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 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981cha%26a...5..168j&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 5, Issue 2, p. 168-173.

Astronomy and Astrophysics

Astrophysics

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-, H 2+, HeI, HeII, CI, CII, CIII, NI, NII, OI, OII, NaI, MgI, MgII, AlI, AlII, SiI, SiII, ClI, 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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