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Search for Gravitational Wave Bursts from Six Magnetars

MPS-Authors
/persons/resource/persons40518

Allen,  B.
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Aufmuth,  P.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons40519

Aulbert,  C.
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons20655

Babak,  S.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Behnke,  B.
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Buonanno,  A.
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Burmeister,  O.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Chelkowski,  S.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Dahl,  K.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Danzmann,  K.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Eberle,  Tobias
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Grote,  H.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Grunewald,  S.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Harms,  J.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Hewitson,  M.
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Khalaidovski,  A.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Kuehn,  G.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Lastzka,  N.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Machenschalk,  B.
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Mossavi,  K.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Müller-Ebhardt,  H.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Papa,  M. A.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Röver,  C.
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Rüdiger,  A.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Santamaria,  L.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Schnabel,  R.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Schutz,  B. F.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Thüring,  A.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Vahlbruch,  H.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Wanner,  Alexander
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Willke,  B.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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1011.4079
(Preprint), 2MB

APJL_734_2_L35.pdf
(Any fulltext), 2MB

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Citation

The LIGO Scientific Collaboration, The Virgo Collaboration, Abadie, J., Abbott, B. P., Abbott, R., Abernathy, M., et al. (2011). Search for Gravitational Wave Bursts from Six Magnetars. Astrophysical Journal, Letters, 734(2): L35. doi:10.1088/2041-8205/734/2/L35.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-5161-A
Abstract
Soft gamma repeaters (SGRs) and anomalous X-ray pulsars (AXPs) are thought to
be magnetars: neutron stars powered by extreme magnetic fields. These rare
objects are characterized by repeated and sometimes spectacular gamma-ray
bursts. The burst mechanism might involve crustal fractures and excitation of
non-radial modes which would emit gravitational waves (GWs). We present the
results of a search for GW bursts from six galactic magnetars that is sensitive
to neutron star f-modes, thought to be the most efficient GW emitting
oscillatory modes in compact stars. One of them, SGR 0501+4516, is likely ~1
kpc from Earth, an order of magnitude closer than magnetars targeted in
previous GW searches. A second, AXP 1E 1547.0-5408, gave a burst with an
estimated isotropic energy >10^{44} erg which is comparable to the giant
flares. We find no evidence of GWs associated with a sample of 1279
electromagnetic triggers from six magnetars occurring between November 2006 and
June 2009, in GW data from the LIGO, Virgo, and GEO600 detectors. Our lowest
model-dependent GW emission energy upper limits for band- and time-limited
white noise bursts in the detector sensitive band, and for f-mode ringdowns (at
1090 Hz), are 3.0x10^{44} d_1^2 erg and 1.4x10^{47} d_1^2 erg respectively,
where d_1 = d_{0501} / 1 kpc and d_{0501} is the distance to SGR 0501+4516.
These limits on GW emission from f-modes are an order of magnitude lower than
any previous, and approach the range of electromagnetic energies seen in SGR
giant flares for the first time.