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Astronomy Colloquium - "The Gravitational-Wave Universe seen by Pulsar Timing Arrays"

Speaker Chiara Mingarelli, Flatiron Institute's Center for Computational Astrophysics
Date: 10/31/2017
Time: 3:45 p.m.
Location:

134 Astronomy

Event Contact: Rebecca Bare
217-333-3090
rsbare@illinois.edu
Sponsor:

Department of Astronomy

Event Type: Seminar/Symposium
 

Galaxy mergers are a standard aspect of galaxy formation and evolution, and most (likely all) large galaxies contain supermassive black holes. As part of the merging process, the supermassive black holes should in-spiral together and eventually merge, generating a background of gravitational radiation in the nanohertz to microhertz regime.  An array of precisely timed pulsars spread across the sky can form a galactic-scale gravitational wave detector in the nanohertz band. I describe the current efforts to develop and extend the pulsar timing array concept, together with recent limits which have emerged from international efforts to constrain astrophysical phenomena at the heart of supermassive black hole mergers. 

To request disability-related accommodations for this event, please contact the person listed above, or the unit hosting the event.

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