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Observing gravitational-wave transient GW150914 with minimal assumptions

B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
Phys. Rev. D 93, 122004 – Published 7 June 2016; Erratum Phys. Rev. D 94, 069903 (2016)

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 600Mpc. 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 30M and a total mass before merger of 70M in the detector frame.

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  • Received 25 February 2016
  • Corrected 20 September 2016

DOI:https://doi.org/10.1103/PhysRevD.93.122004

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Gravitation, Cosmology & Astrophysics

Corrections

20 September 2016

Erratum

Publisher’s Note: Observing gravitational-wave transient GW150914 with minimal assumptions [Phys. Rev. D 93, 122004 (2016)]

B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
Phys. Rev. D 94, 069903 (2016)

Authors & Affiliations

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See Also

GW150914: First results from the search for binary black hole coalescence with Advanced LIGO

B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
Phys. Rev. D 93, 122003 (2016)

Article Text

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References

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Issue

Vol. 93, Iss. 12 — 15 June 2016

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