{
  "bibcode": "2013GCN.15522....1S",
  "body": "A. Sota, J. Gorosabel and A. J. Castro-Tirado (IAA-CSIC Granada) on behalf\nof a larger collaboration, report:\n\n\"Following the detection of GRB 131127A by Swift (Markwardt et al. GCNC\n15516), we have conducted I-band observations with the 1.5m OSN telescope at\nObservatorio de Sierra Nevada (Granada, Spain), starting on 27 Nov 18:26\nUT,(i.e. 8.2-hr post burst). A stack of 17 x 300s images shows nothing at\nthe enhanced Swift/XRT position (Evans et al. GCNC 15520) down to I = 21\".",
  "circularId": 15522,
  "createdOn": 1385591090000,
  "email": "ajct@iaa.es",
  "subject": "GRB 131127A. 1.5m OSN optical limit",
  "submitter": "Alberto Castro-Tirado at Inst.de Astro. de Andalucia  <ajct@iaa.es>",
  "eventId": "GRB 131127A"
}