{
  "bibcode": "2013GCN.14533....1D",
  "body": "A. de Ugarte Postigo (IAA-CSIC, DARK/NBI), J. Gorosabel (UPV/EHU, IAA-CSIC), \nN. Tanvir (U. Leicester), J. P. U. Fynbo (DARK/NBI), A. Cabrera-Lavers (IAC-ULL), \nand C.C. Thoene (IAA-CSIC) report:\n\nWe observed the afterglow of GRB 130502A (Troja et al. GCN 14527) \nwith the 10.4m GTC telescope starting at 21:01 UT (3.18 hrs after the burst). \nThe observation had a total exposure time of 340 s in z-band. The object \nreported by Malesani et al. GCN 14531 is detected with an AB magnitude of \n22.6+/-0.15 as compared to stars in the SDSS DR9 catalogue.",
  "circularId": 14533,
  "createdOn": 1367533396000,
  "email": "deugarte@iaa.es",
  "subject": "GRB 130502A: z-band observations from GTC",
  "submitter": "Antonio de Ugarte Postigo at IAA-CSIC  <deugarte@iaa.es>",
  "eventId": "GRB 130502A"
}