Non-radial oscillations of gaseous masses

Chandrasekhar, S. ; Lebovitz, Norman R. (1964) Non-radial oscillations of gaseous masses Astrophysical Journal, 140 . pp. 1517-1528. ISSN 0004-637X

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In this paper the fundamental frequencies of non-radial oscillations of polytropic gas spheres, belonging to spherical harmonics of orders l = 1 and 2, are evaluated, in a "second approximation", by a variational method. Also, the value of the ratio of the specific heats γ is determined for which an accidental degeneracy occurs between the fundamental modes of radial oscillation and non-radial oscillation belonging to l = 2; it is found that this value of γ varies from 16 for a homogeneous compressible sphere to 1 5719 for a poly trope of index n = 3.

Item Type:Article
Source:Copyright of this article belongs to American Astronomical Society.
ID Code:74314
Deposited On:12 Dec 2011 05:09
Last Modified:18 May 2016 18:46

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