Apr 16 – 20, 2024
National Museum of Natural Science
Asia/Taipei timezone

Supernova gravitational waves and protoneutron star properties

Not scheduled
National Museum of Natural Science

National Museum of Natural Science

No.1, Guanqian Rd., North Dist., Taichung City 404023, Taiwan


Hajime Sotani (RIKEN)


The gravitational waves from supernovae should be the promising source next to those from compact binary mergers. But, they must be quite weak signal compared to the binary mergers, because the system is more or less spherically symmetric. In addition, the gravitational waves from the supernovae must depend on the supernova model, such as EOS for dense matter and progenitor mass. So, if any, it must be very important to derive a kind of universal relation expressing the gravitational wave signal, which is almost independent of such models. In this presentation, we will show that the protoneutron star's average density seems to be better for universally expressing gravitational waves rather than surface gravity.

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