Journal
PHYSICAL REVIEW LETTERS
Volume 116, Issue 13, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.116.131103
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Funding
- Australian Research Council
- EGO consortium
- Council of Scientific and Industrial Research of India
- Department of Science and Technology, India
- Science AMP
- Engineering Research Board (SERB), India
- Ministry of Human Resource Development, India
- Spanish Ministerio de Economia y Competitividad
- Conselleria d'Economia i Competitivitat
- Conselleria d'Educacio, Cultura i Universitats of the Govern de les Illes Balears
- National Science Centre of Poland
- European Commission
- Royal Society
- Scottish Funding Council
- Scottish Universities Physics Alliance
- Hungarian Scientific Research Fund (OTKA)
- Lyon Institute of Origins (LIO)
- National Research Foundation of Korea
- Industry Canada
- 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, and Innovation
- Russian Foundation for Basic Research
- Leverhulme Trust
- Research Corporation, Ministry of Science and Technology (MOST), Taiwan
- Kavli Foundation
- STFC [ST/N000080/1, ST/H002006/1, ST/K000845/1, ST/N005430/1, ST/I006269/1, ST/N000633/1, ST/I006285/1, ST/L000946/1, ST/M005844/1, ST/N00003X/1, PPA/G/S/2002/00652, Gravitational Waves, ST/K005014/1, PP/C505791/1, ST/L003465/1, ST/N000064/1, ST/N000072/1, ST/N005716/1, ST/J00166X/1, ST/J000019/1, ST/I006242/1, ST/M004090/1] Funding Source: UKRI
- Science and Technology Facilities Council [1362895, ST/N005430/1, ST/I006285/1, ST/N000072/1, ST/I006242/1, ST/K000845/1, ST/M004090/1, ST/L000954/1 Gravitational Waves, ST/N000080/1, ST/J00166X/1, ST/H002006/1, ST/N005716/1, ST/J000019/1, ST/I006269/1 Gravitational Waves, ST/N000633/1, ST/L003465/1, ST/I006242/1 Gravitational Waves, ST/K005014/1, ST/L000946/1, PPA/G/S/2002/00652, ST/N000064/1, Gravitational Waves, ST/I006269/1, ST/N00003X/1] Funding Source: researchfish
- Direct For Education and Human Resources
- Division Of Human Resource Development [1302873, 1242090] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [1104371, 1307401, 1506360, 1505932, 1505373, 1404139, 1205882, 1307020, 1505629, 1205512, 1505779] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1505308, 1305864, 1307429, 1506254, 1308527, 1125897, 1207010, 1505598, 1506497, 1204371, 1404395, 1151836] Funding Source: National Science Foundation
- National Research Foundation of Korea [2015R1D1A1A01060201] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Following a major upgrade, the two advanced detectors of the Laser Interferometer Gravitational-wave Observatory (LIGO) held their first observation run between September 2015 and January 2016. With a strain sensitivity of 10(-23) / root Hz at 100 Hz, the product of observable volume and measurement time exceeded that of all previous runs within the first 16 days of coincident observation. On September 14, 2015, the Advanced LIGO detectors observed a transient gravitational-wave signal determined to be the coalescence of two black holes [B. P. Abbott et al., Phys. Rev. Lett. 116, 061102 (2016)], launching the era of gravitational-wave astronomy. The event, GW150914, was observed with a combined signal-to-noise ratio of 24 in coincidence by the two detectors. Here, we present the main features of the detectors that enabled this observation. At full sensitivity, the Advanced LIGO detectors are designed to deliver another factor of 3 improvement in the signal-to-noise ratio for binary black hole systems similar in mass to GW150914.
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