Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Mon Jan 20 05:16:06 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger297628
======================================================================

  Trigger: 00297628      Segment: 000

  BAT Trigger Time: 217987437.696   [s; MET]
      Trigger Stop: 217987441.792   [s; MET]
               UTC: 2007-11-29T00:03:55.301720    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 220.089670547025   Dec: -26.6590902014323  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.85
     Image Trigger?:     NO
     Rate S/N Ratio:     11.5325625946708  [ if not an image trigger ]
     Image S/N Ratio:    11.85

  Analysis Position:   [ source = BAT ]
    RA: 220.089670547025   Dec: -26.6590902014323  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 220.048957876435   Dec: -26.6699762684598  [deg; J2000]  
        { 14h 40m 11.7s , -26d 40' 11.9" }
         +/- 2.06367015489598 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.06871041757118 [arcmin] (formal 1-sigma fit error)
    SNR: 10.8051863397994
 
  Angular difference between the analysis and refined position is 2.278593 arcmin
 
  Partial Coding Fraction: 0.5546875    [ including projection effects ]

  Duration
     T90: 408.080000013113 +/- 52.3240852031849
        Measured from: -0.412000000476837
                   to: 407.668000012636     [s; relative to TRIGTIME]
     T50: 186.136000007391 +/- 23.5661112465353
        Measured from: 15.6359999775887
                   to: 201.77199998498     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 5.82799997925758     
                   to: 6.82799997925758     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -5.64000001549721     
                   to: 465.079999983311     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.227064   2.595751   1.522351   0.171889
           0.151452   0.156152   0.139981   0.133959 [error]
 Peak      0.031898   0.026211   0.049538   0.013780
           0.007360   0.007821   0.007235   0.006424 [error]

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

======================================================================
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100  470.720   -5.640  465.080
T90   408.080   -0.412  407.668
T50   186.136   15.636  201.772
Peak    1.000    5.828    6.828
 
 
====== 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      -1.860    -0.139      0.135       -           -               -         8.48e-04     -7.22e-05          7.11e-05      60.190   57
CPL     -1.473    -0.473      0.588       59.318     -14.483       -59.318      1.40e-03     -5.93e-04          1.55e-03      58.580   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      -1.267     -0.364     0.364       -           -               -         7.80e-03     -1.53e-03          1.53e-03      65.150   57
CPL     -1.122     -2.424     1.620      334.761    -334.761      -334.761      9.10e-03     -2.81e-03          3.45e-02      65.200   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   7.16e-07  1.06e-06  1.16e-06  2.41e-06  3.67e-06  5.35e-06   erg/cm2
      90%_error_low -7.77e-08 -7.53e-08 -1.36e-07 -5.30e-07 -3.10e-07 -6.73e-07   erg/cm2
      90%_error_hi   7.97e-08  7.54e-08  1.37e-07  6.25e-07  3.15e-07  7.47e-07   erg/cm2
Peak flux       PL   2.57e-01  2.97e-01  2.47e-01  3.45e-01  9.25e-01  1.15e+00   ph/cm2/s
      90%_error_low -9.07e-02 -6.78e-02 -5.99e-02 -1.50e-01 -1.85e-01 -2.35e-01   ph/cm2/s
      90%_error_hi   1.02e-01  6.56e-02  5.81e-02  2.10e-01  1.85e-01  2.43e-01   ph/cm2/s
 
Fluence        CPL   6.86e-07  1.10e-06  1.15e-06  1.23e-06  3.52e-06  4.17e-06   erg/cm2
      90%_error_low -8.82e-08 -9.70e-08 -1.49e-07 -6.98e-07 -3.66e-07 -8.08e-07   erg/cm2
      90%_error_hi   8.88e-08  9.96e-08  1.46e-07  1.38e-06  3.74e-07  1.47e-06   erg/cm2
Peak flux      CPL   2.61e-01  2.97e-01  2.46e-01  3.49e-01  9.26e-01  1.15e+00   ph/cm2/s
      90%_error_low -1.30e-01 -6.74e-02 -5.88e-02     N/A   -1.96e-01 -3.64e-01   ph/cm2/s
      90%_error_hi   9.74e-02  7.36e-02  7.09e-02     N/A    1.84e-01  2.20e-01   ph/cm2/s
 
======================================================================
  • Special notes of this burst