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                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time: Tue Nov 11 14:04:16 GMT 2025
             Host Name: fireball.star.le.ac.uk
   Current Working Dir: /fbdata/autoproc/tmp/batxrtlc_aGKx8
======================================================================

  Trigger: 00843211      Segment: 000

  BAT Trigger Time: 551202658.304   [s; MET]
      Trigger Stop: 551202659.328   [s; MET]
               UTC: 2018-06-20T15:50:37.167500    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 357.516541175609   Dec: -57.9572576503267  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    16.36
     Image Trigger?:     NO
     Rate S/N Ratio:     59.042357676502  [ if not an image trigger ]
     Image S/N Ratio:    16.36

  Analysis Position:   [ source = BAT ]
    RA: 357.516541175609   Dec: -57.9572576503267  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 357.511569797377   Dec: -57.9551091930762  [deg; J2000]  
        { 23h 50m 02.8s , -57d 57' 18.4" }
         +/- 0.77864088546826 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.274451827368455 [arcmin] (formal 1-sigma fit error)
    SNR: 43.4861485763194



  Partial Coding Fraction: 0.78125    [ including projection effects ]

  Duration
     T90: 223.96799993515 +/- 26.1326944119251
        Measured from: -118.840000033379
                   to: 105.127999901772     [s; relative to TRIGTIME]
     T50: 43.4159998893738 +/- 4.58923434841652
        Measured from: -3.2039999961853
                   to: 40.2119998931885     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.332000017166138     
                   to: 0.667999982833862     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -159.37600004673     
                   to: 162.427999973297     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     4.566758   6.256223   4.580516   1.101189
           0.119530   0.119995   0.102970   0.088156 [error]
 Peak      0.079007   0.163107   0.164361   0.052066
           0.008225   0.009349   0.009127   0.006691 [error]

     [ fluence units of on-axis counts / fully illuminated detector ] 

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