Nov 11, 2021

Ariadna Murguia Berthier, UCSC/CIERA

"The fate of the merger remnant in GW170817 and its imprint on the jet structure"

On August 17, 2017, LIGO/Virgo detected the first gravitational waves from merging neutron stars. This event, known as GW170817 was accompanied by observations all over the electromagnetic spectrum.  The peculiar gamma-ray burst that followed the merger in GW170817, is unlike any gamma-ray burst observed before. In order to explain the afterglow observations, there is a need for the jet launched after the merger to have structure, which is a natural consequence of the interaction of the jet with the ambient medium. In this talk, I will show special relativistic simulations of the interaction of the jet with several outflows launched during the merger and compare the simulations to the observation. I will then use the results in order to constrain key properties of the merger, such as the delay time between the merger and the collapse to a black hole.
 
We strongly encourage you to attend the colloquium in person. If that is
impossible, it is available over zoom at the following link:
https://us02web.zoom.us/j/88024178440?pwd=Sk5tRXdLVWJTc0RkUXEwblRaa3RvQT09

Event Details

Date:
Nov 11, 2021

Time:
3:30–5pm

Location:
4421 Sterling Hall, 3:30 pm Coffee and Cookies, 3:45 pm Talk Starts

Speaker Host:
Melinda Soares Furtado

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