batgrbproduct Analysis for Trigger=706871

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Aug  2 03:11:25 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger706871/GCN5_download_cron
======================================================================

  Trigger: 00706871      Segment: 000

  BAT Trigger Time: 491736527.168   [s; MET]
      Trigger Stop: 491736528.192   [s; MET]
               UTC: 2016-08-01T09:28:30.522860    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 212.762767149869   Dec: 13.4995972351227  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.93
     Image Trigger?:     NO
     Rate S/N Ratio:     14.9666295470958  [ if not an image trigger ]
     Image S/N Ratio:    9.93

  Flight Position:   [ source = BAT ]
    RA: 212.762767149869   Dec: 13.4995972351227  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 212.766150984434   Dec: 13.4826207849321  [deg; J2000]  
        { 14h 11m 03.9s , +13d 28' 57.4" }
         +/- 1.76428485792215 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.843789624472428 [arcmin] (formal 1-sigma fit error)
    SNR: 13.5169083869206
 
  Angular difference between Flight and Ground position is 1.037544 arcmin
 
  Partial Coding Fraction: 0.734375    [ including projection effects ]

  Duration
     T90: 2.85199993848801 +/- 0.415427463220295
        Measured from: -1.16799986362457
                   to: 1.68400007486343     [s; relative to TRIGTIME]
     T50: 1.32399994134903 +/- 0.397959781634642
        Measured from: -0.379999876022339
                   to: 0.944000065326691     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.0239999890327454     
                   to: 0.976000010967255     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.34399998188019     
                   to: 1.82800000905991     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.105827   0.130345   0.072595   0.015799
           0.012955   0.013796   0.011681   0.009279 [error]
 Peak      0.046599   0.069342   0.022024   0.001185
           0.007377   0.007981   0.006467   0.004886 [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 3.36e-08 5.00e-08 5.55e-08 1.17e-07 1.74e-07 2.56e-07   erg/cm2
              Error 5.96e-09 6.22e-09 1.10e-08 4.57e-08 2.59e-08 5.74e-08   erg/cm2
Peak flux Power-law 5.15e-01 3.92e-01 1.99e-01 1.45e-01 1.17e+00 1.25e+00   ph/cm2/s
              Error 1.07e-01 6.23e-02 4.92e-02 6.51e-02 1.86e-01 2.01e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.10e-08 5.56e-08 5.51e-08 3.31e-08 1.63e-07 1.75e-07   erg/cm2
              Error 6.75e-09 8.81e-09 1.28e-08 3.95e-08 2.81e-08 6.74e-08   erg/cm2
Peak flux Cutoff-PL 4.20e-01 5.34e-01 1.73e-01 8.08e-03 1.14e+00 1.14e+00   ph/cm2/s
              Error 1.24e-01 1.00e-01 7.11e-02 1.99e-02 1.83e-01 1.84e-01   ph/cm2/s
 
Fluence        Band 3.08e-08 5.54e-08 5.48e-08 4.60e-08 1.63e-07 1.88e-07   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    1.848    0.219    -      -           5.98e-03 8.80e-04   56.700 57
CPL   0.996    1.026      51.3  -18.7      1.81e-02 3.97e-02   54.220 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.975    0.258    -      -           7.91e-03 1.54e-03   68.910 57
CPL  -0.825    1.962      39.6    7.0      3.75e-01 5.31e+00   57.860 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: 2.176000 sec.
T50 in the 50-300 keV band: 1.344000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    3.172   -1.344    1.828
T90     2.852   -1.168    1.684
T50     1.324   -0.380    0.944
Peak    1.000   -0.024    0.976

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  212.7662 +13.4826 0.0143   29.5   20.4       0.3243    13.5  TRIG_00706871       
------------------------------------------
 
Foreground time interval of the image:
 -1.344   1.828 (delta_t =   3.172 [sec])
Background time interval of the image:
-239.168 -135.798 (delta_t = 103.370 [sec])
-135.168  -1.344 (delta_t = 133.824 [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   -1.344 sec. to    1.828 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.84783     ( -0.212881   0.225192 )
Norm@50keV  : 5.98095E-03    ( -0.000889769   0.000869245 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.70 using 59 PHA bins.
# Reduced chi-squared =         0.9947 for     57 degrees of freedom 
# Null hypothesis probability =   4.863435e-01
 
Photon flux (15-150 keV)    in 3.172 sec: 0.839944 ( -0.104709  0.104733 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.74446e-07 ( -2.56425e-08  2.61369e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -1.344 sec. to    1.828 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.996493     ( -1.13761   0.914306 )
Epeak [keV] : 51.3023      ( -13.9599 -51.3023 )
Norm@50keV  : 1.80663E-02    ( -0.0180664   0.0614118 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.22 using 59 PHA bins.
# Reduced chi-squared =         0.9682 for     56 degrees of freedom 
# Null hypothesis probability =   5.424488e-01
 
Photon flux (15-150 keV)    in 3.172 sec: 0.818844 ( -0.107071  0.107124 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.62533e-07 ( -2.72405e-08  2.8888e-08 ) ergs/cm2
 
Band function
Time interval is from   -1.344 sec. to    1.828 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.996393   ( 1.14308   4.82805 )
beta        : -4.54182    ( 4.15895   14.1589 )
Epeak [keV] : 51.2870      ( -20.3607 -51.2791 )
Norm@50keV   : 1.80666E-02    ( -0.0182675   365.803 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.22 using 59 PHA bins.
# Reduced chi-squared =         0.9858 for     55 degrees of freedom 
# Null hypothesis probability =   5.043541e-01
 
Photon flux (15-150 keV)    in 3.172 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.62673e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 11.1035  (-1.54798  1.8017)
R^2/D10^2   : 0.275196  (-0.118422   0.205896)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.51 using 59 PHA bins.
# Reduced chi-squared =          1.132 for     57 degrees of freedom 
# Null hypothesis probability =   2.308171e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.253e-08   5.259e-09
25- 50  6.447e-08   1.104e-08
50-150  4.522e-08   1.441e-08
15-150  1.322e-07   2.216e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 86.2771       (-28.5616      57.5104)
Norm        : 3.89426       (-0.647789     0.803194)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.48 using 59 PHA bins.
# Reduced chi-squared =         0.9558 for     57 degrees of freedom 
# Null hypothesis probability =   5.701227e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.218e-08   5.419e-09
25- 50  5.392e-08   8.358e-09
50-150  7.997e-08   4.135e-08
15-150  1.661e-07   4.314e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.04666        (-2.76394      2.82584)
R1^2/D10^2  : 1.56680        (-1.08575      15.0155)
kT2 [keV]   : 18.1060        (-5.2408      15.5615)
R2^2/D10^2  : 3.14332E-02    (-0.0288628   0.0624271)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.14 using 59 PHA bins.
# Reduced chi-squared =         0.9844 for     55 degrees of freedom 
# Null hypothesis probability =   5.074309e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.094e-08   1.714e-08
25- 50  5.510e-08   2.837e-08
50-150  7.465e-08   4.285e-08
15-150  1.607e-07   8.300e-08

Peak spectrum fit

Power-law model
Time interval is from   -0.024 sec. to    0.976 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.97548     ( -0.247947   0.2678 )
Norm@50keV  : 7.91437E-03    ( -0.00155095   0.0015199 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          68.91 using 59 PHA bins.
# Reduced chi-squared =          1.209 for     57 degrees of freedom 
# Null hypothesis probability =   1.339423e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.17397 ( -0.185836  0.18584 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.28894e-08 ( -1.34944e-08  1.3857e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.024 sec. to    0.976 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.825291     ( -2.32814   1.59641 )
Epeak [keV] : 39.6167      ( -5.87847 8.09836 )
Norm@50keV  : 0.374649    ( -0.388281   10.2262 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.86 using 59 PHA bins.
# Reduced chi-squared =          1.033 for     56 degrees of freedom 
# Null hypothesis probability =   4.063249e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.13549 ( -0.182901  0.18394 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.25262e-08 ( -1.16206e-08  1.29485e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.024 sec. to    0.976 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.68240   ( -1.63563   -0.774122 )
beta        : -3.29312    ( 9.99716   19.9966 )
Epeak [keV] : 36.5363      ( -5.86491 7.86443 )
Norm@50keV   : 1.47866    ( -1.70206   131.246 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.76 using 59 PHA bins.
# Reduced chi-squared =          1.050 for     55 degrees of freedom 
# Null hypothesis probability =   3.735903e-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]    : 10.0280  (-1.3615  1.56209)
R^2/D10^2   : 0.610201  (-0.262559   0.450454)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.33 using 59 PHA bins.
# Reduced chi-squared =          1.023 for     57 degrees of freedom 
# Null hypothesis probability =   4.263506e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.251e-08   3.453e-09
25- 50  3.122e-08   7.115e-09
50-150  1.643e-08   6.322e-09
15-150  6.016e-08   1.248e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 62.0098       (-20.1454      36.9262)
Norm        : 6.28649       (-1.34667     1.63061)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.31 using 59 PHA bins.
# Reduced chi-squared =          1.111 for     57 degrees of freedom 
# Null hypothesis probability =   2.636500e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.588e-08   3.160e-09
25- 50  2.441e-08   4.575e-09
50-150  2.854e-08   1.183e-08
15-150  6.883e-08   1.712e-08
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.02729        (-7.5603      -7.5603)
R1^2/D10^2  : 0.877011        (-0.885403      -0.885403)
kT2 [keV]   : 14.0855        (-13.1636      -13.1636)
R2^2/D10^2  : 7.55182E-02    (-0.0752375   0.915758)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.73 using 59 PHA bins.
#Fit statistic : Chi-Squared =          57.70 using 59 PHA bins.
# Reduced chi-squared =          1.050 for     55 degrees of freedom 
# Reduced chi-squared =          1.049 for     55 degrees of freedom 
# Null hypothesis probability =   3.748163e-01
# Null hypothesis probability =   3.756588e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.341e-08   2.627e-08
25- 50  2.984e-08   8.955e-08
50-150  1.975e-08   1.746e-07
15-150  6.301e-08   2.344e-07
Plot creation:
Tue Aug  2 03:16:20 EDT 2016