{
  "bibcode": "2008GCN..7661....1K",
  "body": "I. Khamitov (TUG), I. Bikmaev, R. Gumerov,\nA. Nemtinov, N. Sakhibullin (KSU/AST),\nR. Burenin, M. Pavlinsky, R. Sunyaev (IKI),\nZ. Eker (TUG), U. Kiziloglu (METU), E. Gogus (Sabanci Uni.)\n\nreport:\n\nThe optical counterpart (GCN7646) of GRB 080430 (GCN 7647) was observed \nwith Russian-Turkish 1.5-m telescope (RTT150, Bakirlitepe, TUBITAK \nNational Observatory, Turkey), starting at May 01, 21:58 UT, i.e.\n~26.08 hours after the burst, using Andor CCD.\n\nA series of frames 3*300s in R and 3*600s in B bands were made.\nThe afterglow is clearly detected  in all images. Using USNO-B1 star\n(416-022819, RA=11:01:16.86, DEC=+51:40:38.5, B2MAG=17.79, R2MAG=16.61)\nwe estimated the following magnitudes for the OT  on combined images:\n\nt-t0 (h)\tband\tmag \terr\n26.25\t\tR\t21.3\t0.1\n27.98\t\tB\t22.3\t0.1\n\n\n-- \nThis message has been scanned for viruses and\ndangerous content by MailScanner, and is\nbelieved to be clean.",
  "circularId": 7661,
  "createdOn": 1209687498000,
  "email": "irekk@tug.tug.tubitak.gov.tr",
  "subject": "GRB080430: RTT150 Optical Observations",
  "submitter": "Irek Khamitov at TUG  <irekk@tug.tug.tubitak.gov.tr>",
  "eventId": "GRB 080430"
}