TITLE: GCN GRB OBSERVATION REPORT NUMBER: 4631 SUBJECT: GRB 060202 : Lulin R and I band limit DATE: 06/02/02 14:04:55 GMT FROM: Kuiyun Huang at IANCU M. Yang, K.Y. Huang, W.H. Ip (NCU), Y. Urata(RIKEN), Y. Qiu (BAO), Y.Q. Lou (THCA) on behalf of EAFON report: "A set of R and I band imaging observation using LOT (One-meter telescope at Lulin Observatory, Taiwan) started at 10.9 UT. No variable source was detected in the XRT error region (Fox et al. GCN 4629) at our co-add R and I band images. The limiting magnitude of I and R band were calibrated against USNO-B1.0 catalog. Mid-UT(hrs) Exp-time Filter limiting mag. (3-sigma) ---------------------------------------------------------- 2.35 3x300s R ~21.2 2.72 3x300s I ~19.5 This message may be cited."