Abstract
In this paper, I review the latest results by the LIGO-Virgo-Kagra Collaboration for the targeted search of continuous gravitational waves (CWs) from 236 pulsars. First, I present an overview of the types of the CW search. Then, I show the results obtained using data from the third observing run of LIGO and Virgo detectors combined with data from the second observing run. No evidence of gravitational waves has been found but it is possible to set upper limits on the CW amplitude and on the pulsar ellipticity at 95% confidence level. 23 of the analyzed pulsars have strain amplitudes that are lower than the limits calculated from their electromagnetically measured spin-down rates.
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