{
  "bibcode": "2001GCN..1099....1F",
  "body": "D. W. Fox, R. Burruss, E. Berger, J. S. Bloom, S. G. Djorgovski, and\nS. R. Kulkarni (Caltech), with M. Haynes (Cornell), report on behalf\nof the larger Caltech-NRAO-CARA GRB collaboration:\n\n\"R. Burrus obtained Sloan r' images of the joint HETE/IPN localization\nfor GRB010921 (HETE trigger #1761; GCNs #1096 and #1097) with the Hale\n200-inch telescope at Palomar Observatory beginning 22 hours after the\ntrigger (22 September 03:18 UT).  The instrument used was the Large\nFormat Camera (LFC) and the observations were 4 min in duration (3\npointings). Visual comparison with the Digital Palomar Observatory Sky\nSurvey F plate reveals no obvious new source to the depth of the DPOSS\nimage (R ~ 20.5 mag).\"\n\nThis message may be cited.",
  "circularId": 1099,
  "createdOn": 1001158233000,
  "email": "derekfox@astro.caltech.edu",
  "subject": "GRB010921 Optical Observations",
  "submitter": "Derek Fox at CIT  <derekfox@astro.caltech.edu>",
  "eventId": "GRB 010921"
}