{
  "bibcode": "2017GCN.22182....1B",
  "body": "Nat Butler (ASU), Alan M. Watson (UNAM), Alexander Kutyrev (GSFC), William\nH. Lee (UNAM), Michael G. Richer (UNAM), Ori Fox (STScI), J. Xavier\nProchaska (UCSC), Josh Bloom (UCB), Antonino Cucchiara (UVI), Eleonora\nTroja (GSFC), Owen Littlejohns (ASU), Enrico Ramirez-Ruiz (UCSC), Jes��s\nGonz��lez (UNAM), Carlos Rom��n-Z����iga (UNAM), Harvey Moseley (GSFC), John\nCapone (UMD), V. Zach Golkhou (U. Wash.), and Vicki Toy (UMD) report:\n\nWe observed the field of GRB 171205A (D'Elia, et al., GCN 22177) with the\nReionization and Transients Infrared Camera (RATIR; www.ratir.org) on the\n1.5m Harold Johnson Telescope at the Observatorio Astron��mico Nacional on\nSierra San Pedro M��rtir from 2017/12 5.40 to 2017/12 5.53 UTC (2.15 to 5.36\nhours after the BAT trigger), obtaining a total of 1.44 hours exposure in\nthe r and i bands and 0.71 hours exposure in the Z and Y bands.\n\nIn comparison with the USNO-B1 and 2MASS catalogs, we detect and obtain the\nfollowing photometry for the source reported by Izzo et al. (GCN 22180):\n\n r = 18.30 +/- 0.05\n i = 18.13 +/- 0.02\n Z = 18.35 +/- 0.05\n Y = 18.13 +/- 0.05\n\nThese magnitudes are in the AB system and are not corrected for Galactic\nextinction in the direction of the GRB.\n\nWe thank the staff of the Observatorio Astron��mico Nacional in San Pedro\nM��rtir.",
  "circularId": 22182,
  "createdOn": 1512486617000,
  "email": "natbutler@asu.edu",
  "subject": "GRB 171205A: RATIR Optical and NIR Observations",
  "submitter": "Nat Butler at Az State U  <natbutler@asu.edu>",
  "eventId": "GRB 171205A"
}