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                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time: Sat Oct 19 14:41:39 EDT 2024
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1257556
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  Trigger: 01257556      Segment: 000

  BAT Trigger Time: 749523057.152   [s; MET]
      Trigger Stop: 749523058.176   [s; MET]
               UTC: 2024-10-02T00:50:22.875360    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 140.954765070369   Dec: 39.8542969957009  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.55
     Image Trigger?:     NO
     Rate S/N Ratio:     12.0830459735946  [ if not an image trigger ]
     Image S/N Ratio:    7.55

  Analysis Position:   [ source = BAT ]
    RA: 140.954765070369   Dec: 39.8542969957009  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 140.942426622122   Dec: 39.8311057192352  [deg; J2000]  
        { 09h 23m 46.2s , +39d 49' 52.0" }
         +/- 0.967769763197361 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.32162359748843 [arcmin] (formal 1-sigma fit error)
    SNR: 31.8745472201793



  Partial Coding Fraction: 0.6875    [ including projection effects ]

  Duration
     T90: 43.3039999008179 +/- 4.39230692520438
        Measured from: -16.9879999160767
                   to: 26.3159999847412     [s; relative to TRIGTIME]
     T50: 14.4559999704361 +/- 2.00166830305826
        Measured from: -7.10399997234344
                   to: 7.35199999809265     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.275999903678894     
                   to: 0.724000096321106     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -21.3359999656677     
                   to: 34.9160000085831     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.275678   1.444950   0.790377   0.158888
           0.055340   0.057676   0.048100   0.039248 [error]
 Peak      0.047282   0.067499   0.070198   0.007890
           0.008207   0.008793   0.007541   0.005427 [error]

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

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