- Abstract:
-
The Galactic center is the closest region in which we can study star formation under extreme physical conditions like those in high-redshift galaxies. We measure the temperature of the dense gas in the central molecular zone (CMZ) and examine what drives it. We mapped the inner 300 pc of the CMZ in the temperature-sensitive J = 3-2 para-formaldehyde (p-H$_2$CO) transitions. We used the $3_{2,1} - 2_{2,0} / 3_{0,3} - 2_{0,2}$ line ratio to determine the gas temperature in $n \sim 10^4 - 10^5 $...
Expand abstract - Publication status:
- Published
- Peer review status:
- Peer reviewed
- Version:
- Publisher's version
- Files:
-
-
(pdf, 46.8MB)
-
- Publisher copy:
- 10.1051/0004-6361/201526100
-
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- Publisher:
- EDP Sciences Publisher's website
- Journal:
- Astronomy and Astrophysics Journal website
- Volume:
- 586
- Pages:
- A50
- Publication date:
- 2016-01-26
- DOI:
- EISSN:
-
1432-0746
- ISSN:
-
0004-6361
- URN:
-
uuid:65281126-d6ab-427d-9ed0-87bf75aedcd8
- Source identifiers:
-
546910
- Local pid:
- pubs:546910
- Language:
- English
- Keywords:
- Copyright holder:
- European Southern Observatory (ESO)
- Copyright date:
- 2016
- Notes:
- © ESO 2016. Published by EDP Sciences on behalf of the European Southern Observatory (ESO). The data (raw and processed) are available from [http://doi.org/10.7910/DVN/27601]. The processing pipeline, analysis code, and paper source are available at [https://github.com/adamginsburg/APEX_CMZ_H2CO].
Journal article
Dense gas in the Galactic central molecular zone is warm and heated by turbulence
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