{
  "bibcode": "2003GCN..1998....1W",
  "body": "GRB030329: Upper limits from recent and historical observations.\n\nW. M. Wood-Vasey, P. Nugent, and B. C. Lee, Lawrence Berkeley National\nLaboratory, using images obtained by R. Bambery, S. Pravdo, M. Hicks,\nand K. Lawrence (Near-Earth Asteroid Tracking project, Jet Propulsion\nLaboratory), report recent and historical upper limits for the optical\ntransient for GRB 20030329 (GCN #1985, 1986, 1987) using the position\nof Uemura et. al (GCN #1949) from images taken with the Palomar Oschin\n1.2-m and Haleakala MSSS 1.2-m telescopes during the previous two\nyears:\n \n                           Limiting Unfiltered Mag                  \nUT Date                          ( @ S/N = 3)          Telescope\n--------------------------------------------------------------------\n2001 Mar 13.60, 13.61              [ 17.58            Haleakala\n2002 Jan  8.46,  8.47,  8.49       [ 20.31            Haleakala\n2002 Jan 14.44, 14.45, 14.46       [ 20.26            Haleakala\n2002 Jan 21.46, 21.47, 21.48       [ 21.66              Palomar\n2002 Feb  3.54,  3.55,  3.57       [ 20.86              Palomar\n2002 Feb 13.56, 13.57              [ 18.96              Palomar\n2002 Apr  1.27,  1.29,  1.31       [ 21.57              Palomar\n2003 Jan 18.50, 18.52, 18.54       [ 20.84              Palomar\n2003 Feb 23.50, 23.51, 23.52       [ 20.54            Haleakala\n2003 Mar  1.51,  1.52,  1.53       [ 19.89            Haleakala\n2003 Mar 23.13, 23.15, 23.17       [ 21.61              Palomar\n\nMagnitudes are calibration against 300 USNO-A V1.0 R-band stars in\nthe 0.25 sq. degree field of the images.\n\nA co-addition of these images shows nothing at this location to a\ncombined limiting magnitude of 22.28 (S/N = 3).\n\nThe co-addition is available at:\n\nhttp://supernova.lbl.gov/~wwoodvas/GRB/#GRB20030329\n\nThis message may be cited.",
  "circularId": 1998,
  "createdOn": 1048969702000,
  "email": "wmwood-vasey@lbl.gov",
  "subject": "GRB030329: Upper limits from recent and historical observations.",
  "submitter": "Michael Wood-Vasey at UC Berkeley/LBNL/SNfactory  <wmwood-vasey@lbl.gov>",
  "eventId": "GRB 030329"
}