batgrbproduct analysis for trigger=832119

batgrbproduct Analysis for Trigger=832119

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun May 13 09:29:23 EDT 2018
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger832119/GCN5_download_cron
======================================================================

  Trigger: 00832119      Segment: 000

  BAT Trigger Time: 547855328   [s; MET]
      Trigger Stop: 547855448   [s; MET]
               UTC: 2018-05-12T22:01:47.066860    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 201.953361498894   Dec: 21.4063155534925  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.5
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.5

  Flight Position:   [ source = BAT ]
    RA: 201.953361498894   Dec: 21.4063155534925  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 201.939697780445   Dec: 21.4043608630045  [deg; J2000]  
        { 13h 27m 45.5s , +21d 24' 15.7" }
         +/- 1.92726268410446 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.847809164373933 [arcmin] (formal 1-sigma fit error)
    SNR: 11.9140641281156
 
  Angular difference between Flight and Ground position is 0.772231 arcmin
 
  Partial Coding Fraction: 0.6796875    [ including projection effects ]

  Duration
     T90: 24 +/- 7.07106781186548
        Measured from: 30.0000001192093
                   to: 54.0000001192093     [s; relative to TRIGTIME]
     T50: 9 +/- 3.60555127546399
        Measured from: 37.0000001192093
                   to: 46.0000001192093     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 39     
                   to: 40     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 29     
                   to: 55     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.293626   0.354047   0.123740   0.066859
           0.039228   0.040506   0.035347   0.031570 [error]
 Peak      0.038000   0.018998   0.016557  -0.003145
           0.008550   0.007937   0.006863   0.006269 [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 1.03e-07 1.31e-07 1.22e-07 2.01e-07 4.24e-07 5.58e-07   erg/cm2
              Error 1.93e-08 1.92e-08 3.24e-08 1.03e-07 7.49e-08 1.42e-07   erg/cm2
Peak flux Power-law 2.41e-01 1.94e-01 1.06e-01 8.40e-02 5.79e-01 6.25e-01   ph/cm2/s
              Error 1.08e-01 6.48e-02 5.20e-02 9.23e-02 1.93e-01 2.11e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.00e-07 1.43e-07 1.09e-07 4.81e-08 3.85e-07 4.01e-07   erg/cm2
              Error 2.04e-08 2.90e-08 5.06e-08 1.13e-07 9.69e-08 1.92e-07   erg/cm2
Peak flux Cutoff-PL 1.92e-01 3.01e-01 4.50e-02 1.36e-04 5.38e-01 5.38e-01   ph/cm2/s
              Error 1.21e-01 8.08e-02 6.60e-02 1.51e-02 1.82e-01 1.82e-01   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    2.101    0.273    -      -           1.76e-03 3.40e-04   54.840 57
CPL   1.368    1.499      31.7    0.0      5.07e-03 0.00e+00   53.970 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.878    0.555    -      -           4.07e-03 1.60e-03   67.750 57
CPL  -3.820    0.572      34.9   12.6      1.82e+01 1.55e+05   63.500 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   26.000   29.000   55.000
T90    24.000   30.000   54.000
T50     9.000   37.000   46.000
Peak    1.000   39.000   40.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  201.9397 +21.4044 0.0161   34.1   10.3       0.9425    11.9  TRIG_00832119       
------------------------------------------
 
Foreground time interval of the image:
 29.000  55.000 (delta_t =  26.000 [sec])
Background time interval of the image:
-239.000 -237.640 (delta_t =   1.360 [sec])
-237.000  29.000 (delta_t = 266.000 [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   29.000 sec. to   55.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.10057     ( -0.261671   0.283869 )
Norm@50keV  : 1.75697E-03    ( -0.000344553   0.000335473 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.84 using 59 PHA bins.
# Reduced chi-squared =         0.9620 for     57 degrees of freedom 
# Null hypothesis probability =   5.567131e-01
 
Photon flux (15-150 keV)    in 26 sec: 0.276494 ( -0.0389791  0.0389791 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.2445e-07 ( -7.35184e-08  7.61901e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   29.000 sec. to   55.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.36807     ( -2.28976   0.707466 )
Epeak [keV] : 31.6622      (   )
Norm@50keV  : 5.06814E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.97 using 59 PHA bins.
# Reduced chi-squared =         0.9638 for     56 degrees of freedom 
# Null hypothesis probability =   5.520814e-01
 
Photon flux (15-150 keV)    in 26 sec: 0.269863 ( -0.04098  0.040816 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.85107e-07 ( -9.18242e-08  1.02037e-07 ) ergs/cm2
 
Band function
Time interval is from   29.000 sec. to   55.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.72985   ( -2.27163   -0.397209 )
beta        : -2.56430    ( -1.6312   0.517284 )
Epeak [keV] : 27.4270      ( -10.5227 10.695 )
Norm@50keV   : 0.901729    ( -0.879342   133.193 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.25 using 59 PHA bins.
# Reduced chi-squared =         0.9319 for     55 degrees of freedom 
# Null hypothesis probability =   6.185876e-01
 
Photon flux (15-150 keV)    in 26 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]    : 8.11676  (-1.15958  1.38265)
R^2/D10^2   : 0.291825  (-0.136021   0.248401)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.08 using 59 PHA bins.
# Reduced chi-squared =          1.019 for     57 degrees of freedom 
# Null hypothesis probability =   4.354469e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.135e-08   2.224e-08
25- 50  1.639e-07   3.563e-08
50-150  4.514e-08   2.069e-08
15-150  3.004e-07   7.055e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 50.0875       (-16.5936      31.6634)
Norm        : 1.57346       (-0.357619     0.503703)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.91 using 59 PHA bins.
# Reduced chi-squared =         0.9458 for     57 degrees of freedom 
# Null hypothesis probability =   5.916151e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.001e-07   1.764e-08
25- 50  1.438e-07   2.549e-08
50-150  1.399e-07   5.933e-08
15-150  3.837e-07   8.593e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.86076        (-1.53789      1.55644)
R1^2/D10^2  : 0.505607        (-0.24304      0.429972)
kT2 [keV]   : 35.7665        (-27.6634      -43.8944)
R2^2/D10^2  : 5.84027E-04    (-0.000338219   0.009918)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.92 using 59 PHA bins.
# Reduced chi-squared =         0.9077 for     55 degrees of freedom 
# Null hypothesis probability =   6.684348e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.000e-07   4.406e-08
25- 50  1.460e-07   6.926e-08
50-150  1.672e-07   9.357e-08
15-150  4.132e-07   1.874e-07

Peak spectrum fit

Power-law model
Time interval is from   39.000 sec. to   40.000 sec.

Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.87836     ( -0.524295   0.585757 )
Norm@50keV  : 4.06799E-03    ( -0.00162252   0.00157834 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.75 using 59 PHA bins.
# Reduced chi-squared =          1.189 for     57 degrees of freedom
# Null hypothesis probability =   1.560414e-01

Photon flux (15-150 keV)    in 1 sec: 0.578519 ( -0.193205  0.193273 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.73841e-08 ( -1.41884e-08  1.50724e-08 ) ergs/cm2

Cutoff power-law model
Time interval is from   39.000 sec. to   40.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -3.81963     ( 2.82249   3.96597 )
Epeak [keV] : 34.9219      ( -7.66399 17.4785 )
Norm@50keV  : 18.1950    ( -16.8862   310335 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.50 using 59 PHA bins.
# Reduced chi-squared =          1.134 for     56 degrees of freedom
# Null hypothesis probability =   2.290168e-01

Photon flux (15-150 keV)    in 1 sec: 0.537945 ( -0.17916  0.184772 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.71906e-08 ( -9.466e-09  1.27481e-08 ) ergs/cm2
 
Single BB

Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 9.35346  (-2.27732  3.18705)
R^2/D10^2   : 0.395529  (-0.395529   0.749442)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.94 using 59 PHA bins.
# Reduced chi-squared =          1.122 for     57 degrees of freedom
# Null hypothesis probability =   2.459115e-01

Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.864e-09   4.096e-09
25- 50  1.548e-08   9.545e-09
50-150  6.635e-09   5.175e-09
15-150  2.898e-08   1.844e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 25.3473       (-18.9672      69.3852)
Norm        : 5.80561       (-3.37051     40.8675)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          79.62 using 59 PHA bins.
# Reduced chi-squared =          1.397 for     57 degrees of freedom 
# Null hypothesis probability =   2.556559e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.073e-08   6.516e-09
25- 50  1.109e-08   6.935e-09
50-150  4.813e-09   4.201e-09
15-150  2.663e-08   1.665e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.10372        (-1.27637      1.71692)
R1^2/D10^2  : 48.3946        (-43.8899      1573.11)
kT2 [keV]   : 16.6498        (-7.74641      21.8546)
R2^2/D10^2  : 2.61247E-02    (-0.0243921   0.126037)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          75.56 using 59 PHA bins.
# Reduced chi-squared =          1.374 for     55 degrees of freedom 
# Null hypothesis probability =   3.434279e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.262e-08   6.830e-09
25- 50  8.278e-09   4.983e-09
50-150  1.269e-08   8.505e-09
15-150  3.359e-08   1.801e-08
Plot creation:
Sun May 13 09:38:01 EDT 2018