Detection of a Supernova Signature Associated with GRB 011121
Bloom, J S; Kulkarni, Shrinivas R; Price, Paul; Reichart, D E; Galama, T J; Schmidt, Brian; Frail, Dale A; Berger, Edo; McCarthy, P J; Chevalier, Roger A; Wheeler, J Craig; Halpern, J.; Fox, Derek B; Djorgovski, S G; Harrison, F A; Sari, R; Kimble, Randy A; Axelrod, Tim; Holtzman, Jon A; Hurley, K C; Frontera, F; Piro, L; Costa, E
Using observations from an extensive monitoring campaign with the Hubble Space Telescope, we present the detection of an intermediate-time flux excess that is redder in color relative to the afterglow of GRB 011121, currently distinguished as the gamma-ray burst with the lowest known redshift. The red "bump," which exhibits a spectral rollover at ∼7200 A, is well described by a redshifted Type le supernova that occurred approximately at the same time as the gamma-ray burst event. The inferred...[Show more]
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|Source:||Astrophysical Journal, The|
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