Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Mon Jan 13 18:37:06 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger507185
======================================================================

  Trigger: 00507185      Segment: 000

  BAT Trigger Time: 342319831.552   [s; MET]
      Trigger Stop: 342319832.576   [s; MET]
               UTC: 2011-11-07T00:50:24.005480    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 129.483957089502   Dec: -66.5062128673647  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.26
     Image Trigger?:     NO
     Rate S/N Ratio:     13.856406460551  [ if not an image trigger ]
     Image S/N Ratio:    8.26

  Analysis Position:   [ source = BAT ]
    RA: 129.483957089502   Dec: -66.5062128673647  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 129.485162907022   Dec: -66.5197154018901  [deg; J2000]  
        { 08h 37m 56.4s , -66d 31' 11.0" }
         +/- 1.15762095738858 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.365520213246293 [arcmin] (formal 1-sigma fit error)
    SNR: 24.6779605066306
 
  Angular difference between the analysis and refined position is 0.810665 arcmin
 
  Partial Coding Fraction: 0.71875    [ including projection effects ]

  Duration
     T90: 31.0720000267029 +/- 7.15255476285363
        Measured from: 0.76800000667572
                   to: 31.8400000333786     [s; relative to TRIGTIME]
     T50: 11.0880000591278 +/- 2.66984338721389
        Measured from: 3.15200001001358
                   to: 14.2400000691414     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.13200002908707     
                   to: 3.13200002908707     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.0960000157356262     
                   to: 37.4560000300407     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.424469   0.549489   0.400311   0.112398
           0.037682   0.038448   0.033017   0.028420 [error]
 Peak      0.036081   0.052270   0.055092   0.011930
           0.006782   0.007235   0.006573   0.005240 [error]

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

======================================================================
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100   37.552   -0.096   37.456
T90    31.072    0.768   31.840
T50    11.088    3.152   14.240
Peak    1.000    2.132    3.132
 
 
====== 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      -1.483    -0.145      0.144       -           -               -         2.55e-03     -2.00e-04          1.99e-04      60.320   57
CPL     -1.480    -0.147      0.333     9999.360    -9999.360      -9999.360      2.56e-03     -2.01e-03          -1.14e-03      60.340   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      -1.104     -0.234     0.239       -           -               -         1.07e-02     -1.39e-03          1.38e-03      53.890   57
CPL     -0.980     -0.341     0.835      473.544    -473.544      -473.544      1.21e-02     -1.21e-02          -8.49e-03      53.920   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   1.21e-07  2.24e-07  3.20e-07  9.68e-07  9.12e-07  1.63e-06   erg/cm2
      90%_error_low -1.65e-08 -1.83e-08 -3.33e-08 -2.06e-07 -7.88e-08 -2.32e-07   erg/cm2
      90%_error_hi   1.72e-08  1.82e-08  3.31e-08  2.42e-07  7.96e-08  2.61e-07   erg/cm2
Peak flux       PL   3.01e-01  3.84e-01  3.57e-01  5.84e-01  1.24e+00  1.63e+00   ph/cm2/s
      90%_error_low -7.68e-02 -6.20e-02 -5.26e-02 -1.69e-01 -1.65e-01 -2.25e-01   ph/cm2/s
      90%_error_hi   8.39e-02  6.06e-02  5.18e-02  2.09e-01  1.66e-01  2.32e-01   ph/cm2/s
 
Fluence        CPL   1.22e-07  2.22e-07  3.18e-07  1.03e-06  9.18e-07  1.58e-06   erg/cm2
      90%_error_low    N/A    -2.16e-08    N/A    -4.60e-07 -1.05e-07 -3.66e-07   erg/cm2
      90%_error_hi     N/A     1.26e-08    N/A     5.20e-08  9.54e-08  3.01e-07   erg/cm2
Peak flux      CPL   3.02e-01  3.84e-01  3.58e-01  5.50e-01  1.24e+00  1.62e+00   ph/cm2/s
      90%_error_low -1.02e-01 -6.05e-02 -5.24e-02 -3.06e-01 -1.74e-01 -3.97e-01   ph/cm2/s
      90%_error_hi   5.89e-02  6.52e-02  6.47e-02  2.34e-01  1.65e-01  2.20e-01   ph/cm2/s
 
======================================================================
  • Special notes of this burst