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Colloquium:The next frontier of gravitational wave physics and astronomy with Advanced LIGO

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Chad Hanna, The Pennsylvania State University
When
19 October 2017 from 4:00 PM to 5:00 PM
Where
117 Osmond Laboratory
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Advanced LIGO has been a tremendously successful experiment starting with the first direct detection of gravitational waves in September, 2015.  Since then, LIGO has confirmed the detection of three additional gravitational wave transients - all binary black hole mergers.   LIGO recently began joint observations with a new gravitational wave detector called Advanced Virgo in Italy.  The most recently published gravitational wave event demonstrated that the gravitational wave community has passed a critical milestone: the observation of gravitational waves simultaneously in both LIGO detectors and the Virgo detector.  Virgo together with LIGO provides a far more accurate localization of gravitational wave sources on the sky and this localization ability is now within the capabilities of wide-field telescopes to capture an electromagnetic counterpart from follow-up observations.  In this seminar, I will recap recent LIGO observations and discuss LIGO and Virgo's potential to detect and localize a yet undiscovered source of gravitational waves - binary neutron stars.  Binary neutron stars are a prime candidate for future joint electromagnetic and gravitational wave observations.  I will discuss the implications for physics and astrophysics of such joint observations.

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