batgrbproduct analysis for trigger=932595

batgrbproduct Analysis for Trigger=932595

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Nov  1 20:20:23 EDT 2019
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger932595/GCN5_download_cron
======================================================================

  Trigger: 00932595      Segment: 000

  BAT Trigger Time: 594240258.752   [s; MET]
      Trigger Stop: 594240259.776   [s; MET]
               UTC: 2019-10-31T18:43:54.909020    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 115.862015968424   Dec: -62.3348266050567  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.29
     Image Trigger?:     NO
     Rate S/N Ratio:     11.2249721603218  [ if not an image trigger ]
     Image S/N Ratio:    7.29

  Flight Position:   [ source = BAT ]
    RA: 115.862015968424   Dec: -62.3348266050567  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 115.880106951869   Dec: -62.3222505929653  [deg; J2000]  
        { 07h 43m 31.2s , -62d 19' 20.1" }
         +/- 1.27580049906352 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.557468630188549 [arcmin] (formal 1-sigma fit error)
    SNR: 21.4783116856017
 
  Angular difference between Flight and Ground position is 0.907451 arcmin
 
  Partial Coding Fraction: 0.2402344    [ including projection effects ]

  Duration
     T90: 93.2319999933243 +/- 19.031991522175
        Measured from: -33.1359997987747
                   to: 60.0960001945496     [s; relative to TRIGTIME]
     T50: 19.472000002861 +/- 2.66350746889609
        Measured from: -4.7519998550415
                   to: 14.7200001478195     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 4.03600001335144     
                   to: 5.03600001335144     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -37.9839999675751     
                   to: 112.65600001812     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.882977   4.050823   3.068940   0.867314
           0.131492   0.140412   0.123051   0.099973 [error]
 Peak      0.096319   0.208910   0.190363   0.051778
           0.017218   0.021021   0.019123   0.012862 [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 1.08e-06 1.87e-06 2.46e-06 6.58e-06 7.19e-06 1.20e-05   erg/cm2
              Error 7.91e-08 8.12e-08 1.24e-07 7.30e-07 3.03e-07 8.12e-07   erg/cm2
Peak flux Power-law 1.33e+00 1.49e+00 1.19e+00 1.58e+00 4.60e+00 5.59e+00   ph/cm2/s
              Error 2.50e-01 1.83e-01 1.41e-01 3.59e-01 5.15e-01 6.03e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.04e-06 1.90e-06 2.50e-06 5.04e-06 7.11e-06 1.05e-05   erg/cm2
              Error 9.62e-08 9.28e-08 1.37e-07 1.16e-06 3.27e-07 1.73e-06   erg/cm2
Peak flux Cutoff-PL 1.14e+00 1.60e+00 1.33e+00 8.36e-01 4.56e+00 4.90e+00   ph/cm2/s
              Error 2.92e-01 2.18e-01 1.84e-01 -------- 5.16e-01 6.76e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 1.01e+00 1.74e+00 1.26e+00 1.17e+00 4.51e+00 5.18e+00   ph/cm2/s
              Error 3.50e-01 -------- 1.82e-01 -------- 5.23e-01 6.63e-01   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.603    0.071    -      -           5.11e-03 2.04e-04   56.860 57
CPL   1.415    0.254     162.9  -47.3      6.30e-03 1.81e-03   55.450 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.324    0.160    -      -           3.84e-02 4.10e-03   51.560 57
CPL   0.555    0.702     104.1  118.1      8.89e-02 7.79e-02   47.200 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: 52.224000 sec.
T50 in the 50-300 keV band: 17.408000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  150.640  -37.984  112.656
T90    93.232  -33.136   60.096
T50    19.472   -4.752   14.720
Peak    1.000    4.036    5.036

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  115.8801 -62.3223 0.0090   42.6 -140.3       7.4149    21.5  TRIG_00932595       
------------------------------------------
 
Foreground time interval of the image:
-37.984   9.549 (delta_t =  47.533 [sec])
Background time interval of the image:
-60.752 -37.984 (delta_t =  22.768 [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  -37.984 sec. to  112.656 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.60322     ( -0.0713502   0.0715411 )
Norm@50keV  : 5.10694E-03    ( -0.000204512   0.000204244 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.86 using 59 PHA bins.
# Reduced chi-squared =         0.9975 for     57 degrees of freedom 
# Null hypothesis probability =   4.803006e-01
 
Photon flux (15-150 keV)    in 150.6 sec: 0.656912 ( -0.0281641  0.0282556 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.18998e-06 ( -3.0226e-07  3.0282e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -37.984 sec. to  112.656 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.41501     ( -0.285904   0.221179 )
Epeak [keV] : 162.899      ( -68.2965 -162.915 )
Norm@50keV  : 6.30076E-03    ( -0.001321   0.00229446 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.45 using 59 PHA bins.
# Reduced chi-squared =         0.9902 for     56 degrees of freedom 
# Null hypothesis probability =   4.955433e-01
 
Photon flux (15-150 keV)    in 150.6 sec: 0.649762 ( -0.029833  0.0299 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.10915e-06 ( -3.27404e-07  3.25778e-07 ) ergs/cm2
 
Band function
Time interval is from  -37.984 sec. to  112.656 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.866452   ( -2.8876   -0.878214 )
beta        : -1.66413    ( -0.0992142   0.0889642 )
Epeak [keV] : 31.2719      ( -12.7735 25.627 )
Norm@50keV   : 0.292942    ( -0.318193   212.055 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.55 using 59 PHA bins.
# Reduced chi-squared =         0.9554 for     55 degrees of freedom 
# Null hypothesis probability =   5.688133e-01
 
Photon flux (15-150 keV)    in 150.6 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]    : 15.2146  (  )
R^2/D10^2   : 6.75289E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         211.27 using 59 PHA bins.
# Reduced chi-squared =         3.7065 for     57 degrees of freedom 
# Null hypothesis probability =   1.406369e-19
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.917e-07   3.968e-08
25- 50  1.979e-06   1.167e-07
50-150  3.137e-06   2.357e-07
15-150  5.608e-06   2.658e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 187.861       (-37.383      -189.846)
Norm        : 2.65540       (-0.115185     0.127336)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.08 using 59 PHA bins.
# Reduced chi-squared =         0.9838 for     57 degrees of freedom 
# Null hypothesis probability =   5.097172e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.003e-06   6.574e-08
25- 50  1.916e-06   1.852e-07
50-150  4.119e-06   1.161e-06
15-150  7.039e-06   1.363e-06
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.23676        (-0.897709      0.998424)
R1^2/D10^2  : 0.647154        (-0.228094      0.385955)
kT2 [keV]   : 27.4723        (-3.54418      5.23335)
R2^2/D10^2  : 6.43614E-03    (-0.00297077   0.0043236)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.27 using 59 PHA bins.
# Reduced chi-squared =          1.023 for     55 degrees of freedom 
# Null hypothesis probability =   4.272165e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.683e-07   1.114e-07
25- 50  1.953e-06   1.815e-07
50-150  4.162e-06   5.391e-07
15-150  7.083e-06   7.952e-07

Peak spectrum fit

Power-law model
Time interval is from    4.036 sec. to    5.036 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.32417     ( -0.160742   0.159658 )
Norm@50keV  : 3.83544E-02    ( -0.00409776   0.00409747 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.56 using 59 PHA bins.
# Reduced chi-squared =         0.9045 for     57 degrees of freedom 
# Null hypothesis probability =   6.786234e-01
 
Photon flux (15-150 keV)    in 1 sec: 4.59679 ( -0.514165  0.515085 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.76824e-07 ( -4.2278e-08  4.23445e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    4.036 sec. to    5.036 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.555438     ( -0.764522   0.638766 )
Epeak [keV] : 104.122      ( -28.8568 207.438 )
Norm@50keV  : 8.89043E-02    ( -0.0439497   0.111792 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.20 using 59 PHA bins.
# Reduced chi-squared =         0.8428 for     56 degrees of freedom 
# Null hypothesis probability =   7.927440e-01
 
Photon flux (15-150 keV)    in 1 sec: 4.55627 ( -0.51595  0.51691 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.73775e-07 ( -4.3883e-08  4.3525e-08 ) ergs/cm2
 
Band function
Time interval is from    4.036 sec. to    5.036 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.358678   ( -1.35567   -0.378977 )
beta        : -1.74679    ( 1.74549   0.37926 )
Epeak [keV] : 62.4319      ( -28.6439 100.766 )
Norm@50keV   : 0.308419    ( -0.340254   203.814 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.69 using 59 PHA bins.
# Reduced chi-squared =         0.8307 for     55 degrees of freedom 
# Null hypothesis probability =   8.102597e-01
 
Photon flux (15-150 keV)    in 1 sec: 4.50798 ( 2.49202  -0.52353 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.71472e-07 ( -3.71465e-07  -4.3082e-08 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 17.4353  (-2.13998  2.55974)
R^2/D10^2   : 0.346199  (-0.132225   0.199956)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.22 using 59 PHA bins.
# Reduced chi-squared =          1.074 for     57 degrees of freedom 
# Null hypothesis probability =   3.269764e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.128e-08   4.710e-09
25- 50  9.605e-08   1.531e-08
50-150  2.101e-07   3.870e-08
15-150  3.274e-07   4.375e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-32.1834      -200)
Norm        : 19.4868       (-2.09775     2.09775)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.19 using 59 PHA bins.
# Reduced chi-squared =         0.9683 for     57 degrees of freedom 
# Null hypothesis probability =   5.432475e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.852e-08   9.000e-09
25- 50  9.333e-08   3.589e-08
50-150  2.047e-07   9.359e-08
15-150  3.465e-07   1.674e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 10.4654        (-2.9622      3.32821)
R1^2/D10^2  : 1.27376        (-0.674852      1.94253)
kT2 [keV]   : 35.3732        (-11.1163      56.8656)
R2^2/D10^2  : 2.09684E-02    (-0.0194146   0.0671014)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.09 using 59 PHA bins.
# Reduced chi-squared =         0.8198 for     55 degrees of freedom 
# Null hypothesis probability =   8.274028e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.250e-08   1.556e-08
25- 50  1.005e-07   4.368e-08
50-150  2.423e-07   1.211e-07
15-150  3.753e-07   1.797e-07
Plot creation:
Fri Nov  1 20:24:08 EDT 2019