{
  "bibcode": "2013GCN.14647....1Q",
  "body": "U.Quadri, L.Strabla, R.Girelli and A.Quadri report:\n\nWe imaged the field of GRB 130513A (INTEGRAL trigger 6842; Mereghetti et\nal., GCN 14630)  with the robotic telescope of (IAU station 565) \nBassano Bresciano Observatory, Italy.\n\nThe observations started (after the dusk) 12h 19m after the \nGRB trigger, with our Schmidt telescope D=400 mm F/D=3 \n\nWeather conditions were very good.\n\nWe co-added 2 series of 10 unfiltered CCD exposures of 120s each.\n\nWe did not found any optical counterpart in the \nSwift-XRT error circle (Evans & Marshall, GCN\nCircular 14635) at our following limiting magnitude:\n.\n\nStart      End       Mlim\nT0+        T0+\n12.3h      13.0h     19.0\n\n\nMagnitudes were estimated with the USNO-B1 cat. \nand are not corrected for galactic dust extinction.\n\nThe message may be cited.",
  "circularId": 14647,
  "createdOn": 1368568171000,
  "email": "oabb@ulisse.bs.it",
  "subject": "GRB 130513A: Bassano Bresciano optical upper limit",
  "submitter": "Ulisse Quadri at Bassano Bresciano Obs  <oabb@ulisse.bs.it>",
  "eventId": "GRB 130513A"
}