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The Rosseland mean opacity of stellar atmospheres

Authors
Journal
Chinese Astronomy and Astrophysics
0275-1062
Publisher
Elsevier
Publication Date
Volume
6
Issue
1
Identifiers
DOI: 10.1016/0275-1062(82)90058-3

Abstract

Abstract Rosseland mean opacities a ̄ R(T, lgP e) [see Table 2] per unit hydrogen particle are calculated in this paper for the atmosphere of the solar type [see Table 1]. The sources of the continuous opacities under consideration in this paper are as follows: (1) H −, HI, H − 2, H + 2 He −, HeI, HeII, CI, CII, CIII, NI, NII, NIII, OI, OII, NaI, MgI, MgII, AlI, AlII, SiI, SiII, CII, KI, CaII in the form of absorption. (2) HI, HeI, CI, NI, OI, H 2 in the form of Rayleigh scattering. (3) Free electrons in the form of Thomson scattering.

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