{
  "bibcode": "2015GCN.18073....1G",
  "body": "S. Golenetskii, R.Aptekar, D. Frederiks, V. Pal'shin, P. Oleynik,\nM. Ulanov, D. Svinkin, A. Tsvetkova, A.Lysenko, and T. Cline\non behalf of the Konus-Wind team, report:\n\nThe long-duration GRB 150725A (Masumitsu et al., GCN Circ. 18062) \ntriggered Konus-Wind at T0=31454.410 s UT (08:44:14.410),\n~15 s before the MAXI trigger.\n\nThe KW light curve measured in the triggered mode shows multiple\nbright pulses in the interval from ~T0-0.5 s to ~T0+60 s.\nThe emission is visible up to ~10 MeV.\n\nAs observed by Konus-Wind, the burst had a fluence\nof 1.55(-0.10,+0.09)x10^-4 erg/cm2, and a 64-ms peak flux,\nmeasured from T0+51.456 s, of 1.35(-0.23,+0.17)x10^-5 erg/cm2/s\n(both in the 20 keV - 10 MeV energy range).\n\nThe time-averaged spectrum (measured from T0 to T0+58.112 s)\nis best fit in the 20 keV - 15 MeV range\nby the GRB (Band) function with the following model parameters:\nthe low-energy photon index alpha = -0.84 (-0.07,+0.08),\nthe high energy photon index beta = -2.32 (-0.13,+0.10),\nthe peak energy Ep = 326 (-24,+28) keV,\nchi2 = 125/97 dof.\n\nThe spectrum near the peak count rate\n(measured from T0+51.200 to T0+58.112 s)\nis best fit in the 20 keV - 15 MeV range\nby the GRB (Band) function with the following model parameters:\nthe low-energy photon index alpha = -0.77 (-0.23,+0.26),\nthe high energy photon index beta = -2.29 (-0.52,+0.18),\nthe peak energy Ep = 270 (-53,+86) keV,\nchi2 = 92/97 dof.\n\nThe Konus-Wind light curve of this GRB is available at\nhttp://www.ioffe.ru/LEA/GRBs/GRB150725_T31454/\n\nAll the quoted errors are at the 90% confidence level.\nAll the quoted values are preliminary.",
  "circularId": 18073,
  "createdOn": 1437988287000,
  "email": "fred@mail.ioffe.ru",
  "subject": "Konus-Wind observation of GRB 150725A",
  "submitter": "Dmitry Frederiks at Ioffe Institute  <fred@mail.ioffe.ru>",
  "eventId": "GRB 150725A"
}