the dawn of gravitational wave...
TRANSCRIPT
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40 Scientific American, October 2013 Photograph by Tktk Tktk
sad1013Ande3p.indd 40 8/21/13 1:12 PM
The dawn of gravitational wave astronomy
Neil J. CornishMontana State University
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Gravity Research in the Rockies
www.tetongravity.com
www.montana.edu/xgi
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What is eXtreme Gravity?
Gravity Strength
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eXtreme Gravity eXplorers
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Ripples in Spacetime
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h+ h×
h×
h+
∆L(t) ∼ h(t) L
Detecting Gravitational Waves
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Gravitational Wave Telescopes
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Early Morning, September 14 2015
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reconstruction of the signal
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Made @ MSU
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Rai Weiss
GW150914: A story 40+ years in the making
Kip Thorne Ron Drever
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Rai Weiss Kip Thorne Ron Drever
GW150914: A story 40+ years in the making
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Earlier claims of detection
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Rai Weiss, 1972 design for what became LIGO
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R. E. Vogt, R. W. P. Drever, K. S. Thorne, F. J. Raab and R. Weiss (Caltech & MIT), “Construction, operation, and supporting
research and development of a Laser Interferometer Gravitational-wave
Observatory”, proposal to NSF, 1989
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LIGO Timeline• Conceived in the early 70’s, Chapman, Forward, Weiss
• 1984, Caltech and MIT form LIGO collaboration, jointly lead by Drever, Weiss and Thorne
• 1989 proposal to the National Science Foundation
• 1991 construction approved
• 1998 facility construction complete
• 2002 first observing run for the first generation detectors
• 2015 first observing run for the second generation detectors
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LIGO sensitivity over time
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Einstein's Unfinished Symphony: Listening to the Sounds of Space-Time by Marcia Bartusiak, 2000
Black Hole Blues and Other Songs from Outer Space by Janna Levin 2016
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37 mm 39 m
Where will Gravitational Wave Astronomy be in 400 years?