Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2009-01-04
The Astronomical Journal 137 (2009) 3599-3605
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
12 pages, 4 figures, accepted for publication in the Astronomical Journal, improved image quality of figures
Scientific paper
10.1088/0004-6256/137/3/3599
We examine the recent star formation associated with four supergiant shells (SGSs) in the Large Magellanic Cloud (LMC): LMC 1, 4, 5, and 6, which have been shown to have simple expanding-shell structures. H II regions and OB associations are used to infer star formation in the last few Myr, while massive young stellar objects (YSOs) reveal the current ongoing star formation. Distributions of ionized, H I, and molecular components of the interstellar gas are compared with the sites of recent and current star formation to determine whether triggering has taken place. We find that a great majority of the current star formation has occurred in gravitationally unstable regions, and that evidence of triggered star formation is prevalent at both large and local scales.
Book Laura G.
Chu Y.-H. Y.-H.
Fukui Yasuo
Gruendl Robert A.
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