{
  "bibcode": "1998GCN...102....1C",
  "body": "Alberto J. Castro-Tirado (Laboratorio de Astrofisica Espacial y Fisica\n                          Fundamental, LAEFF-INTA, Madrid)\nJavier Gorosabel (LAEFF-INTA)\nJochen Greiner (Astrophysikalisches Institut, Potsdam)\nDimitra Rigopoulou (Max Planck Institut fur Extraterrestrische Physik, Garching)\nDave Clements (IAS, Univ. Paris XI)\nMarco Barden (MPE Garching)\nGeorg Lamer (University of Southampton)\nand E. Costa and F. Frontera (on behalf of the BeppoSAX team)\n \nReport:\n \nWe have obtained K'-band images of a 10' x 10' region centred at the\nBSAX/WFC error box for GRB 980613, with the 3.5-m telescope (+ OMEGA) at the\nGerman-Spanish Calar Alto Observatory, on June 13.87-13.92 . R-band\nand I-band images were also obtained at the 1.23-m telescope on June \n13.88-14.00. No variable object, by more than 0.5 mag, is seen when \ncomparing the co-added R-band image with the POSS chart, down to R = 20.5.\n \n We notice however, the presence of a point-like object on several IR images, \nwith K' = 17.5 +/- 0.5 (very preliminary). The object is not seen on the\nR-band image (limiting magnitude R = 22), implying R-K' > 4. Its  position \nis AR(2000) = 10 18 23.15, Dec(2000) = +71 32 18.5 (+/- 1\"). Further IR\nand radio observations are encouraged in order to discern whether this is \nthe true IR counterpart to GRB 980613, resembling that of GRB 980329.",
  "circularId": 102,
  "createdOn": 897825389000,
  "email": "ajct@laeff.esa.es",
  "subject": "GRB 980613 optical/IR obs.",
  "submitter": "Alberto Castro-Tirado at LAEFF-INTA  <ajct@laeff.esa.es>",
  "eventId": "GRB 980613"
}