Binary Neutron Stars in General Relativity: Quasi-Equilibrium Models

Details Binary Neutron Stars in General Relativity: Quasi-Equilibrium Models Binary Neutron Stars in General Relativity: Quasi-Equilibrium Models

1997-04-08

arxiv.org/abs/gr-qc/9704024v1

Phys.Rev.Lett. 79 (1997) 1182-1185

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 3 figures, RevTeX

Scientific paper

10.1103/PhysRevLett.79.1182

We perform fully relativistic calculations of binary neutron stars in quasi-equilibrium circular orbits. We integrate Einstein's equations together with the relativistic equation of hydrostatic equilibrium to solve the initial value problem for equal-mass binaries of arbitrary separation. We construct sequences of constant rest mass and identify the innermost stable circular orbit and its angular velocity. We find that the quasi-equilibrium maximum allowed mass of a neutron star in a close binary is slightly larger than in isolation.

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