{
  "bibcode": "2012GCN.13382....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 intense hard GRB 120624B\n(GBM trigger 362269436: Gruber et al., GCN 13377;\nFermi/LAT detection: Vianello & Kocevski, GCN 13379)\ntriggered Konus-Wind at T0=80406.904s UT (22:20:06.904)\n\nThe light curve shows multiple pulses grouped to three main episodes.\nA total duration of the burst is ~300 s.\n\nWe note a quasi-periodic light curve structure (with T~3.6s)\nwhich is observed during the second bursting episode\n(from ~T0+120s to ~T0+150s).\n\nThe emission is seen up to ~10 MeV.\nThe Konus-Wind light curve of this GRB is available at\nhttp://www.ioffe.ru/LEA/GRBs/GRB120624_T80406/\n\nAs observed by Konus-Wind the burst\nhad a fluence of 2.75(-0.1,+0.1)x10-4 erg/cm2,\nand a 2.944-ms peak flux, measured from T0+235.28 s,\nof 3.0(-0.6,+0.7)x10-6 erg/cm2/s\n(both in the 20 keV - 10 MeV energy range).\n\nThe time-integrated spectrum of the burst\n(measured from T0 to T0+253.952 s)\nis best fitted in the 20 keV - 10 MeV range\nwith the GRB (Band) model, for which:\nthe low-energy photon index alpha = -1.02 (-0.10, +0.12),\nthe high energy photon index beta = -2.6 (-2.0, +0.4),\nthe peak energy Ep = 530(-80, +90) keV,\nchi2 = 82.7/86 dof.\n\nThe spectrum at the maximum count rate\n(measured from T0+229.634 to T0+237.824 s)\nis best fitted in the 20 keV - 10 MeV range\nwith the GRB (Band) model, for which:\nthe low-energy photon index alpha = -1.12 (-0.13, +0.21),\nthe high energy photon index beta = -2.3 (<-1.8),\nthe peak energy Ep = 1000(-450, +620) keV,\nchi2 = 77.8/86 dof.\n\nAll the quoted results are preliminary.\nAll the quoted errors are at the 90% confidence level.",
  "circularId": 13382,
  "createdOn": 1340645960000,
  "email": "fred@mail.ioffe.ru",
  "subject": "Konus-Wind observation of GRB 120624B",
  "submitter": "Dmitry Frederiks at Ioffe Institute  <fred@mail.ioffe.ru>",
  "eventId": "GRB 120624B"
}