Abstract
In order to increase the reach of the astrophysical searches, various sources of instrumental and environmental noise must be identified and ameliorated. Here we discuss efforts to understand the origin of noise manifested as short-duration bursts (glitches) and/or range-impacting features at LIGO Hanford. Several examples found at LIGO Hanford Observatory in O1 and O2 were identified including glitches due to an air compressor, ringing phone, airplanes, and an incorrect servo setting, and a decrease in detector sensitivity due to truck traffic.
Highlights
We discuss efforts to understand the origin of noise manifested as short-duration bursts and/or range-impacting features at LIGO Hanford
Several examples found at LIGO Hanford Observatory in O1 and O2 were identified including glitches due to an air compressor, ringing phone, airplanes, and an incorrect servo setting, and a decrease in detector sensitivity due to truck traffic
GW150914, the first direct detection of gravitational waves from a binary black hole merger was a milestone for physics and astronomy [1]
Summary
- The LIGO Open Science Center Michele Vallisneri, Jonah Kanner, Roy Williams et al. - Optimizing vetoes for gravitational-wave transient searches R Essick, L Blackburn and E Katsavounidis.
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