batgrbproduct Analysis for Trigger=715246

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Oct  5 16:14:07 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger715246/GCN5_download_cron
======================================================================

  Trigger: 00715246      Segment: 000

  BAT Trigger Time: 497315296.256   [s; MET]
      Trigger Stop: 497315297.28   [s; MET]
               UTC: 2016-10-04T23:07:59.296560    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 112.157428447963   Dec: -39.8946229194368  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    24.22
     Image Trigger?:     NO
     Rate S/N Ratio:     152.833242457261  [ if not an image trigger ]
     Image S/N Ratio:    24.22

  Flight Position:   [ source = BAT ]
    RA: 112.157428447963   Dec: -39.8946229194368  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 112.15580223496   Dec: -39.8964732071148  [deg; J2000]  
        { 07h 28m 37.4s , -39d 53' 47.3" }
         +/- 0.50811802882968 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.1420555001686 [arcmin] (formal 1-sigma fit error)
    SNR: 80.0145458862058
 
  Angular difference between Flight and Ground position is 0.133898 arcmin
 
  Partial Coding Fraction: 0.75    [ including projection effects ]

  Duration
     T90: 15.8679999709129 +/- 0.716100569843843
        Measured from: -2.63599985837936
                   to: 13.2320001125336     [s; relative to TRIGTIME]
     T50: 6.32399994134903 +/- 0.139999985694885
        Measured from: 0.332000136375427
                   to: 6.65600007772446     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.356000006198883     
                   to: 1.35600000619888     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -5.1599999666214     
                   to: 27.3080000281334     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.314231   5.123240   4.018600   0.947217
           0.048648   0.055077   0.049853   0.035997 [error]
 Peak      0.216347   0.453260   0.442465   0.128098
           0.010660   0.013690   0.013823   0.009367 [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 1.16e-06 2.17e-06 3.14e-06 9.60e-06 8.92e-06 1.61e-05   erg/cm2
              Error 4.22e-08 4.61e-08 5.87e-08 4.21e-07 1.50e-07 4.41e-07   erg/cm2
Peak flux Power-law 2.38e+00 3.10e+00 2.95e+00 4.98e+00 1.01e+01 1.34e+01   ph/cm2/s
              Error 1.62e-01 1.29e-01 1.12e-01 3.99e-01 3.55e-01 4.97e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.08e-06 2.19e-06 3.22e-06 7.09e-06 8.80e-06 1.36e-05   erg/cm2
              Error 5.68e-08 4.80e-08 7.14e-08 1.02e-06 1.61e-07 1.02e-06   erg/cm2
Peak flux Cutoff-PL 2.11e+00 3.19e+00 3.13e+00 3.11e+00 9.91e+00 1.15e+01   ph/cm2/s
              Error 2.02e-01 1.43e-01 1.42e-01 6.91e-01 3.65e-01 7.71e-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    1.471    0.031    -      -           2.88e-02 4.87e-04   47.750 57
CPL   1.208    0.130     176.9   73.1      3.73e-02 4.69e-03   35.210 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.071    0.058    -      -           8.72e-02 3.00e-03   50.070 57
CPL   0.578    0.248     164.0   68.1      1.46e-01 3.73e-02   37.270 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: 14.080000 sec.
T50 in the 50-300 keV band: 5.632000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   32.468   -5.160   27.308
T90    15.868   -2.636   13.232
T50     6.324    0.332    6.656
Peak    1.000    0.356    1.356

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  112.1558 -39.8965 0.0024   26.6  -50.8      13.1741    80.0  TRIG_00715246       
------------------------------------------
 
Foreground time interval of the image:
 -5.160  14.345 (delta_t =  19.505 [sec])
Background time interval of the image:
-32.155  -5.160 (delta_t =  26.995 [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   -5.160 sec. to   27.308 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.47134     ( -0.0313794   0.0313212 )
Norm@50keV  : 2.88089E-02    ( -0.00048677   0.000486525 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.75 using 59 PHA bins.
# Reduced chi-squared =         0.8377 for     57 degrees of freedom 
# Null hypothesis probability =   8.037526e-01
 
Photon flux (15-150 keV)    in 32.47 sec: 3.56948 ( -0.0710299  0.0712722 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.91707e-06 ( -1.50093e-07  1.50117e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -5.160 sec. to   27.308 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.20783     ( -0.132049   0.128445 )
Epeak [keV] : 176.855      ( -39.4909 106.753 )
Norm@50keV  : 3.73445E-02    ( -0.00433644   0.00504122 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          35.21 using 59 PHA bins.
# Reduced chi-squared =         0.6287 for     56 degrees of freedom 
# Null hypothesis probability =   9.865966e-01
 
Photon flux (15-150 keV)    in 32.47 sec: 3.49108 ( -0.079  0.07947 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.80194e-06 ( -1.61506e-07  1.60856e-07 ) ergs/cm2
 
Band function
Time interval is from   -5.160 sec. to   27.308 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.450135   ( -0.520193   1.52384 )
beta        : -1.56272    ( -0.0776426   0.0606219 )
Epeak [keV] : 60.6369      ( -25.7088 51.8476 )
Norm@50keV   : 0.106373    ( -0.0610094   0.742565 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          28.91 using 59 PHA bins.
# Reduced chi-squared =         0.5257 for     55 degrees of freedom 
# Null hypothesis probability =   9.985576e-01
 
Photon flux (15-150 keV)    in 32.47 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]    : 18.3910  (  )
R^2/D10^2   : 0.194265  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         702.26 using 59 PHA bins.
# Reduced chi-squared =         12.320 for     57 degrees of freedom 
# Null hypothesis probability =  6.066232e-112
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.242e-07   1.542e-08
25- 50  1.993e-06   5.098e-08
50-150  4.919e-06   1.185e-07
15-150  7.336e-06   1.331e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-2.8515      -200)
Norm        : 14.9061       (-0.248461     0.248461)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          84.57 using 59 PHA bins.
# Reduced chi-squared =          1.484 for     57 degrees of freedom 
# Null hypothesis probability =   1.032122e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.206e-06   2.322e-08
25- 50  2.319e-06   4.741e-08
50-150  5.086e-06   9.741e-08
15-150  8.611e-06   1.705e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.73270        (-0.570817      0.593982)
R1^2/D10^2  : 1.64015        (-0.308813      0.404758)
kT2 [keV]   : 31.8387        (-2.21815      2.75285)
R2^2/D10^2  : 2.28302E-02    (-0.00577586   0.00682625)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.58 using 59 PHA bins.
# Reduced chi-squared =         0.7015 for     55 degrees of freedom 
# Null hypothesis probability =   9.545046e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.911e-07   5.406e-08
25- 50  2.291e-06   6.949e-08
50-150  5.540e-06   2.159e-07
15-150  8.723e-06   2.614e-07

Peak spectrum fit

Power-law model
Time interval is from    0.356 sec. to    1.356 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.07064     ( -0.0584454   0.0581585 )
Norm@50keV  : 8.71704E-02    ( -0.00299634   0.00299518 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.07 using 59 PHA bins.
# Reduced chi-squared =         0.8784 for     57 degrees of freedom 
# Null hypothesis probability =   7.305988e-01
 
Photon flux (15-150 keV)    in 1 sec: 10.0844 ( -0.355142  0.355381 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.20109e-07 ( -3.44855e-08  3.45516e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.356 sec. to    1.356 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.578382     ( -0.254933   0.241205 )
Epeak [keV] : 163.964      ( -37.313 98.8756 )
Norm@50keV  : 0.145624    ( -0.0316166   0.0429016 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.27 using 59 PHA bins.
# Reduced chi-squared =         0.6656 for     56 degrees of freedom 
# Null hypothesis probability =   9.745630e-01
 
Photon flux (15-150 keV)    in 1 sec: 9.90592 ( -0.36469  0.36488 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.00921e-07 ( -3.665e-08  3.648e-08 ) ergs/cm2
 
Band function
Time interval is from    0.356 sec. to    1.356 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.448598   ( -0.789135   2.39419 )
beta        : -1.26624    ( -0.133941   0.109559 )
Epeak [keV] : 64.8704      ( -23.7366 44.8327 )
Norm@50keV   : 0.622671    ( -0.650568   27.4656 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          31.92 using 59 PHA bins.
# Reduced chi-squared =         0.5803 for     55 degrees of freedom 
# Null hypothesis probability =   9.946224e-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]    : 20.5439  (  )
R^2/D10^2   : 0.447650  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         150.08 using 59 PHA bins.
# Reduced chi-squared =         2.6331 for     57 degrees of freedom 
# Null hypothesis probability =   2.601356e-10
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.603e-08   2.350e-09
25- 50  1.826e-07   9.300e-09
50-150  5.733e-07   3.310e-08
15-150  7.919e-07   3.460e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 41.2319       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         223.68 using 59 PHA bins.
# Reduced chi-squared =         3.9242 for     57 degrees of freedom 
# Null hypothesis probability =   1.339558e-21
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.027e-07   3.865e-09
25- 50  1.975e-07   7.500e-09
50-150  4.332e-07   1.545e-08
15-150  7.333e-07   2.790e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 10.3082        (-1.47963      1.6236)
R1^2/D10^2  : 2.30264        (-0.698918      1.14796)
kT2 [keV]   : 37.5720        (-6.06317      11.257)
R2^2/D10^2  : 5.13033E-02    (-0.0283579   0.0413873)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          32.14 using 59 PHA bins.
# Reduced chi-squared =         0.5844 for     55 degrees of freedom 
# Null hypothesis probability =   9.941253e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.008e-08   8.500e-09
25- 50  1.959e-07   2.510e-08
50-150  6.514e-07   1.356e-07
15-150  9.073e-07   1.294e-07
Plot creation:
Wed Oct  5 16:17:11 EDT 2016