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arXiv · 2002.02553

Orbit-induced spin precession as an origin of periodicity in periodically-repeating fast radio bursts

Huan Yang·Yuan-Chuan Zou
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Abstract

FRB 180916.J0158+65 has been found to repeatedly emit fast radio bursts with the period in roughly 16 days. We propose that such periodicity comes from orbit-induced, spin precession of the emitter, which is possibly a neutron star. Depending on the mass of the companion, the binary period ranges from several hundred to thousands of seconds. Such tight binaries have a relatively short lifetime, which does not likely come from the gravitational decay of a wide binary. We comment on the relation to GW190425 and the possibility in LISA and LIGO detections.

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Huan Yang, Yuan-Chuan Zou. 2020-02-06. Orbit-induced spin precession as an origin of periodicity in periodically-repeating fast radio bursts. https://doi.org/10.3847/2041-8213/ab800f

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