{
  "bibcode": "2013GCN.14376....1T",
  "body": "K. Takaki, M. Ohno, T. Kawano, R. Nakamura, S. Furui, Y. Fukazawa\n(Hiroshima U.),\nM. Tashiro, Y. Terada, T. Yasuda, Y. Ishida, H. Ueno, S. Sugimoto(Saitama\nU.),\nK. Yamaoka (Nagoya U.), M. Yamauchi, M. Akiyama, N. Ohmori (Univ. of\nMiyazaki),\nS. Sugita (Ehime U.), Y. E. Nakagawa, M. Kokubun,\nT. Takahashi (ISAS/JAXA), W. Iwakiri(RIKEN), Y. Hanabata (ICRR), Y. Urata\n(NCU), K. Nakazawa, K. Makishima (Univ. of Tokyo) on behalf of the Suzaku\nWAM team, report:\n\nThe long GRB 130408A (Lien et al., GCN14361) triggered by the\nSuzaku Wide-band All-sky Monitor (WAM) which covers an energy range of\n50 keV - 5 MeV at 21:51:38 UT (=T0).\n\nThe observed light curve shows a single peak starting at T0-2s, ending\nat T0+5s with a duration (T90) of about 7 seconds.\nThe fluence in 100 - 1000 keV was 7.18(+0.06/-0.15) x 10^-6 erg/cm^2.\nThe 1-s peak flux measured from T0s was 5.42(+1.37/-2.27) photons/cm^2/s\nin the same energy range.\n\nPreliminary result shows that the time-averaged spectrum from T0-2s to\nT0+5s is well fitted by a single power-law with a photon index of\n2.32 (+0.41/-0.34) (chi2/d.o.f = 12.19/13).\n\nAll the quoted errors are at statistical 90% confidence level,\nin which the systematic uncertainties are not included.\n\nThe light curves for this burst will be available at:\nhttp://www.astro.isas.jaxa.jp/suzaku/HXD-WAM/WAM-GRB/grb/trig/grb_table.html",
  "circularId": 14376,
  "createdOn": 1366058835000,
  "email": "ohno@hep01.hepl.hiroshima-u.ac.jp",
  "subject": "GRB 130408A: Suzaku WAM observation of the prompt emission",
  "submitter": "Masanori Ohno at Hiroshima U  <ohno@hep01.hepl.hiroshima-u.ac.jp>",
  "eventId": "GRB 130408A"
}