{
  "bibcode": "2011GCN.12481....1L",
  "body": "A.J. Levan (U. Warwick), D. Fox (PSU), N.R. Tanvir (U. Leicester)\nreport for a larger collaboration:\n\n\"We observed the localization of GRB 111022B (Holland et al. GCN\n12472) with the Gemini-North telescope, equipped with NIRI.\nObservations were obtained in poor conditions (2.5\" seeing) and\nbegan 17 hours after the burst in the YJHK filters.\n\nWe find a single source within the refined XRT error circle (Beardmore\net al. GCN 12478). The source is well detected in both H and K,\nwith K~19.0 +/- 0.2, but only very weakly in J. Given the earlier\nnon-detections in the optical (Vreeswijk et al. GCN 12479) the\ninferred optical-IR colour is red (R-K > 4.2), coupled with the\nlack of apparent excess N_H this could be indicative of a high\nredshift burst.\n\nAnalysis is ongoing, and further observations are planned.\"",
  "circularId": 12481,
  "createdOn": 1319375970000,
  "email": "A.J.Levan@warwick.ac.uk",
  "subject": "GRB 111022B: Gemini infrared observations",
  "submitter": "Andrew Levan at U.of Leicester  <A.J.Levan@warwick.ac.uk>",
  "eventId": "GRB 111022B"
}