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                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time: Tue Nov 11 12:29:42 GMT 2025
             Host Name: fireball.star.le.ac.uk
   Current Working Dir: /fbdata/autoproc/tmp/batxrtlc_KHTWu
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  Trigger: 00451165      Segment: 000

  BAT Trigger Time: 324243258.688   [s; MET]
      Trigger Stop: 324243259.712   [s; MET]
               UTC: 2011-04-11T19:34:11.842080    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 291.436981024355   Dec: 67.7320243410843  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.94
     Image Trigger?:     NO
     Rate S/N Ratio:     12  [ if not an image trigger ]
     Image S/N Ratio:    6.94

  Analysis Position:   [ source = BAT ]
    RA: 291.436981024355   Dec: 67.7320243410843  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 291.447848190068   Dec: 67.7031790566147  [deg; J2000]  
        { 19h 25m 47.5s , +67d 42' 11.4" }
         +/- 0.734734443039344 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.261749515767148 [arcmin] (formal 1-sigma fit error)
    SNR: 47.2455236333828



  Partial Coding Fraction: 0.71875    [ including projection effects ]

  Duration
     T90: 81.4919999241829 +/- 5.34246988199801
        Measured from: -7.45200002193451
                   to: 74.0399999022484     [s; relative to TRIGTIME]
     T50: 51.7599999308586 +/- 2.56476512015337
        Measured from: 4.78799998760223
                   to: 56.5479999184608     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 4.73199999332428     
                   to: 5.73199999332428     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -16.0080000162125     
                   to: 86.3079999685287     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.452940   2.565538   1.146705   0.126680
           0.064396   0.064265   0.056119   0.048026 [error]
 Peak      0.055420   0.066948   0.037748  -0.000882
           0.006883   0.007027   0.006220   0.005032 [error]

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

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