{
  "bibcode": "2009GCN.10001....1H",
  "body": "J. Haislip, D. Reichart, M. Maturi, K. Ivarsen, A. LaCluyze, A. Foster, J. \nMoore, A. Oza, M. Schubel, J. Styblova, A. Trotter, J. A. Crain, and M. \nNysewander report:\n\nSkynet observed the Swift/BAT localization of short-duration GRB 090621 \n(Curran et al., GCN 9545) with the 16\" telescope at the Dolomiti \nAstronomical Observatory in Italy beginning 26.2 minutes after the trigger \nin Red, which we have calibrated to R.\n\nWe do not detect the afterglow (Curran et al., GCN 9545).  Stacking only \nimages that increase 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(m)            (# x s)                               (mag)   (mag)\n\n35.3   DAO-16  4 x 160   R     19.9    1518 USNO B1  0.277   0.000\n                + 3 x 80",
  "circularId": 10001,
  "createdOn": 1255014691000,
  "email": "haislip@physics.unc.edu",
  "subject": "Short-Duration GRB 090621: Skynet/Dolomiti Observations",
  "submitter": "Josh Haislip at U.North Carolina  <haislip@physics.unc.edu>",
  "eventId": "GRB 090621"
}