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Journal article

Tracing high density gas in M 82 and NGC 4038

Abstract:
We present the first detection of CS in the Antennae galaxies towards the NGC 4038 nucleus, as well as the first detections of two high-J (5-4 and 7-6) CS lines in the center of M 82. The CS(7-6) line in M 82 shows a profile that is surprisingly different to those of other low-J CS transitions we observed. This implies the presence of a separate, denser and warmer molecular gas component. The derived physical properties and the likely location of the CS(7-6) emission suggests an association with the supershell in the centre of M 82.

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Publisher copy:
10.1086/592399

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
Publication date:
2008-08-20
DOI:
Keywords:
Pubs id:
pubs:204314
UUID:
uuid:ab496ace-37ba-49d5-81bd-10c347771ada
Local pid:
pubs:204314
Source identifiers:
204314
Deposit date:
2012-12-19

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