Measuring the neutron-star equation of state with GW170817

Jocelyn Read (California State University Fullerton)
Event Date and Time: 
Mon, 2018-02-05 15:00 - 16:15
Hennings 318
Local Contact: 
Jaymie Matthews
Intended Audience: 
Recent observations of merging neutron stars using gravitational waves, and a coincident gamma-ray burst, recently triggered astronomical observations across the electromagnetic spectrum. These observations are shedding new light on the dynamics of dense matter in neutron-star mergers. The dynamics of the compact binary, and thus its gravitational-wave signature, is primarily determined by the mass and spin of the components. Gravitational-wave observations of compact binaries can therefore measure mass and spin parameters. For neutron star components, the presence of matter can make an imprint on the final orbits and merger of a binary system. I will describe efforts to model and understand the impact of neutron-star matter on gravitational waves, using both theoretical and computational input, and how GW170817 and future gravitational-wave observations can be used to learn about neutron-star matter.
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