{
  "bibcode": "2009GCN.10035....1L",
  "body": "A. LaCluyze, D. Reichart, K. Ivarsen, J. Haislip, R. Egger, A. Foster, J. \nMoore, A. Oza, M. Schubel, J. Styblova, A. Trotter, J. A. Crain, and M. \nNysewander report:\n\nSkynet observed ~90% of the INTEGRAL/IBAS localization of GRB 091015 \n(Ferrigno et al., GCN 10025; Gotz, GCN 10026) with one of the 16\" PROMPT \ntelescopes at CTIO beginning 25.3 hours after the the trigger in z.\n\nWe do not detect any uncatalogued sources.  Stacking only images that \nincrease the limiting magnitude yields:\n\nmean                                                  1-sig.  1-sig.\ntime                             3-sig.               sys.    stat.\nsince                            lim.    cal.         cal.    cal.\ntrig.  tel.      exp.      fil.  mag.    stars*       unc.    unc.\n(h)              (# x s)                              (mag)   (mag)\n\n27.1   PROMPT-5  144 x 80  z*    21.2    319 USNO B1  0.313   0.000\n\n* Calibrated to I",
  "circularId": 10035,
  "createdOn": 1255900857000,
  "email": "lacluyze@physics.unc.edu",
  "subject": "GRB 091015: Skynet/PROMPT Observations",
  "submitter": "Aaron LaCluyze at U.North Carolina  <lacluyze@physics.unc.edu>",
  "eventId": "GRB 091015"
}