{
  "bibcode": "2010GCN.10939....1G",
  "body": "S. Golenetskii, R.Aptekar, D. Frederiks, E. Mazets, V. Pal'shin,\nP. Oleynik, M. Ulanov, D. Svinkin, and T. Cline on behalf\nof the Konus-Wind team, report:\n\nThe long bright hard GRB 100701B (localized by IPN,\nGolenetskii et al., GCN 10938) triggered Konus-Wind\nat T0=42319.075s UT (11:45:19.075)\n\nThe burst light curve consists of several (>6) short\nhard pulses with a total duration of ~15 s.\nThe emission is clearly seen up to 10 MeV.\n\nThe Konus-Wind light curve of this GRB is available at\nhttp://www.ioffe.ru/LEA/GRBs/GRB100701_T42319/\n\nAs observed by Konus-Wind the burst\nhad a fluence of 5.0(+/-0.85)x10-5 erg/cm2,\nand a 256-ms peak flux measured from T0+3.584s\nof 2.2+/-0.3)x10-5 erg/cm2/s\n(both in the 20 keV - 10 MeV energy range).\n\nThe time-integrated spectrum of the burst\n(from T0 to T0+16.640 s) is best fit\nin the 20 keV - 10 MeV range by the GRB (Band)\nmodel, for which:\nthe low-energy photon index alpha = -0.90 (+/-0.10),\nthe high energy photon index beta = -2.7 ( <-2.1 ),\nthe peak energy Ep = 1186(-243, +294)keV (chi2 = 74.4/84 dof).\n\nThe spectrum at the maximum count rate\n(measured from T0+0.256 to T0+8.848 s) is best fit\nin the 20 keV - 10 MeV range by the GRB (Band)\nmodel, for which:\nthe low-energy photon index alpha = -0.80 (+/-0.10),\nthe high energy photon index beta = -2.6 ( <-2.2 ),\nthe peak energy Ep = 1202(-217, +246)keV (chi2 = 90/84 dof).\n\nAll the quoted results are preliminary.\nAll the quoted errors are at the 90% confidence level.",
  "circularId": 10939,
  "createdOn": 1278403536000,
  "email": "fred@mail.ioffe.ru",
  "subject": "Konus-Wind observation of GRB 100701B",
  "submitter": "Dmitry Frederiks at Ioffe Institute  <fred@mail.ioffe.ru>",
  "eventId": "GRB 100701B"
}