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SUMMARY:Séminaires du DPhP: Ringing the cosmic bell: lessons learned from
  GW250114
DTSTART:20261005T090000Z
DTEND:20261005T103000Z
DTSTAMP:20261006T051900Z
UID:indico-event-40823@indico.in2p3.fr
DESCRIPTION:Speakers: Giada Caneva Santoro (Niels Bohr Institute\, Denmark
 )\n\nGW250114 is the loudest gravitational-wave signal observed to date. I
 ts ringdown is best described by more than one quasi-normal mode: both the
  fundamental mode and its first overtone are resolved\, and their frequenc
 ies and damping times agree with the Kerr prediction for the remnant. Comp
 aring the horizon area of the final black hole\, inferred from the ringdow
 n\, with those of the two initial black holes\, inferred from the inspiral
 \, provides an observational test of Hawking’s area theorem. I will disc
 uss the methods behind these measurements and what they tell us about the 
 final black hole.\n \n \n \n \nzoom connection : https://cern.zoom.us/
 j/67425097284\n\nhttps://indico.in2p3.fr/event/40823/
LOCATION:CEA Paris-Saclay
URL:https://indico.in2p3.fr/event/40823/
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