Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26a...359..799p&link_type=abstract
Astronomy and Astrophysics, v.359, p.799-810 (2000)
Astronomy and Astrophysics
Astrophysics
13
Molecular Processes, Stars: Circumstellar Matter, Ism: General, Ism: Molecules
Scientific paper
Hydrogenated carbon cluster growth in carbon-rich stellar atmospheres is simulated by a model which takes into account the simultaneous formation of carbon compounds with carbon atoms under various states of hybridization. A grid of computations shows that a mixture of different species can appear (small hydrogenated carbon clusters, carbon chains or ring-shaped structures, aromatic-like entities, etc.) depending on both carbon to hydrogen relative abundance and temperature of the star. Dehydrogenation rate and sp2/sp and sp3/sp ratios are estimated.
Pascoli Gianni
Polleux A.
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