batgrbproduct Analysis for Trigger=722681

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Nov 18 17:23:21 EST 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger722681/GCN5_download_cron
======================================================================

  Trigger: 00722681      Segment: 000

  BAT Trigger Time: 501088456   [s; MET]
      Trigger Stop: 501088520   [s; MET]
               UTC: 2016-11-17T15:13:58.826660    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 140.040455710658   Dec: -51.1443218374962  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.05
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.05

  Flight Position:   [ source = BAT ]
    RA: 140.040455710658   Dec: -51.1443218374962  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 139.992350207547   Dec: -51.1433483260168  [deg; J2000]  
        { 09h 19m 58.2s , -51d 08' 36.1" }
         +/- 3.80187382694073 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.39615589599296 [arcmin] (formal 1-sigma fit error)
    SNR: 4.51388237062608
 
  Angular difference between Flight and Ground position is 1.811731 arcmin
 
  Partial Coding Fraction: 0.2929688    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.402132   0.313866  -0.029028   0.054254
           0.092388   0.094686   0.081735   0.070337 [error]
 Peak      0.402132   0.313866  -0.029028   0.054254
           0.092388   0.094686   0.081735   0.070337 [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 1.46e-07 1.34e-07 8.52e-08 8.29e-08 4.00e-07 4.48e-07   erg/cm2
              Error 5.42e-08 5.19e-08 6.20e-08 1.30e-07 1.60e-07 2.27e-07   erg/cm2
Peak flux Power-law 7.55e-02 3.87e-02 1.23e-02 5.00e-03 1.29e-01 1.32e-01   ph/cm2/s
              Error 2.85e-02 1.45e-02 8.67e-03 7.26e-03 4.20e-02 4.30e-02   ph/cm2/s
 
Fluence   Cutoff-PL 1.63e-07 1.37e-07 4.17e-09 2.45e-13 3.05e-07 3.05e-07   erg/cm2
              Error 7.14e-08 1.12e-07 4.17e-08 1.04e-08 1.23e-07 1.23e-07   erg/cm2
Peak flux Cutoff-PL 8.15e-02 4.26e-02 7.26e-04 2.18e-08 1.25e-01 1.25e-01   ph/cm2/s
              Error 3.62e-02 3.30e-02 6.25e-03 7.92e-04 4.04e-02 4.04e-02   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band -------- -------- -------- -------- -------- --------   ph/cm2/s
              Error -------- -------- -------- -------- -------- --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.656    0.699    -      -           5.96e-04 3.26e-04   64.390 57
CPL  -8.806    0.000      22.3    0.0      4.92e+05 0.00e+00   61.000 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.656    0.699    -      -           5.96e-04 3.26e-04   64.390 57
CPL  -8.806    0.000      22.3    0.0      4.92e+05 0.00e+00   61.000 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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  139.9924 -51.1433 0.0427   47.9  -22.9       0.8673     4.5  TRIG_00722681       
------------------------------------------
 
Foreground time interval of the image:
  0.000  64.000 (delta_t =  64.000 [sec])
Background time interval of the image:

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    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.65593     ( -0.623368   0.774255 )
Norm@50keV  : 5.96353E-04    ( -0.00031325   0.000339565 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.39 using 59 PHA bins.
# Reduced chi-squared =          1.130 for     57 degrees of freedom 
# Null hypothesis probability =   2.339156e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.129297 ( -0.0419678  0.0420449 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.00061e-07 ( -1.51391e-07  1.68838e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -8.80621     (     )
Epeak [keV] : 22.2829      (   )
Norm@50keV  : 4.92373E+05    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.00 using 59 PHA bins.
# Reduced chi-squared =          1.089 for     56 degrees of freedom 
# Null hypothesis probability =   3.009486e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.124887 ( -0.0407945  0.040034 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.04894e-07 ( -1.13108e-07  1.32143e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -6.57696   -5 )
beta        : -3.82457    ( 3.8247   1.32662 )
Epeak [keV] : 21.7829      ( -5.12501 5.44822 )
Norm@50keV   : 529.210    ( -158.317   2994.27 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.99 using 59 PHA bins.
# Reduced chi-squared =          1.091 for     55 degrees of freedom 
# Null hypothesis probability =   2.996017e-01
 
Photon flux (15-150 keV)    in 64 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]    : 5.85593  (-1.48705  2.04248)
R^2/D10^2   : 0.563976  (-0.563976   1.56316)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.11 using 59 PHA bins.
# Reduced chi-squared =          1.072 for     57 degrees of freedom 
# Null hypothesis probability =   3.306144e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.587e-07   9.776e-08
25- 50  1.500e-07   9.568e-08
50-150  1.242e-08   1.084e-08
15-150  3.211e-07   1.956e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 21.7349       (-9.82514      23.8037)
Norm        : 1.45970       (-0.766128     1.68552)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.71 using 59 PHA bins.
# Reduced chi-squared =          1.100 for     57 degrees of freedom 
# Null hypothesis probability =   2.810358e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.550e-07   8.881e-08
25- 50  1.444e-07   8.942e-08
50-150  4.956e-08   4.506e-08
15-150  3.489e-07   2.195e-07
Double BB
R1^2/D10^2  : 7.32791E-06        (-7.35321e-06      -7.35321e-06)
kT2 [keV]   : 5.66971        (-1.41961      1.94616)
R2^2/D10^2  : 0.637123    (-0.455995   1.74801)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.10 using 59 PHA bins.
#Fit statistic : Chi-Squared =          61.07 using 59 PHA bins.
#Fit statistic : Chi-Squared =          59.76 using 59 PHA bins.
# Reduced chi-squared =          1.111 for     55 degrees of freedom 
# Reduced chi-squared =          1.110 for     55 degrees of freedom 
# Reduced chi-squared =          1.086 for     55 degrees of freedom 
# Null hypothesis probability =   2.661572e-01
# Null hypothesis probability =   2.670881e-01
# Null hypothesis probability =   3.070525e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.593e-07   4.925e-07
25- 50  1.496e-07   1.900e-06
50-150  1.733e-08   1.882e-06
15-150  3.263e-07   5.744e-06

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.65593     ( -0.623368   0.774255 )
Norm@50keV  : 5.96353E-04    ( -0.00031325   0.000339565 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.39 using 59 PHA bins.
# Reduced chi-squared =          1.130 for     57 degrees of freedom 
# Null hypothesis probability =   2.339156e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.129297 ( -0.0419678  0.0420449 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.00061e-07 ( -1.51391e-07  1.68838e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -8.80621     (     )
Epeak [keV] : 22.2829      (   )
Norm@50keV  : 4.92373E+05    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.00 using 59 PHA bins.
# Reduced chi-squared =          1.089 for     56 degrees of freedom 
# Null hypothesis probability =   3.009486e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.124887 ( -0.0407945  0.040034 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.04894e-07 ( -1.13108e-07  1.32143e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -6.55429   -5 )
beta        : -3.82457    ( 3.8247   1.32662 )
Epeak [keV] : 21.7829      ( -5.12501 5.44822 )
Norm@50keV   : 529.210    ( -158.317   2994.27 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.99 using 59 PHA bins.
# Reduced chi-squared =          1.091 for     55 degrees of freedom 
# Null hypothesis probability =   2.996017e-01
 
Photon flux (15-150 keV)    in 64 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]    : 5.85593  (-1.48705  2.04248)
R^2/D10^2   : 0.563976  (-0.563976   1.56316)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.11 using 59 PHA bins.
# Reduced chi-squared =          1.072 for     57 degrees of freedom 
# Null hypothesis probability =   3.306144e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.587e-07   9.696e-08
25- 50  1.500e-07   9.453e-08
50-150  1.242e-08   1.058e-08
15-150  3.211e-07   1.944e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 21.7349       (-9.82514      23.8037)
Norm        : 1.45970       (-0.766128     1.68552)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.71 using 59 PHA bins.
# Reduced chi-squared =          1.100 for     57 degrees of freedom 
# Null hypothesis probability =   2.810358e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.550e-07   9.607e-08
25- 50  1.444e-07   8.844e-08
50-150  4.956e-08   4.566e-08
15-150  3.489e-07   2.133e-07
Double BB
R1^2/D10^2  : 7.32791E-06        (-7.35321e-06      -7.35321e-06)
kT2 [keV]   : 5.66971        (-1.41961      1.94616)
R2^2/D10^2  : 0.637123    (-0.455995   1.74801)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.10 using 59 PHA bins.
#Fit statistic : Chi-Squared =          61.07 using 59 PHA bins.
#Fit statistic : Chi-Squared =          59.76 using 59 PHA bins.
# Reduced chi-squared =          1.111 for     55 degrees of freedom 
# Reduced chi-squared =          1.110 for     55 degrees of freedom 
# Reduced chi-squared =          1.086 for     55 degrees of freedom 
# Null hypothesis probability =   2.661572e-01
# Null hypothesis probability =   2.670881e-01
# Null hypothesis probability =   3.070525e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.593e-07   6.198e-07
25- 50  1.496e-07   2.386e-06
50-150  1.733e-08   2.222e-06
15-150  3.263e-07   4.512e-06
Plot creation:
Fri Nov 18 17:29:44 EST 2016