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  Search for Gravitational Waves Associated with Gamma-Ray Bursts During the First Advanced LIGO Observing Run and Implications for the Origin of GRB 150906B

The LIGO Scientific Collaboration, The Virgo Collaboration, IPN Collaboration, Abbott, B. P., Abbott, R., Abbott, T. D., et al. (2017). Search for Gravitational Waves Associated with Gamma-Ray Bursts During the First Advanced LIGO Observing Run and Implications for the Origin of GRB 150906B. The Astrophysical Journal, 841(2): 89. doi:10.3847/1538-4357/aa6c47.

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The LIGO Scientific Collaboration, Author              
The Virgo Collaboration, Author              
IPN Collaboration, Author              
Abbott, B. P., Author
Abbott, R., Author
Abbott, T. D., Author
Abernathy, M. R., Author
Acernese, F., Author
Ackley, K., Author
Adams, C., Author
Adams, T., Author
Addesso, P., Author
Adhikari, R. X., Author
Adya, V. B.1, Author
Affeldt, C.2, Author           
Agathos, M., Author
Agatsuma, K., Author
Aggarwal, N., Author
Aguiar, O. D., Author
Aiello, L., Author
more..
Affiliations:
1AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24009              
2Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
3Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              
4Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              
5AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, ou_24008              
6Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,General Relativity and Quantum Cosmology, gr-qc
 Abstract: We present the results of the search for gravitational waves (GWs) associated
with gamma-ray bursts (GRBs) detected during the first observing run of the
Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO), which took
place between September 12, 2015 and January 19, 2016. We perform a modeled
search for coalescences of either two neutron stars (NSs) or an NS and a
stellar-mass black hole (BH), and a search for unmodeled GW transients using
minimal assumptions about the signal morphology. We search for GW signals
associated with the 41 GRBs for which LIGO data are available with sufficient
duration. We find no evidence of a GW signal for any of them. For all GRBs, we
place lower bounds on the distance to the source using the optimistic
assumption that GWs with an energy of $10^{-2}M_\odot c^2$ were emitted at a
given frequency, and find a median 90% confidence limit of 71Mpc at 150Hz. For
the subset of 19 short-hard GRBs, we place lower bounds on distance with a
median 90% confidence limit of 90Mpc for NS-NS coalescences, and 150Mpc and
139Mpc for NS-BH coalescences with spins aligned to the orbital angular
momentum and in a generic configuration, respectively. These distance limits
are higher than any other ones placed by previous GW searches. Further, we
discuss in detail the results of the search for GWs associated with GRB
150906B, a GRB that was localized by the InterPlanetary Network near the local
galaxy NGC 3313, which is at a luminosity distance of 54Mpc (z=0.0124).
Assuming the gamma-ray emission is beamed with a jet half-opening angle $\leq
30^{\circ}$, we exclude an NS-NS and an NS-BH in NGC 3313 as the progenitor of
this event with confidence >99%. In addition, under the same assumption for the
jet half-opening angle, we found no evidence for an NS-NS and an NS-BH GW
signal associated with GRB 150906B up to a distance of 102Mpc and 170Mpc,
respectively.

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 Dates: 2016-11-232016-11-242017
 Publication Status: Issued
 Pages: 20 pages, 6 figures, 3 tables
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Degree: -

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Title: The Astrophysical Journal
Source Genre: Journal
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Pages: - Volume / Issue: 841 (2) Sequence Number: 89 Start / End Page: - Identifier: -