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                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time: Tue Nov 11 13:28:21 GMT 2025
             Host Name: fireball.star.le.ac.uk
   Current Working Dir: /fbdata/autoproc/tmp/batxrtlc_kv9vx
======================================================================

  Trigger: 00661775      Segment: 000

  BAT Trigger Time: 467611119.488   [s; MET]
      Trigger Stop: 467611120   [s; MET]
               UTC: 2015-10-27T03:58:24.159080    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 272.491599210451   Dec: 61.3808915516615  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.26
     Image Trigger?:     NO
     Rate S/N Ratio:     29.1547594742265  [ if not an image trigger ]
     Image S/N Ratio:    9.26

  Analysis Position:   [ source = BAT ]
    RA: 272.491599210451   Dec: 61.3808915516615  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 272.496658653087   Dec: 61.3613596193292  [deg; J2000]  
        { 18h 09m 59.2s , +61d 21' 40.9" }
         +/- 1.11708280467326 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.395700536670363 [arcmin] (formal 1-sigma fit error)
    SNR: 25.9671925873732



  Partial Coding Fraction: 0.1894531    [ including projection effects ]

  Duration
     T90: 129.055999934673 +/- 5.96083346960913
        Measured from: 0.612000048160553
                   to: 129.667999982834     [s; relative to TRIGTIME]
     T50: 96.7199999690056 +/- 8.13874093838672
        Measured from: 16.8000000119209
                   to: 113.519999980927     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.203999996185303     
                   to: 1.2039999961853     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.739999949932098     
                   to: 167.776000022888     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.283569   4.323367   3.105356   0.862680
           0.100930   0.101407   0.089194   0.074707 [error]
 Peak      0.169179   0.265436   0.277356   0.107861
           0.018072   0.020381   0.020271   0.015095 [error]

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

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