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Free keywords:
General Relativity and Quantum Cosmology, gr-qc, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
Abstract:
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.
