Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985azh....62.1229s&link_type=abstract
(Astronomicheskii Zhurnal, vol. 62, Nov.-Dec. 1985, p. 1229-1231) Soviet Astronomy (ISSN 0038-5301), vol. 29, Nov.-Dec. 1985, p.
Astronomy and Astrophysics
Astronomy
Carbon Stars, Condensing, Cosmic Dust, Graphite, Silicon Carbides, Stellar Envelopes, Nucleation, Red Giant Stars, Supergiant Stars, Surface Energy
Scientific paper
The efficiencies of various processes of dust formation in the envelopes of carbon stars are estimated (for IRC + 10216). It is concluded that there is sufficient gaseous C near the star for dust formation through homogeneous nucleation. The surface energy of particles of silicon carbide cosmic dust is estimated as 1600 erg/sq cm at T = 1000 K. It is possible that solid silicon carbide falls onto the surfaces of graphite grains.
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