Neutron Star Binary Coalescences: How realistic is the initial data?

Details Neutron Star Binary Coalescences: How realistic is the initial data? Neutron Star Binary Coalescences: How realistic is the initial data?

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aps..aprh10006w&link_type=abstract

American Physical Society, 2008 APS April Meeting and HEDP/HEDLA Meeting, April 11-15, 2008, abstract #H10.006

Astronomy and Astrophysics

Astrophysics

Scientific paper

Quasi-equilibrium approximations are often used as initial data for numerical simulations of binary neutron star inspiral coalescence. The standard is to begin the simulations at a separation close to that of the inner-most-stable-circular orbit. We examine how realistic it is to use quasi-equilibrium approximations at such close separations. Several measures of the validity are developed to determine what initial separation one must have for the quasi-equilibrium approximations to yield astrophysically realistic initial data.

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