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The Radio Afterglow and the Host Galaxy of the X-Ray Rich GRB 981226
D. A. Frail, S. R. Kulkarni, J. S. Bloom +9
We report the discovery of a radio transient VLA 232937.2-235553, coincident with the proposed X-ray afterglow for the gamma-ray burst GRB 981226. This GRB has the highest ratio of…
Optical and Radio Observations of the Afterglow from GRB990510: Evidence for a Jet
F. A. Harrison, J. S. Bloom, D. A. Frail +16
We present multi-color optical and two-frequency radio observations of the bright SAX event, GRB 990510. The well-sampled optical decay, together with the radio observations are in…
Discovery of a Radio Flare from GRB 990123
S. R. Kulkarni, D. A. Frail, R. Sari +7
We report the discovery of a radio counterpart to GRB 990123. In contrast to previous well-studied radio afterglows which rise to peak flux on a timescale of a week and then decay…
The afterglow, the redshift, and the extreme energetics of the gamma-ray burst 990123
S. R. Kulkarni, S. G. Djorgovski, S. C. Odewahn +26
Afterglow, or long-lived emission, has now been detected from about a dozen well-positioned gamma-ray bursts. Distance determinations made by measuring optical emission lines from…