Structure and oscillations of rotating polytropes

Details Structure and oscillations of rotating polytropes Structure and oscillations of rotating polytropes

Oct 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981afz....17..783s&link_type=abstract

(Astrofizika, vol. 17, Oct.-Dec. 1981, p. 783-797.) Astrophysics, vol. 17, no. 4, Apr. 1982, p. 427-436. Translation.

Astronomy and Astrophysics

Astrophysics

1

Perturbation Theory, Polytropic Processes, Stellar Models, Stellar Oscillations, Stellar Rotation, Stellar Structure, Dynamic Stability, Equilibrium Equations, Stellar Mass, White Dwarf Stars

Scientific paper

A reexamination of the first-order perturbation theory of Chandrasekar (1933) with a view of finding a sequence of rotating polytropes of fixed mass shows that the value of n at which dynamic instability begins decreases, due to rotation. A simple expression is obtained for the pulsation mode frequency of a rotating star, and the function psi0(xi) is expressed in terms of the Emden function theta(xi)

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