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First Search for Gravitational Waves from Known Pulsars with Advanced LIGO

par Abbott, Benjamin P.;Collette, Christophe ; [et al.]
Référence The Astrophysical journal, 839, 1, 12
Publication Publié, 2017

Article révisé par les pairs

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Résumé :

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.