{
  "bibcode": "2002GCN..1521....1U",
  "body": "M. Uemura, R. Ishioka, T. Kato (Kyoto U) and H. Yamaoka (Kyushu U) report\non behalf of VSNET-grb collaboration:\n\n  \"We have performed a full analysis of the unfiltered images of GRB\n020812 field taken at Kyoto University.  A 30-cm telescope observed\nthe central part of the on-board HETE WXM error box, and a 25-cm\ntelescope observed three fields of view, each of which covered a part\nof HETE WXM error box (GCN 1468)\n(http://www.rc.kyushu-u.ac.jp/~yamaoka/GRB020812/FOVkyoto.gif). \nThe limiting magnitudes are measured by compareing with USNO-A2.0 red\nmagnitudes.  \n\nFOV\t  25-cm 1\t 25-cm 2\t 25-cm 3 \t30-cm \nepoch\t 11:36-13:25\t13:27-13:57\t13:57-15:32\t11:40-13:26 Aug. 12 UT+\nexp.\t 85\t\t25.5\t\t80\t\t83.5\tminutes\nlim.mag  18.7\t\t18.6\t\t18.8\t\t19.1\tin R\n\n  By comparison with DSS 2 red image and Ouda images (GCN 1515),\nno new source brighter than the limits nor notable variable is\ndetected.\"\n\nThis message may be cited.",
  "circularId": 1521,
  "createdOn": 1030099162000,
  "email": "tkato@kusastro.kyoto-u.ac.jp",
  "subject": "GRB 020812: optical observation at Kyoto University",
  "submitter": "Taichi Kato at Kyoto U  <tkato@kusastro.kyoto-u.ac.jp>",
  "eventId": "GRB 020812"
}