@article{article, title = {{Searches for gravitational waves from known pulsars at two harmonics in 2015-2017 LIGO data}}, publisher = {{IOP Publishing, for the American Astronomical Society}}, url = {{https://eprints.whiterose.ac.uk/id/eprint/158305 }}, year = {{2019}}, month = {{6}}, author = {{Abbott BP and Abbott R and Abbott TD and Abraham S and Acernese F and Ackley K and Adams C and Adhikari RX and Adya VB and Affeldt C and Agathos M et al}}, doi = {{10.3847/1538-4357/ab20cb}}, volume = {{879}}, journal = {{Astrophysical Journal}}, issue = {{1}}, note = {{Accessed on 2025/11/23}}}