A model of a dust cloud heated by a set of embedded stars

Details A model of a dust cloud heated by a set of embedded stars A model of a dust cloud heated by a set of embedded stars

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....79..102r&link_type=abstract

Astronomy and Astrophysics, vol. 79, no. 1-2, Oct. 1979, p. 102-107.

Astronomy and Astrophysics

Astrophysics

3

Cosmic Dust, Early Stars, Interstellar Gas, Protostars, Astronomical Models, Clouds, Molecular Gases, Point Sources, Silicates, Temperature Distribution

Scientific paper

A theoretical model of a spherical dust cloud heated by several embedded stars is presented. The resolution of the intermediate problem of a point source in an infinite medium allows a quasi-analytical formulation of the radiative equilibrium equation. The effects of the following parameters on the average dust temperature are studied: grain models (silicate, core-mantle ice silicate, graphite), number and spectral types of embedded stars, opacity and dimension of the cloud. Several possible applications of the model are proposed.

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