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SUMMARY:Where do black holes in binaries come from? Biographies of the ste
 llar graveyard - Isobel Romero-Shaw - University of Cambridge
DTSTART:20221024T120000Z
DTEND:20221024T130000Z
UID:TALK183230@talks.cam.ac.uk
CONTACT:Dongwon Han
DESCRIPTION:Before gravitational-wave astronomy\, we knew of a handful of 
 stellar-mass black holes: those observable in X-ray emission as they accre
 te from a companion. Since the first gravitational wave was detected in 20
 15\, the number of known black holes has rapidly increased. Binary black h
 oles\, observed via their gravitational wave emission as they inspiral and
  merge\, now dominate the stellar graveyard. Black holes observed in gravi
 tational waves are typically more massive than those in X-ray binaries\, w
 hich begs the question: do gravitational waves and X-rays probe different 
 populations of black holes? And if so\, how do each of these populations f
 orm? In this talk\, I will discuss recent work aiming to unearth and disti
 nguish the varying biographies of the stellar graveyard. I will present ne
 w results that hint at the formation channels of both X-ray and gravitatio
 nal-wave sources. I will also explain how the lifetime of a binary black h
 ole can be encoded in its gravitational-wave signal\, and address issues i
 n translating these hidden messages. 
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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