Model Dust Envelopes Around Silicate Carbon Stars

Details Model Dust Envelopes Around Silicate Carbon Stars Model Dust Envelopes Around Silicate Carbon Stars

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jass...23...11s&link_type=abstract

Journal of Astronomy and Space Sciences, Vol. 23, no. 1, p. 11-18

Astronomy and Astrophysics

Astronomy

Circumstellar Matter, Stars: Agb And Post-Agb, Infrared: Stars, Dust: Extinction, Radiative Transfer

Scientific paper

We have modeled dust envelopes around silicate carbon stars using optical properties for a mixture of amorphous carbon and silicate dust grains paying close attention to the infrared observations of the stars. The 4 stars show various properties in chemistry and location of the dust shell. We expect that the objects that fit a simple detached silicate dust shell model could be in the transition phase of the stellar chemistry. For binary system objects, we find that a mixed dust chemistry model would be necessary.

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