Computer Science
Scientific paper
Dec 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999sf99.proc..379m&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
We have observed the W49A, W51A, and Sgr B2 molecular cloud complexes, which are the most luminous star forming regions in our Galaxy, using the 45-m telescope and Nobeyama Millimeter Array (NMA) of Nobeyama Radio Observatory. We have evidence of cloud-cloud collision events in these regions. Star formation in these regions occurs by not a simple process but four stages of star formation, i.e., cloud-cloud collision, formation of the massive dense cores during cloud-cloud collision event and subsequent fragmentation and massive star formation, may be required. This scenario is reasonable to account for localized starburst as clusters of massive stars, and it may accout for starburst in starburst galaxy.
Hasegawa Takuya
Hayashi Masahito
Miyawaki Ryouhei
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