Control strategy to limit duty cycle impact of earthquakes on the LIGO gravitational-wave detectors
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1707.03466.pdf
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612.95 KB
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Author(s)
Biscans, Sebastien
Warner, J
Mittleman, Richard K
Buchanan, C
Coughlin, M
Evans, M.
Gabbard, H
Harms, J
Lantz, B
Mukund, N
Date Issued
January 2018
Journal
Classical and Quantum Gravity
Publisher
IOP Publishing
Citation
Biscans, S, J Warner, R Mittleman, C Buchanan, M Coughlin, M Evans, H Gabbard, et al. “Control Strategy to Limit Duty Cycle Impact of Earthquakes on the LIGO Gravitational-Wave Detectors.” Classical and Quantum Gravity 35, 5 (January 2018): 055004 © 2018 IOP Publishing
Version
Original manuscript
Abstract
Advanced gravitational-wave detectors such as the laser interferometer gravitational-wave observatories (LIGO) require an unprecedented level of isolation from the ground. When in operation, they measure motion of less than 10-19 m. Strong teleseismic events like earthquakes disrupt the proper functioning of the detectors, and result in a loss of data. An earthquake early-warning system, as well as a prediction model, have been developed to understand the impact of earthquakes on LIGO. This paper describes a control strategy to use this early-warning system to reduce the LIGO downtime by ∼30%. It also presents a plan to implement this new earthquake configuration in the LIGO automation system.
MIT Department
LIGO (Observatory : Massachusetts Institute of Technology)
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DOI of Published Version
https://doi.org/10.1088/1361-6382/AAA4AA
