First search for gravitational waves from known pulsars with Advanced LIGO

LIGO Scientific Collaboration and Virgo Collaborations

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We present the result of searches for gravitational waves from 200 pulsars using data from the first observing run of the Advanced LIGO detectors. We find no significant evidence for a gravitational-wave signal from any of these pulsars, but we are able to set the most constraining upper limits yet on their gravitational-wave amplitudes and ellipticities. For eight of these pulsars, our upper limits give bounds that are improvements over the indirect spin-down limit values. For another 32, we are within a factor of 10 of the spin-down limit, and it is likely that some of these will be reachable in future runs of the advanced detector. Taken as a whole, these new results improve on previous limits by more than a factor of two.

Original languageEnglish
Article number12
JournalThe Astrophysical Journal
Issue number1
Publication statusPublished - 10 Apr 2017


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