Physics and Astronomy Colloquium - Xavier Siemens
4:30 PM
6:00 PM
\"Building a Galactic Scale Gravitational Wave Observatory\"

Xavier Siemens
University of Wisconsin-MilwaukeeCenter for Gravitation & Cosmology & the LIGO Scientific Collaboration, Department of Physics

For the last decade, the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) has been using the Green Bank and Arecibo radio telescopes to monitor millisecond pulsars. NANOGrav aims to directly detect low-frequency gravitational waves which cause small changes to the times of arrival of radio pulses.

In this talk I will discuss the work of the NANOGrav collaboration and our sensitivity to gravitational waves from astrophysical sources. I will show that a detection is possible in the next few years.
Physics & Astronomy Department,, 610-328-8258
Science Center : Science Center 199 - Cunniff Hall
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