Massive Star Formation in Orion: Direct Accretion or Cannibalism?

Details Massive Star Formation in Orion: Direct Accretion or Cannibalism? Massive Star Formation in Orion: Direct Accretion or Cannibalism?

Aug 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002noao.prop..377b&link_type=abstract

NOAO Proposal ID #2002B-0377

Physics

Scientific paper

Do massive stars form by direct accretion from the parent cloud or by mergers of protostars? To constrain the answer, we propose T-ReCS imaging of the nearest sites of on-going massive star formation near the Sun -- the OMC1, OMC1S, and OMC2 cloud cores in the Orion A molecular cloud. Our observations will constrain formation models by measuring the space density and colors of low mass protostars in the vicinity of the forming massive stars, by probing the properties of embedded disks, protostellar envelopes, and dust morphology. Thermal IR imaging is essential to probe the protostellar content of these highly obcured regions. T-ReCS on Gemini South will provide more than order of magnitude improvement over previous observations.

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