Submillimeter Observations of the 30 Doradus Nebula

Details Submillimeter Observations of the 30 Doradus Nebula Submillimeter Observations of the 30 Doradus Nebula

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..362..297k&link_type=abstract

The Seventh Pacific Rim Conference on Stellar Astrophysics, ASP Conference Series, Vol. 362, Proceedings of the conference held

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

We present a mid-J CO emission line 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 towards the 30 Doradus complex with the Antarctic Submillimeter Telescope and Remote Observatory (AST/RO), located at 2847 m above mean sea level 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 two 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 region.

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