A gamma-ray burst’s engine stayed active for nearly a month, breaking the previous record

October 6, 2026 · 5:20 pm 1 sources

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• A gamma-ray burst's engine stayed active for nearly a month, breaking the previous record
  Phys.org · October 6, 2026 17:20
  Astronomers have observed the longest-lasting central engine activity ever recorded from a gamma-ray burst. The burst occurred at a redshift of 0.8577, and the activity lasted about 27 days in the burst's own rest frame—around 20 days longer than the previous record. The paper, posted to the arXiv…