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A bright burst from FRB 20200120E in a globular cluster of the nearby galaxy M81

Author

Listed:
  • S. B. Zhang

    (Chinese Academy of Sciences)

  • J. S. Wang

    (Max-Planck-Institut für Kernphysik)

  • X. Yang

    (Chinese Academy of Sciences
    University of Science and Technology of China)

  • Y. Li

    (Chinese Academy of Sciences)

  • J. J. Geng

    (Chinese Academy of Sciences)

  • Z. F. Tang

    (Chinese Academy of Sciences
    University of Science and Technology of China)

  • C. M. Chang

    (Chinese Academy of Sciences
    University of Science and Technology of China)

  • J. T. Luo

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • X. C. Wang

    (Chinese Academy of Sciences)

  • X. F. Wu

    (Chinese Academy of Sciences
    University of Science and Technology of China)

  • Z. G. Dai

    (University of Science and Technology of China)

  • B. Zhang

    (University of Nevada
    University of Nevada)

Abstract

Fast radio bursts (FRBs) are immensely energetic millisecond-duration radio pulses. Observations indicate that nearby FRBs can be produced by old stellar populations, as suggested by the localization of the repeating source FRB 20200120E in a globular cluster of M81. Nevertheless, the burst energies of FRB 20200120E are significantly smaller than those of other cosmological FRBs. Here, we report the detection of a bright burst from FRB 20200120E in 1.1 – 1.7 GHz, with a fluence of approximately 30 Jy ms, which is more than 42 times larger than the previously detected bursts near 1.4 GHz frequency. It reaches one-third of the energy of the weakest burst from FRB 20121102A and is detectable at a distance exceeding 200 Mpc. Our finding bridges the gap between nearby and cosmological FRBs and indicates that FRBs hosted in globular clusters can be bright enough to be observable at cosmological distances.

Suggested Citation

  • S. B. Zhang & J. S. Wang & X. Yang & Y. Li & J. J. Geng & Z. F. Tang & C. M. Chang & J. T. Luo & X. C. Wang & X. F. Wu & Z. G. Dai & B. Zhang, 2024. "A bright burst from FRB 20200120E in a globular cluster of the nearby galaxy M81," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-51711-0
    DOI: 10.1038/s41467-024-51711-0
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