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A nebular origin for the persistent radio emission of fast radio bursts

Author

Listed:
  • Gabriele Bruni

    (INAF (Istituto Nazionale di Astrofisica))

  • Luigi Piro

    (INAF (Istituto Nazionale di Astrofisica))

  • Yuan-Pei Yang

    (Yunnan University
    Chinese Academy of Sciences)

  • Salvatore Quai

    (Università degli Studi di Bologna (UNIBO)
    INAF (Istituto Nazionale di Astrofisica))

  • Bing Zhang

    (University of Nevada
    University of Nevada)

  • Eliana Palazzi

    (INAF (Istituto Nazionale di Astrofisica))

  • Luciano Nicastro

    (INAF (Istituto Nazionale di Astrofisica))

  • Chiara Feruglio

    (INAF (Istituto Nazionale di Astrofisica)
    IFPU: Institute for Fundamental Physics of the Universe)

  • Roberta Tripodi

    (INAF (Istituto Nazionale di Astrofisica)
    IFPU: Institute for Fundamental Physics of the Universe
    Università degli Studi di Trieste)

  • Brendan O’Connor

    (Carnegie Mellon University)

  • Angela Gardini

    (CSIC (Consejo Superior de Investigaciones Científicas))

  • Sandra Savaglio

    (INAF (Istituto Nazionale di Astrofisica)
    Università della Calabria
    INFN (Istituto Nazionale di Fisica Nucleare))

  • Andrea Rossi

    (INAF (Istituto Nazionale di Astrofisica))

  • Ana M. Nicuesa Guelbenzu

    (Thüringer Landessternwarte Tautenburg)

  • Rosita Paladino

    (INAF (Istituto Nazionale di Astrofisica))

Abstract

Fast radio bursts (FRBs) are millisecond-duration, bright (approximately Jy) extragalactic bursts, whose production mechanism is still unclear1. Recently, two repeating FRBs were found to have a physically associated persistent radio source of non-thermal origin2,3. These two FRBs have unusually large Faraday rotation measure values2,3, probably tracing a dense magneto-ionic medium, consistent with synchrotron radiation originating from a nebula surrounding the FRB source4–8. Recent theoretical arguments predict that, if the observed Faraday rotation measure mostly arises from the persistent radio source region, there should be a simple relation between the persistent radio source luminosity and the rotation measure itself7,9. Here we report the detection of a third, less luminous persistent radio source associated with the repeating FRB source FRB 20201124A at a distance of 413 Mpc, substantially expanding the predicted relation into the low luminosity–low Faraday rotation measure regime (

Suggested Citation

  • Gabriele Bruni & Luigi Piro & Yuan-Pei Yang & Salvatore Quai & Bing Zhang & Eliana Palazzi & Luciano Nicastro & Chiara Feruglio & Roberta Tripodi & Brendan O’Connor & Angela Gardini & Sandra Savaglio , 2024. "A nebular origin for the persistent radio emission of fast radio bursts," Nature, Nature, vol. 632(8027), pages 1014-1016, August.
    • Handle: RePEc:nat:nature:v:632:y:2024:i:8027:d:10.1038_s41586-024-07782-6
    DOI: 10.1038/s41586-024-07782-6
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