GRB 020409: no evidence for an optical afterglow. Holland, S. T. ; Garnavich, P. M. ; Munoz, J. A. ; Stanek, K. Z. ; Augustesen, K. ; Jensen, B. L. ; Hjorth, J. ; Gorosabel, J. ; Giavalisco, M. Abstract Publication: GRB Coordinates Network Pub Date: 2002 Bibcode: 2002GCN..1365....1H