Do Hot Molecular Cores Contain Massive Protostars?

Details Do Hot Molecular Cores Contain Massive Protostars? Do Hot Molecular Cores Contain Massive Protostars?

Feb 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999noao.prop..215m&link_type=abstract

NOAO Proposal ID #1999A-0215

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Scientific paper

Hot Molecular Cores (HMCs) are hot, dense, compact clumps found in association with ultracompact HII regions and other indicators of massive star formation. They clearly have something to do with massive stars, but exactly what? One suggestion is that they contain massive protostars which heat the cores internally. Another is that they are heated externally by nearby massive stars. We plan to observe a sample at 10 and 20 (micron) to determine which of these alternatives is correct. Our observations will constrain the luminosity of HMCs and the location of hot dust; the two models make quite different predictions. If we do find evidence for protostars, we will constrain their masses and the accretion rates by comparison to the detailed models developed by Osorio & Lizano.

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