{
  "bibcode": "2012GCN.12910....1K",
  "body": "Klotz A. (IRAP-CNRS-OMP), Gendre B. (ASDC/INAF-OAR),\nBoer M. (UNS-CNRS-OCA), Atteia J.L. (IRAP-CNRS-OMP) report:\n\nWe imaged the field of GRB 120202A detected by INTEGRAL\n(trigger 6461) with the TAROT robotic telescope (D=25cm)\nlocated at the Calern observatory, France.\n\nThe observations started 20s after the GRB trigger\n(14s after the notice). The burst was still active.\nThe elevation of the field increased from 9 degrees\nabove horizon and weather conditions were good.\n\nThe first image is trailed with a duration of 60.0s\n(see the description in Klotz et al., 2006, A&A 451, L39).\nWe do not detect any OT with a limiting magnitude of:\nt0+20s to t0+80s : R > 15.2\n\nThe second image is 30.0s exposure in tracking mode:\nt0+96s to t0+126s : R > 15.9\n\nWe co-added a series of exposures:\nt0+96s to t0+287s : R > 17.2\n\nMagnitudes were estimated with the nearby USNO-B1 stars\nand are not corrected for galactic dust extinction.\n\nN.B. Galactic coordinates are lon=11.1564 lat=+79.4238\nand the galactic extinction in R band is 0.05 magnitudes\nestimated from D. Schlegel et al. 1998ApJ...500..525S.\n\nThis message may be cited.",
  "circularId": 12910,
  "createdOn": 1328227989000,
  "email": "Alain.Klotz@free.fr",
  "subject": "GRB 120202A: TAROT Calern observatory optical observations",
  "submitter": "Alain Klotz at CESR-CNRS  <Alain.Klotz@free.fr>",
  "eventId": "GRB 120202A"
}