batgrbproduct Analysis for Trigger=565651

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Aug  8 04:30:05 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger565651/GCN5_download_cron
======================================================================

  Trigger: 00565651      Segment: 000

  BAT Trigger Time: 397563954.176   [s; MET]
      Trigger Stop: 397563955.2   [s; MET]
               UTC: 2013-08-07T10:25:43.293700    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 269.801145760052   Dec: -27.6125375193907  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.29
     Image Trigger?:     NO
     Rate S/N Ratio:     12.9614813968157  [ if not an image trigger ]
     Image S/N Ratio:    9.29

  Flight Position:   [ source = BAT ]
    RA: 269.801145760052   Dec: -27.6125375193907  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 269.801498880522   Dec: -27.6157596886094  [deg; J2000]  
        { 17h 59m 12.4s , -27d 36' 56.7" }
         +/- 1.74421850208952 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.698156688322673 [arcmin] (formal 1-sigma fit error)
    SNR: 13.7396051718887
 
  Angular difference between Flight and Ground position is 0.194240 arcmin
 
  Partial Coding Fraction: 0.9296875    [ including projection effects ]

  Duration
     T90: 96 +/- 97.3242004847715
        Measured from: -12.175999879837
                   to: 83.824000120163     [s; relative to TRIGTIME]
     T50: 16 +/- 176
        Measured from: -12.175999879837
                   to: 3.82400012016296     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -4.67599999904633     
                   to: -3.67599999904633     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -12.1759999990463     
                   to: 163.824000000954     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.505234   0.746991   0.659960   0.076095
           0.079824   0.071280   0.059025   0.049614 [error]
 Peak      0.011222   0.019524   0.015699   0.004603
           0.006050   0.005522   0.004822   0.004062 [error]

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

======================================================================
 
=== 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   Power-law 1.68e-07 3.17e-07 4.62e-07 1.44e-06 1.31e-06 2.38e-06   erg/cm2
              Error 2.97e-08 3.41e-08 5.66e-08 3.82e-07 1.40e-07 4.21e-07   erg/cm2
Peak flux Power-law 9.26e-02 1.23e-01 1.20e-01 2.11e-01 4.05e-01 5.47e-01   ph/cm2/s
              Error 5.90e-02 4.85e-02 3.75e-02 1.48e-01 1.28e-01 1.71e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.33e-07 3.47e-07 4.94e-07 3.91e-07 1.21e-06 1.37e-06   erg/cm2
              Error 3.70e-08 4.18e-08 6.62e-08 1.54e-07 3.83e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 7.58e-02 1.29e-01 1.30e-01 9.93e-02 3.91e-01 4.34e-01   ph/cm2/s
              Error 7.64e-02 5.56e-02 4.61e-02 1.36e-01 1.32e-01 1.89e-01   ph/cm2/s
 
Fluence        Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 8.29e-01 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.456    0.170    -      -           7.79e-04 7.70e-05   63.400 57
CPL   0.305    0.888      75.9   35.2      2.81e-03 3.41e-03   56.960 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.032    0.544    -      -           3.51e-03 1.08e-03   55.810 57
CPL   0.223    6.143     121.5    0.0      8.24e-03 1.23e-01   55.410 56
 
Model      : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index   : photon index: E^-{Ph_index} (minus sign is not included in the 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 PL model and at 1 keV in CPL model
Nomr_90err : 90% error of the normalization
chi2       : Chi-Squared
dof        : degree of freedom
 
=== T90/T50 calculation in the 50-300 keV band (BATSE band) using 64 ms lc ===
 
T90 in the 50-300 keV band: 8.192000 sec.
T50 in the 50-300 keV band: 4.672000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  176.000  -12.176  163.824
T90    96.000  -12.176   83.824
T50    16.000  -12.176    3.824
Peak    1.000   -4.676   -3.676

Image

Pre-slew 15-350 keV image (Event data; bkg subtracted)

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  269.8015 -27.6158 0.0141   24.8 -167.9       0.9921    13.7  TRIG_00565651       
------------------------------------------
 
Foreground time interval of the image:
-12.176  17.325 (delta_t =  29.501 [sec])
Background time interval of the image:
-60.176 -12.176 (delta_t =  48.000 [sec])

Lightcurves

Notes:

1 s binning

From T0-310 s to T0+310 s
From T100_start - 20 s to T100_end + 30 s
Full time interval

64 ms binning

Full time interval
From T100_start to T100_end
From T0-5 sec to T0+5 sec

16 ms binning

From T100_start-5 s to T100_start+5 s

8 ms binning

From T100_start-3 s to T100_start+3 s

2 ms binning

From T100_start-1 s to T100_start+1 s

SN=5 or 10 sec. binning (whichever binning is satisfied first)

SN=5 or 10 sec. binning (T < 200 sec)

Spectra

Notes:

Time averaged spectrum fit using the pre-slew DRM

Power-law model
Time interval is from  -12.176 sec. to  163.824 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.45559     ( -0.169766   0.169382 )
Norm@50keV  : 7.78724E-04    ( -7.7027e-05   7.69483e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.40 using 59 PHA bins.
# Reduced chi-squared =          1.112 for     57 degrees of freedom 
# Null hypothesis probability =   2.610700e-01
 
Photon flux (15-150 keV)    in 176 sec: 9.61002E-02 ( -0.0098851  0.00992727 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.3102e-06 ( -1.39248e-07  1.40302e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -12.176 sec. to  163.824 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.305001     ( -0.975343   0.800185 )
Epeak [keV] : 75.8701      ( -14.7564 55.6413 )
Norm@50keV  : 2.81167E-03    ( -0.00163534   0.00517566 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.96 using 59 PHA bins.
# Reduced chi-squared =          1.017 for     56 degrees of freedom 
# Null hypothesis probability =   4.390848e-01
 
Photon flux (15-150 keV)    in 176 sec: 9.03222E-02 ( -0.0106632  0.0106788 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.20907e-06 ( -1.52571e-07  1.56061e-07 ) ergs/cm2
 
Band function
Time interval is from  -12.176 sec. to  163.824 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.304947   ( -0.398399   0.743214 )
beta        : -10.00000    ( 10   1.79279e-10 )
Epeak [keV] : 75.8550      ( -12.6617 55.6184 )
Norm@50keV   : 2.81207E-03    ( -0.000273152   0.0051648 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.96 using 59 PHA bins.
# Reduced chi-squared =          1.036 for     55 degrees of freedom 
# Null hypothesis probability =   4.019607e-01
 
Photon flux (15-150 keV)    in 176 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 16.0330  (-1.67639  1.921)
R^2/D10^2   : 8.86868E-03  (-0.00293591   0.00426186)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.40 using 59 PHA bins.
# Reduced chi-squared =          1.130 for     57 degrees of freedom 
# Null hypothesis probability =   2.335331e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.292e-08   1.588e-08
25- 50  3.496e-07   4.682e-08
50-150  6.285e-07   1.196e-07
15-150  1.061e-06   1.320e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 0.398313       (-0.0389968     0.0389938)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.35 using 59 PHA bins.
# Reduced chi-squared =          1.076 for     57 degrees of freedom 
# Null hypothesis probability =   3.228458e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.746e-07   5.498e-08
25- 50  3.358e-07   1.744e-07
50-150  7.366e-07   3.939e-07
15-150  1.247e-06   4.845e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.56236        (-2.45886      4.39794)
R1^2/D10^2  : 0.137194        (-0.115377      1.58749)
kT2 [keV]   : 19.1786        (-2.98031      6.7085)
R2^2/D10^2  : 4.21645E-03    (-0.00307384   0.00389902)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.07 using 59 PHA bins.
# Reduced chi-squared =          1.019 for     55 degrees of freedom 
# Null hypothesis probability =   4.346836e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.418e-07   7.025e-08
25- 50  3.332e-07   1.404e-07
50-150  7.060e-07   2.885e-07
15-150  1.181e-06   4.044e-07

Peak spectrum fit

Power-law model
Time interval is from   -4.676 sec. to   -3.676 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.03155     ( -0.57761   0.50948 )
Norm@50keV  : 3.51441E-03    ( -0.00109458   0.00106881 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.81 using 59 PHA bins.
# Reduced chi-squared =         0.9792 for     57 degrees of freedom 
# Null hypothesis probability =   5.196725e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.405414 ( -0.127011  0.129492 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.7586e-08 ( -1.1566e-08  1.17248e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -4.676 sec. to   -3.676 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.222590     ( -3.40776   8.87821 )
Epeak [keV] : 121.549      ( -121.547 -121.547 )
Norm@50keV  : 8.24260E-03    ( -0.00824332   0.236759 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.41 using 59 PHA bins.
# Reduced chi-squared =         0.9895 for     56 degrees of freedom 
# Null hypothesis probability =   4.971365e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.390836 ( -0.12945  0.134872 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.56966e-08 ( -1.29791e-08  1.27484e-08 ) ergs/cm2
 
Band function
Time interval is from   -4.676 sec. to   -3.676 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.58156   ( -4.58156   -4.58156 )
beta        : -1.35794    ( -0.950013   0.736666 )
Epeak [keV] : 40.3042      ( -40.3042 43.0056 )
Norm@50keV   : 10.0547    ( -2.90933   1.1488e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.63 using 59 PHA bins.
# Reduced chi-squared =         0.9932 for     55 degrees of freedom 
# Null hypothesis probability =   4.888254e-01
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 20.4839  (-6.46477  12.192)
R^2/D10^2   : 1.80543E-02  (-0.0180421   0.045737)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.37 using 59 PHA bins.
# Reduced chi-squared =         0.9889 for     57 degrees of freedom 
# Null hypothesis probability =   4.988489e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.446e-09   9.260e-10
25- 50  7.318e-09   4.435e-09
50-150  2.283e-08   1.465e-08
15-150  3.159e-08   1.981e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-81.3192      -199.363)
Norm        : 1.72735       (-0.532185     0.532216)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.40 using 59 PHA bins.
# Reduced chi-squared =          1.024 for     57 degrees of freedom 
# Null hypothesis probability =   4.238657e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.301e-09   2.641e-09
25- 50  8.274e-09   5.155e-09
50-150  1.815e-08   1.110e-08
15-150  3.072e-08   1.873e-08
Double BB
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.37 using 59 PHA bins.
#Fit statistic : Chi-Squared =          55.12 using 59 PHA bins.
#Fit statistic : Chi-Squared =          54.98 using 59 PHA bins.
#Fit statistic : Chi-Squared =          54.93 using 59 PHA bins.
# Reduced chi-squared =          1.025 for     55 degrees of freedom 
# Reduced chi-squared =          1.002 for     55 degrees of freedom 
# Reduced chi-squared =         0.9996 for     55 degrees of freedom 
# Reduced chi-squared =         0.9987 for     55 degrees of freedom 
# Null hypothesis probability =   4.236334e-01
# Null hypothesis probability =   4.702133e-01
# Null hypothesis probability =   4.755692e-01
# Null hypothesis probability =   4.772778e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Plot creation:
Thu Aug  8 04:39:45 EDT 2013