{
  "bibcode": "2017GCN.21023....1K",
  "body": "A. Klotz, D. Turpin (IRAP-CNRS-OMP), D. Macpherson (UWA/ICRAR), D. \nCoward (UWA),\nM. Boer, (UNS-CNRS-OCA), Gendre B. (UVI - Etelman Obs.),\nA. Williams (PO-UWA), R. Martin (PO-UWA)\nreport:\n\nWe imaged the field of GRB 170419A detected by SWIFT\n(trigger 748898) with the Zadko robotic telescope (D=100cm)\nlocated at the observatory - Gingin, Australia.\n\nThe observations started 22.3h after the GRB trigger.\nThe elevation of the field decreased from\n49 degrees above horizon and weather conditions\nwere good.\n\nWe co-added a series of exposures but we did not find any\noptical transcient in the XRT error box provided by Goad et al.\n(GCNC 21015):\n\nt0+22.3h to t0+22.9h : Rlim = 21.0\n\nMagnitudes were estimated with the nearby NOMAD1 stars\nand are not corrected for galactic dust extinction.",
  "circularId": 21023,
  "createdOn": 1492696815000,
  "email": "Alain.Klotz@free.fr",
  "subject": "GRB 170419A: Zadko observatory - Gingin optical observations",
  "submitter": "Alain Klotz at IRAP-CNRS-OMP  <Alain.Klotz@free.fr>",
  "eventId": "GRB 170419A"
}