Observing gravitational-wave transient GW150914 with minimal assumptions
Name
PhysRevD.93.122004.pdf
Size
1.2 MB
Format
Adobe PDF
Checksum (MD5)
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Author(s)
Abbott, B. P.
Abbott, R.
Abbott, T. D.
Abernathy, M. R.
Acernese, F.
Ackley, K.
Adams, C.
Adams, T.
Addesso, P.
Adhikari, R. X.
Date Issued
June 2016
Journal
Physical Review D
Publisher
American Physical Society
Citation
Abbott, B. P.; Abbott, R.; Abbott, T. D. et al. "Observing gravitational-wave transient GW150914 with minimal assumptions." Physical Review D 93, 12 (June 2016): 122004 © 2016 American Physical Society
Version
Final published version
Abstract
The gravitational-wave signal GW150914 was first identified on September 14, 2015, by searches for short-duration gravitational-wave transients. These searches identify time-correlated transients in multiple detectors with minimal assumptions about the signal morphology, allowing them to be sensitive to gravitational waves emitted by a wide range of sources including binary black hole mergers. Over the observational period from September 12 to October 20, 2015, these transient searches were sensitive to binary black hole mergers similar to GW150914 to an average distance of ∼600 Mpc. In this paper, we describe the analyses that first detected GW150914 as well as the parameter estimation and waveform reconstruction techniques that initially identified GW150914 as the merger of two black holes. We find that the reconstructed waveform is consistent with the signal from a binary black hole merger with a chirp mass of ∼30 M[subscript ⊙] and a total mass before merger of ∼70 M[subscript ⊙] in the detector frame.
MIT Department
Lincoln Laboratory
Massachusetts Institute of Technology. Department of Physics
MIT Kavli Institute for Astrophysics and Space Research
LIGO (Observatory : Massachusetts Institute of Technology)
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DOI of Published Version
http://dx.doi.org/10.1103/PhysRevD.93.122004
