batgrbproduct Analysis for Trigger=709351

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Aug 22 16:40:24 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger709351/GCN5_download_cron
======================================================================

  Trigger: 00709351      Segment: 000

  BAT Trigger Time: 493504486.912   [s; MET]
      Trigger Stop: 493504487.936   [s; MET]
               UTC: 2016-08-21T20:34:30.167540    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 171.247515998307   Dec: 42.3431631317135  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    12.57
     Image Trigger?:     NO
     Rate S/N Ratio:     22.494443758404  [ if not an image trigger ]
     Image S/N Ratio:    12.57

  Flight Position:   [ source = BAT ]
    RA: 171.247515998307   Dec: 42.3431631317135  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 171.253611846492   Dec: 42.3452849959968  [deg; J2000]  
        { 11h 25m 00.9s , +42d 20' 43.0" }
         +/- 0.761303753156411 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.187511467031931 [arcmin] (formal 1-sigma fit error)
    SNR: 44.9077481929248
 
  Angular difference between Flight and Ground position is 0.298809 arcmin
 
  Partial Coding Fraction: 0.796875    [ including projection effects ]

  Duration
     T90: 112.595999896526 +/- 1.11211511284729
        Measured from: 1.60000014305115
                   to: 114.196000039577     [s; relative to TRIGTIME]
     T50: 67.8879999518394 +/- 2.0553501052829
        Measured from: 20.2000001072884
                   to: 88.0880000591278     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 113.508000016212     
                   to: 114.508000016212     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -2.61199998855591     
                   to: 115.167999982834     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.306448   4.423771   3.197163   0.758538
           0.096662   0.104449   0.092985   0.077339 [error]
 Peak      0.191225   0.232286   0.165180   0.085593
           0.030445   0.036826   0.033430   0.025327 [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 9.85e-07 1.79e-06 2.50e-06 7.30e-06 7.17e-06 1.26e-05   erg/cm2
              Error 5.80e-08 5.98e-08 9.68e-08 6.50e-07 2.31e-07 7.04e-07   erg/cm2
Peak flux Power-law 1.88e+00 7.07e-01 1.53e-01 3.98e-02 2.77e+00 2.78e+00   ph/cm2/s
              Error 4.45e-01 1.86e-01 6.54e-02 2.66e-02 6.31e-01 6.36e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.84e-07 1.79e-06 2.50e-06 6.74e-06 7.17e-06 1.20e-05   erg/cm2
              Error 6.17e-08 6.23e-08 1.00e-07 1.23e-06 2.27e-07 1.20e-06   erg/cm2
Peak flux Cutoff-PL 1.36e+00 1.93e+00 4.52e-01 6.75e-03 3.75e+00 3.75e+00   ph/cm2/s
              Error 5.34e-01 4.13e-01 2.02e-01 8.89e-03 7.01e-01 7.01e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 1.44e+00 1.86e+00 4.90e-01 9.53e-03 3.77e+00 3.76e+00   ph/cm2/s
              Error 4.18e-01 4.03e-01 1.71e-01 -------- 7.26e-01 7.30e-01   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.518    0.058    -      -           6.44e-03 1.92e-04   59.840 57
CPL   1.515    0.142    9992.0    0.0      6.46e-03 9.66e-04   59.840 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    3.196    0.360    -      -           8.69e-03 3.09e-03   96.450 57
CPL  -2.015    1.838      37.1    4.9      7.70e+00 5.06e+01   67.550 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: 102.272000 sec.
T50 in the 50-300 keV band: 63.936000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  117.780   -2.612  115.168
T90   112.596    1.600  114.196
T50    67.888   20.200   88.088
Peak    1.000  113.508  114.508

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  171.2536 +42.3453 0.0043   18.7  -67.5       6.7648    44.9  TRIG_00709351       
------------------------------------------
 
Foreground time interval of the image:
 -2.612  72.789 (delta_t =  75.401 [sec])
Background time interval of the image:
-239.912  -2.612 (delta_t = 237.300 [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   -2.612 sec. to  115.168 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.51794     ( -0.0581537   0.0582731 )
Norm@50keV  : 6.43751E-03    ( -0.000192272   0.000192124 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.84 using 59 PHA bins.
# Reduced chi-squared =          1.050 for     57 degrees of freedom 
# Null hypothesis probability =   3.730713e-01
 
Photon flux (15-150 keV)    in 117.8 sec: 0.807592 ( -0.0259282  0.0260342 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.17337e-06 ( -2.30904e-07  2.3182e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -2.612 sec. to  115.168 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.51536     ( -0.224934   0.0586237 )
Epeak [keV] : 9992.04      ( -9992.51 -9992.51 )
Norm@50keV  : 6.45591E-03    ( -0.000193058   0.00173875 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.84 using 59 PHA bins.
# Reduced chi-squared =          1.069 for     56 degrees of freedom 
# Null hypothesis probability =   3.381923e-01
 
Photon flux (15-150 keV)    in 117.8 sec: 0.807277 ( -0.025028  0.025668 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.17256e-06 ( -2.23325e-07  2.30676e-07 ) ergs/cm2
 
Band function
Time interval is from   -2.612 sec. to  115.168 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.801611   ( 0.950895   0.950895 )
beta        : -1.54164    ( 1.54081   0.0707096 )
Epeak [keV] : 49.3855      ( -49.4739 -49.4739 )
Norm@50keV   : 1.95684E-02    ( -0.0198544   733483 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.92 using 59 PHA bins.
# Reduced chi-squared =          1.071 for     55 degrees of freedom 
# Null hypothesis probability =   3.341457e-01
 
Photon flux (15-150 keV)    in 117.8 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]    : 15.8071  (  )
R^2/D10^2   : 7.24753E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         315.93 using 59 PHA bins.
# Reduced chi-squared =         5.5426 for     57 degrees of freedom 
# Null hypothesis probability =   1.516555e-37
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.422e-07   2.715e-08
25- 50  1.842e-06   7.598e-08
50-150  3.201e-06   1.897e-07
15-150  5.485e-06   2.026e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-13.702      -200)
Norm        : 3.28497       (-0.0974647     0.0974647)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.50 using 59 PHA bins.
# Reduced chi-squared =          1.184 for     57 degrees of freedom 
# Null hypothesis probability =   1.610090e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.637e-07   3.175e-08
25- 50  1.854e-06   6.008e-08
50-150  4.066e-06   1.266e-07
15-150  6.883e-06   2.332e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.49838        (-0.811662      0.891912)
R1^2/D10^2  : 0.671104        (-0.206389      0.327289)
kT2 [keV]   : 29.7922        (-3.59673      5.234)
R2^2/D10^2  : 6.50809E-03    (-0.00270163   0.00369544)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          68.54 using 59 PHA bins.
# Reduced chi-squared =          1.246 for     55 degrees of freedom 
# Null hypothesis probability =   1.038070e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.696e-07   8.670e-08
25- 50  1.847e-06   1.278e-07
50-150  4.385e-06   4.547e-07
15-150  7.102e-06   5.054e-07

Peak spectrum fit

Power-law model
Time interval is from  113.508 sec. to  114.508 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.19619     ( -0.315763   0.404533 )
Norm@50keV  : 8.68983E-03    ( -0.00317912   0.0029992 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          96.45 using 59 PHA bins.
# Reduced chi-squared =          1.692 for     57 degrees of freedom 
# Null hypothesis probability =   8.533841e-04
 
Photon flux (15-150 keV)    in 1 sec: 2.76584 ( -0.630357  0.632631 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.14909e-07 ( -2.7991e-08  2.86871e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  113.508 sec. to  114.508 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -2.01538     ( -2.0421   1.63412 )
Epeak [keV] : 37.1184      ( -5.42959 4.44683 )
Norm@50keV  : 7.69989    ( -8.14568   93.1216 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.55 using 59 PHA bins.
# Reduced chi-squared =          1.206 for     56 degrees of freedom 
# Null hypothesis probability =   1.386965e-01
 
Photon flux (15-150 keV)    in 1 sec: 3.75357 ( -0.70113  0.7 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.979e-07 ( -3.9494e-08  3.9739e-08 ) ergs/cm2
 
Band function
Time interval is from  113.508 sec. to  114.508 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.95411   ( -1.22628   2.01079 )
beta        : -10.0000    ( 10   10 )
Epeak [keV] : 36.9032      ( -6.25458 4.21851 )
Norm@50keV   : 7.23423    ( -7.22873   86.571 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.58 using 59 PHA bins.
# Reduced chi-squared =          1.229 for     55 degrees of freedom 
# Null hypothesis probability =   1.188331e-01
 
Photon flux (15-150 keV)    in 1 sec: 3.77102 ( 3.22898  -0.74544 ) 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]    : 9.42210  (-1.25815  1.06429)
R^2/D10^2   : 2.61246  (-0.959649   1.84472)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.27 using 59 PHA bins.
# Reduced chi-squared =          1.180 for     57 degrees of freedom 
# Null hypothesis probability =   1.658027e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.615e-08   1.263e-08
25- 50  1.052e-07   2.780e-08
50-150  4.611e-08   2.139e-08
15-150  1.975e-07   4.940e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 26.4430       (-6.3957      5.20774)
Norm        : 31.8313       (-9.24451     10.394)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          80.31 using 59 PHA bins.
# Reduced chi-squared =          1.409 for     57 degrees of freedom 
# Null hypothesis probability =   2.264915e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.038e-08   1.422e-08
25- 50  6.411e-08   1.601e-08
50-150  2.956e-08   1.426e-08
15-150  1.541e-07   4.015e-08
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 1.06450        (-1.39098      8.62557)
R1^2/D10^2  : 5.49522E+05        (-616369      2.32719e+11)
kT2 [keV]   : 9.57584        (-1.25574      1.07825)
R2^2/D10^2  : 2.37985    (-0.925216   1.4185)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          66.09 using 59 PHA bins.
#Fit statistic : Chi-Squared =          65.97 using 59 PHA bins.
# Reduced chi-squared =          1.202 for     55 degrees of freedom 
# Reduced chi-squared =          1.200 for     55 degrees of freedom 
# Null hypothesis probability =   1.454499e-01
# Null hypothesis probability =   1.476632e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.828e-08   1.640e-08
25- 50  1.016e-07   3.289e-08
50-150  4.718e-08   2.335e-08
15-150  1.970e-07   5.970e-08
Plot creation:
Mon Aug 22 16:44:43 EDT 2016