Periodicity of repeating fast radio bursts indicates a neutron star with a nearby planet

Paper Title:

A candidate period of 4.605 day for FRB 20121102A and one possible implication of its origin

Published on:

25 April 2024

Primary Category:

High Energy Astrophysical Phenomena

Paper Authors:

Jixuan Li,

Yang Gao,

Di Li,

Kinwah Wu

Bullets

Key Details

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1145 bursts compiled from multiple radio telescopes over 5 years

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New phase-folding analysis method used to find periodicity

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157-day quasi-period confirms previous binary degenerate model

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Candidate 4.6-day period in high-energy bursts newly identified

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4.6-day period suggests close-by planet around primary neutron star

Explore the topics in this paper

binary systems

fast radio bursts

neutron stars

periodicity

repeating bursts

AI generated summary

Periodicity of repeating fast radio bursts indicates a neutron star with a nearby planet

The authors analyze over 1000 bursts from repeating fast radio burst FRB 20121102A, detecting a 157-day quasi-period consistent with a binary degenerate star system. Notably, they also find a 4.6-day candidate period only visible in high-energy bursts, indicative of a planet closely orbiting the primary neutron star.