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All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO O2 data

Author(s)
Kim, Y-MAbbott, B. P.
Issued Date
2019-07
DOI
10.1103/PhysRevD.100.024004
URI
https://scholarworks.unist.ac.kr/handle/201301/27236
Fulltext
https://journals.aps.org/prd/abstract/10.1103/PhysRevD.100.024004
Citation
PHYSICAL REVIEW D, v.100, no.2, pp.024004
Abstract
We present results of an all-sky search for continuous gravitational waves (CWs), which can be produced by fast spinning neutron stars with an asymmetry around their rotation axis, using data from the second observing run of the Advanced LIGO detectors. Three different semicoherent methods are used to search in a gravitational-wave frequency band from 20 to 1922 Hz and a first frequency derivative from -1 x 10(-8) to 2 x 10(-9) Hz/s. None of these searches has found clear evidence for a CW signal, so upper limits on the gravitational-wave strain amplitude are calculated, which for this broad range in parameter space are the most sensitive ever achieved.
Publisher
AMER PHYSICAL SOC
ISSN
2470-0010

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