{
  "bibcode": "2013GCN.14769....1S",
  "body": "T.D. Staley, G.E. Anderson, R.P. Fender (U. of Southampton),\nA. Rowlinson, A.J. van der Horst (U. of Amsterdam), D.J. Titterington,\nC. Rumsey (MRAO) report on behalf of the 4 Pi Sky / AMI team:\n\nWe have observed the position of the GRB 130603B afterglow at multiple\nepochs with the AMI Large Array at 15 GHz. Our initial observation was\nfor one hour starting at 15:53:42 UT on June 3rd, just under 5 minutes\nafter the GRB trigger time (GCN 14735). We also made longer observations,\nat 3.12 and 22.8 hours post-burst. We do not detect the afterglow\nin our preliminary reductions.\n\nPreliminary analysis gives 3-sigma upper limits as follows:\n\nStart (Hrs post burst) | Duration (hrs) |   3-sigma upper limit\n---------------------------------------------------------------------\n      0.08                       |            1          |      0.6 mJy\n      3.12                       |            3          |      0.21 mJy\n    22.8                         |            3          |      0.3 mJy\n\nFurther observations are scheduled.\n\nThese observations were initially triggered via the system described in\nStaley et. al (2013, MNRAS, 428, 3114).",
  "circularId": 14769,
  "createdOn": 1370432287000,
  "email": "Tim.Staley@soton.ac.uk",
  "subject": "GRB 130603B: AMI-LA 15GHz observations",
  "submitter": "Tim Staley at U of Southampton  <Tim.Staley@soton.ac.uk>",
  "eventId": "GRB 130603B"
}