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Results from the first all-sky search for continuous gravitational waves from small-ellipticity sources

MPG-Autoren
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Dergachev,  Vladimir
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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2004.08334.pdf
(Preprint), 2MB

PhysRevLett.125.171101.pdf
(Verlagsversion), 2MB

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Zitation

Dergachev, V., & Papa, M. A. (2020). Results from the first all-sky search for continuous gravitational waves from small-ellipticity sources. Physical Review Letters, 125(17): 171101. doi:10.1103/PhysRevLett.125.171101.


Zitierlink: https://hdl.handle.net/21.11116/0000-0006-51CC-9
Zusammenfassung
We present the results of an all-sky search for continuous gravitational wave
signals with frequencies in the 500-1700 Hz range targeting neutron stars with
ellipticity of 1e-8. The search is done on LIGO O2 data set using Falcon
analysis pipeline. The results presented here double the sensitivity over LIGO
O2 data results. The search is capable of detecting low ellipticity sources up
to 170 pc. We establish strict upper limits which hold for worst-case signal
parameters. We list outliers uncovered by the search, including several which
we cannot associate with any known instrumental cause.