batgrbproduct analysis for trigger=912239

batgrbproduct Analysis for Trigger=912239

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Jul  2 17:06:19 EDT 2019
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger912239/GCN5_download_cron
======================================================================

  Trigger: 00912239      Segment: 000

  BAT Trigger Time: 583631602.688   [s; MET]
      Trigger Stop: 583631603.712   [s; MET]
               UTC: 2019-06-30T23:52:59.523940    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 293.908248688796   Dec: -32.7512118392696  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.75
     Image Trigger?:     NO
     Rate S/N Ratio:     16.0934769394311  [ if not an image trigger ]
     Image S/N Ratio:    9.75

  Flight Position:   [ source = BAT ]
    RA: 293.908248688796   Dec: -32.7512118392696  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 293.890352283333   Dec: -32.7593041843985  [deg; J2000]  
        { 19h 35m 33.7s , -32d 45' 33.5" }
         +/- 1.10869190271374 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.340748320667936 [arcmin] (formal 1-sigma fit error)
    SNR: 26.2484004615651
 
  Angular difference between Flight and Ground position is 1.025297 arcmin
 
  Partial Coding Fraction: 0.59375    [ including projection effects ]

  Duration
     T90: 357.5 +/- 48.6727915127113
        Measured from: 0.100000143051147
                   to: 357.600000143051     [s; relative to TRIGTIME]
     T50: 127.963999867439 +/- 70.9658157410561
        Measured from: 7.18800020217896
                   to: 135.152000069618     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.120000004768372     
                   to: 0.879999995231628     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.91999995708466     
                   to: 407.111999988556     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.786106   1.893850   0.999682   0.292962
           0.158053   0.155895   0.137736   0.131907 [error]
 Peak      0.059837   0.075989   0.074562   0.025923
           0.011244   0.011593   0.010972   0.009377 [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 5.40e-07 7.76e-07 8.30e-07 1.65e-06 2.66e-06 3.79e-06   erg/cm2
              Error 7.46e-08 7.40e-08 1.34e-07 5.30e-07 3.07e-07 6.70e-07   erg/cm2
Peak flux Power-law 5.13e-01 5.80e-01 4.69e-01 6.33e-01 1.79e+00 2.19e+00   ph/cm2/s
              Error 1.42e-01 9.82e-02 8.75e-02 2.49e-01 2.77e-01 3.52e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.11e-07 8.43e-07 7.87e-07 4.82e-07 2.44e-06 2.62e-06   erg/cm2
              Error 8.29e-08 1.06e-07 1.65e-07 1.10e-06 3.75e-07 1.23e-06   erg/cm2
Peak flux Cutoff-PL 4.92e-01 5.91e-01 4.79e-01 4.93e-01 1.78e+00 2.05e+00   ph/cm2/s
              Error 1.68e-01 1.12e-01 1.00e-01 3.89e-01 2.87e-01 4.71e-01   ph/cm2/s
 
Fluence        Band 4.96e-07 8.63e-07 7.53e-07 1.03e-06 2.50e-06 3.15e-06   erg/cm2
              Error 8.56e-08 1.40e-07 1.58e-07 -------- 2.55e-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    1.904    0.179    -      -           7.07e-04 8.26e-05   63.610 57
CPL   1.195    0.876      46.1  -16.0      1.84e-03 3.17e-03   61.270 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.305    0.268    -      -           1.50e-02 2.30e-03   50.470 57
CPL   1.090    1.152     221.2    0.0      1.91e-02 3.16e-02   50.350 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: 11.584000 sec.
T50 in the 50-300 keV band: 5.568000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  409.032   -1.920  407.112
T90   357.500    0.100  357.600
T50   127.964    7.188  135.152
Peak    1.000   -0.120    0.880

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  293.8904 -32.7593 0.0073   23.2  136.1       2.7848    26.2  TRIG_00912239       
------------------------------------------
 
Foreground time interval of the image:
 -1.920  16.913 (delta_t =  18.833 [sec])
Background time interval of the image:
-239.688  -1.920 (delta_t = 237.768 [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   -1.920 sec. to  407.112 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.90359     ( -0.175419   0.182236 )
Norm@50keV  : 7.06691E-04    ( -8.33296e-05   8.18223e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.61 using 59 PHA bins.
# Reduced chi-squared =          1.116 for     57 degrees of freedom 
# Null hypothesis probability =   2.550311e-01
 
Photon flux (15-150 keV)    in 409 sec: 0.101572 ( -0.00968434  0.00968676 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.65751e-06 ( -3.04179e-07  3.10653e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -1.920 sec. to  407.112 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.19517     ( -0.980749   0.770691 )
Epeak [keV] : 46.1129      ( -14.1104 -46.1128 )
Norm@50keV  : 1.83916E-03    ( -0.00116146   0.00517038 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.27 using 59 PHA bins.
# Reduced chi-squared =          1.094 for     56 degrees of freedom 
# Null hypothesis probability =   2.926301e-01
 
Photon flux (15-150 keV)    in 409 sec: 9.84950E-02 ( -0.0102314  0.010245 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.43652e-06 ( -3.60656e-07  3.90313e-07 ) ergs/cm2
 
Band function
Time interval is from   -1.920 sec. to  407.112 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.511425   ( -1.25412   0.495078 )
beta        : -2.27696    ( 2.27766   0.403276 )
Epeak [keV] : 36.9868      ( -14.733 24.3745 )
Norm@50keV   : 5.40777E-03    ( -0.00593407   52.8091 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.83 using 59 PHA bins.
# Reduced chi-squared =          1.088 for     55 degrees of freedom 
# Null hypothesis probability =   3.047912e-01
 
Photon flux (15-150 keV)    in 409 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.49755e-06 ( -2.49469e-06  -3.37499e-07 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 9.95690  (-1.0529  1.20477)
R^2/D10^2   : 4.82623E-02  (-0.0171014   0.0259216)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          75.97 using 59 PHA bins.
# Reduced chi-squared =          1.333 for     57 degrees of freedom 
# Null hypothesis probability =   4.727221e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.980e-07   6.505e-08
25- 50  9.834e-07   1.076e-07
50-150  5.069e-07   1.492e-07
15-150  1.888e-06   2.325e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 74.0665       (-20.3792      34.4045)
Norm        : 0.489529       (-0.0703165     0.0858533)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.26 using 59 PHA bins.
# Reduced chi-squared =          1.075 for     57 degrees of freedom 
# Null hypothesis probability =   3.259487e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.165e-07   7.158e-08
25- 50  8.341e-07   8.589e-08
50-150  1.116e-06   3.143e-07
15-150  2.467e-06   3.732e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.09594        (-2.12253      1.92059)
R1^2/D10^2  : 0.133965        (-0.0706635      0.268405)
kT2 [keV]   : 24.2181        (-9.88031      110.662)
R2^2/D10^2  : 1.01035E-03    (-0.000970478   0.00777174)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.34 using 59 PHA bins.
# Reduced chi-squared =          1.097 for     55 degrees of freedom 
# Null hypothesis probability =   2.887364e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.922e-07   1.739e-07
25- 50  8.707e-07   3.238e-07
50-150  1.153e-06   6.152e-07
15-150  2.516e-06   9.937e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.120 sec. to    0.880 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.30476     ( -0.267913   0.268326 )
Norm@50keV  : 1.50210E-02    ( -0.00230069   0.00229394 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.47 using 59 PHA bins.
# Reduced chi-squared =         0.8854 for     57 degrees of freedom 
# Null hypothesis probability =   7.169868e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.79362 ( -0.276623  0.277225 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.48263e-07 ( -2.55052e-08  2.58567e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.120 sec. to    0.880 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.08995     ( -1.26624   1.037 )
Epeak [keV] : 221.221      ( -221.226 -221.226 )
Norm@50keV  : 1.91494E-02    ( -0.00630892   0.0569194 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.35 using 59 PHA bins.
# Reduced chi-squared =         0.8991 for     56 degrees of freedom 
# Null hypothesis probability =   6.877925e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.77803 ( -0.28805  0.28593 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.46185e-07 ( -2.7627e-08  2.7422e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.120 sec. to    0.880 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.11275   ( 0.916821   2.40853 )
beta        : -1.33166    ( 1.51625   0.470179 )
Epeak [keV] : 22.6422      ( -148.082 -148.082 )
Norm@50keV   : 490.932    ( -491.032   1222.41 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.19 using 59 PHA bins.
# Reduced chi-squared =         0.9126 for     55 degrees of freedom 
# Null hypothesis probability =   6.584429e-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]    : 17.2261  (-3.04788  3.877)
R^2/D10^2   : 0.133037  (-0.0658041   0.122642)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.41 using 59 PHA bins.
# Reduced chi-squared =          1.025 for     57 degrees of freedom 
# Null hypothesis probability =   4.234226e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.010e-09   2.804e-09
25- 50  3.582e-08   9.350e-09
50-150  7.620e-08   2.471e-08
15-150  1.200e-07   3.203e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-63.4821      -200)
Norm        : 7.37899       (-1.12946     1.12946)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.71 using 59 PHA bins.
# Reduced chi-squared =         0.9248 for     57 degrees of freedom 
# Null hypothesis probability =   6.365354e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.838e-08   1.046e-08
25- 50  3.535e-08   1.965e-08
50-150  7.752e-08   4.398e-08
15-150  1.312e-07   7.355e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.29087        (-2.80967      9.29992)
R1^2/D10^2  : 3.84144        (-3.55662      18.7079)
kT2 [keV]   : 22.9876        (-6.15425      -23.0776)
R2^2/D10^2  : 4.45361E-02    (-0.0429031   0.0564641)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.10 using 59 PHA bins.
# Reduced chi-squared =         0.9290 for     55 degrees of freedom 
# Null hypothesis probability =   6.245153e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.592e-08   9.035e-09
25- 50  3.187e-08   1.632e-08
50-150  9.180e-08   5.386e-08
15-150  1.396e-07   7.355e-08
Plot creation:
Tue Jul  2 17:12:40 EDT 2019