Statistics – Computation
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...311..800r&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 311, Dec. 15, 1986, p. 800-804. Research supported by the Smithsonian Astro
Statistics
Computation
5
Celestial Sphere, Computational Astrophysics, Equilibrium Flow, Method Of Moments, Radiative Transfer, Stellar Envelopes, Brightness Distribution, Carbon Stars
Scientific paper
An accurate solution has been developed for the transfer equation in spherical geometry based on the half-range moment method. Multifrequency problems are consiered where the coupling among frequencies results from the requirement of radiative equilibrium. To illustrate the application of the method, the source of opacity is taken to be dust and circumstellar envelopes are examined, in particular that surrounding the carbon star IRC + 10216. While simple models using amorphous carbon dust might be successful in explaining the observed flux distribution, they fail to reproduce the (interferometric) observations of the spatial brightness distribution at each of several IR wavelengths.
Martin Peter G.
Rogers Christopher
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