Astronomy and Astrophysics – Astrophysics – High Energy Astrophysical Phenomena
Scientific paper
2010-02-13
Phys.Rev.Lett.104:141101,2010
Astronomy and Astrophysics
Astrophysics
High Energy Astrophysical Phenomena
Accepted to PRL
Scientific paper
10.1103/PhysRevLett.104.141101
We elucidate the feature of gravitational waves (GWs) from binary neutron star merger collapsing to a black hole by general relativistic simulation. We show that GW spectrum imprints the coalescence dynamics, formation process of disk, equation of state for neutron stars, total masses, and mass ratio. A formation mechanism of the central engine of short $\gamma$-ray bursts, which are likely to be composed of a black hole and surrounding disk, therefore could be constrained by GW observation.
Kiuchi Kenta
Sekiguchi Yu-ichiro
Shibata Masaru
Taniguchi Keisuke
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