batgrbproduct Analysis for Trigger=725036

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Dec  3 18:55:50 EST 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger725036/GCN5_download_cron
======================================================================

  Trigger: 00725036      Segment: 000

  BAT Trigger Time: 502413189.952   [s; MET]
      Trigger Stop: 502413190.464   [s; MET]
               UTC: 2016-12-02T23:12:52.703120    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 356.894953923009   Dec: 19.6396627418034  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.12
     Image Trigger?:     NO
     Rate S/N Ratio:     21.1896201004171  [ if not an image trigger ]
     Image S/N Ratio:    11.12

  Flight Position:   [ source = BAT ]
    RA: 356.894953923009   Dec: 19.6396627418034  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 356.903754602354   Dec: 19.6517457922755  [deg; J2000]  
        { 23h 47m 36.9s , +19d 39' 06.3" }
         +/- 0.703227445973341 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.205160484435899 [arcmin] (formal 1-sigma fit error)
    SNR: 50.2982567989719
 
  Angular difference between Flight and Ground position is 0.879154 arcmin
 
  Partial Coding Fraction: 0.8671875    [ including projection effects ]

  Duration
     T90: 118.547999918461 +/- 0.70360217352223
        Measured from: -62.1839998960495
                   to: 56.3640000224113     [s; relative to TRIGTIME]
     T50: 68.5559999346733 +/- 15.4675863621211
        Measured from: -40.6199998855591
                   to: 27.9360000491142     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.10799998044968     
                   to: 3.10799998044968     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -63.4120000004768     
                   to: 65.7919999957085     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.602008   5.291632   3.824929   0.931367
           0.099942   0.111655   0.105864   0.101378 [error]
 Peak      0.143017   0.261598   0.254727   0.069120
           0.009273   0.010999   0.010972   0.008666 [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 1.22e-06 2.18e-06 2.99e-06 8.49e-06 8.64e-06 1.49e-05   erg/cm2
              Error 6.65e-08 6.77e-08 1.10e-07 7.12e-07 2.62e-07 7.77e-07   erg/cm2
Peak flux Power-law 1.54e+00 1.86e+00 1.62e+00 2.43e+00 5.87e+00 7.45e+00   ph/cm2/s
              Error 1.35e-01 9.98e-02 8.61e-02 2.71e-01 2.77e-01 3.64e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.17e-06 2.22e-06 3.03e-06 6.26e-06 8.49e-06 1.27e-05   erg/cm2
              Error 8.38e-08 7.54e-08 1.18e-07 1.90e-06 3.05e-07 1.87e-06   erg/cm2
Peak flux Cutoff-PL 1.34e+00 1.93e+00 1.73e+00 1.39e+00 5.73e+00 6.39e+00   ph/cm2/s
              Error 1.70e-01 1.12e-01 1.07e-01 4.18e-01 2.88e-01 5.09e-01   ph/cm2/s
 
Fluence        Band 1.04e-06 1.96e-06 2.34e-06 4.66e-06 6.79e-06 1.00e-05   erg/cm2
              Error -------- -------- 1.20e-07 -------- 2.53e-07 --------   erg/cm2
Peak flux      Band 1.35e+00 1.92e+00 1.73e+00 1.47e+00 5.74e+00 6.48e+00   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    1.546    0.054    -      -           7.10e-03 2.00e-04   54.130 57
CPL   1.339    0.214     166.1 2233.8      8.92e-03 2.02e-03   51.270 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.195    0.079    -      -           5.00e-02 2.30e-03   51.140 57
CPL   0.602    0.345     130.5   60.3      9.40e-02 3.46e-02   41.230 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: 91.136000 sec.
T50 in the 50-300 keV band: 38.336000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  129.204  -63.412   65.792
T90   118.548  -62.184   56.364
T50    68.556  -40.620   27.936
Peak    1.000    2.108    3.108

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  356.9038 +19.6517 0.0038   30.8  -13.2       4.9995    50.3  TRIG_00725036       
------------------------------------------
 
Foreground time interval of the image:
-24.951  10.849 (delta_t =  35.800 [sec])
Background time interval of the image:

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  -63.412 sec. to   65.792 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.54575     ( -0.0542768   0.0543932 )
Norm@50keV  : 7.09658E-03    ( -0.000200023   0.000199891 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.13 using 59 PHA bins.
# Reduced chi-squared =         0.9496 for     57 degrees of freedom 
# Null hypothesis probability =   5.834690e-01
 
Photon flux (15-150 keV)    in 129.2 sec: 0.897283 ( -0.0269669  0.0270354 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.63688e-06 ( -2.61869e-07  2.62602e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -63.412 sec. to   65.792 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.33855     ( -0.22022   0.20778 )
Epeak [keV] : 166.060      ( -59.6306 4408.06 )
Norm@50keV  : 8.91975E-03    ( -0.00165226   0.00238621 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.27 using 59 PHA bins.
# Reduced chi-squared =         0.9156 for     56 degrees of freedom 
# Null hypothesis probability =   6.540605e-01
 
Photon flux (15-150 keV)    in 129.2 sec: 0.883365 ( -0.030098  0.030182 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.48654e-06 ( -3.05558e-07  3.0384e-07 ) ergs/cm2
 
Band function
Time interval is from  -63.412 sec. to   65.792 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -5.53387E-02   ( -1.16436   4.24607 )
beta        : -1.62392    ( -0.11755   0.0798551 )
Epeak [keV] : 41.7191      ( -14.706 52.809 )
Norm@50keV   : 6.46501E-02    ( -0.0645644   297.853 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.29 using 59 PHA bins.
# Reduced chi-squared =         0.8599 for     55 degrees of freedom 
# Null hypothesis probability =   7.605144e-01
 
Photon flux (15-150 keV)    in 129.2 sec: 0.751673 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.79129e-06 ( -6.79039e-06  -2.52909e-07 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 15.2111  (  )
R^2/D10^2   : 9.16409E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         301.02 using 59 PHA bins.
# Reduced chi-squared =         5.2811 for     57 degrees of freedom 
# Null hypothesis probability =   7.002113e-35
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.722e-07   3.120e-08
25- 50  2.303e-06   8.721e-08
50-150  3.648e-06   2.061e-07
15-150  6.523e-06   2.196e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-19.8863      -200)
Norm        : 3.63096       (-0.10113     0.10113)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.31 using 59 PHA bins.
# Reduced chi-squared =         0.9177 for     57 degrees of freedom 
# Null hypothesis probability =   6.513752e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.169e-06   3.463e-08
25- 50  2.248e-06   6.977e-08
50-150  4.930e-06   1.512e-07
15-150  8.346e-06   2.558e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.88351        (-0.743083      0.776812)
R1^2/D10^2  : 0.632358        (-0.165419      0.247206)
kT2 [keV]   : 29.7839        (-3.48639      4.80383)
R2^2/D10^2  : 6.82615E-03    (-0.00269751   0.003801)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.27 using 59 PHA bins.
# Reduced chi-squared =         0.8958 for     55 degrees of freedom 
# Null hypothesis probability =   6.923548e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.031e-06   1.089e-07
25- 50  2.305e-06   1.492e-07
50-150  5.139e-06   5.698e-07
15-150  8.475e-06   7.048e-07

Peak spectrum fit

Power-law model
Time interval is from    2.108 sec. to    3.108 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.19521     ( -0.0787371   0.0785705 )
Norm@50keV  : 5.00429E-02    ( -0.00229991   0.00229991 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.14 using 59 PHA bins.
# Reduced chi-squared =         0.8972 for     57 degrees of freedom 
# Null hypothesis probability =   6.934088e-01
 
Photon flux (15-150 keV)    in 1 sec: 5.87008 ( -0.277158  0.277398 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.08395e-07 ( -2.59248e-08  2.60071e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    2.108 sec. to    3.108 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.602076     ( -0.358186   0.330909 )
Epeak [keV] : 130.483      ( -29.5802 91.0378 )
Norm@50keV  : 9.40404E-02    ( -0.0272761   0.0419164 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.23 using 59 PHA bins.
# Reduced chi-squared =         0.7363 for     56 degrees of freedom 
# Null hypothesis probability =   9.301349e-01
 
Photon flux (15-150 keV)    in 1 sec: 5.72747 ( -0.28796  0.28789 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.9364e-07 ( -2.7797e-08  2.7696e-08 ) ergs/cm2
 
Band function
Time interval is from    2.108 sec. to    3.108 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.602038   ( -0.276823   0.366099 )
beta        : -10.0000    ( 10   1.77636e-15 )
Epeak [keV] : 130.461      ( -17.4822 90.8489 )
Norm@50keV   : 9.40417E-02    ( -0.0272826   0.0419055 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.23 using 59 PHA bins.
# Reduced chi-squared =         0.7497 for     55 degrees of freedom 
# Null hypothesis probability =   9.156938e-01
 
Photon flux (15-150 keV)    in 1 sec: 5.74391 (    ) 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]    : 19.0735  (-1.08479  1.1691)
R^2/D10^2   : 0.322551  (-0.0573234   0.0686315)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         100.13 using 59 PHA bins.
# Reduced chi-squared =         1.7566 for     57 degrees of freedom 
# Null hypothesis probability =   3.650577e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.303e-08   2.015e-09
25- 50  1.111e-07   7.100e-09
50-150  2.972e-07   2.345e-08
15-150  4.313e-07   2.540e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-7.02639      -200)
Norm        : 24.2399       (-1.13667     1.13667)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         101.16 using 59 PHA bins.
# Reduced chi-squared =         1.7748 for     57 degrees of freedom 
# Null hypothesis probability =   2.857510e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.037e-08   3.145e-09
25- 50  1.161e-07   6.000e-09
50-150  2.547e-07   1.455e-08
15-150  4.312e-07   2.370e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.50939        (-1.88799      2.3939)
R1^2/D10^2  : 3.18566        (-1.72448      5.14858)
kT2 [keV]   : 26.8415        (-3.56731      6.51196)
R2^2/D10^2  : 8.83545E-02    (-0.04868   0.0614006)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.94 using 59 PHA bins.
# Reduced chi-squared =         0.7807 for     55 degrees of freedom 
# Null hypothesis probability =   8.814002e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.150e-08   1.092e-08
25- 50  1.107e-07   1.973e-08
50-150  3.395e-07   5.795e-08
15-150  4.917e-07   8.245e-08
Plot creation:
Sat Dec  3 19:05:22 EST 2016