2016 March 28
Following up on my note from a month ago, Edo Berger and I have obtained follow-up data and written a paper on the claimed host association of FRB 150418. That paper is now in press in ApJ Letters, and a preprint is available on arxiv.org. Our data show that the claimed host galaxy is indeed a highly variable radio source, which in the context of the data shown in the Keane et al. paper means that there is no particular reason to think that the FRB originated there. We’re grateful to the NRAO and the Astrophysical Journal for making it possible to turn this project around so quickly!
Update (2016 Apr 13): I’ve updated the plot with the final observations of our program.
Earlier: On the origin of FRB 150418
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