Triaxial degenerate dwarfs and pulsing X-ray sources

Details Triaxial degenerate dwarfs and pulsing X-ray sources Triaxial degenerate dwarfs and pulsing X-ray sources

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975a%26a....44..473d&link_type=abstract

Astronomy and Astrophysics, vol. 44, no. 2, Nov. 1975, p. 473-476.

Astronomy and Astrophysics

Astrophysics

1

Dwarf Stars, Stellar Evolution, Stellar Rotation, X Ray Sources, Binary Stars, Centaurus Constellation, Ellipsoids, Hercules Nova, Mass Transfer, Stellar Mass

Scientific paper

It is shown that triaxial configurations for rotating degenerate dwarfs consisting entirely of fluid are not limited to forms analogous to the Jacobi ellipsoids. Arguments are presented which rule out only the specialized class of uniformly rotating analogs of the Jacobi ellipsoid for some degenerate dwarfs. Several ways of forming triaxial degenerate dwarfs are examined along with the characteristic lifetimes of such objects. Noting that some of the alternative forms may exist in mass-transfer binary systems, consideration is given to the secondaries in Her X-1 and Cen X-3. It is suggested that the secondary in Her X-1 must be close to an analog of a Dedekind ellipsoid, and plausible triaxial white-dwarf configurations are proposed for the secondary in Cen X-3.

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