{
  "bibcode": "2017GCN.21008....1K",
  "body": "Klotz A., Turpin D., Atteia J.L. (CNRS-OMP-IRAP),\nBoer, M., Laugier, R. (CNRS-ARTEMIS),\nGendre B. (UVI - Etelman Obs.)\nPeyrot A., Teng J.P. (Les Makes Observatory, France),\nThierry P. (Auragne Observatory, France),\nKlotz A.N.O. (Guitalens Observatory, France)\nreport:\n\nWe imaged the field of GRB 170409A detected by Fermi LAT and GBM\n(trigger 513398525/170409112) with the TAROT robotic telescope (D=18cm)\nlocated at the Reunion observatory, France.\n\nThe GRB is located at 34 degrees from the sun and is\nobservable only in the dawn light in the morning.\n\nThe observations started 0.95 day after the GRB trigger.\nWe stacked 13 images of 120s and examined a field of view of 0.2\ndegree (radius) around the position provided by\nLongo et al. (GCNC 21004). We do not see any new source\nat the limiting magnitude of:\n\nt0+0.95d to t0+0.96h : Rlim=17.0 +/- 0.2\n\nMagnitudes were estimated with the nearby NOMAD1 stars\nand are not corrected for galactic dust extinction.",
  "circularId": 21008,
  "createdOn": 1491842305000,
  "email": "Alain.Klotz@free.fr",
  "subject": "GRB 170409A: TAROT Reunion observatory optical observations",
  "submitter": "Alain Klotz at IRAP-CNRS-OMP  <Alain.Klotz@free.fr>",
  "eventId": "GRB 170409A"
}