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|a Aggarwal, Nancy
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|a Lincoln Laboratory
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|a Massachusetts Institute of Technology. Department of Physics
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|a Massachusetts Institute of Technology. Laboratory for Nuclear Science
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|a MIT Kavli Institute for Astrophysics and Space Research
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|a LIGO
|q (Observatory : Massachusetts Institute of Technology)
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|a Aggarwal, Nancy
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|a Barsotti, Lisa
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|a Biscans, Sebastien
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|a Brown, N. M.
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|a Buikema, Aaron
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|a Donovan, Frederick J
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|a Eisenstein, Robert Alan
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|a Essick, Reed Clasey
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|a Evans, Matthew J
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|a Fernandez Galiana, Alvaro-Miguel
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|a Fritschel, Peter K
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|a Gras, Slawomir
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|a Katsavounidis, Erotokritos
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|a Kontos, Antonios
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|a Lanza Jr, Robert K
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|a Libson, Adam A.
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|a Lynch, Ryan Christopher
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|a MacInnis, Myron E
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|a Martynov, Denis
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|a Mason, Kenneth R
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|a Matichard, Fabrice
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|a Mavalvala, Nergis
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|a McCuller, Lee P
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|a Miller, John
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|a Mittleman, Richard K
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|a Ray Pitambar Mohapatra, Satyanarayan
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|a Oelker, Eric Glenn
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|a Shoemaker, David H
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|a Tse, Maggie
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|a Vitale, Salvatore
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|a Weiss, Rainer
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|a Yam, William
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|a Yu, Hang
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|a Yu, Haocun
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|a Zucker, Michael E
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|a Barsotti, Lisa
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|a Biscans, Sebastien
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|a Brown, N. M.
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|a Buikema, Aaron
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|a Donovan, Frederick J
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|a Eisenstein, Robert Alan
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|a Essick, Reed Clasey
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|a Evans, Matthew J
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|a Fernandez Galiana, Alvaro-Miguel
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|a Fritschel, Peter K
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|a Gras, Slawomir
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|a Katsavounidis, Erotokritos
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|a Kontos, Antonios
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|a Lanza Jr, Robert K
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|a Libson, Adam A.
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|a Lynch, Ryan Christopher
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|a MacInnis, Myron E
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|a Martynov, Denis
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|a Mason, Kenneth R
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|a Matichard, Fabrice
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|a Mavalvala, Nergis
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|a McCuller, Lee P
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|a Miller, John
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|a Mittleman, Richard K
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|a Ray Pitambar Mohapatra, Satyanarayan
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|a Oelker, Eric Glenn
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|a Shoemaker, David H
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|a Tse, Maggie
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|a Vitale, Salvatore
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|a Weiss, Rainer
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|a Yam, William
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|a Yu, Hang
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|a Yu, Haocun
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|a Zucker, Michael E
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|a GW170104: Observation of a 50-Solar-Mass Binary Black Hole Coalescence at Redshift 0.2
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|b American Physical Society,
|c 2017-06-01T18:00:41Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/109512
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|a We describe the observation of GW170104, a gravitational-wave signal produced by the coalescence of a pair of stellar-mass black holes. The signal was measured on January 4, 2017 at 10∶11:58.6 UTC by the twin advanced detectors of the Laser Interferometer Gravitational-Wave Observatory during their second observing run, with a network signal-to-noise ratio of 13 and a false alarm rate less than 1 in 70 000 years. The inferred component black hole masses are 31.2[superscript +8.4] [subscript −6.0]M⊙ and 19.4 [superscript +5.3] [subscript −5.9]M⊙ (at the 90% credible level). The black hole spins are best constrained through measurement of the effective inspiral spin parameter, a mass-weighted combination of the spin components perpendicular to the orbital plane, χ [subscript eff] = −0.12[superscript +0.21] [subscript −0.30]. This result implies that spin configurations with both component spins positively aligned with the orbital angular momentum are disfavored. The source luminosity distance is 880 [superscript +450] [subscript −390] Mpc corresponding to a redshift of z = 0.18[superscript +0.08][subscript −0.07]. We constrain the magnitude of modifications to the gravitational-wave dispersion relation and perform null tests of general relativity. Assuming that gravitons are dispersed in vacuum like massive particles, we bound the graviton mass to m[subscript g] ≤ 7.7 × 10 [superscript −23] eV/c[superscript 2]. In all cases, we find that GW170104 is consistent with general relativity.
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|a National Science Foundation (U.S.)
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|a Kavli Foundation
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|a en_US
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|a Article
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|t Physical Review Letters
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