{
  "bibcode": "2006GCN..5851....1H",
  "body": "J. P. Halpern & E. Armstrong (Columbia U.) report on behalf of\nthe MDM Observatory GRB follow-up team:\n\n\"Continuing observations of GRB 061121 for a third night\non the MDM 2.4m telescope yield the following results,\nusing the same calibration as in GCN 5847:\n\n ---------------------------------------------------------\n  Date(UT)  Mid-time(UT)  t-t0(hr)  Exp(s)   R(mag)  +/-\n ---------------------------------------------------------\n  Nov. 24      11:43       68.34     900     22.32   0.04\n  Nov. 24      12:04       68.69    1200     22.33   0.03\n  Nov. 24      12:35       69.21    1500     22.41   0.03\n  Nov. 24      12:55       69.54     600     22.36   0.08\n ---------------------------------------------------------\n\nThis indicates a slight flattening or deviation from the\npreviously fitted power-law decay.\n\nImages and light curve are posted at\n\nhttp://www.astro.columbia.edu/~jules/grb/061121/\n\nThis message may be cited.\"",
  "circularId": 5851,
  "createdOn": 1164399482000,
  "email": "jules@astro.columbia.edu",
  "subject": "GRB 061121: MDM Continuing Optical Decay",
  "submitter": "Jules Halpern at Columbia U.  <jules@astro.columbia.edu>",
  "eventId": "GRB 061121"
}