batgrbproduct Analysis for Trigger=718919

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Oct 24 21:43:10 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger718919/GCN5_download_cron
======================================================================

  Trigger: 00718919      Segment: 000

  BAT Trigger Time: 498935480   [s; MET]
      Trigger Stop: 498935544   [s; MET]
               UTC: 2016-10-23T17:11:02.948720    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 197.821885912884   Dec: 43.9359283194799  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.8
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    5.8

  Flight Position:   [ source = BAT ]
    RA: 197.821885912884   Dec: 43.9359283194799  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 197.834469551701   Dec: 43.9269073767043  [deg; J2000]  
        { 13h 11m 20.3s , +43d 55' 36.9" }
         +/- 3.64152518995643 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.17189236612661 [arcmin] (formal 1-sigma fit error)
    SNR: 4.80048445671971
 
  Angular difference between Flight and Ground position is 0.767212 arcmin
 
  Partial Coding Fraction: 0.796875    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.118046   0.209568   0.117359   0.000722
           0.046249   0.047902   0.042125   0.038000 [error]
 Peak      0.118046   0.209568   0.117359   0.000722
           0.046249   0.047902   0.042125   0.038000 [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 4.03e-08 6.79e-08 8.69e-08 2.24e-07 2.57e-07 4.18e-07   erg/cm2
              Error 1.74e-08 2.09e-08 3.82e-08 2.01e-07 9.32e-08 2.40e-07   erg/cm2
Peak flux Power-law 2.04e-02 1.88e-02 1.21e-02 1.19e-02 5.62e-02 6.31e-02   ph/cm2/s
              Error 8.96e-03 5.82e-03 5.14e-03 9.82e-03 1.73e-02 2.01e-02   ph/cm2/s
 
Fluence   Cutoff-PL 3.26e-08 8.66e-08 8.27e-08 1.87e-08 2.18e-07 2.21e-07   erg/cm2
              Error 2.01e-08 3.00e-08 5.02e-08 1.31e-07 8.87e-08 1.65e-07   erg/cm2
Peak flux Cutoff-PL 1.61e-02 2.37e-02 1.21e-02 1.49e-03 5.32e-02 5.33e-02   ph/cm2/s
              Error 1.03e-02 8.21e-03 9.35e-03 4.93e-03 1.71e-02 1.76e-02   ph/cm2/s
 
Fluence        Band 3.23e-08 8.63e-08 8.26e-08 1.87e-08 2.18e-07 2.21e-07   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 1.61e-02 2.37e-02 1.21e-02 1.51e-03 5.32e-02 5.33e-02   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    1.644    0.505    -      -           4.31e-04 1.47e-04   61.390 57
CPL  -0.497    3.123      50.3  -17.4      6.80e-03 6.51e-01   58.790 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.644    0.505    -      -           4.31e-04 1.47e-04   61.390 57
CPL  -0.497    3.123      50.3  -17.4      6.80e-03 6.51e-01   58.790 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   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  197.8345 +43.9269 0.0403   20.3 -120.7       0.4395     4.8  TRIG_00718919       
------------------------------------------
 
Foreground time interval of the image:
  0.000  64.000 (delta_t =  64.000 [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    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.64364     ( -0.485604   0.52423 )
Norm@50keV  : 4.31009E-04    ( -0.000149   0.000145191 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.39 using 59 PHA bins.
# Reduced chi-squared =          1.077 for     57 degrees of freedom 
# Null hypothesis probability =   3.217240e-01
 
Photon flux (15-150 keV)    in 64 sec: 5.61607E-02 ( -0.0172638  0.0172711 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.56799e-07 ( -9.05786e-08  9.57427e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.497471     ( -4.0034   2.24214 )
Epeak [keV] : 50.3297      ( -15.5523 -50.366 )
Norm@50keV  : 6.79779E-03    ( -0.00685213   1.29499 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.79 using 59 PHA bins.
# Reduced chi-squared =          1.050 for     56 degrees of freedom 
# Null hypothesis probability =   3.736826e-01
 
Photon flux (15-150 keV)    in 64 sec: 5.31530E-02 ( -0.0169816  0.0173058 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.17987e-07 ( -7.88314e-08  9.8583e-08 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.440933   ( -1.80662   4.09992 )
beta        : -9.37167    ( 9.37167   19.3716 )
Epeak [keV] : 50.8368      ( -50.8288 193.505 )
Norm@50keV   : 6.17631E-03    ( -0.00631835   7.54342 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.80 using 59 PHA bins.
# Reduced chi-squared =          1.069 for     55 degrees of freedom 
# Null hypothesis probability =   3.380017e-01
 
Photon flux (15-150 keV)    in 64 sec: 5.31816E-02 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.17939e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 12.3356  (-3.37815  4.73591)
R^2/D10^2   : 1.35188E-02  (-0.013519   0.0292339)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.11 using 59 PHA bins.
# Reduced chi-squared =          1.037 for     57 degrees of freedom 
# Null hypothesis probability =   3.984522e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.790e-08   1.742e-08
25- 50  9.064e-08   5.283e-08
50-150  8.445e-08   5.494e-08
15-150  2.030e-07   1.285e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 108.500       (-67.1095      -111.562)
Norm        : 0.253931       (-0.0822681     0.114429)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.38 using 59 PHA bins.
# Reduced chi-squared =          1.059 for     57 degrees of freedom 
# Null hypothesis probability =   3.548289e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.682e-08   2.280e-08
25- 50  7.074e-08   4.291e-08
50-150  1.546e-07   9.382e-08
15-150  2.622e-07   1.626e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.53374        (-6.49381      -6.49381)
R1^2/D10^2  : 4.50880E-02        (-0.0457048      -0.0457048)
kT2 [keV]   : 15.1731        (-15.0788      -15.0788)
R2^2/D10^2  : 5.07807E-03    (-0.00524814   0.0334343)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.67 using 59 PHA bins.
# Reduced chi-squared =          1.067 for     55 degrees of freedom 
# Null hypothesis probability =   3.424074e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.395e-08   2.674e-08
25- 50  8.465e-08   5.334e-08
50-150  1.017e-07   7.373e-08
15-150  2.203e-07   1.406e-07

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.64364     ( -0.485604   0.52423 )
Norm@50keV  : 4.31009E-04    ( -0.000149   0.000145191 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.39 using 59 PHA bins.
# Reduced chi-squared =          1.077 for     57 degrees of freedom 
# Null hypothesis probability =   3.217240e-01
 
Photon flux (15-150 keV)    in 64 sec: 5.61607E-02 ( -0.0172638  0.0172711 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.56799e-07 ( -9.05786e-08  9.57427e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.497471     ( -4.0034   2.24214 )
Epeak [keV] : 50.3297      ( -15.5523 -50.366 )
Norm@50keV  : 6.79779E-03    ( -0.00685213   1.29499 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.79 using 59 PHA bins.
# Reduced chi-squared =          1.050 for     56 degrees of freedom 
# Null hypothesis probability =   3.736826e-01
 
Photon flux (15-150 keV)    in 64 sec: 5.31530E-02 ( -0.0169816  0.0173058 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.17987e-07 ( -7.88314e-08  9.8583e-08 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.440933   ( -1.80662   4.09992 )
beta        : -9.37167    ( 9.37167   19.3716 )
Epeak [keV] : 50.8368      ( -50.8288 200.263 )
Norm@50keV   : 6.17631E-03    ( -0.00631835   7.54342 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.80 using 59 PHA bins.
# Reduced chi-squared =          1.069 for     55 degrees of freedom 
# Null hypothesis probability =   3.380017e-01
 
Photon flux (15-150 keV)    in 64 sec: 5.31816E-02 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.17939e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 12.3356  (-3.37815  4.73591)
R^2/D10^2   : 1.35188E-02  (-0.013519   0.0292339)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.11 using 59 PHA bins.
# Reduced chi-squared =          1.037 for     57 degrees of freedom 
# Null hypothesis probability =   3.984522e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.790e-08   1.749e-08
25- 50  9.064e-08   5.565e-08
50-150  8.445e-08   5.904e-08
15-150  2.030e-07   1.206e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 108.500       (-67.1095      -111.562)
Norm        : 0.253931       (-0.0822681     0.114429)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.38 using 59 PHA bins.
# Reduced chi-squared =          1.059 for     57 degrees of freedom 
# Null hypothesis probability =   3.548289e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.682e-08   2.218e-08
25- 50  7.074e-08   4.317e-08
50-150  1.546e-07   9.549e-08
15-150  2.622e-07   1.549e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.53374        (-6.49381      -6.49381)
R1^2/D10^2  : 4.50880E-02        (-0.0457048      -0.0457048)
kT2 [keV]   : 15.1731        (-15.0788      -15.0788)
R2^2/D10^2  : 5.07807E-03    (-0.00524814   0.0334343)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.67 using 59 PHA bins.
# Reduced chi-squared =          1.067 for     55 degrees of freedom 
# Null hypothesis probability =   3.424074e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.395e-08   2.134e-08
25- 50  8.465e-08   5.344e-08
50-150  1.017e-07   7.578e-08
15-150  2.203e-07   1.461e-07
Plot creation:
Mon Oct 24 21:46:42 EDT 2016