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A FAST RADIO BURST IN THE DIRECTION OF THE CARINA DWARF SPHEROIDAL GALAXY
Astrophysical Journal Letters
We report the real-time discovery of a fast radio burst (FRB 131104) with the Parkes radio telescope in a targeted observation of the Carina dwarf spheroidal galaxy. The dispersion measure of the burst is 779 cm^-3 pc, exceeding predictions for the maximum line-of-sight Galactic contribution by a factor of 11. The temporal structure of the burst is characterized by an exponential scattering tail with a timescale of 2.0^+0.8_-0.5 ms at 1582 MHz that scales as frequency to the powerdoi:10.1088/2041-8205/799/1/l5 fatcat:mfqjsyu5hjauxmagyn3ajo6wlm