Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Wed Jan 22 12:45:32 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger232683
======================================================================

  Trigger: 00232683      Segment: 000

  BAT Trigger Time: 181908490.304   [s; MET]
      Trigger Stop: 181908491.328   [s; MET]
               UTC: 2006-10-07T10:08:08.812840    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 46.3175910410402   Dec: -50.4878550139145  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    15.62
     Image Trigger?:     NO
     Rate S/N Ratio:     73.1846978541279  [ if not an image trigger ]
     Image S/N Ratio:    15.62

  Analysis Position:   [ source = BAT ]
    RA: 46.3175910410402   Dec: -50.4878550139145  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 46.3058254064013   Dec: -50.4948031374968  [deg; J2000]  
        { 03h 05m 13.4s , -50d 29' 41.3" }
         +/- 0.901511405342841 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.268897257817658 [arcmin] (formal 1-sigma fit error)
    SNR: 35.2732276025779
 
  Angular difference between the analysis and refined position is 0.612780 arcmin
 
  Partial Coding Fraction: 0.1953125    [ including projection effects ]

  Duration
     T90: 75.7360000014305 +/- 2.48255352208967
        Measured from: 3.62800002098083
                   to: 79.3640000224113     [s; relative to TRIGTIME]
     T50: 23.0160000026226 +/- 0.198715875951865
        Measured from: 31.5600000023842
                   to: 54.5760000050068     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 45.1440000236034     
                   to: 46.1440000236034     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -4.05599999427795     
                   to: 248.288000017405     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total    12.075275  20.561754  21.858439   8.008755
           0.112736   0.129654   0.129900   0.108045 [error]
 Peak      0.292306   0.587193   0.773372   0.327645
           0.009468   0.012733   0.015156   0.012774 [error]

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

======================================================================
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100  252.344   -4.056  248.288
T90    75.736    3.628   79.364
T50    23.016   31.560   54.576
Peak    1.000   45.144   46.144
 
 
====== Spectral Analysis Summary =====================================
 
Model      : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index   : photon index: E^{Ph_index}
Ph_90err   : 90% error of the photon index
Epeak      : Epeak in keV
Epeak_90err: 90% error of Epeak
Norm       : normalization at 50 keV in both the PL model and CPL model
Nomr_90err : 90% error of the normalization
chi2       : Chi-Squared
dof        : degree of freedo
 
=== Time-averaged spectral analysis ===
(Best model with acceptable fit: PL)
 
Model Ph_index Ph_90err_low Ph_90err_hi  Epeak  Epeak_90err_low  Epeak_90err_hi  Norm       Nomr_90err_low    Norm_90err_hi    chi2    dof
PL      -1.020    -0.023      0.023       -           -               -         1.66e-02     -2.28e-04          2.28e-04      27.930   57
CPL     -1.014    -0.023      0.047     9997.890    -9997.890      -9997.890      1.67e-02     -2.11e-04          6.52e-04      28.270   56
 
 
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: N/A)
 
Model Ph_index Ph_90err_low Ph_90err_hi  Epeak  Epeak_90err_low  Epeak_90err_hi  Norm       Nomr_90err_low    Norm_90err_hi    chi2    dof
PL      -0.684     -0.046     0.046       -           -               -         1.27e-01     -3.22e-03          3.21e-03      43.400   57
CPL     -0.595     -0.104     0.096      993.487    -993.487      -993.487      1.38e-01     -1.30e-02          6.63e-03      44.800   56
 
 
=== Fluence/Peak Flux Summary ===
 
              Model    Band1     Band2     Band3     Band4     Band5     Total
                       15-25     25-50    50-100    100-350    15-150    15-350    keV
Fluence         PL   3.42e-06  8.44e-06  1.66e-05  8.15e-05  4.50e-05  1.10e-04   erg/cm2
      90%_error_low -1.05e-07 -1.56e-07 -1.99e-07 -2.35e-06 -5.32e-07 -2.35e-06   erg/cm2
      90%_error_hi   1.07e-07  1.56e-07  1.99e-07  2.40e-06  5.31e-07  2.39e-06   erg/cm2
Peak flux       PL   1.69e-03  2.10e-02  2.14e-01  2.07e+01  9.64e-01  2.07e+01   ph/cm2/s
      90%_error_low     N/A       N/A       N/A       N/A       N/A       N/A     ph/cm2/s
      90%_error_hi      N/A       N/A       N/A       N/A       N/A       N/A     ph/cm2/s
 
Fluence        CPL   3.41e-06  8.44e-06  1.67e-05  8.09e-05  4.50e-05  1.09e-04   erg/cm2
      90%_error_low    N/A    -1.56e-07    N/A       N/A    -5.31e-07    N/A      erg/cm2
      90%_error_hi     N/A     1.56e-07    N/A       N/A     5.30e-07    N/A      erg/cm2
Peak flux      CPL   2.43e+00  3.96e+00  4.93e+00  1.25e+01  1.47e+01  2.33e+01   ph/cm2/s
      90%_error_low -1.64e-01 -1.25e-01 -1.22e-01 -1.25e+00 -4.01e-01 -8.12e-01   ph/cm2/s
      90%_error_hi   1.12e-01  1.23e-01  1.40e-01  -7.22e-02  3.73e-01  6.84e-01   ph/cm2/s
 
======================================================================
  • Special notes of this burst