Dust Shell Models for the Young Stellar Objects in Giant Molecular Couls

Details Dust Shell Models for the Young Stellar Objects in Giant Molecular Couls Dust Shell Models for the Young Stellar Objects in Giant Molecular Couls

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000jass...17...18s&link_type=abstract

Journal of Astronomy and Space Sciences, vol. 17, no. 1, p. 11-18.

Astronomy and Astrophysics

Astronomy

Dust Shell Models, Young Stellar Objects, Giant Molecular Clouds

Scientific paper

We have modeled the observed spectral energy distributions (SEDs) of young stellar objects (YSOs) in giant molecular clouds (GMCs). We propose the theoretical models for the dust envelopes around YSOs. The YSOs in a GMC may share the same initial chemical composition. In this paper, we compare the model SEDs with the observations of the YSOs. Dust shells of the YSOs are composed of a mixture of astronomical silicate and graphite grains. We propose the models for the evolution of the GMCs comparing the shape of the SEDs on the IRAS 2-color diagram with the age.

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