Bulletin of the American Physical Society
2014 Annual Meeting of the Mid-Atlantic Section of the APS
Volume 59, Number 9
Friday–Sunday, October 3–5, 2014; University Park, Pennsylvania
Session J1: Plenary Session VI |
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Chair: Niel Brandt, Pennsylvania State University Room: Thomas Building 101 |
Sunday, October 5, 2014 11:30AM - 12:06PM |
J1.00001: NANOGrav: Building a Galactic Scale Gravitational Wave Observatory Invited Speaker: Maura McLaughlin Gravitational waves, or ripples in spacetime, are a key prediction of Einstein's theory of General Relativity. A massive worldwide effort is underway to detect these waves using a variety of techniques. The NANOGrav (North American Nanohertz Observatory for Gravitational Waves) collaboration aims to detect and characterize these waves at low frequencies through ultra-precise timing of an array of millisecond pulsars. The primary expected sources are supermassive black hole binaries, which could be detectable as a stochastic background or as individual sources. I will give an overview of the observational strategies and detection algorithms used for various source classes. I will describe the dramatic gains in sensitivity that are expected from discoveries of additional millisecond pulsars, more sensitive instrumentation, improved detection algorithms, and international collaboration. Finally, I will discuss the likely time to gravitational wave detection using pulsar timing under various scenarios. [Preview Abstract] |
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