THE AFTERGLOW OF GRB 130427A FROM 1 TO 10<sup>16</sup>GHz
THE AFTERGLOW OF GRB 130427A FROM 1 TO 10<sup>16</sup>GHz
We present multiwavelength observations of the afterglow of GRB 130427A, the brightest (in total fluence) gamma-ray burst (GRB) of the past 29 yr. Optical spectroscopy from Gemini-North reveals the redshift of the GRB to be z = 0.340, indicating that its unprecedented brightness is primarily the result of its relatively …