{
  "bibcode": "2008GCN..8274....1N",
  "body": "T. Nagayama (Kyoto University) reports on behalf of the IRSF/SIRIUS  \nteam:\n\nWe have imaged the field of GRB 080916C (van der Horst, GCN 8245)\nbased on the localization by Fermi/LAT (Tajima et al, GCN 8246) in J, H,\nand Ks with the Simultaneous three-color InfraRed Imager for Unbiased\nSurvey (SIRIUS) on the Nagoya-SAAO 1.4m telescope (IRSF) starting at\n2:53 on September 17 UT for 50 min.\n\nThe optical afterglow candidate suggested by Clemens et al. (GCN 8257,\nGCN 8272) was detected marginally in H and Ks bands.\nThe preliminary magnitude was Ks= 18.6 +- 0.5.",
  "circularId": 8274,
  "createdOn": 1221835266000,
  "email": "nkawai@hp.phys.titech.ac.jp",
  "subject": "GRB 080916C: IRSF/SIRUS NIR Observation",
  "submitter": "Nobuyuki Kawai at Tokyo Tech  <nkawai@hp.phys.titech.ac.jp>",
  "eventId": "GRB 080916C"
}