Inferring the distances of fast radio bursts through associated 21-cm absorption

@article{Margalit2016InferringTD,
  title={Inferring the distances of fast radio bursts through associated 21-cm absorption},
  author={B. Margalit and A. Loeb},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2016},
  volume={460}
}
  • B. Margalit, A. Loeb
  • Published 2016
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • The distances of Fast Radio Burst (FRB) sources are currently unknown. We show that the 21-cm absorption line of hydrogen can be used to infer the redshifts of FRB sources, and determine whether they are Galactic or extragalactic. We calculate a probability of ∼ 10% for the host galaxy of an FRB to exhibit a 21-cm absorption feature of equivalent width & 10 km s−1. Arecibo, along with several future radio observatories, should be capable of detecting such associated 21-cm absorption signals for… CONTINUE READING
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