The Faint Optical Afterglow and Host Galaxy of GRB 020124: Implications for the Nature of Dark Gamma-ray Bursts
Berger, Edo; Kulkarni, Shrinivas R; Bloom, J S; Price, Paul; Fox, Derek B; Frail, Dale A; Axelrod, Tim; Chevalier, Roger A; Colbert, E; Costa, E; Djorgovski, S G; Frontera, F; Galama, T J; Halpern, J.; Harrison, F A; Holtzman, Jon A; Hurley, K C; Kimble, Randy A; McCarthy, P J; Piro, L; Reichart, D E; Ricker, G R; Sari, R; Schmidt, Brian; Wheeler, J Craig; Vanderppek, R; Yost, S A
We present ground-based optical observations of GRB 020124 starting 1.6 hr after the burst, as well as subsequent Very Large Array and Hubble Space Telescope (HST) observations. The optical afterglow of GRB 020124 is one of the faintest afterglows detected to date, and it exhibits a relatively rapid decay, Fv ∝ t-1.60±0.04, followed by further steepening. In addition, a weak radio source was found coincident with the optical afterglow. The HST observations reveal that a positionally coincident...[Show more]
|Collections||ANU Research Publications|
|Source:||Astrophysical Journal, The|
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