Analysis Summary

Notes:

==========================================================================
           BAT GROUND-DETECTED GRB DATA PROCESSING REPORT                 
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Wed Nov 25 12:09:33 EST 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger516694
======================================================================

  Trigger: 00516694      Segment: 000

  BAT Trigger Time: 352346140.8
               UTC: 2012-03-02T01:55:32.852   [includes UTCF correction]
       Where From?: Ground analysis (best_duration.txt)
  NOTE: BAT trigger time for ground-detected burst is the T100 start time.
 
  Analysis Position:   [ source = GCN ]
    RA: 122.426   Dec: 29.642  [deg; J2000]
 
  Refined Position:   [ source = BAT pre-slew image ]
    RA: 122.426   Dec: 29.642  [deg; J2000]
        { 08h 09m 42.2s , +29d 38' 31.2" }
        +/- 2.69397087871 [arcmin] (estimated 90% radius based on SNR)
    SNR: 7.38462085206
 
 
  Angular difference between the analysis and refined position is 0.000000 arcmin
 
  Partial Coding Fraction: 0.2539062    [ including projection effects ]

  Duration
     T90: 49.6000000238419 +/- 1.6
        Measured from: 1.6
                   to: 51.2     [s; relative to TRIGTIME]
     T50: 27.1999999880791 +/- 1.6
        Measured from: 12.8
                   to: 40     [s; relative to TRIGTIME]
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100   52.800    0.000   52.800
T90    49.600    1.600   51.200
T50    27.200   12.800   40.000
Peak    1.000    0.300    1.300
 
 
====== 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      -0.826    -0.347      0.386       -           -               -         3.88e-03     -8.43e-04          8.14e-04      41.610   57
CPL     -0.513    -0.960      1.769      296.698    -296.698      -296.698      5.20e-03     -2.06e-03          1.74e-02      41.440   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      -0.827     -0.502     0.589       -           -               -         7.12e-03     -2.50e-03          2.38e-03      50.160   57
CPL      0.099     -0.099     3.380      141.472    -141.472      -141.472      1.70e-02     -1.70e-02          2.69e-01      49.570   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   2.18e-08  6.09e-08  1.37e-07  8.27e-07  3.70e-07  1.05e-06   erg/cm2
      90%_error_low -9.17e-09 -1.70e-08 -2.73e-08 -3.29e-07 -7.37e-08 -3.43e-07   erg/cm2
      90%_error_hi   1.10e-08  1.66e-08  2.70e-08  4.81e-07  7.40e-08  4.78e-07   erg/cm2
Peak flux       PL   1.54e-01  2.33e-01  2.62e-01  5.62e-01  8.18e-01  1.21e+00   ph/cm2/s
      90%_error_low -9.23e-02 -1.03e-01 -8.12e-02 -2.89e-01 -2.70e-01 -3.86e-01   ph/cm2/s
      90%_error_hi   1.22e-01  1.02e-01  8.09e-02  4.46e-01  2.75e-01  4.19e-01   ph/cm2/s
 
Fluence        CPL   1.98e-08  6.14e-08  1.42e-07  5.73e-07  3.67e-07  7.97e-07   erg/cm2
      90%_error_low -1.17e-08 -1.79e-08 -3.13e-08 -4.25e-07 -7.70e-08 -4.29e-07   erg/cm2
      90%_error_hi   1.26e-08  1.77e-08  3.54e-08  3.54e-07  7.48e-08  3.70e-07   erg/cm2
Peak flux      CPL   1.15e-01  2.37e-01  2.96e-01  2.83e-01  7.97e-01  9.32e-01   ph/cm2/s
      90%_error_low -1.15e-01 -1.22e-01 -1.04e-01 -2.83e-01 -2.70e-01 -3.70e-01   ph/cm2/s
      90%_error_hi   1.46e-01  1.17e-01  1.14e-01  4.15e-01  2.78e-01  5.04e-01   ph/cm2/s
 
======================================================================
  • Special notes of this burst