Star Formation in the Orion A Molecular Cloud

Details Star Formation in the Orion A Molecular Cloud Star Formation in the Orion A Molecular Cloud

Nov 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011eas....52..307s&link_type=abstract

EAS Publications Series, Volume 52, 2011, pp.307-308

Computer Science

Scientific paper

We present new, wide, and deep images in the AzTEC/ASTE 1.1 mm continuum and the 12 CO (J = 1-0) emission toward the northern part of the Orion-A GMC. We have found evidence for interactions between molecular clouds and the external forces that may trigger star formation. Two types of possible triggers were revealed: (1) Collisions of the diffuse gas on the cloud surface, particularly at the eastern side of the OMC-2/3 region, and (2) Irradiation of UV on the pre-existing filaments and dense molecular cloud cores. Our wide-field and high-sensitivity imaging has provided the first comprehensive view of the potential sites of triggered star formation in the Orion-A GMC.

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