Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 35, Issue 6, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6382/aaaafa
Keywords
LIGO; detector characterization; compact binary coalescences
Categories
Funding
- Australian Research Council
- EGO consortium
- Council of Scientific and Industrial Research of India
- Department of Science and Technology, India
- Science & Engineering Research Board (SERB), India
- Ministry of Human Resource Development, India
- Spanish Agencia Estatal de Investigacion
- Vicepresidencia i Conselleria d'Innovacio, Recerca i Turisme
- Conselleria d'Educacio i Universitat del Govern de les Illes Balears
- Conselleria d'Educacio, Investigacio, Cultura i Esport de la Generalitat Valenciana
- National Science Centre of Poland
- Swiss National Science Foundation (SNSF)
- Russian Foundation for Basic Research
- Russian Science Foundation
- European Commission
- European Regional Development Funds (ERDF)
- Royal Society
- Scottish Funding Council
- Scottish Universities Physics Alliance
- Hungarian Scientific Research Fund (OTKA)
- Lyon Institute of Origins (LIO)
- National Research, Development and Innovation Office Hungary (NKFI)
- National Research Foundation of Korea
- Province of Ontario through the Ministry of Economic Development and Innovation
- Natural Science and Engineering Research Council Canada
- Canadian Institute for Advanced Research
- Brazilian Ministry of Science, Technology, Innovations, and Communications
- International Center for Theoretical Physics South American Institute for Fundamental Research (ICTP-SAIFR)
- Research Grants Council of Hong Kong
- National Natural Science Foundation of China (NSFC)
- Leverhulme Trust
- Ministry of Science and Technology (MOST), Taiwan
- Kavli Foundation
- STFC [ST/N005716/1, ST/I006269/1, ST/N005422/1, ST/K000365/1, ST/J000345/1, ST/N00003X/1, ST/J00166X/1, ST/N000064/1, ST/K005014/1, ST/I001085/1, ST/N000072/1, Gravitational Waves, ST/K005014/2, ST/N005406/1, ST/R00045X/1, ST/R000336/1, ST/L000911/1, ST/L003465/1, ST/M000931/1, ST/M006735/1, ST/M005844/1, ST/K000845/1, ST/G504284/1, ST/J000019/1, PPA/G/S/2002/00652, ST/P000258/1, ST/L000946/1, PP/F001118/1, ST/N005406/2, ST/I000887/1, ST/N000080/1, ST/I006242/1, ST/N000633/1, 1653089, 1653071, ST/N005481/1, ST/I006277/1, PP/F001096/1, ST/I006285/1, ST/L000954/1, ST/N005430/1, ST/J000361/1, ST/H002006/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/I006269/1, ST/J00166X/1, ST/P000258/1, ST/I006277/1, ST/L000954/1 Gravitational Waves, ST/N000064/1, PP/F001096/1, ST/R000336/1, ST/N005422/1, ST/G504284/1, ST/L003465/1, ST/L000911/1, ST/N005406/2, PPA/G/S/2002/00652, ST/N005430/1, ST/I000887/1, 1573115, ST/I001085/1 Gravitational Waves, ST/I000291/1, ST/K000845/1, ST/J000345/1, ST/I006269/1 Gravitational Waves, ST/N005481/1, ST/N000080/1, ST/I001085/1, ST/J000019/1 Gravitational Waves, ST/N00003X/1, ST/H002006/1, ST/L000954/1, 1096295, ST/J000361/1, ST/N000072/1, ST/I006285/1, 1653071, ST/K000365/1, ST/M005844/1, ST/I000887/1 Gravitational Waves, ST/N005716/1, ST/L000946/1, Gravitational Waves, ST/J000019/1, ST/I006242/1 Gravitational Waves, ST/N000633/1, ST/M006735/1, PP/F001118/1, ST/N005406/1, ST/I006242/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien [1607585] Funding Source: National Science Foundation
- Division Of Physics [1606654, 1404139] Funding Source: National Science Foundation
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The first observing run of Advanced LIGO spanned 4 months, from 12 September 2015 to 19 January 2016, during which gravitational waves were directly detected from two binary black hole systems, namely GW150914 and GW151226. Confident detection of gravitational waves requires an understanding of instrumental transients and artifacts that can reduce the sensitivity of a search. Studies of the quality of the detector data yield insights into the cause of instrumental artifacts and data quality vetoes specific to a search are produced to mitigate the effects of problematic data. In this paper, the systematic removal of noisy data from analysis time is shown to improve the sensitivity of searches for compact binary coalescences. The output of the PyCBC pipeline, which is a python-based code package used to search for gravitational wave signals from compact binary coalescences, is used as a metric for improvement. GW150914 was a loud enough signal that removing noisy data did not improve its significance. However, the removal of data with excess noise decreased the false alarm rate of GW151226 by more than two orders of magnitude, from 1 in 770 yr to less than 1 in 186 000 yr.
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