A 12CO Survey of the LMC with NANTEN: Sensitive Observations

Details A 12CO Survey of the LMC with NANTEN: Sensitive Observations A 12CO Survey of the LMC with NANTEN: Sensitive Observations

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999sf99.proc...56m&link_type=abstract

Star Formation 1999, Proceedings of Star Formation 1999, held in Nagoya, Japan, June 21 - 25, 1999, Editor: T. Nakamoto, Nobeyam

Computer Science

Scientific paper

Fully sampled 12CO(J=1-0) observations of the whole extent of the LMC have been made, using the NANTEN radio telescope with a linear resolution of 40 pc at a detection limit for N(H2) of 3 x 1021 cm-2. In addition, to reveal the distribution of weakly emitting molecular gas, several selected regions including 30 Doradus, the southern large CO complex, N11, N44, and the Bar, have been mapped with higher sensitivity corresponding to a detection limit of 1 x 1021 cm-2 in the same line at the same angular resolution. Based on these results, we estimate that the total molecular mass of the LMC 7 x 107 Modot, if the sensitive observations were made over the whole galaxy. We discuss the conversion factor from CO line intensity to H2 column density in individual regions. The detailed comparisons of the GMCs to HII regions and the young stellar clusters are also presented.

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