Royal Astronomical Society: Possible periodic activity in repeating FRBs

JMCx4

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Sep 3, 2017
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St. Louis, MO
The discovery that at least some Fast Radio Bursts (FRBs) repeat has ruled out cataclysmic events as the progenitors of these particular bursts. FRB 121102 is the most well-studied repeating FRB but despite extensive monitoring of the source, no underlying pattern in the repetition has previously been identified. ... Using the pulses detected in the (76 m Lovell telescop)e data along with pulses from the literature, we report a detection of periodic behaviour of the source over the span of 5 yr of data. We predict that the source is currently ‘off’ and that it should turn ‘on’ for the approximate MJD range 59002−59089 (2020 June 2 to 2020 August 28). ... If the period is real, it shows that repeating FRBs can have a large range in their activity periods that might be difficult to reconcile with neutron star precession models. ...

Read more at: Possible periodic activity in the repeating FRB 121102
 
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brokeu91

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Jul 4, 2017
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