<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Thursday September 26, 3 pm</div><div class="">Aula Conversi, Dipartimento di Fisica</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><b class="">Marta Volonteri</b></div><div class="">(Institut d’Astrophysique de Paris)</div><div class=""><br class=""></div><div class=""><b class="">Massive black hole binaries in the cosmos</b></div><div class=""><br class=""></div><div class="">Massive black holes weighing from a few tens of thousands to tens of billions of solar masses inhabit the centers of today’s galaxies, </div><div class="">including our own Milky Way. Massive black holes also shone as quasars in the past, with the earliest detected a mere billion years </div><div class="">after the Big Bang. Along cosmic time, encounters between galaxies hosting massive black holes in their centers are expected to have </div><div class="">produced binary massive black holes that eventually coalesced by emission of gravitational waves. I will discuss the physical processes </div><div class="">through which massive black holes pair and bind, and how we can use gravitational wave observations with ESA’s planned satellite </div><div class="">LISA to constrain the evolving population of massive black holes. </div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><a href="https://agenda.infn.it/event/19169/" class="">https://agenda.infn.it/event/19169/</a></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""><br class=""><br class=""><br class=""><br class=""><br class="">
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