{
  "bibcode": "2019GCN.25085....1J",
  "body": "Martin Jelinek, Jan Strobl (ASU CAS Ondrejov, CZ),\nMartin Masek, Petr Janecek, Sergey Karpov, Jakub Jurysek,\nJan Ebr, Ronan Cunniffe, Petr Travnicek and Michael Prouza\n(Institute of Physics, Prague, CZ)\n\nreport:\n\nThe 30cm robotic telescope FRAM-Auger in Malargue\n(Argentina) reacted robotically to the Swift/BAT alert\nof GRB190718A (D'Elia et al., GCNC 25082), starting\nwith a series of 20s unfiltered images at 04:45:11 UT,\ni.e. 236s post trigger.\n\nWe do not detect any new source at or around the\nreported X-ray errorbox reported by Evans et al. (GCN\n25084) at single frames or a combined 20 x 20s image\ntaken between 236s and 1123s after the initial trigger.\nThe combined exposure  has a limiting magnitude r'(AB)\n= 18.0, as calibrated against the APASS Catalogue.",
  "circularId": 25085,
  "createdOn": 1563454341000,
  "email": "martin.jelinek@asu.cas.cz",
  "subject": "GRB 190718A: FRAM-Auger optical limit",
  "submitter": "Martin Jelinek at Astro.Inst-AVCR,Ondrejov  <martin.jelinek@asu.cas.cz>",
  "eventId": "GRB 190718A"
}