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SUMMARY:Elisa Maggio "Tests of the remnants of compact binary coalescences
  with the fourth gravitational-wave transient catalog"
DTSTART:20260429T103000Z
DTEND:20260429T123000Z
DTSTAMP:20260429T204300Z
UID:indico-event-52095@agenda.infn.it
CONTACT:elisa.maggio@roma1.infn.it
DESCRIPTION:I will discuss the LIGO-Virgo-KAGRA collaboration paper on tes
 ts of general relativity with the signals from the fourth Gravitational-Wa
 ve Transient Catalog\, focusing on tests of the coalescence remnants. The 
 tests check for the consistency of the ringdown with the expected quasinor
 mal mode spectrum of a Kerr black hole and the existence of possible echoe
 s arriving after the end of the ringdown. We find overall consistency of t
 he remnants with general relativity and no evidence for post-merger echoes
  in the events analysed. I will also discuss the consistency of the combin
 ation of events with general relativity\, either by multiplying likelihood
 s or with hierarchical methods.\n\nhttps://agenda.infn.it/event/52095/
LOCATION:Sala Lauree (Marconi Building) (La Sapienza)
URL:https://agenda.infn.it/event/52095/
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