Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Mon Jan 20 11:14:34 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger263361
======================================================================

  Trigger: 00263361      Segment: 000

  BAT Trigger Time: 194892089.984   [s; MET]
      Trigger Stop: 194892102.144   [s; MET]
               UTC: 2007-03-06T16:41:28.177300    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 148.081830318346   Dec: 10.4713881166989  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.85
     Image Trigger?:     NO
     Rate S/N Ratio:     13.3041346956501  [ if not an image trigger ]
     Image S/N Ratio:    9.85

  Analysis Position:   [ source = BAT ]
    RA: 148.081830318346   Dec: 10.4713881166989  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 148.082   Dec: 10.4714  [deg; J2000]
        { 09h 52m 19.7s , +10d 28' 17.0" }
        +/- 1.86583816617 [arcmin] (estimated 90% radius based on SNR)
    SNR: 12.4799366243
 
 
  Angular difference between the analysis and refined position is 0.010037 arcmin
 
  Partial Coding Fraction: 0.2851562    [ including projection effects ]

  Duration
     T90: 209.243999987841 +/- 64.6099401058841
        Measured from: -61.6999999880791
                   to: 147.543999999762     [s; relative to TRIGTIME]
     T50: 21.9160000085831 +/- 41.1730326057894
        Measured from: 83.8479999899864
                   to: 105.763999998569     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 98.2680000066757     
                   to: 99.2680000066757     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -118.840000003576     
                   to: 185.256000012159     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.795082   3.514344   2.287480   0.560661
           0.133614   0.139057   0.121328   0.104181 [error]
 Peak      0.140420   0.183699   0.142982   0.023604
           0.007149   0.008023   0.007169   0.005038 [error]

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

======================================================================
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100  304.096 -118.840  185.256
T90   209.244  -61.700  147.544
T50    21.916   83.848  105.764
Peak    1.000   98.268   99.268
 
 
====== 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      -1.627    -0.090      0.089       -           -               -         1.92e-03     -9.41e-05          9.37e-05      55.130   57
CPL     -1.604    -0.113      0.237      861.181    -861.181      -861.181      1.98e-03     -1.43e-04          4.10e-05      55.270   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      -1.541     -0.088     0.087       -           -               -         3.22e-02     -1.63e-03          1.62e-03      29.980   57
CPL     -1.188     -0.340     0.368      116.731     -35.935       875.570      4.83e-02     -1.52e-02          2.46e-02      26.820   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   8.42e-07  1.43e-06  1.85e-06  4.85e-06  5.46e-06  8.98e-06   erg/cm2
      90%_error_low -6.97e-08 -7.03e-08 -1.22e-07 -6.66e-07 -2.86e-07 -7.62e-07   erg/cm2
      90%_error_hi   7.15e-08  7.01e-08  1.22e-07  7.38e-07  2.88e-07  8.20e-07   erg/cm2
Peak flux       PL   1.38e+00  1.35e+00  9.30e-01  1.01e+00  4.06e+00  4.67e+00   ph/cm2/s
      90%_error_low -1.17e-01 -7.09e-02 -5.97e-02 -1.28e-01 -2.03e-01 -2.30e-01   ph/cm2/s
      90%_error_hi   1.20e-01  7.06e-02  5.94e-02  1.38e-01  2.04e-01  2.31e-01   ph/cm2/s
 
Fluence        CPL   8.42e-07  1.43e-06  1.85e-06  4.83e-06  5.46e-06  9.01e-06   erg/cm2
      90%_error_low    N/A       N/A       N/A       N/A    -2.54e-07 -1.76e-06   erg/cm2
      90%_error_hi     N/A       N/A       N/A       N/A     2.87e-07  3.56e-07   erg/cm2
Peak flux      CPL   1.29e+00  1.39e+00  9.58e-01  6.80e-01  3.99e+00  4.32e+00   ph/cm2/s
      90%_error_low -1.44e-01 -8.11e-02 -6.62e-02 -2.08e-01 -2.15e-01 -3.13e-01   ph/cm2/s
      90%_error_hi   1.47e-01  8.23e-02  6.72e-02  3.18e-01  2.15e-01  3.81e-01   ph/cm2/s
 
======================================================================
  • Special notes of this burst