Gezari, S; Halpem, J P; Grupe, Dirk; Yuan, Fang; Quimby, R; McKay, T A; Chamarro, D; Sisson, M D; Akerlof, C W; Wheeler, J Craig; Brown, P. J.
We report the discovery by the Robotic Optical Transient Search Experiment (ROTSE-IIIb) telescope of SN 2008es, an overluminous supernova (SN) at z = 0.205 with a peak visual magnitude of -22.2. We present multiwavelength follow-up observations with the Swift satellite and several ground-based optical telescopes. The ROTSE-IIIb observations constrain the time of explosion to be 23 ± 1 rest-frame days before maximum. The linear decay of the optical light curve, and the combination of a...[Show more]
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