batgrbproduct Analysis for Trigger=650141

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Jul 24 23:53:10 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger650141/GCN5_download_cron
======================================================================

  Trigger: 00650141      Segment: 000

  BAT Trigger Time: 459409610.88   [s; MET]
      Trigger Stop: 459409612.928   [s; MET]
               UTC: 2015-07-24T05:46:35.984180    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 97.5395976716236   Dec: -19.1535017233648  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.19
     Image Trigger?:     NO
     Rate S/N Ratio:     9.64365076099295  [ if not an image trigger ]
     Image S/N Ratio:    7.19

  Flight Position:   [ source = BAT ]
    RA: 97.5395976716236   Dec: -19.1535017233648  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 97.5487896210137   Dec: -19.1467265507968  [deg; J2000]  
        { 06h 30m 11.7s , -19d 08' 48.2" }
         +/- 1.88126011038624 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.915613972165484 [arcmin] (formal 1-sigma fit error)
    SNR: 12.3324282841066
 
  Angular difference between Flight and Ground position is 0.660824 arcmin
 
  Partial Coding Fraction: 0.484375    [ including projection effects ]

  Duration
     T90: 279.991999983788 +/- 43.9465167494662
        Measured from: 1.26000010967255
                   to: 281.25200009346     [s; relative to TRIGTIME]
     T50: 199.879999935627 +/- 5.4221176954706
        Measured from: 24.9120001196861
                   to: 224.792000055313     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 24.0839999914169     
                   to: 25.0839999914169     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.07199996709824     
                   to: 325.420000016689     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.434835   1.660591   0.689246   0.266549
           0.101306   0.103674   0.087202   0.072775 [error]
 Peak      0.028709   0.046741   0.029401   0.009536
           0.008180   0.008691   0.007239   0.005911 [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 5.26e-07 6.89e-07 6.61e-07 1.13e-06 2.25e-06 3.00e-06   erg/cm2
              Error 5.92e-08 5.27e-08 8.59e-08 2.91e-07 1.98e-07 3.83e-07   erg/cm2
Peak flux Power-law 3.42e-01 3.17e-01 2.04e-01 2.02e-01 9.47e-01 1.07e+00   ph/cm2/s
              Error 1.21e-01 7.32e-02 5.83e-02 1.14e-01 2.14e-01 2.37e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.98e-07 7.38e-07 6.42e-07 4.17e-07 2.12e-06 2.30e-06   erg/cm2
              Error 6.79e-08 7.59e-08 1.00e-07 4.92e-07 2.40e-07 6.07e-07   erg/cm2
Peak flux Cutoff-PL 3.12e-01 3.41e-01 2.15e-01 1.02e-01 9.32e-01 9.71e-01   ph/cm2/s
              Error 1.37e-01 9.37e-02 6.67e-02 1.23e-01 2.17e-01 2.66e-01   ph/cm2/s
 
Fluence        Band 4.78e-07 7.58e-07 6.15e-07 7.33e-07 2.14e-06 2.59e-06   erg/cm2
              Error -------- -------- 9.85e-08 -------- 2.17e-07 --------   erg/cm2
Peak flux      Band 3.13e-01 3.41e-01 2.15e-01 1.04e-01 9.33e-01 9.74e-01   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    2.060    0.146    -      -           7.45e-04 7.02e-05   69.440 57
CPL   1.461    0.730      37.7    0.0      1.64e-03 0.00e+00   67.110 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.636    0.368    -      -           7.29e-03 1.68e-03   53.660 57
CPL   1.008    1.434      75.9    0.0      1.57e-02 0.00e+00   53.110 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: 271.360000 sec.
T50 in the 50-300 keV band: 191.552000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  326.492   -1.072  325.420
T90   279.992    1.260  281.252
T50   199.880   24.912  224.792
Peak    1.000   24.084   25.084

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   97.5488 -19.1467 0.0156   37.5 -139.7       1.0714    12.3  TRIG_00650141       
------------------------------------------
 
Foreground time interval of the image:
 -1.072  27.021 (delta_t =  28.093 [sec])
Background time interval of the image:
-156.479  -1.072 (delta_t = 155.407 [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   -1.072 sec. to  325.420 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.05998     ( -0.1429   0.148502 )
Norm@50keV  : 7.44525E-04    ( -7.08149e-05   6.96286e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          69.44 using 59 PHA bins.
# Reduced chi-squared =          1.218 for     57 degrees of freedom 
# Null hypothesis probability =   1.247896e-01
 
Photon flux (15-150 keV)    in 326.5 sec: 0.114873 ( -0.00892588  0.00893491 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.25059e-06 ( -1.96919e-07  1.99188e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -1.072 sec. to  325.420 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.46055     ( -0.800605   0.65908 )
Epeak [keV] : 37.6536      (   )
Norm@50keV  : 1.64422E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.11 using 59 PHA bins.
# Reduced chi-squared =          1.198 for     56 degrees of freedom 
# Null hypothesis probability =   1.470452e-01
 
Photon flux (15-150 keV)    in 326.5 sec: 0.111937 ( -0.009533  0.009487 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.12185e-06 ( -2.36017e-07  2.4383e-07 ) ergs/cm2
 
Band function
Time interval is from   -1.072 sec. to  325.420 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.937952   ( -0.997623   2.19879 )
beta        : -2.41785    ( 2.44341   0.364139 )
Epeak [keV] : 34.8051      ( -9.36847 10.8807 )
Norm@50keV   : 3.61586E-03    ( -0.00423856   0.163903 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.23 using 59 PHA bins.
# Reduced chi-squared =          1.186 for     55 degrees of freedom 
# Null hypothesis probability =   1.626237e-01
 
Photon flux (15-150 keV)    in 326.5 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.13983e-06 ( -2.13755e-06  -2.15944e-07 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 9.78359  (-0.813108  0.892462)
R^2/D10^2   : 5.72901E-02  (-0.0166616   0.0233024)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          91.51 using 59 PHA bins.
# Reduced chi-squared =          1.605 for     57 degrees of freedom 
# Null hypothesis probability =   2.527864e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.618e-07   4.414e-08
25- 50  8.719e-07   7.346e-08
50-150  4.270e-07   8.603e-08
15-150  1.661e-06   1.490e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 60.7572       (-12.4964      17.3942)
Norm        : 0.595145       (-0.0768956     0.0848749)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.14 using 59 PHA bins.
# Reduced chi-squared =          1.178 for     57 degrees of freedom 
# Null hypothesis probability =   1.684136e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.894e-07   5.436e-08
25- 50  7.476e-07   5.616e-08
50-150  8.595e-07   1.659e-07
15-150  2.097e-06   2.096e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.37244        (-2.30584      1.62779)
R1^2/D10^2  : 0.139273        (-0.0572139      0.218528)
kT2 [keV]   : 26.1643        (-16.5271      -32.0111)
R2^2/D10^2  : 6.85298E-04    (-0.000317656   0.00619278)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          68.50 using 59 PHA bins.
# Reduced chi-squared =          1.245 for     55 degrees of freedom 
# Null hypothesis probability =   1.043197e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.436e-07   1.099e-07
25- 50  7.818e-07   2.062e-07
50-150  8.844e-07   4.376e-07
15-150  2.110e-06   6.974e-07

Peak spectrum fit

Power-law model
Time interval is from   24.084 sec. to   25.084 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.63625     ( -0.361837   0.373817 )
Norm@50keV  : 7.28558E-03    ( -0.00169824   0.00167069 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.66 using 59 PHA bins.
# Reduced chi-squared =         0.9415 for     57 degrees of freedom 
# Null hypothesis probability =   6.009716e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.947054 ( -0.213791  0.214306 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.78545e-08 ( -1.6442e-08  1.66801e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   24.084 sec. to   25.084 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00828     ( -1.91226   0.955039 )
Epeak [keV] : 75.8611      (   )
Norm@50keV  : 1.56699E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.11 using 59 PHA bins.
# Reduced chi-squared =         0.9484 for     56 degrees of freedom 
# Null hypothesis probability =   5.849542e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.932485 ( -0.216878  0.216985 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.53972e-08 ( -1.73657e-08  1.76322e-08 ) ergs/cm2
 
Band function
Time interval is from   24.084 sec. to   25.084 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.02926   ( -0.904726   1.532 )
beta        : -9.36844    ( 9.37108   19.3711 )
Epeak [keV] : 77.3157      ( -34.5632 -77.2441 )
Norm@50keV   : 1.52232E-02    ( -0.00865426   0.0187294 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.11 using 59 PHA bins.
# Reduced chi-squared =         0.9657 for     55 degrees of freedom 
# Null hypothesis probability =   5.471284e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.932842 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.59558e-08 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.5535  (-3.2948  4.27799)
R^2/D10^2   : 0.155635  (-0.0990213   0.268803)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.32 using 59 PHA bins.
# Reduced chi-squared =          1.006 for     57 degrees of freedom 
# Null hypothesis probability =   4.630358e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.054e-09   2.797e-09
25- 50  2.179e-08   9.509e-09
50-150  2.591e-08   1.272e-08
15-150  5.375e-08   1.925e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 166.709       (-98.1905      -164.298)
Norm        : 3.90100       (-0.897388     1.3397)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.21 using 59 PHA bins.
# Reduced chi-squared =         0.9336 for     57 degrees of freedom 
# Null hypothesis probability =   6.179021e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.920e-09   5.655e-09
25- 50  1.866e-08   1.044e-08
50-150  3.841e-08   2.306e-08
15-150  6.699e-08   3.882e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.20259        (-4.02514      5.85654)
R1^2/D10^2  : 0.972915        (-0.801922      16.7724)
kT2 [keV]   : 24.4056        (-21.5535      -24.7737)
R2^2/D10^2  : 1.27863E-02    (-0.0123121   0.117945)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.77 using 59 PHA bins.
# Reduced chi-squared =         0.9595 for     55 degrees of freedom 
# Null hypothesis probability =   5.602736e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.684e-09   6.105e-09
25- 50  1.958e-08   1.095e-08
50-150  3.547e-08   1.961e-08
15-150  6.473e-08   3.284e-08
Plot creation:
Fri Jul 24 23:57:22 EDT 2015