No precise localization for FRB 150418: claimed radio transient is AGN variability

@article{Williams2016NoPL,
  title={No precise localization for FRB 150418: claimed radio transient is AGN variability},
  author={P. Williams and E. Berger},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2016}
}
Keane et al. have recently claimed to have obtained the first precise localization for a Fast Radio Burst (FRB) thanks to the identification of a contemporaneous fading slow (~week-timescale) radio transient. They use this localization to pinpoint the FRB to a galaxy at z ~ 0.49 that exhibits no discernable star formation activity. We argue that the transient is not genuine and that the host candidate, WISE J071634.59-190039.2, is instead a radio variable: the available data did not exclude… Expand
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