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Fast Rotation of Neutron Stars

J. -P. Lasota, P. Haensel, M. A. Abramowicz

astro-pharXiv:astro-ph/9508118

Abstract

We show that for realistic equations of state of dense matter, the universal proportionality factor relating the maximum rotation rate of neutron stars due to mass-shedding limit to the mass and radius of maximum allowable mass configuration of non-rotating models results from a universal proportionality between masses and radii of static maximum-mass neutron stars and those of maximally rotating configurations. These empirical relations cannot be obtained in the slow rotation approximation.

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