Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Fri Jan 17 16:14:51 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger433442
======================================================================

  Trigger: 00433442      Segment: 000

  BAT Trigger Time: 305392100.864   [s; MET]
      Trigger Stop: 305392101.888   [s; MET]
               UTC: 2010-09-05T15:08:14.715440    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 31.5300993876886   Dec: 14.9318648275642  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.53
     Image Trigger?:     NO
     Rate S/N Ratio:     14.0356688476182  [ if not an image trigger ]
     Image S/N Ratio:    8.53

  Analysis Position:   [ source = BAT ]
    RA: 31.5300993876886   Dec: 14.9318648275642  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 31.5408658320379   Dec: 14.9202012509081  [deg; J2000]  
        { 02h 06m 09.8s , +14d 55' 12.7" }
         +/- 1.71112821237917 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.86645675641838 [arcmin] (formal 1-sigma fit error)
    SNR: 14.1207443918381
 
  Angular difference between the analysis and refined position is 0.937739 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 3.39599996805191 +/- 0.503698317939263
        Measured from: -1.52000004053116
                   to: 1.87599992752075     [s; relative to TRIGTIME]
     T50: 1.59199994802475 +/- 0.480337404463937
        Measured from: -0.60400003194809
                   to: 0.98799991607666     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.0320000052452087     
                   to: 1.03200000524521     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.64000004529953     
                   to: 2.13999998569489     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.044207   0.103269   0.082903   0.025004
           0.009410   0.010073   0.009018   0.007356 [error]
 Peak      0.009367   0.034462   0.030413   0.009903
           0.004889   0.005234   0.004803   0.003756 [error]

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

======================================================================
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100    3.780   -1.640    2.140
T90     3.396   -1.520    1.876
T50     1.592   -0.604    0.988
Peak    1.000    0.032    1.032
 
 
====== 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      -1.088    -0.186      0.192       -           -               -         4.37e-03     -4.90e-04          4.90e-04      54.580   57
CPL     -0.411    -0.735      0.845      126.929     -45.006      -126.929      9.12e-03     -4.90e-03          1.41e-02      52.200   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      -0.876     -0.280     0.300       -           -               -         5.23e-03     -9.80e-04          9.70e-04      56.830   57
CPL      0.882     -1.372     2.026       94.114     -24.743       121.882      3.10e-02     -3.10e-02          1.89e-01      51.620   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   1.43e-08  3.40e-08  6.39e-08  2.91e-07  1.73e-07  4.04e-07   erg/cm2
      90%_error_low -2.98e-09 -4.47e-09 -8.22e-09 -7.48e-08 -2.12e-08 -8.08e-08   erg/cm2
      90%_error_hi   3.17e-09  4.40e-09  8.15e-09  9.15e-08  2.14e-08  9.50e-08   erg/cm2
Peak flux       PL   1.19e-01  1.74e-01  1.89e-01  3.86e-01  6.00e-01  8.68e-01   ph/cm2/s
      90%_error_low -4.07e-02 -4.07e-02 -3.51e-02 -1.28e-01 -1.11e-01 -1.67e-01   ph/cm2/s
      90%_error_hi   4.66e-02  4.03e-02  3.49e-02  1.65e-01  1.12e-01  1.76e-01   ph/cm2/s
 
Fluence        CPL   1.25e-08  3.61e-08  6.80e-08  1.22e-07  1.66e-07  2.38e-07   erg/cm2
      90%_error_low -3.56e-09 -5.17e-09 -9.49e-09 -6.95e-08 -2.32e-08 -7.22e-08   erg/cm2
      90%_error_hi   3.75e-09  5.35e-09  9.75e-09  1.75e-07  2.31e-08  1.95e-07   erg/cm2
Peak flux      CPL   7.43e-02  1.88e-01  2.27e-01  1.12e-01  5.69e-01  6.01e-01   ph/cm2/s
      90%_error_low -4.21e-02 -5.00e-02 -4.58e-02 -7.13e-02 -1.12e-01 -1.33e-01   ph/cm2/s
      90%_error_hi   5.41e-02  5.03e-02  4.76e-02  1.67e-01  1.14e-01  1.82e-01   ph/cm2/s
 
======================================================================
  • Special notes of this burst