{
  "createdOn": 1701825704133,
  "subject": "GRB 231205A: DDOTI Upper Limits on the Afterglow",
  "submitter": "Kin O. C. L. Mendoza at Instituto de Astronoma, UNAM <koclopez@astro.unam.mx>",
  "submittedHow": "email-legacy",
  "bibcode": "2023GCN.35277....1L",
  "body": "Océlotl Lopez (UNAM), Alan M. Watson (UNAM), Rosa L. Becerra (UNAM),\nMargarita Pereyra (UNAM), Nat Butler (ASU), Simone Dichiara (Penn state\nuniversity), Diego Gonzalez (UNAM), William H. Lee (UNAM), Alexander\nKutyrev (GSFC/UMD), Srihari Ravi (ASU) and Eleonora Troja (Tor Vergara\nRoma) report:\n\n\n\nWe observed the field of the Fermi GBM GRB 231205A (Fermi GBM Team, GCN\nCirc. 35263) with the DDOTI wide-field imager at the Observatorio\nAstronómico Nacional on Sierra San Pedro Mártir (\nhttp://ddoti.astroscu.unam.mx) from 2023-12-05 12:55:13 to 13:10:57 UTC\n(10.50 to 11.75 hours after the trigger).\n\n\nWe observed a region of 7 degrees in RA by 7 degrees in declination\ncentered on the Fermi GBM Final Position of RA = 206.1 and Dec = 22.8\n(J2000 degrees). This region contains 1 instrumental field or about 49\nsquare degrees. We obtained 13.6 minutes of exposure per instrumental field\nin the w filter. We obtained AB photometry by calibration against the APASS\ncatalog.\n\n\nWe detect no likely candidates for the afterglow to our 10-sigma upper\nlimits of w = 18.89-19.41 (inter-quartile).\n\n\nWe thank the staff of the Observatorio Astronómico Nacional on San Pedro\nMártir.\n",
  "circularId": 35277,
  "eventId": "GRB 231205A"
}