Analysis Summary

Notes:

• 1) No attempt has been made to eliminate the non-significant decimal places.
• 2) This batgrbproduct analysis is done using the HEASARC data.
• 3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Thu Dec 17 16:58:28 EST 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger515277
======================================================================

  Trigger: 00515277      Segment: 000

  BAT Trigger Time: 351218970.048   [s; MET]
      Trigger Stop: 351218978.24   [s; MET]
               UTC: 2012-02-18T00:49:22.145800    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 319.757959799859   Dec: -25.4504975119872  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.67
     Image Trigger?:     NO
     Rate S/N Ratio:     27.0370116691915  [ if not an image trigger ]
     Image S/N Ratio:    9.67

  Analysis Position:   [ source = BAT ]
    RA: 319.757959799859   Dec: -25.4504975119872  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 319.766883892088   Dec: -25.4625644609474  [deg; J2000]  
        { 21h 19m 04.1s , -25d 27' 45.2" }
         +/- 1.51578464101334 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.614677434546317 [arcmin] (formal 1-sigma fit error)
    SNR: 16.7905454804452
 
  Angular difference between the analysis and refined position is 0.870594 arcmin
 
  Partial Coding Fraction: 0.04638672    [ including projection effects ]

  Duration
     T90: 31.3759999871254 +/- 2.29722614249124
        Measured from: -24.3279999494553
                   to: 7.04800003767014     [s; relative to TRIGTIME]
     T50: 18.6240000724792 +/- 3.45523143398606
        Measured from: -15.5920000076294
                   to: 3.03200006484985     [s; relative to TRIGTIME]


======================================================================
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100   35.008  -26.696    8.312
T90    31.376  -24.328    7.048
T50    18.624  -15.592    3.032
Peak    1.000    2.332    3.332
 
 
====== 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: N/A)
 
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      N/A        N/A       N/A          -           -               -           N/A           N/A               N/A         N/A        N/A   
CPL     N/A        N/A        N/A          N/A         N/A           N/A           N/A           N/A               N/A         N/A        N/A   
 
 
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: N/A)
 
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      N/A         N/A       N/A          -           -               -           N/A           N/A               N/A         N/A        N/A   
CPL     N/A         N/A       N/A          N/A         N/A           N/A           N/A           N/A               N/A         N/A        N/A   
 
 
=== 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    N/A      N/A      N/A      N/A      N/A      N/A      erg/cm2