Molecular clouds in the LMC by NANTEN. II. (Kawamura+, 2009)

Details Molecular clouds in the LMC by NANTEN. II. (Kawamura+, 2009) Molecular clouds in the LMC by NANTEN. II. (Kawamura+, 2009)

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ycat..21840001k&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/184/1. Originally published in: 2009ApJS..184....1K

Computer Science

Molecular Clouds, Magellanic Clouds, H Ii Regions, Radio Sources

Scientific paper

We studied star formation activities in the molecular clouds in the Large Magellanic Cloud. We have utilized the second catalog of 272 molecular clouds obtained by NANTEN (4m radio telescope of Nagoya University at Las Campanas Observatory, Chile) to compare the cloud distribution with signatures of massive star formation including stellar clusters, and optical and radio HII regions. We find that the molecular clouds are classified into three types according to the activities of massive star formation: Type I shows no signature of massive star formation; Type II is associated with relatively small HII region(s); and Type III with both HII region(s) and young stellar cluster(s). The radio continuum sources were used to confirm that Type I giant molecular clouds (GMCs) do not host optically hidden HII regions. These signatures of massive star formation show a good spatial correlation with the molecular clouds in the sense that they are located within ~100pc of the molecular clouds.
(1 data file).

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