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Understanding gravitational waves from core-collapse supernovae

Oct. 22 - 14:30 - 2020

Speaker: Alejandro Torres-Forne (Potsdam, Max Planck Inst.)

Title: Understanding gravitational waves from core-collapse supernovae

Core collapse supernovae (SN) is among the most exciting events that we expect to observe in the future by gravitational-wave (GW) interferometers. They provide a unique multi-messenger opportunity with the combined emission of GWs, neutrinos and electromagnetic waves. In this talk, I will focus in the current understanding of core-collapse GW signals and how they can be modelled in terms of normal oscillations modes of proto-neutron stars excited during the post-bounce phase before the onset of the SN explosion. The observation of such modes in the future by gravitational wave observatories (Virgo, LIGO) may allow to infer the properties of proto-neutron stars and learn about the engine powering supernova explosions.

Room: ZOOM videoconference (contact justin.feng@tecnico.ulisboa.pt for URL)

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