Other
Scientific paper
Jul 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pazh...14..664a&link_type=abstract
Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 14, July 1988, p. 664-671. In Russian. In Russian.
Other
17
Chemical Elements, Light (Visible Radiation), Peculiar Stars, Radiation Pressure, Stellar Atmospheres, Stellar Composition, Drift Rate, Interstellar Masers, Radiation Chemistry, Solar System
Scientific paper
An explanation of the phenomenon of chemically peculiar stars is proposed on the basis of light-induced drift effect (LID). It is shown that the separation of chemical elements due to LID under the conditions of peculiar stellar atmospheres is a few orders of magnitude greater in comparison with the light pressure separation. The manifestation of LID phenomenon explains isotopic anomalies of He and predicts similar anomalies for other elements. Very likely that nonhomogeneity of surface chemical composition and magnetic fields of some peculiar stars are created by the combined effect of LID and convection. Attention is payed to the fact of possible manifestation of LID under the conditions of cosmic masers and in the process of separation of chemical elements and isotopes in the protoplanetary cloud of the solar system.
Atutov Sergey N.
Shalagin A. M.
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