Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Mon Jan 13 04:03:33 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger525068
======================================================================

  Trigger: 00525068      Segment: 000

  BAT Trigger Time: 362269182.016   [s; MET]
      Trigger Stop: 362269183.04   [s; MET]
               UTC: 2012-06-24T22:19:33.661820    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 170.941840070123   Dec: 8.93369375766324  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.74
     Image Trigger?:     NO
     Rate S/N Ratio:     21.2602916254693  [ if not an image trigger ]
     Image S/N Ratio:    7.74

  Analysis Position:   [ source = BAT ]
    RA: 170.941840070123   Dec: 8.93369375766324  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 170.882824115002   Dec: 8.93146303341047  [deg; J2000]  
        { 11h 23m 31.9s , +08d 55' 53.3" }
         +/- 0.48399954807925 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.110939663549127 [arcmin] (formal 1-sigma fit error)
    SNR: 85.7708810482761
 
  Angular difference between the analysis and refined position is 3.500571 arcmin
 
  Partial Coding Fraction: 0.8671875    [ including projection effects ]

  Duration
     T90: 179.663999915123 +/- 1.46002191717733
        Measured from: 7.16400003433228
                   to: 186.827999949455     [s; relative to TRIGTIME]
     T50: 128.143999934196 +/- 1.46369944835646
        Measured from: 39.1080000400543
                   to: 167.251999974251     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 138.056000053883     
                   to: 139.056000053883     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -15.12399995327     
                   to: 192.772000014782     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     8.853346  14.344203  14.094987   4.862000
           0.106657   0.119570   0.115880   0.096811 [error]
 Peak      0.129778   0.237015   0.274322   0.083077
           0.008267   0.010104   0.010501   0.008339 [error]

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

======================================================================
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100  207.896  -15.124  192.772
T90   179.664    7.164  186.828
T50   128.144   39.108  167.252
Peak    1.000  138.056  139.056
 
 
====== 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      -1.116    -0.027      0.027       -           -               -         1.37e-02     -2.04e-04          2.03e-04      38.770   57
CPL     -1.109    -0.028      0.054     9996.950    -9996.950      -9996.950      1.37e-02     -1.84e-04          1.90e-04      39.120   56
 
 
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: CPL)
 
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      -0.966     -0.077     0.078       -           -               -         4.78e-02     -2.11e-03          2.11e-03      51.340   57
CPL     -0.501     -0.316     0.342      185.881     -54.917       249.223      7.68e-02     -2.07e-02          3.07e-02      44.820   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   2.54e-06  5.90e-06  1.09e-05  4.82e-05  2.96e-05  6.75e-05   erg/cm2
      90%_error_low -8.59e-08 -1.18e-07 -1.53e-07 -1.66e-06 -4.02e-07 -1.67e-06   erg/cm2
      90%_error_hi   8.74e-08  1.18e-07  1.53e-07  1.70e-06  4.03e-07  1.71e-06   erg/cm2
Peak flux       PL   5.92e-04  7.16e-03  6.02e-02  6.92e+00  2.66e-01  4.73e+00   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   2.53e-06  5.90e-06  1.09e-05  4.79e-05  2.96e-05  6.95e-05   erg/cm2
      90%_error_low    N/A    -1.18e-07 -1.53e-07    N/A    -4.02e-07    N/A      erg/cm2
      90%_error_hi     N/A     1.18e-07  1.53e-07    N/A     3.99e-07    N/A      erg/cm2
Peak flux      CPL   1.04e+00  1.67e+00  1.77e+00  2.00e+00  5.39e+00  6.48e+00   ph/cm2/s
      90%_error_low -1.34e-01 -9.57e-02 -1.04e-01 -4.96e-01 -2.55e-01 -5.62e-01   ph/cm2/s
      90%_error_hi   1.38e-01  9.63e-02  1.05e-01  7.04e-01  2.54e-01  7.36e-01   ph/cm2/s
 
======================================================================
  • Special notes of this burst