{
  "bibcode": "2005GCN..4299....1Y",
  "body": "K.Yamaoka, S.Sugita (Aoyama Gakuin U.), M.Ohno, \nT.Takahashi, Y.Fukazawa (Hiroshima U.), \nY.Terada (RIKEN), K.Abe, Y.Endo, S. Hong, K.Onda, \nM.Tashiro (Saitama U.), K.Nakazawa, G.Sato, \nT.Takahashi (ISAS/JAXA), R.Miyawaki, \nM.Kokubun, K.Makishima (Univ. of Tokyo) and the HXD-II team:\n\nThe bright burst, GRB 051111(Krimm et al., GCN4260), triggered \nthe Suzaku Wideband All-sky Monitor (WAM) which covers \nan energy band of 50 keV - 5 MeV at 05:59:39 (UT). \nThe observed prompt emission exhibits a FRED-like lightcurve\nwith a duration (T90) of 31 seconds. \nThe fluence in 100 - 700 keV was (8.4 +/- 0.8)X10^-6 erg/cm2. \nThe 1-s peak flux was 1.0 +/- 0.1 photons/cm2/s \nin the same energy range.\n\nPreliminary result shows that the time-averaged spectrum \nis well fitted by a single power law with a photon index \nof 1.5 +/- 0.3.\n\nAll the quoted errors are at statistical 90% confidence level.\nThe WAM onboard calibration is still under way,  and \nsystematic errors, such as the flux calibration uncertainties of\nabout 20%, are not included in the errors.\n\nThe WAM light curve of this event is available at \nhttp://www.astro.isas.ac.jp/suzaku/research/HXD-WAM/WAM-GRB/grb/grb_table.html\n\nFurther detailed analyses are in progress.",
  "circularId": 4299,
  "createdOn": 1132676342000,
  "email": "yamaoka@phys.aoyama.ac.jp",
  "subject": "GRB051111: Suzaku WAM observation of the prompt emission",
  "submitter": "Kazutaka Yamaoka at Aoyama Gakuin U  <yamaoka@phys.aoyama.ac.jp>",
  "eventId": "GRB 051111"
}