Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Wed Jan 22 19:30:49 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger164279
======================================================================

  Trigger: 00164279      Segment: 000

  BAT Trigger Time: 153926574.272   [s; MET]
      Trigger Stop: 153926579.776   [s; MET]
               UTC: 2005-11-17T13:22:54.427080    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 85.2253223997025   Dec: -19.2449527944692  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.47
     Image Trigger?:     NO
     Rate S/N Ratio:     12.8452325786651  [ if not an image trigger ]
     Image S/N Ratio:    6.47

  Analysis Position:   [ source = BAT ]
    RA: 85.2253223997025   Dec: -19.2449527944692  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 85.2100145209269   Dec: -19.2840579216085  [deg; J2000]  
        { 05h 40m 50.4s , -19d 17' 02.6" }
         +/- 2.46505516627168 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.22983849847636 [arcmin] (formal 1-sigma fit error)
    SNR: 8.38235467757771
 
  Angular difference between the analysis and refined position is 2.501384 arcmin
 
  Partial Coding Fraction: 0.71875    [ including projection effects ]

  Duration
     T90: 9.02000001072884 +/- 1.31508175906147
        Measured from: 1.51599997282028
                   to: 10.5359999835491     [s; relative to TRIGTIME]
     T50: 4.83599999547005 +/- 2.50364615854103
        Measured from: 2.64399999380112
                   to: 7.47999998927116     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.43999999761581     
                   to: 2.43999999761581     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 1.38799998164177     
                   to: 10.9959999918938     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.070222   0.110627   0.095085   0.015652
           0.017332   0.018047   0.016099   0.013849 [error]
 Peak      0.016709   0.020447   0.020709   0.004442
           0.005675   0.005964   0.005400   0.004660 [error]

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

======================================================================
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100    9.608    1.388   10.996
T90     9.020    1.516   10.536
T50     4.836    2.644    7.480
Peak    1.000    1.440    2.440
 
 
====== 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: 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      -1.544    -0.308      0.299       -           -               -         1.93e-03     -3.74e-04          3.69e-04      79.510   57
CPL     -0.535    -1.111      1.475       70.830     -21.132       -70.830      6.40e-03     -6.40e-03          2.85e-02      77.150   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      -1.508     -0.455     0.433       -           -               -         4.02e-03     -1.17e-03          1.15e-03      87.710   57
CPL      1.183     -2.350    -1.183       60.610     -14.145        63.198      8.10e-02     -8.10e-02          9.87e+02      83.710   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   2.47e-08  4.42e-08  6.06e-08  1.72e-07  1.75e-07  3.02e-07   erg/cm2
      90%_error_low -6.75e-09 -8.19e-09 -1.51e-08 -7.38e-08 -3.62e-08 -9.02e-08   erg/cm2
      90%_error_hi   7.20e-09  8.15e-09  1.51e-08  1.03e-07  3.71e-08  1.14e-07   erg/cm2
Peak flux       PL   1.67e-01  1.67e-01  1.17e-01  1.31e-01  5.03e-01  5.82e-01   ph/cm2/s
      90%_error_low -6.73e-02 -4.83e-02 -4.15e-02 -7.22e-02 -1.40e-01 -1.64e-01   ph/cm2/s
      90%_error_hi   7.55e-02  4.78e-02  4.14e-02  1.08e-01  1.41e-01  1.67e-01   ph/cm2/s
 
Fluence        CPL   2.12e-08  4.93e-08  6.39e-08  4.90e-08  1.64e-07  1.83e-07   erg/cm2
      90%_error_low -8.02e-09 -1.01e-08 -1.75e-08 -3.67e-08 -3.70e-08 -5.30e-08   erg/cm2
      90%_error_hi   8.25e-09  1.06e-08  1.76e-08  1.55e-07  3.89e-08  1.56e-07   erg/cm2
Peak flux      CPL   8.78e-02  1.99e-01  1.44e-01  2.04e-02  4.49e-01  4.52e-01   ph/cm2/s
      90%_error_low -8.78e-02 -9.43e-02 -5.43e-02 -2.04e-02 -1.96e-01 -1.98e-01   ph/cm2/s
      90%_error_hi   1.04e-01  6.51e-02  5.97e-02  8.04e-02  1.53e-01  1.63e-01   ph/cm2/s
 
======================================================================
  • Special notes of this burst