{
  "bibcode": "2021GCN.30450....1R",
  "body": "A. Ridnaia, D. Frederiks, S. Golenetskii, A. Lysenko,\nD. Svinkin, A. Tsvetkova,  M. Ulanov, and T. Cline\non behalf of the Konus-Wind team, report:\n\nThe short, soft burst from SGR 1935+2154\n(Fermi GBM trigger 647641569)\ntriggered Konus-Wind on 2021 July 10 at\nT0=73568.532 s UT (20:26:08.532).\n\nThe burst light curve shows a single pulse\nstarted at ~T0-150 ms with a total duration of ~200 ms.\nThe emission is seen up to 200 keV.\n\nThe Konus-Wind light curve of this burst is available at\nhttp://www.ioffe.ru/LEA/SGRs/210710_T73568/\n\nAs observed by Konus-Wind, the burst\nhad a fluence of 1.49(-0.17,+0.17)x10^-6 erg/cm2,\nand a 2-ms peak flux, measured from T0-0.044 s,\nof 1.33(-0.33,+0.33)x10^-5 erg/cm2/s\n(both in the 20 - 500 keV energy range).\n\nThe time-averaged spectrum of the burst\n(measured from T0 to T0+0.064 s)\nis best fit in the 20 - 200 keV range\nby a power law with exponential cutoff model:\ndN/dE ~ (E^alpha)*exp(-E*(2+alpha)/Ep)\nwith  alpha = -0.66(-1.32,+1.91)\nand Ep = 25(-22,+9) keV (chi2 = 6/9 dof).\n\nAll the quoted errors are at the 90% confidence level.\nAll the quoted values are preliminary.",
  "circularId": 30450,
  "createdOn": 1626094397000,
  "email": "ridnaia@mail.ioffe.ru",
  "subject": "Konus-Wind detection of a burst from SGR 1935+2154 on 2021 July 10",
  "submitter": "Anna Ridnaia at Ioffe Institute  <ridnaia@mail.ioffe.ru>",
  "eventId": "SGR 1935+2154"
}