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                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time: Tue Nov 11 12:30:22 GMT 2025
             Host Name: fireball.star.le.ac.uk
   Current Working Dir: /fbdata/autoproc/tmp/batxrtlc_1dy4y
======================================================================

  Trigger: 00453628      Segment: 000

  BAT Trigger Time: 327463943.68   [s; MET]
      Trigger Stop: 327463944.704   [s; MET]
               UTC: 2011-05-19T02:12:16.711700    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 261.628977846193   Dec: -23.4083422668494  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    21.44
     Image Trigger?:     NO
     Rate S/N Ratio:     40.8778668719394  [ if not an image trigger ]
     Image S/N Ratio:    21.44

  Analysis Position:   [ source = BAT ]
    RA: 261.628977846193   Dec: -23.4083422668494  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 261.63663808999   Dec: -23.4261120683832  [deg; J2000]  
        { 17h 26m 32.8s , -23d 25' 34.0" }
         +/- 0.697619450355224 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.186333350201795 [arcmin] (formal 1-sigma fit error)
    SNR: 50.8768726238392



  Partial Coding Fraction: 0.5078125    [ including projection effects ]

  Duration
     T90: 27.1279999017715 +/- 3.00330754084659
        Measured from: -2.63999998569489
                   to: 24.4879999160767     [s; relative to TRIGTIME]
     T50: 10.1039999127388 +/- 0.601132276307361
        Measured from: 0.744000017642975
                   to: 10.8479999303818     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.34799998998642     
                   to: 3.34799998998642     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -4.14800000190735     
                   to: 37.7599999904633     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.871613   2.872211   1.325680   0.215037
           0.065409   0.061887   0.051711   0.042406 [error]
 Peak      0.197944   0.213068   0.104891   0.013401
           0.012072   0.011723   0.009645   0.006758 [error]

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

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