Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pasp..118...94k&link_type=abstract
The Publications of the Astronomical Society of the Pacific, Volume 118, Issue 839, pp. 94-97.
Astronomy and Astrophysics
Astronomy
6
Galaxies: Magellanic Clouds, Ism: Atoms, Ism: Molecules, Galaxies: Ism
Scientific paper
We have made a multitransition CO study of the largest H II complex, the 30 Doradus nebula, in the Large Magellanic Cloud (LMC). This is the most luminous example of a starburst region in the Local Group. We have searched for 12CO J=7-->6 emission toward the 30 Doradus complex with the Antarctic Submillimeter Telescope and Remote Observatory (AST/RO), located at 2847 m altitude at the Amundsen-Scott South Pole Station. As a result, we have detected a 12CO J=7-->6 emitting cloud near the 30 Doradus complex. The 12CO J=7-->6/12CO J=4-->3 line temperature ratio in this region is approximately a factor of 2 higher than that observed near the Sgr B2 complex. A radiative transfer calculation using the line ratios shows that the core of massive star formation in the LMC is much warmer and denser than that of the Milky Way.
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