{
  "bibcode": "2010GCN.11427....1Z",
  "body": "W. Zheng, S. B. Pandey and C. Akerlof (U Mich), report on behalf of\nthe ROTSE collaboration:\n\nROTSE-IIIc, located at the H.E.S.S. site at Mt. Gamsberg, Namibia,\nresponded to GRB 101123A (Fermi/GBM trigger 312245496 / 101123952: \nGuiriec, GCN 11423; localized by IPN: Hurley et al., GCN 11424)\n107s after the burst. Observation was performed in 2x2 tiling mode,\ncovered totally ~3.6x3.6 square degrees around the center of GBM\ntrigger. Observation lasted for ~1.3 hours with 20s exposure time\nfor each image.\n\nThe location of the two OT candidates reported by Gorbovskoy et al.\n(GCN 11426) were both covered by ROTSE images.\nFor candidate 1, the first ROTSE image was started at\n2010-11-23 22:54:50.91, 196s after the burst.\nFor candidate 2, the first ROTSE image was started at\n2010-11-23 22:53:51.31, 136s after the burst.\n\nWe do not detected any point source at either of the two candidate\nlocations in the single or the co-added images. The limiting\nmagnitude is ~16.0 mag for single image and ~16.7 mag for co-added\nimages.",
  "circularId": 11427,
  "createdOn": 1291074117000,
  "email": "zwk@bao.ac.cn",
  "eventId": "GRB 101123A",
  "subject": "GRB 101123A: ROTSE optical observations",
  "submitter": "W.K. Zheng at NAOC  <zwk@bao.ac.cn>"
}