Tidally affected galaxies modelled as Maclaurin spheroids

Details Tidally affected galaxies modelled as Maclaurin spheroids Tidally affected galaxies modelled as Maclaurin spheroids

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989basi...17..141s&link_type=abstract

Astronomical Society of India, Bulletin (ISSN 0304-9523), vol. 17, Dec. 1989, p. 141-144.

Astronomy and Astrophysics

Astronomy

Galactic Structure, Maclaurin Series, Tides, Angular Momentum, Astronomical Models, Eccentricity, Spheroids

Scientific paper

Tensor virial equations and impulse approximation are used to study the tidal transfer of energy and angular momentum to a test galaxy, modeled as a Maclaurin spheroid. It is shown that the fractional increase in kinetic energy falls off with increasing eccentricity, whereas the fractional increase in angular momentum squared rises till e = 0.83 and then falls off. The tidally transferred angular momentum is about an axis lying in the equatorial plane of the spheroidal test galaxy.

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