batgrbproduct Analysis for Trigger=720697

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Nov  6 16:41:33 EST 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger720697/GCN5_download_cron
======================================================================

  Trigger: 00720697      Segment: 000

  BAT Trigger Time: 500014399.488   [s; MET]
      Trigger Stop: 500014400.512   [s; MET]
               UTC: 2016-11-05T04:53:02.375560    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 120.162953074002   Dec: -44.7796477196195  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.86
     Image Trigger?:     NO
     Rate S/N Ratio:     17.058722109232  [ if not an image trigger ]
     Image S/N Ratio:    10.86

  Flight Position:   [ source = BAT ]
    RA: 120.162953074002   Dec: -44.7796477196195  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 120.197774815995   Dec: -44.7629732704572  [deg; J2000]  
        { 08h 00m 47.5s , -44d 45' 46.7" }
         +/- 1.19085006355711 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.576782210431091 [arcmin] (formal 1-sigma fit error)
    SNR: 23.7001512100327
 
  Angular difference between Flight and Ground position is 1.789121 arcmin
 
  Partial Coding Fraction: 0.859375    [ including projection effects ]

  Duration
     T90: 167.947999954224 +/- 26.3518743800973
        Measured from: -47.1959998607635
                   to: 120.75200009346     [s; relative to TRIGTIME]
     T50: 62.6599999070168 +/- 2.34235431814079
        Measured from: 1.26000016927719
                   to: 63.9200000762939     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.632000029087067     
                   to: 1.63200002908707     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -88     
                   to: 164.81200003624     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.165473   3.643602   2.898610   0.703970
           0.096476   0.099479   0.086037   0.072048 [error]
 Peak      0.020703   0.072704   0.067739   0.035801
           0.006553   0.007146   0.006676   0.005190 [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 7.15e-07 1.44e-06 2.24e-06 7.72e-06 6.25e-06 1.21e-05   erg/cm2
              Error 4.61e-08 5.42e-08 8.64e-08 6.81e-07 2.15e-07 7.26e-07   erg/cm2
Peak flux Power-law 2.58e-01 4.04e-01 4.76e-01 1.09e+00 1.46e+00 2.23e+00   ph/cm2/s
              Error 6.43e-02 6.17e-02 5.04e-02 2.54e-01 1.61e-01 2.67e-01   ph/cm2/s
 
Fluence   Cutoff-PL 6.68e-07 1.47e-06 2.30e-06 5.09e-06 6.12e-06 9.53e-06   erg/cm2
              Error 5.74e-08 6.03e-08 9.77e-08 -------- 2.38e-07 1.60e-06   erg/cm2
Peak flux Cutoff-PL 2.34e-01 4.07e-01 4.96e-01 8.11e-01 1.44e+00 1.95e+00   ph/cm2/s
              Error 7.91e-02 6.48e-02 6.62e-02 4.44e-01 1.64e-01 4.54e-01   ph/cm2/s
 
Fluence        Band 1.01e-06 2.70e-06 3.90e-06 1.08e-05 1.05e-05 1.85e-05   erg/cm2
              Error 1.12e-07 -------- 2.26e-07 -------- 3.55e-07 --------   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    1.356    0.059    -      -           2.53e-03 8.16e-05   60.530 57
CPL   1.051    0.241     168.5  191.3      3.52e-03 9.01e-04   55.500 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.763    0.191    -      -           1.26e-02 1.45e-03   59.760 57
CPL   0.445    0.615     303.0    0.0      1.71e-02 1.23e-02   59.190 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: 144.640000 sec.
T50 in the 50-300 keV band: 54.400000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  252.812  -88.000  164.812
T90   167.948  -47.196  120.752
T50    62.660    1.260   63.920
Peak    1.000    0.632    1.632

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  120.1978 -44.7630 0.0081   24.4   20.9       3.9100    23.7  TRIG_00720697       
------------------------------------------
 
Foreground time interval of the image:
-88.000  11.213 (delta_t =  99.213 [sec])
Background time interval of the image:
-239.488 -88.000 (delta_t = 151.488 [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  -88.000 sec. to  164.812 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.35619     ( -0.0591394   0.0589173 )
Norm@50keV  : 2.53492E-03    ( -8.16041e-05   8.16024e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.53 using 59 PHA bins.
# Reduced chi-squared =          1.062 for     57 degrees of freedom 
# Null hypothesis probability =   3.496239e-01
 
Photon flux (15-150 keV)    in 252.8 sec: 0.305776 ( -0.0106088  0.0106322 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.25018e-06 ( -2.15157e-07  2.15565e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -88.000 sec. to  164.812 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.05105     ( -0.247144   0.233905 )
Epeak [keV] : 168.517      ( -51.898 330.784 )
Norm@50keV  : 3.51801E-03    ( -0.000763212   0.00103819 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.50 using 59 PHA bins.
# Reduced chi-squared =         0.9911 for     56 degrees of freedom 
# Null hypothesis probability =   4.937225e-01
 
Photon flux (15-150 keV)    in 252.8 sec: 0.300152 ( -0.011371  0.011396 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.12411e-06 ( -2.38719e-07  2.37556e-07 ) ergs/cm2
 
Band function
Time interval is from  -88.000 sec. to  164.812 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.494118   ( -0.741965   3.4971 )
beta        : -1.48808    ( -0.120194   0.100469 )
Epeak [keV] : 46.7492      ( -23.95 39.8894 )
Norm@50keV   : 3.46903E-02    ( -0.0343146   14.5331 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.89 using 59 PHA bins.
# Reduced chi-squared =         0.8889 for     55 degrees of freedom 
# Null hypothesis probability =   7.059690e-01
 
Photon flux (15-150 keV)    in 252.8 sec: 0.515690 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.05227e-05 ( -1.0521e-05  -3.58647e-07 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 17.4506  (  )
R^2/D10^2   : 2.08165E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         226.10 using 59 PHA bins.
# Reduced chi-squared =         3.9666 for     57 degrees of freedom 
# Null hypothesis probability =   5.363665e-22
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.239e-07   2.098e-08
25- 50  1.463e-06   6.383e-08
50-150  3.207e-06   1.883e-07
15-150  4.994e-06   1.858e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-6.09204      -200)
Norm        : 1.28304       (-0.0415367     0.0415367)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          90.68 using 59 PHA bins.
# Reduced chi-squared =          1.591 for     57 degrees of freedom 
# Null hypothesis probability =   3.017790e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.079e-07   2.920e-08
25- 50  1.554e-06   5.460e-08
50-150  3.409e-06   1.087e-07
15-150  5.770e-06   2.035e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.01494        (-0.98013      1.04828)
R1^2/D10^2  : 0.129135        (-0.0357135      0.053943)
kT2 [keV]   : 34.4290        (-5.011      8.02638)
R2^2/D10^2  : 1.64441E-03    (-0.000793305   0.00116821)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.80 using 59 PHA bins.
# Reduced chi-squared =         0.8872 for     55 degrees of freedom 
# Null hypothesis probability =   7.092313e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.875e-07   6.156e-08
25- 50  1.560e-06   1.371e-07
50-150  4.015e-06   5.789e-07
15-150  6.163e-06   8.532e-07

Peak spectrum fit

Power-law model
Time interval is from    0.632 sec. to    1.632 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.762529     ( -0.195826   0.18551 )
Norm@50keV  : 1.26433E-02    ( -0.00146247   0.00143708 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.76 using 59 PHA bins.
# Reduced chi-squared =          1.048 for     57 degrees of freedom 
# Null hypothesis probability =   3.758225e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.45550 ( -0.160828  0.161532 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.50126e-07 ( -1.6394e-08  1.64386e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.632 sec. to    1.632 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.445130     ( -0.826393   0.403903 )
Epeak [keV] : 303.033      ( -303.038 -303.038 )
Norm@50keV  : 1.70952E-02    ( -0.00560735   0.0189435 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.19 using 59 PHA bins.
# Reduced chi-squared =          1.057 for     56 degrees of freedom 
# Null hypothesis probability =   3.600386e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.44006 ( -0.16399  0.16489 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.48866e-07 ( -1.7063e-08  1.6852e-08 ) ergs/cm2
 
Band function
Time interval is from    0.632 sec. to    1.632 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.749927   ( 0.845727   0.845727 )
beta        : -0.764998    ( -0.185699   0.195772 )
Epeak [keV] : 10000.00      ( -10000 -10000 )
Norm@50keV   : 1.27207E-02    ( -0.00152829   0.0065747 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.73 using 59 PHA bins.
# Reduced chi-squared =          1.086 for     55 degrees of freedom 
# Null hypothesis probability =   3.078256e-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]    : 26.8234  (-3.98668  5.15133)
R^2/D10^2   : 3.02531E-02  (-0.012132   0.0188681)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          69.62 using 59 PHA bins.
# Reduced chi-squared =          1.221 for     57 degrees of freedom 
# Null hypothesis probability =   1.218755e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.638e-09   8.085e-10
25- 50  2.136e-08   3.900e-09
50-150  1.125e-07   1.988e-08
15-150  1.375e-07   2.325e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-16.9087      -200)
Norm        : 5.83625       (-0.675277     0.675277)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         107.79 using 59 PHA bins.
# Reduced chi-squared =         1.8911 for     57 degrees of freedom 
# Null hypothesis probability =   5.589089e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.454e-08   8.070e-09
25- 50  2.796e-08   1.550e-08
50-150  6.133e-08   3.396e-08
15-150  1.038e-07   5.735e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 13.0178        (-4.15506      5.57368)
R1^2/D10^2  : 0.161313        (-0.094729      0.25979)
kT2 [keV]   : 64.0861        (-32.7101      -68.0128)
R2^2/D10^2  : 2.24271E-03    (-0.0015677   0.00968623)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.61 using 59 PHA bins.
# Reduced chi-squared =          1.029 for     55 degrees of freedom 
# Null hypothesis probability =   4.147275e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.621e-09   3.771e-09
25- 50  2.625e-08   1.401e-08
50-150  1.159e-07   5.830e-08
15-150  1.488e-07   7.370e-08
Plot creation:
Sun Nov  6 16:46:13 EST 2016