Theory Seminar

Theory Seminar/Hirai

Start:2015/07/21 (Tue) 11:00 AM
End:2015/07/21 (Tue) 12:00 PM
Location:Kenkyu Honkan 1F, meeting room 1

Speaker:Mr.Ryosuke Hirai(Waseda)
Lecture:Ejecta-Companion Interaction in Massive Star Binaries
Contact:Sanshiro Shibata/



Recent surveys show that almost all massive stars are born in binary systems. From the fact that these massive stars are the progenitors for core-collapse supernovae, the majority of these events should be occuring in binaries. When a star explodes in a binary, the companion may be affected by the supernova ejecta, possibly changing the further evolution of the binary. In this talk I will introduce results of hydrodynamical simulations of supernova ejecta hitting a star in massive binaries. We focus on the mass removed and its dependences on parameters. I will also show its application on a real supernova, iPTF13bvn, and our prediction on the possible observational features of the companion star.

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