{
  "bibcode": "2013GCN.15411....1T",
  "body": "V. Terron (IAA/CSIC), M. Fernandez (IAA/CSIC), J. Gorosabel (IAA/CSIC-UPV/EHU), report on behalf of a larger collaboration:\n\nWe imaged the GRB131030A (GCNC 15402) optical afterglow (GCNC 15403, 15405, 14506, 15410) with the 1.23m CAHA telescope. Two BVRI-band series were taken starting 2.01 hr post burst. The optical afterglow is well detected in the four bands at a level of R~18.0 (Vega), calibrated against the USNO B1.0 catalog.",
  "circularId": 15411,
  "createdOn": 1383185668000,
  "email": "jgu@iaa.es",
  "subject": "GRB 131030A: 1.23m CAHA BVRI-band observations",
  "submitter": "Javier Gorosabel at IAA-CSIC  <jgu@iaa.es>",
  "eventId": "GRB 131030A"
}