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University of Cambridge > Talks.cam > DAMTP Friday GR Seminar > Inferring final state properties from LIGO-Virgo observations of black-hole and neutron-star binaries

## Inferring final state properties from LIGO-Virgo observations of black-hole and neutron-star binariesAdd to your list(s) Download to your calendar using vCal - Nathan Johnson-McDaniel, DAMTP, LIGO-Virgo Collaboration
- Friday 20 October 2017, 13:00-14:00
- Pavilion B Potter Room (B1.19).
If you have a question about this talk, please contact Michalis Agathos. I will describe how the mass and spin of the final black hole (and radiated energy and peak luminosity) are inferred from LIGO /Virgo observations of binary black hole coalescences by applying fitting formulae calibrated to numerical relativity simulations. I will also discuss some of the subtleties that need to be understood in order to similarly infer the recoil imparted to the final black hole due to the linear momentum radiated in gravitational waves. Inferring the final state properties for binary neutron stars is considerably more complicated, due to the much richer physics required to describe them. I will illustrate how one can still compute the firm lower bound on the radiated energy quoted for GW170817 , as well as the inferences one can make about the dynamical ejecta and predictions for the kilonova using only gravitational wave observations and fits to numerical simulations. This talk is part of the DAMTP Friday GR Seminar series. ## This talk is included in these lists:- All CMS events
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