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                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time: Tue Nov 11 14:04:09 GMT 2025
             Host Name: fireball.star.le.ac.uk
   Current Working Dir: /fbdata/autoproc/tmp/batxrtlc_FgJWK
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  Trigger: 00843122      Segment: 000

  BAT Trigger Time: 551176519.168   [s; MET]
      Trigger Stop: 551176520.192   [s; MET]
               UTC: 2018-06-20T08:34:58.033100    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 279.883065240736   Dec: 23.2653066773561  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.35
     Image Trigger?:     NO
     Rate S/N Ratio:     15.2970585407784  [ if not an image trigger ]
     Image S/N Ratio:    9.35

  Analysis Position:   [ source = BAT ]
    RA: 279.883065240736   Dec: 23.2653066773561  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 279.889709870564   Dec: 23.2386801524677  [deg; J2000]  
        { 18h 39m 33.5s , +23d 14' 19.2" }
         +/- 0.792411264663351 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.236456827599624 [arcmin] (formal 1-sigma fit error)
    SNR: 42.4106186434302



  Partial Coding Fraction: 0.4375    [ including projection effects ]

  Duration
     T90: 22.7239998579025 +/- 5.26288338907498
        Measured from: -0.559999942779541
                   to: 22.163999915123     [s; relative to TRIGTIME]
     T50: 7.18400001525879 +/- 0.232000050873611
        Measured from: 5.25199997425079
                   to: 12.4359999895096     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 4.46800005435944     
                   to: 5.46800005435944     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -6.92400002479553     
                   to: 37.7879999876022     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.837186   3.638062   2.350454   0.644124
           0.067707   0.072046   0.063744   0.053994 [error]
 Peak      0.245749   0.345944   0.251997   0.077537
           0.013635   0.015255   0.013626   0.009781 [error]

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

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