Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 38, Issue 13, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6382/abfd85
Keywords
interferometer; detector characterization; LIGO; gravitational waves
Categories
Funding
- United States National Science Foundation (NSF)
- Science and Technology Facilities Council (STFC) of the United Kingdom
- Max-Planck-Society (MPS)
- Australian Research Council
- National Science Foundation [PHY-1764464, PHY-0757058, PHY-0823459]
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This paper details the methods used to characterize the Advanced LIGO detectors, curate publicly available datasets, and the essential role of these datasets in LIGO-Virgo Collaboration analyses. Anticipated changes in detector characterization and efforts to prepare for the high rate of gravitational-wave alerts and events in future observing runs are also discussed.
The characterization of the Advanced LIGO detectors in the second and third observing runs has increased the sensitivity of the instruments, allowing for a higher number of detectable gravitational-wave signals, and provided confirmation of all observed gravitational-wave events. In this work, we present the methods used to characterize the LIGO detectors and curate the publicly available datasets, including the LIGO strain data and data quality products. We describe the essential role of these datasets in LIGO-Virgo Collaboration analyses of gravitational-waves from both transient and persistent sources and include details on the provenance of these datasets in order to support analyses of LIGO data by the broader community. Finally, we explain anticipated changes in the role of detector characterization and current efforts to prepare for the high rate of gravitational-wave alerts and events in future observing runs.
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