IR emission from circumstellar envelopes of C-rich stars.

Details IR emission from circumstellar envelopes of C-rich stars. IR emission from circumstellar envelopes of C-rich stars.

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989iaus..135p.505b&link_type=abstract

IAU Symposium No. 135: Interstellar dust: contributed papers, p. 505 - 506

Computer Science

Circumstellar Clouds: Infrared Radiation, Circumstellar Clouds: Radiative Transfer, Circumstellar Clouds: Infrared Sources

Scientific paper

Various authors have developed theoretical models to solve the radiative transfer equation in dust clouds surrounding a central star. Recently, Orofino et al. (1987) have proposed a simplified model that allows to compute the flux from circumstellar envelopes around carbon stars. In the present work the authors check the reliability of the model comparing its results with those obtained using the more general elaboration of Leung (1975). In particular they find that both the classical scattering by dust and the "back-heating" effects are negligible in the radiative transfer when envelopes similar to IRC +10216 are taken into consideration.

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