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Journal Article

Results from an Einstein@Home search for continuous gravitational waves from G347.3 at low frequencies in LIGO O2 data

MPS-Authors
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Ming,  Jing
Searching for Continuous Gravitational Waves, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Papa,  Maria Alessandra
Searching for Continuous Gravitational Waves, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Eggenstein,  Heinz-Bernd
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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

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Steltner,  Benjamin
Searching for Continuous Gravitational Waves, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Prix,  Reinhard
Searching for Continuous Gravitational Waves, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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

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

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2108.02808.pdf
(Preprint), 2MB

Ming_2022_ApJ_925_8.pdf
(Publisher version), 2MB

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Citation

Ming, J., Papa, M. A., Eggenstein, H.-B., Machenschalk, B., Steltner, B., Prix, R., et al. (2022). Results from an Einstein@Home search for continuous gravitational waves from G347.3 at low frequencies in LIGO O2 data. The Astrophysical Journal, 925(1): 8. doi:10.3847/1538-4357/ac35cb.


Cite as: https://hdl.handle.net/21.11116/0000-0009-E3DC-F
Abstract
We present results of a search for periodic gravitational wave signals with
frequency between 20 and 400 Hz, from the neutron star in the supernova remnant
G347.3-0.5, using LIGO O2 public data. The search is deployed on the volunteer
computing project Einstein@Home, with thousands of participants donating
compute cycles to make this endevour possible. We find no significant signal
candidate and set the most constraining upper limits to date on the amplitude
of gravitational wave signals from the target, corresponding to deformations
below $10^{-6}$ in a large part of the band. At the frequency of best strain
sensitivity, near $166$ Hz, we set 90\%\ confidence upper limits on the
gravitational wave intrinsic amplitude of $h_0^{90\%}\approx
7.0\times10^{-26}$. Over most of the frequency range our upper limits are a
factor of 20 smaller than the indirect age-based upper limit.