The continuous absorption coefficient of a stellar atmosphere

Details The continuous absorption coefficient of a stellar atmosphere The continuous absorption coefficient of a stellar atmosphere

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980acasn..21..342j&link_type=abstract

(Acta Astronomica Sinica, vol. 21, Dec. 1980, p. 342-348.) Chinese Astronomy and Astrophysics, vol. 5, June 1981, p. 168-173. Tr

Astronomy and Astrophysics

Astrophysics

Absorptivity, Free Electrons, Opacity, Rayleigh Scattering, Stellar Atmospheres, Thomson Scattering, Abundance, Chemical Composition, Equations Of State, Neutral Atoms, Tables (Data)

Scientific paper

It is pointed out that, when calculating the continuous absorption coefficient in a stellar atmosphere, it is advantageous to use the coefficient per particle of the most abundant element instead of the usual coefficient per gram of matter. The sources of continuous opacity considered are 1) absorption by H(-), HI, H2(-), H2(+), HeI, HeII, CI, CII, CIII, NI, NII, OI, OII, NaI, MgI, MgII, AII, AIII, SiI, SiII, C1I, KI, CaII; and 2) Rayleigh scattering by HI, HeI, CI, NI, OI, H2; and 3) Thomson scattering of free electrons. The calculations are illustrated by the results for a solar-type photosphere.

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