{
  "bibcode": "2001GCN..1078....1R",
  "body": "SGR1900+14: High Fluence Burst Localized by HETE\n\nG. Ricker, D. Lamb, and S. Woosley on behalf of the HETE Science Team;\n\nR. Vanderspek, G. Crew, J. Doty, G. Monnelly, J. Villasenor; N. \nButler, T. Cline, J.G. Jernigan, A. Levine, F. Martel, E. Morgan, G. \nPizzichini, and G. Prigozhin, on behalf of the HETE Operations and \nHETE Optical-SXC Teams;\n\nN. Kawai, M. Matsuoka, Y. Shirasaki, T. Tamagawa, K. Torii, T. \nSakamoto, A. Yoshida, E. Fenimore, M. Galassi, and  C. Graziani, on \nbehalf of the HETE WXM Team;\n\nJ-L Atteia, M. Boer, J-F Olive, J-P Dezalay, and K. Hurley on behalf \nof the HETE FREGATE Team;\n\nwrite:\n\nAt 03:34:06.53 UTC (12846.53 s UT) on 2 July, the HETE FREGATE and \nWXM instruments detected and localized an intense burst from \nSGR1900+14, a soft gamma-ray repeater. This event is the highest \nfluence burst yet detected by HETE from SGR1900+14 during its current \nepisode of activity. (The first burst in the current series was \nreported in GCN Circular #1071.) The coordinates (J2000) of the 2 \nJuly burst are:\n\nR.A. = 286.846 (19h07m23s.1)\n\nDec. =  +9.344 (+9o20'40\")\n\nThe error circle for this localization is 12 arcmin in radius. \nSGR1900+14 lies 4.1 arcmin from the HETE position.\n\nThe burst duration in the 8-40 keV band was ~4 s. A total of 44000 \ncounts above background were detected during that interval, \ncorresponding to a fluence of ~8 x 10-6 ergs cm-2 . The peak flux \nwas >7 x 10-6 ergs cm-2 s-1 (ie >200 x Crab flux) over a duration of \n10 ms.\n\nFollow-up observations of this transient are encouraged.\n\nAdditional information on this burst detection (including light \ncurves), as well as for the HETE mission, will be available at:\n\nhttp://space.mit.edu/HETE/\n\nAcronyms: HETE=High Energy Transient Explorer\nFREGATE=French Gamma Ray Telescope\nWXM=Wide Field X-ray Monitor\nSXC=Soft X-ray Camera\n\nThis message is citeable.",
  "circularId": 1078,
  "createdOn": 994051790000,
  "email": "grr@space.mit.edu",
  "subject": "SGR1900+14: High Fluence Burst Localized by HETE",
  "submitter": "George Ricker at MIT  <grr@space.mit.edu>"
}