2 papers
astro-ph2001
Optical and Radio observations of the bright GRB010222 afterglow: evidence for rapid synchrotron cooling?
R. Sagar, C. S. Stalin, D. Bhattacharya +8
We report photometric observations of the optical afterglow of GRB010222 in V,R and I passbands carried out at UPSO, Naini Tal between 22-27 Feb 2001. We determine CCD Johnson BV a…
astro-ph1999
Spectral Energy Distributions and Light Curves of GRB 990123 and its Afterglow
T. J. Galama, M. S. Briggs, R. A. M. J. Wijers +38
Gamma-ray bursts (GRBs) are thought to result from the interaction of an extremely relativistic outflow interacting with a small amount of material surrounding the site of the expl…