A Bright Millisecond Radio Burst of Extragalactic Origin

@article{Lorimer2007ABM,
  title={A Bright Millisecond Radio Burst of Extragalactic Origin},
  author={Duncan R. Lorimer and Matthew Bailes and Maura Mclaughlin and D J Narkevic and F. Crawford},
  journal={Science},
  year={2007},
  volume={318},
  pages={777 - 780}
}
Pulsar surveys offer a rare opportunity to monitor the radio sky for impulsive burst-like events with millisecond durations. We analyzed archival survey data and found a 30-jansky dispersed burst, less than 5 milliseconds in duration, located 3° from the Small Magellanic Cloud. The burst properties argue against a physical association with our Galaxy or the Small Magellanic Cloud. Current models for the free electron content in the universe imply that the burst is less than 1 gigaparsec distant… 

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    Proceedings of 36th International Cosmic Ray Conference — PoS(ICRC2019)
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