{
  "bibcode": "2012GCN.14033....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 121202 detected by SWIFT\n(trigger 540255) with the TAROT robotic telescope (D=25cm)\nlocated at the Calern observatory, France.\n\nThe observations started 34.0s after the GRB trigger\n(15.8s after the notice). However, the elevation of the field\nincreased from 1 degrees above horizon so it was possible\nto detect stars on images only 275s after the trigger.\n\nThe first image does not show any optical counterpart:\nt0+275s to t0+305s : R > 14.9\n\nWe co-added series of exposures:\nt0+275s to t0+1419s : R > 16.2\nt0+1633s to t0+2578s : R > 16.9\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= 45.1864 lat=+32.8357\nand the galactic extinction in R band is about 0.1 magnitude\nestimated from D. Schlegel et al. 1998ApJ...500..525S.\n\nThis message may be cited.",
  "circularId": 14033,
  "createdOn": 1354424950000,
  "email": "Alain.Klotz@free.fr",
  "subject": "GRB 121202A: TAROT Calern observatory optical observations",
  "submitter": "Alain Klotz at CESR-CNRS  <Alain.Klotz@free.fr>",
  "eventId": "GRB 121202A"
}