Thermal characteristics of molecular clouds and evolutionary states of young stars in Taurus and Ophiuchus.

Details Thermal characteristics of molecular clouds and evolutionary states of young stars in Taurus and Ophiuchus. Thermal characteristics of molecular clouds and evolutionary states of young stars in Taurus and Ophiuchus.

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999asnup..35..665w&link_type=abstract

Acta Sci. Nat. Univ. Pekin., Vol. 35, No. 5, p. 665 - 671

Physics

Molecular Clouds: Young Stars, Molecular Clouds: Thermal Structure

Scientific paper

Gas kinetic temperature Tk and dust temperature Td were obtained for the clouds in Ophiuchus and Taurus based on CO observations as well as IRAS data. The requested Td > Tk for the dust collision heating mechanism has been tested. The relationship between Td, Tbol and evolutionary states has been analyzed. Results show that young stars in the Ophiuchus core are younger than in those in Taurus, and the IRAS colour temperature can be used to estimate the evolutionary states of young stars as a whole.

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