Hostname: page-component-77c89778f8-vpsfw Total loading time: 0 Render date: 2024-07-19T17:17:56.606Z Has data issue: false hasContentIssue false

Characterizing the Extreme Star-Formation Environment in Arp 220

Published online by Cambridge University Press:  25 November 2011

N. Rangwala
Affiliation:
Dept. of Astrophysical & Planetary Sciences, CASA, University of Colorado, Boulder, CO 80303, USA. e-mail: Naseem.Rangwala@Colorado.Edu ;
Get access

Abstract

We present a full spectral view of Arp 220 from 450 GHz to 1500 GHz using Herschel SPIRE. The non-LTE modeling of mid-J to high-J CO lines suggests surprisingly warm molecular gas between 500 and 1500 K, the mass of which is about 1% of the cold gas mass.

Type
Research Article
Copyright
© EAS, EDP Sciences 2011

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

Brauher, J.R., Dale, D.A., & Helou, G., 2008, ApJ, 178, 280
Higdon, S.J.U., et al., 2006, ApJ, 648, 323 CrossRef
Scoville, N.Z., Yun, M.S., & Bryant, P.M., 1997, ApJ, 484, 702 CrossRef
van der Tak, F.F.S., et al., 2007, A&A, 468, 627