{
  "bibcode": "2007GCN..6146....1M",
  "body": "N. Mirabal, K. Stanonik, N. Zimmerman, S. Alayyoubi, & J. P. Halpern\n(Columbia U.) report on behalf of the MDM Observatory GRB follow-up\nteam:\n\n\"We observed the field of GRB 070224 (Racusin et al., GCNs 6137, 6143)\nin I-band with the MDM 1.3m telescope. The object reported by\nThoene et al. (GCN 6142) is present in our images, with\na preliminary magnitude I~22.1 +/- 0.2 on Feb. 25.287.\"",
  "circularId": 6146,
  "createdOn": 1172390628000,
  "email": "mirabal@astro.columbia.edu",
  "subject": "GRB 070224: MDM Observations",
  "submitter": "Nestor Mirabal at Columbia U  <mirabal@astro.columbia.edu>",
  "eventId": "GRB 070224"
}