Optical observations of the bright long duration peculiar GRB 021004 afterglow

S. B. Pandey, D. K. Sahu, L. Resmi +9

The CCD magnitudes in Johnson $B,V$ and Cousins $R$ and $I$ photometric passbands are determined for the bright long duration GRB 021004 afterglow from 2002 October 4 to 16 startin…