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Session 55 - Gamma Ray Burst Breakthrough.
Oral session, Thursday, January 08
International Ballroom East,
The detection of a radio afterglow from the gamma-ray burst of May 8, 1997 made it possible to constrain the size and the dynamics of the relativistically expanding fireball for the first time. I will review this work while adding in data from an on-going monitoring effort designed to explore the late-time evolution of GRB 970508. In addition, I will present observations from any recent gamma-ray bursts detected as part of our optical/radio GRB program.
