{
  "bibcode": "2012GCN.13413....1S",
  "body": "A. Sakamoto, M. Tashiro, Y. Terada, W. Iwakiri, T. Yasuda, K. Takahara,\nM. Asahina, S. Kobayashi, H. Ueno (Saitama U.),\nM. Akiyama, N. Ohmori,  M. Yamauchi (Univ. of Miyazaki),\nK. Yamaoka, Y. E. Nakagawa (Waseda U.),\nY. Hanabata,  T. Kawano, K. Takaki, Y.Tanaka, R. Nakamura, M. Ohno,\nY. Fukazawa (Hiroshima U.), S. Sugita (Nagoya U.), M. Kokubun,\nT. Takahashi (ISAS/JAXA),���Y. Urata, P. Tsai (NCU), K. Nakazawa,\nK. Makishima (Univ. of Tokyo),���on behalf of the Suzaku WAM team, report:\n\nThe long GRB 120624B (Fermi/GRM; Gruber et al., GCN 13377,Fermi/LAT;\nVianello et al., GCN 13379,Konus-Wind; Golenetskii et al., GCN\n13382,Swift/BAT; Sakamoto et al., GCN 13384)���was detected by the Suzaku\nWide-band  All-sky Monitor (WAM) which covers an energy range of\n50 keV - 5 MeV at 22:19:30.985 UT (=T0).\n\nThe observed light curve shows  a multi-peaked structure starting at\nT0+5 s, ending at T0+279 s, with a duration (T90) of about 274 seconds.\nThe fluence in���100 - 1000 keV was 1.22(-0.06 +0.02) x 10^-4 erg/cm^2.\nThe 1-s peak flux measured from T0+274.5s was\n6.88(-2.11 +0.27) photons/cm^2/s in the same  energy range.\n\nPreliminary result shows that the time-averaged spectrum from T0-20s to\nT0+285s is well fitted by a GRB Band model:\nthe low-energy photon index alpha: -1.03(-0.16 +0.20),\n                      beta        : -2.61 (-0.33, +0.20)\nand the peak energy Epeak: 628(-73 +84) keV (chi^2/d.o.f = 72.1/50).\n\nAll the quoted errors are at statistical 90% confidence level,\nin which the systematic uncertainties are not included.\n\n----\nThe light curves for this burst will be available at:\n\nhttp://www.astro.isas.jaxa.jp/suzaku/HXD-WAM/WAM-GRB/grb/untrig/grb_table.html",
  "circularId": 13413,
  "createdOn": 1341390382000,
  "email": "tashiro@phy.saitama-u.ac.jp",
  "subject": "GRB 120624B Suzaku WAM observation of the prompt emission",
  "submitter": "Makoto Tashiro at Saitama U/Swift  <tashiro@phy.saitama-u.ac.jp>",
  "eventId": "GRB 120624B"
}