Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time: Mon Jun  8 19:02:52 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger601646
======================================================================

  Trigger: 00601646      Segment: 000

  BAT Trigger Time: 424400712   [s; MET]
      Trigger Stop: 424400776   [s; MET]
               UTC: 2014-06-14T01:04:59.863980    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 231.231943297946   Dec: -79.0949444262299  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.09
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.09

  Analysis Position:   [ source = BAT ]
    RA: 231.231943297946   Dec: -79.0949444262299  [deg; J2000]

  Refined Position:   [ source = BAT pre-slew burst ]
    RA: 231.202561740872   Dec: -79.115805193322  [deg; J2000]  
        { 15h 24m 48.6s , -79d 06' 56.9" }
         +/- 2.36554660928276 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.02379070569814 [arcmin] (formal 1-sigma fit error)
    SNR: 8.89058849547418
 
  Angular difference between the analysis and refined position is 1.295236 arcmin
 
  Partial Coding Fraction: 0.9765625    [ including projection effects ]

  Duration
     T90: 77.3919999599457 +/- 15.8909127857189
        Measured from: 10.4160000085831
                   to: 87.8079999685287     [s; relative to TRIGTIME]
     T50: 37.2399999499321 +/- 10.0319738298158
        Measured from: 36.6560000181198
                   to: 73.8959999680519     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 53.1200000047684     
                   to: 54.1200000047684     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -4.46399998664856     
                   to: 92.3560000061989     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.486922   0.639116   0.481830   0.167918
           0.055349   0.057172   0.050689   0.045662 [error]
 Peak      0.018920   0.004930   0.020576   0.014926
           0.005632   0.005769   0.005314   0.004542 [error]

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

======================================================================
 
 
====== Table of the duration information =============================
 
        Value   tstart    tstop
T100   96.820   -4.464   92.356
T90    77.392   10.416   87.808
T50    37.240   36.656   73.896
Peak    1.000   53.120   54.120
 
 
====== 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      -1.497    -0.180      0.178       -           -               -         1.13e-03     -1.14e-04          1.13e-04      55.360   57
CPL     -1.424    -0.934      0.618      389.691    -389.691      -389.691      1.23e-03     -7.75e-04          1.25e-03      55.410   56
 
 
=== 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      -0.775     -0.944     1.359       -           -               -         2.82e-03     -1.62e-03          1.12e-03      62.500   57
CPL     -0.873      0.873     0.993     9999.360      N/A           N/A         2.90e-03        N/A               N/A         62.550   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   1.39e-07  2.55e-07  3.62e-07  1.08e-06  1.03e-06  1.84e-06   erg/cm2
      90%_error_low -2.23e-08 -2.52e-08 -4.96e-08 -2.88e-07 -1.17e-07 -3.32e-07   erg/cm2
      90%_error_hi   2.33e-08  2.51e-08  4.94e-08  3.54e-07  1.19e-07  3.88e-07   erg/cm2
Peak flux       PL   5.79e-02  9.02e-02  1.06e-01  2.40e-01  3.24e-01  4.93e-01   ph/cm2/s
      90%_error_low -5.07e-02 -9.02e-02 -4.49e-02 -1.80e-01 -3.24e-01 -2.01e-01   ph/cm2/s
      90%_error_hi   8.26e-02  5.41e-02  3.92e-02  5.44e-01  1.31e-01  1.16e+00   ph/cm2/s
 
Fluence        CPL   1.39e-07  2.55e-07  3.62e-07  1.08e-06  1.04e-06  1.70e-06   erg/cm2
      90%_error_low -2.65e-08 -2.46e-08 -4.09e-08 -7.03e-07 -1.34e-07 -5.79e-07   erg/cm2
      90%_error_hi   1.77e-08  3.08e-08  5.19e-08  1.96e-07  9.24e-08  2.33e-07   erg/cm2
Peak flux      CPL   5.83e-02  3.82e-02  1.71e-02  1.25e-02  1.19e-01  1.26e-01   ph/cm2/s
      90%_error_low -5.83e-02 -3.82e-02 -1.71e-02 -1.25e-02     N/A       N/A     ph/cm2/s
      90%_error_hi   8.76e-02  5.97e-02  3.09e-02  3.26e-02     N/A       N/A     ph/cm2/s
 
======================================================================
  • Special notes of this burst