{
  "bibcode": "2006GCN..5845....1T",
  "body": "K. Torii (Osaka U.) reports on behalf of the ART collaboration:\n\n The error region of the bright GRB 061121 (Page et al. GCN\n5823) was observed with the 14 inch ART-3a in Toyonaka. The\nimaging started at about 5 minutes after the trigger while\nthe useful frames were obtained after 17:15 UT (t=113\nminutes) when the object rose to 20 degrees above the horizon.\n\n The optical afterglow (GCN 5823) is detected at 3.2 sigma\nin a stacked frame. Comparison with the USNO-B1.0 I2 mag\ngave the following measurement.\n\n-----------------------------------------\nStartUT         Filter  Mag     Exposure\n=========================================\n17:15:24        Ic      18.1    60s x 100\n=========================================",
  "circularId": 5845,
  "createdOn": 1164259347000,
  "email": "torii@ess.sci.osaka-u.ac.jp",
  "subject": "GRB 061121: ART detection in Ic",
  "submitter": "Ken ichi Torii at Osaka U  <torii@ess.sci.osaka-u.ac.jp>",
  "eventId": "GRB 061121"
}