{
  "bibcode": "2016GCN.20065....1D",
  "body": "M. De Pasquale (MSSL-UCL) and J. Cannizzo (NASA/UMBC) report on\nbehalf of the Swift/UVOT team:\n\nThe Swift/UVOT report started to observe the field of the putative X-ray\nafterglow of GRB 161015A, the Fermi/LAT burst (Ohno et al. GCN\nCirc. 20054, D'Avanzo et al. GCN Circ. 20057), 38 ks after the\nLAT trigger.\n\nNo optical counterpart to this source is found. The 3 sigma upper limit\nis given in the table below.\n\n  T_start (s)  T_end (s)  Exposure Time (s)  filter   3s UL\n\n   37991        45608         1210             u      >20.35\n\nThe magnitudes in the table are not corrected for the Galactic extinction\ndue to the reddening of E(B-V) = 0.04 in the direction of the burst\n(Schlegel et al. 1998).\n\n-- \n\nDr. Massimiliano De Pasquale\nResearch associate - Swift UVOT scientist\nMullard Space Science Laboratory, University College London",
  "circularId": 20065,
  "createdOn": 1476733699000,
  "email": "m.depasquale@ucl.ac.uk",
  "subject": "GRB 161015A: Swift/UVOT observations",
  "submitter": "Massimiliano de Pasquale at IASF-Palermo  <m.depasquale@ucl.ac.uk>",
  "eventId": "GRB 161015A"
}