Physics Colloquium

"Gravitational Waves and Multimessenger Astrophysics - an Experimenter's Point of View"

Presented by Szabolcs Marka, Columbia University

Tuesday, June 24, 2008, 3:30 pm — Large Seminar Room, Bldg. 510

Gamma-ray, X-ray, optical and neutrino observations of cataclysmic cosmic events with plausible gravitational wave emission can be used in combination with searches for gravitational waves. Information on the progenitor, such as trigger time, direction and expected frequency range, shall enhance our ability to identify gravitational wave signatures with amplitude close to the noise floor of the detector. Even in the absence of detection, the association of the astrophysical trigger with a particular source distance allows to interpret upper limits on the observed flux of gravitational waves in terms of the energy emitted in the form of gravitational waves. After a summary of past multimessenger based gravitational wave searches in LIGO, I will discuss the implications of these results. I will close by giving an outlook on the future.

Hosted by: Peter Petreczky

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