3D General Relativistic Simulations of Coalescing Binary Neutron Stars

Details 3D General Relativistic Simulations of Coalescing Binary Neutron Stars 3D General Relativistic Simulations of Coalescing Binary Neutron Stars

1999-12-06

arxiv.org/abs/astro-ph/9912085v1

Prog.Theor.Phys.Suppl.136:270-286,1999

Astronomy and Astrophysics

Astrophysics

invited talk at Yukawa Internatinal Seminar (YKIS99) 17 pages, 11 figures, for associated movie files, see http://astro.sc.n

Scientific paper

10.1143/PTPS.136.270

We develop a 3 dimensional computer code to study a coalescing neutron star binary. The code can currently follow the evolution up to two stars begin to merge from two spherical stars of mass 1 solar mass and radius 8.9km with separation 35.4km. As for coordinate conditions, we use conformal slicing and pseudo-minimal distortion conditions. The evolution equations for the metric is integrated using the CIP method while the van Leer's scheme is used to integrate the equations for the matter. We present a few results of our simulations including gravitational radiation.

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