{
  "bibcode": "2013GCN.14162....1K",
  "body": "Klotz A. (IRAP-CNRS-OMP), Gendre B. (IRAP-CNRS-OMP),\nBoer M., Siellez K., Dereli H., Bardho O. (UNS-CNRS-OCA),\nAtteia J.L. (IRAP-CNRS-OMP) report:\n\nWe imaged the field of GRB 130131B detected by SWIFT\n(trigger 547420) with the TAROT robotic telescope (D=25cm)\nlocated at the Calern observatory, France.\n\nThe observations started 1.2h after the GRB trigger\nbecause the GRB occured when the field of view was\nunder the local horizon. At the start of the observations,\nthe elevation of the field increased from 10 degrees\nabove horizon and gibbous moon was at 25 degrees away\nfrom the GRB position.\n\nWe co-added a series of exposures. No optical transcient\nwas detected at the XRT position (Siegel et al. GCNC 14159)\nwith a limiting magnitude of:\nt0+1.3h - 2.2h : R > 17.1\n\nMagnitudes were estimated with the nearby NOMAD1 stars\nand are not corrected for galactic dust extinction.",
  "circularId": 14162,
  "createdOn": 1359671963000,
  "email": "Alain.Klotz@free.fr",
  "subject": "GRB 130131B: TAROT Calern observatory optical observations",
  "submitter": "Alain Klotz at CESR-CNRS  <Alain.Klotz@free.fr>",
  "eventId": "GRB 130131B"
}