{
  "submittedHow": "web",
  "body": "A. Ridnaia, D. Frederiks, A. Lysenko, V. Panteleeva,\nD. Svinkin, A. Tsvetkova,  M. Ulanov, and T. Cline,\non behalf of the Konus-Wind team, report:\n\nThe long-duration GRB 261011A\n(SVOM detection: Huang et al., GCN 45895;\nSwift detection: Cenko et al., GCN 45896)\nwas detected by Konus-Wind (KW) in the waiting mode\nat about T0 = T0 (SVOM) = 49747 s UT (13:49:07).\n\nA Bayesian block analysis of the KW  waiting mode data\nin the 20-400 keV band reveals a ~20 sigma count rate\nincrease in the interval from T0+1.7 s to T0+66.468 s.\n\nThe Konus-Wind light curve of this GRB is available at\nhttp://www.ioffe.ru/LEA/GRBs/GRB261011A/\n\nThe total burst fluence is 1.30(-0.21,+0.62)x10^-5 erg/cm^2,\nand the 2.944 s peak energy flux, measured from T0+10.532 s,\nis 4.63(-4.27,+4.74)x10^-7 erg/cm^2/s.\n(both in the 20 keV - 10 MeV energy range).\n\nThe time-integrated spectrum of the burst,\nmeasured from T0+1.7 s to T0+66.468 s,\ncan be described by a power law with exponential cutoff (CPL) model\ndN/dE ~ (E^alpha)*exp(-E*(2+alpha)/Ep)\nwith alpha = -1.8(-0.1,+0.2) and Ep = 198(-67,+869) keV.\n\nAll the quoted errors are estimated at the 68% confidence level.\nAll the presented results are preliminary.",
  "submitter": "Anna Ridnaia at Ioffe Institute <ridnaia@mail.ioffe.ru>",
  "subject": "Konus-Wind detection of GRB 261011A",
  "eventId": "GRB 261011A",
  "circularId": 45924,
  "eventType": [
    "GRB",
    "Gamma-ray Transient"
  ],
  "createdOn": 1791818146808,
  "format": "text/plain"
}