{
  "bibcode": "2016GCN.19030....1K",
  "body": "Klotz A., Turpin D., Atteia J.L. (CNRS-OMP-IRAP),\nBoer, M., Laugier, R. (CNRS-ARTEMIS),\nGendre B. (UVI - Etelman Obs.) report:\n\nWe imaged the field of GRB 160220A detected by SWIFT\n(trigger 674670) with the TAROT robotic telescopes (D=25cm)\nlocated at the Calern observatory, France and\nat the European Southern Observatory, La Silla\nobservatory, Chile.\n\nThe observations started 1.64h after the GRB trigger\nat Calern and 4.00h after the GRB trigger at la Silla\n(the field was not visible at the date of the trigger).\nThe elevation of the field increased from\n20 degrees above horizon and weather conditions\nwere good.\n\nWe co-added a series of exposures. We do not detected the\nX-ray couterpart mentioned by Campana et al. (GCNC 19024):\n\nt1(h) t2(h)  Rmag_lim  Site\n1.64 3.30    17.5      TAROT Calern\n4.00 4.69    19.0      TAROT La Silla\n\nMagnitudes were estimated with the nearby USNO-B1 stars\nand are not corrected for galactic dust extinction.",
  "circularId": 19030,
  "createdOn": 1455975823000,
  "email": "Alain.Klotz@free.fr",
  "subject": "GRB 160220A: TAROT Calern and TAROT La Silla observatory optical observations",
  "submitter": "Alain Klotz at IRAP-CNRS-OMP  <Alain.Klotz@free.fr>",
  "eventId": "GRB 160220A"
}