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On the oscillation spectra of ultracompact stars: An extensive survey of gravitational-wave modes
Nils Andersson, Yasufumi Kojima, Kostas D. Kokkotas
An extensive survey of gravitational-wave modes for uniform density stars is presented. The study covers stars ranging in compactness from to the limit of stability in ge…
A NEW NUMERICAL APPROACH TO THE OSCILLATION MODES OF RELATIVISTIC STARS
Nils Andersson, Kostas D. Kokkotas, Bernard F. Schutz
The oscillation modes of a simple polytropic stellar model are studied. Using a new numerical approach (based on integration for complex coordinates) to the problem for the stellar…
ON THE OSCILLATION SPECTRA OF ULTRA COMPACT STARS
Yasufumi Kojima, Nils Andersson, Kostas D. Kokkotas
Quasinormal modes of ultra compact stars with uniform energy density have been calculated. For less compact stars, there is only one very slowly damped polar mode (corresponding to…