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         battblocks v1.18
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     Input Data: lc/sw00899979000b_50_300kev_64ms.lc
     Output GTI: gti/sw00899979000b_50_300kev_64ms_bb.gti
 Events to Skip: 128     Changepoint log(prob) Prior: 6.000000
  Internal Tick: 1.000000e-04 s
  Lookback time: 10 s
 Bkg. Subtract?: yes (for fluence/T50/T90 calculations)
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  Estimated T90 duration: 61.504 s +/- 16.4659 s
  Estimated T50 duration: 20.288 s +/- 5.38209 s
  Estimated Peak Interval: MET   577666726.85599995 +/- 0.500000 s
  Estimated background rate 1:        0.003 near MET 577666510.984000 s
  Estimated background rate 2:        0.000 near MET 577667151.848000 s
  Estimated total duration: 79.552 s (for data selection)
       (from MET 577666708.968000 to MET 577666788.520000)
  Estimated total fluence: 1.492602 count
  Created GTI with 6 entries
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