{
  "bibcode": "2005GCN..3741....1D",
  "body": "Damerdji, Y. (OHP), Klotz, A. (CESR-OMP),\nBoer M. (OHP), Atteia J.L. (LATT-OMP) report:\n\nWe imaged the field of GRB 050730\ndetected by SWIFT (Holland et al. GCNC 3704)\nwith the 0.8m (F/15) telescope\nlocated at the Observatoire de Haute Provence\nObservatory (OHP), France.\nCamera is an Andor 47-40 equiped by a R band filter.\nWe measured the magnitudes of the afterglow\ndescribed in Holland et al. (GCNC 3704):\n\nTmid (julian day) Exp (s)  R-Mag\n2453582.35721     300      17.14 � 0.10\n2453582.36875     300      17.43 � 0.09\n2453582.37226     300      17.38 � 0.09\n2453582.37577     300      17.31 � 0.06\n2453582.37928     300      17.39 � 0.09\n2453582.38279     300      17.37 � 0.11\n2453582.38630     300      17.45 � 0.13\n\nMagnituded were computed as differential with\nthe three nearby USNO-B1 stars:\n0862-0270612 R=14.96\n0862-0270590 R=15.22\n0861-0264205 R=15.35\n\nThese OHP data seems to show a flattening of the decay\n(or a rebrightening) starting after the second exposure.\n\nThis message can be cited.",
  "circularId": 3741,
  "createdOn": 1123058555000,
  "email": "atteia@ast.obs-mip.fr",
  "subject": "GRB 050730: OHP optical observations",
  "submitter": "Jean-Luc Atteia at Lab d Astrophys.,OMP,Toulouse  <atteia@ast.obs-mip.fr>",
  "eventId": "GRB 050730"
}