| DATE: |
2013-08-20 14:00 - 15:00 |
| PLACE: |
Kenkyu Honkan 3F seminar room322 |
| TITLE: |
Mass ejection of compact binary merger and the progenitor model of GRB130603B |
| CONTACT: |
Hajime Takami, takami-AT-post.kek.jp |
| SPEAKER: |
Mr. Kenta Hotokezaka (Kyoto University) |
| LANGUAGE: |
English |
| ABSTRACT: |
A transient powered by the radioactive decay of r-process elements the so-called kilonova is one of the possible observational consequences of compact binary mergers including at least one neutron star. Recent observations discover a kilonova associated with the short GRB130603B. We explore the possible progenitor of this event based on numerical-relativity simulations and radiative transfer simulations for the dynamical ejecta of binary neutron star (NS-NS) mergers and black hole - neutron star binary (BH-NS) mergers. We show that the only soft EOS models could produce the observed luminosity for the NS-NS ejecta. Our results also show that a BH-NS model is more favorable for GRB130603B than a NS-NS model. |
