{
  "bibcode": "2020GCN.27164....1J",
  "body": "Martin Jelinek, Jan Strobl (ASU CAS Ondrejov, CZ),\nMartin Masek, Petr Janecek, Sergey Karpov, Jakub\nJurysek, Jan Ebr, Ronan Cunniffe, Petr Travnicek and\nMichael Prouza (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 GRB200219A (Lien et al., GCNC 27125, D'Elia et al.,\nGCNC 27139, and Bissaldi et al., GCNC 27137), starting\nwith a series of 20s unfiltered images at 07:43:16 UT,\ni.e. 6.45 min post trigger.\n\nWe do not detect any new or strongly variable source at\nor around the reported gamma-ray errorbox at single\nframes or a combined 20 x 20s image taken between 6.45\nmin and 15.39 min after the initial trigger. The\ncombined exposure has a limiting magnitude r'(AB) =\n18.9, as calibrated against the APASS Catalogue.",
  "circularId": 27164,
  "createdOn": 1582303300000,
  "email": "martin.jelinek@asu.cas.cz",
  "subject": "GRB 200219A: FRAM-Auger optical limit",
  "submitter": "Martin Jelinek at Astro.Inst-AVCR,Ondrejov  <martin.jelinek@asu.cas.cz>",
  "eventId": "GRB 200219A"
}