Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Mon Jan 13 03:09:48 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger528195
======================================================================

  Trigger: 00528195      Segment: 000

  BAT Trigger Time: 364654416   [s; MET]
      Trigger Stop: 364654480   [s; MET]
               UTC: 2012-07-22T12:53:26.546400    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 230.491264214896   Dec: 13.2503098737037  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.9
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.9

  Analysis Position:   [ source = BAT ]
    RA: 230.491264214896   Dec: 13.2503098737037  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 230.491   Dec: 13.2503  [deg; J2000]
        { 15h 21m 57.8s , +13d 15' 01.1" }
        +/- 2.29963887776 [arcmin] (estimated 90% radius based on SNR)
    SNR: 9.25802961972
 
 
  Angular difference between the analysis and refined position is 0.015442 arcmin
 
  Partial Coding Fraction: 0.1582031    [ including projection effects ]

  Duration
     T90: 36.3200000524521 +/- 6.44498194241476
        Measured from: -4.12000000476837
                   to: 32.2000000476837     [s; relative to TRIGTIME]
     T50: 19.6320000290871 +/- 3.97602412695827
        Measured from: 5
                   to: 24.6320000290871     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 4.23600000143051     
                   to: 5.23600000143051     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -7.80000001192093     
                   to: 35.1439999938011     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.883401   0.690485   0.505828   0.173095
           0.087672   0.090549   0.080670   0.073061 [error]
 Peak      0.043858   0.040929   0.025264   0.031185
           0.013526   0.014024   0.012456   0.011112 [error]

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

======================================================================
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100   42.944   -7.800   35.144
T90    36.320   -4.120   32.200
T50    19.632    5.000   24.632
Peak    1.000    4.236    5.236
 
 
====== 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      -2.009    -0.259      0.240       -           -               -         3.35e-03     -5.15e-04          4.94e-04      40.250   57
CPL     -2.294    -0.656      0.581      118.698      N/A           N/A         2.35e-03        N/A               N/A         39.300   56
 
 
=== 1-s peak 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      -1.505     -0.714     0.760       -           -               -         7.98e-03     -2.90e-03          2.85e-03      54.320   57
CPL     -1.530     -5.521     1.428     9999.330      N/A           N/A         7.99e-03        N/A               N/A         54.330   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   2.97e-07  4.01e-07  3.99e-07  7.14e-07  1.33e-06  1.81e-06   erg/cm2
      90%_error_low -5.46e-08 -4.83e-08 -8.44e-08 -2.68e-07 -1.87e-07 -3.62e-07   erg/cm2
      90%_error_hi   5.70e-08  4.82e-08  8.46e-08  3.54e-07  1.90e-07  4.24e-07   erg/cm2
Peak flux       PL   3.30e-01  3.31e-01  2.33e-01  2.61e-01  9.98e-01  1.16e+00   ph/cm2/s
      90%_error_low -2.07e-01 -1.46e-01 -1.06e-01 -1.82e-01 -3.81e-01 -4.11e-01   ph/cm2/s
      90%_error_hi   2.48e-01  1.32e-01  9.99e-02  3.54e-01  3.82e-01  4.11e-01   ph/cm2/s
 
Fluence        CPL   2.85e-07  3.24e-07  3.51e-07  8.13e-07  1.24e-06  1.90e-06   erg/cm2
      90%_error_low -7.11e-08 -1.63e-07 -3.10e-07    N/A    -2.80e-07 -1.64e-06   erg/cm2
      90%_error_hi   6.47e-08  1.14e-07  9.36e-08    N/A     2.74e-07  3.09e-07   erg/cm2
Peak flux      CPL   3.48e-01  3.31e-01  2.29e-01  2.95e-01  1.02e+00  1.15e+00   ph/cm2/s
      90%_error_low -2.28e-01 -1.47e-01     N/A       N/A   -4.02e-01 -4.33e-01   ph/cm2/s
      90%_error_hi   1.86e-01  1.34e-01     N/A       N/A    3.63e-01  4.12e-01   ph/cm2/s
 
======================================================================
  • Special notes of this burst