 2007, 437-445
Published in:
- IAU Symp. 242 (2008) 437-445
Contribution to:
- IAU Symposium 242, 437-445
- Published: Jan 25, 2008
e-Print:
- 0709.3441 [astro-ph]
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Abstract: (Cambridge University Press)
Arp 220 is a nearby system in final stages of galaxy merger with powerful ongoing star-formation at and surrounding the two nuclei. Arp 220 was detected in HI absorption and OH Megamaser emission and later recognized as the nearest ultra-luminous infrared galaxy also showing powerful molecular and X-ray emissions. In this paper we review the available radio and mm-wave observational data of Arp 220 in order to obtain an integrated picture of the dense interstellar medium that forms the location of the powerful star-formation at the two nuclei.- GALAXIES ISM
- GALAXIES NUCLEI
- ISM MOLECULES
- ISM MASERS
- GALAXIES STARBURST
- OH MEGAMASER
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