batgrbproduct analysis for trigger=932435

batgrbproduct Analysis for Trigger=932435

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Nov  1 16:26:54 EDT 2019
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger932435/GCN5_download_cron
======================================================================

  Trigger: 00932435      Segment: 000

  BAT Trigger Time: 594175017.536   [s; MET]
      Trigger Stop: 594175019.584   [s; MET]
               UTC: 2019-10-31T00:36:33.697220    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 233.470112879956   Dec: 6.14378241270486  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.26
     Image Trigger?:     NO
     Rate S/N Ratio:     12.4899959967968  [ if not an image trigger ]
     Image S/N Ratio:    7.26

  Flight Position:   [ source = BAT ]
    RA: 233.470112879956   Dec: 6.14378241270486  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 233.4902173638   Dec: 6.10914688472544  [deg; J2000]  
        { 15h 33m 57.7s , +06d 06' 32.9" }
         +/- 1.97050946273839 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.746354466265067 [arcmin] (formal 1-sigma fit error)
    SNR: 11.5422882532885
 
  Angular difference between Flight and Ground position is 2.399405 arcmin
 
  Partial Coding Fraction: 0.4648438    [ including projection effects ]

  Duration
     T90: 19.1360000371933 +/- 6.26234457124176
        Measured from: -6.63199985027313
                   to: 12.5040001869202     [s; relative to TRIGTIME]
     T50: 7.08800005912781 +/- 2.00511338869853
        Measured from: -0.551999926567078
                   to: 6.53600013256073     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 3.48399996757507     
                   to: 4.48399996757507     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -11.0800000429153     
                   to: 16.8719999790192     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.330631   0.541272   0.397535   0.156628
           0.049642   0.051910   0.045992   0.039825 [error]
 Peak      0.014870   0.044567   0.054023   0.019354
           0.009549   0.010318   0.009228   0.008094 [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 1.06e-07 2.10e-07 3.22e-07 1.08e-06 9.02e-07 1.72e-06   erg/cm2
              Error 2.00e-08 2.40e-08 4.44e-08 3.25e-07 1.09e-07 3.57e-07   erg/cm2
Peak flux Power-law 2.03e-01 2.92e-01 3.11e-01 6.13e-01 9.97e-01 1.42e+00   ph/cm2/s
              Error 9.48e-02 8.53e-02 6.97e-02 2.91e-01 2.29e-01 3.35e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.04e-07 2.14e-07 3.26e-07 8.51e-07 8.92e-07 1.49e-06   erg/cm2
              Error 2.22e-08 2.84e-08 4.72e-08 6.22e-07 1.20e-07 5.71e-07   erg/cm2
Peak flux Cutoff-PL 1.15e-01 3.01e-01 3.75e-01 1.86e-01 9.23e-01 9.76e-01   ph/cm2/s
              Error 8.20e-02 1.07e-01 9.67e-02 3.02e-01 2.40e-01 3.66e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 1.27e-01 2.99e-01 3.69e-01 2.27e-01 9.43e-01 1.02e+00   ph/cm2/s
              Error -------- -------- 9.70e-02 -------- -------- --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.381    0.187    -      -           3.33e-03 3.60e-04   57.590 57
CPL   1.237    0.535     262.6    0.0      3.95e-03 4.07e-03   57.450 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.910    0.371    -      -           8.68e-03 1.99e-03   64.780 57
CPL  -0.959    2.515      94.8  358.2      5.20e-02 4.00e-01   61.730 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: 12.352000 sec.
T50 in the 50-300 keV band: 5.376000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   27.952  -11.080   16.872
T90    19.136   -6.632   12.504
T50     7.088   -0.552    6.536
Peak    1.000    3.484    4.484

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  233.4902  +6.1091 0.0168   26.4  -99.9       1.4290    11.5  TRIG_00932435       
------------------------------------------
 
Foreground time interval of the image:
-11.080  16.872 (delta_t =  27.952 [sec])
Background time interval of the image:
-60.536 -11.080 (delta_t =  49.456 [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  -11.080 sec. to   16.872 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.38135     ( -0.187202   0.186508 )
Norm@50keV  : 3.32789E-03    ( -0.000360717   0.000359587 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.59 using 59 PHA bins.
# Reduced chi-squared =          1.010 for     57 degrees of freedom 
# Null hypothesis probability =   4.533548e-01
 
Photon flux (15-150 keV)    in 27.95 sec: 0.403592 ( -0.0439435  0.0440004 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.02262e-07 ( -1.08753e-07  1.09887e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -11.080 sec. to   16.872 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.23668     ( -0.754857   0.31564 )
Epeak [keV] : 262.570      ( -262.587 -262.587 )
Norm@50keV  : 3.94777E-03    ( -0.00266045   0.00547777 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.45 using 59 PHA bins.
# Reduced chi-squared =          1.026 for     56 degrees of freedom 
# Null hypothesis probability =   4.211789e-01
 
Photon flux (15-150 keV)    in 27.95 sec: 0.401275 ( -0.045205  0.045145 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.91834e-07 ( -1.21529e-07  1.17857e-07 ) ergs/cm2
 
Band function
Time interval is from  -11.080 sec. to   16.872 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.50396   ( -4.50396   -4.50396 )
beta        : -1.52598    ( -0.24828   0.227448 )
Epeak [keV] : 28.4227      ( -7.92188 5.88947 )
Norm@50keV   : 68.2254    ( -7.2441   1.19787e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.55 using 59 PHA bins.
# Reduced chi-squared =          1.010 for     55 degrees of freedom 
# Null hypothesis probability =   4.538445e-01
 
Photon flux (15-150 keV)    in 27.95 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]    : 15.1030  (-2.16901  2.68584)
R^2/D10^2   : 4.50836E-02  (-0.0194   0.0323509)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          79.23 using 59 PHA bins.
# Reduced chi-squared =          1.390 for     57 degrees of freedom 
# Null hypothesis probability =   2.738257e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.011e-08   1.356e-08
25- 50  2.403e-07   3.857e-08
50-150  3.742e-07   7.770e-08
15-150  6.747e-07   9.894e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-49.22      -200)
Norm        : 1.66451       (-0.178275     0.178275)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.59 using 59 PHA bins.
# Reduced chi-squared =          1.046 for     57 degrees of freedom 
# Null hypothesis probability =   3.814733e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.159e-07   6.419e-08
25- 50  2.229e-07   1.217e-07
50-150  4.888e-07   2.664e-07
15-150  8.275e-07   4.510e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.63653        (-2.04898      2.29611)
R1^2/D10^2  : 0.227912        (-0.120802      0.311165)
kT2 [keV]   : 40.7382        (-15.1882      96.0328)
R2^2/D10^2  : 1.32480E-03    (-0.00114638   0.00455791)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.38 using 59 PHA bins.
# Reduced chi-squared =         0.9887 for     55 degrees of freedom 
# Null hypothesis probability =   4.983039e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.824e-08   3.340e-08
25- 50  2.336e-07   1.124e-07
50-150  5.849e-07   3.096e-07
15-150  9.168e-07   3.788e-07

Peak spectrum fit

Power-law model
Time interval is from    3.484 sec. to    4.484 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.909544     ( -0.387633   0.355184 )
Norm@50keV  : 8.68408E-03    ( -0.0020103   0.0019759 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.78 using 59 PHA bins.
# Reduced chi-squared =          1.137 for     57 degrees of freedom 
# Null hypothesis probability =   2.236733e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.996638 ( -0.227948  0.230964 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.7102e-08 ( -2.19971e-08  2.21695e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    3.484 sec. to    4.484 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.958560     ( -3.20596   1.8244 )
Epeak [keV] : 94.7565      ( -26.364 689.963 )
Norm@50keV  : 5.20341E-02    ( -0.0520339   0.748709 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.73 using 59 PHA bins.
# Reduced chi-squared =          1.102 for     56 degrees of freedom 
# Null hypothesis probability =   2.787704e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.923169 ( -0.237499  0.242721 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.0112e-08 ( -2.33888e-08  2.3759e-08 ) ergs/cm2
 
Band function
Time interval is from    3.484 sec. to    4.484 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.958997   ( -1.45508   3.21479 )
beta        : -10.0000    ( 10   5.32907e-14 )
Epeak [keV] : 94.7367      ( -22.2969 175.655 )
Norm@50keV   : 5.20655E-02    ( -0.0520655   0.747755 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.73 using 59 PHA bins.
# Reduced chi-squared =          1.122 for     55 degrees of freedom 
# Null hypothesis probability =   2.481881e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.943228 (    ) 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]    : 22.6773  (-4.81843  7.3211)
R^2/D10^2   : 3.46579E-02  (-0.0203558   0.0405568)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.80 using 59 PHA bins.
# Reduced chi-squared =          1.084 for     57 degrees of freedom 
# Null hypothesis probability =   3.085909e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.252e-09   1.440e-09
25- 50  1.750e-08   8.040e-09
50-150  6.726e-08   3.074e-08
15-150  8.801e-08   4.025e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-57.8419      -200)
Norm        : 4.12059       (-0.965541     0.965541)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          72.75 using 59 PHA bins.
# Reduced chi-squared =          1.276 for     57 degrees of freedom 
# Null hypothesis probability =   7.800946e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.026e-08   6.115e-09
25- 50  1.974e-08   1.194e-08
50-150  4.329e-08   2.551e-08
15-150  7.328e-08   4.442e-08
Double BB
R1^2/D10^2  : 9.95179E-02        (-0.0773217      -0.0773217)
kT2 [keV]   : 23.7503        (-6.09966      -24.0276)
R2^2/D10^2  : 2.89930E-02    (-0.027208   0.0470258)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.80 using 59 PHA bins.
#Fit statistic : Chi-Squared =          61.73 using 59 PHA bins.
#Fit statistic : Chi-Squared =          61.71 using 59 PHA bins.
# Reduced chi-squared =          1.124 for     55 degrees of freedom 
# Reduced chi-squared =          1.122 for     55 degrees of freedom 
# Reduced chi-squared =          1.122 for     55 degrees of freedom 
# Null hypothesis probability =   2.461504e-01
# Null hypothesis probability =   2.481690e-01
# Null hypothesis probability =   2.487254e-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:
Fri Nov  1 16:30:08 EDT 2019