batgrbproduct Analysis for Trigger=575754

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Oct 24 22:03:30 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger575754/GCN5_download_cron
======================================================================

  Trigger: 00575754      Segment: 000

  BAT Trigger Time: 404343342.592   [s; MET]
      Trigger Stop: 404343346.688   [s; MET]
               UTC: 2013-10-24T21:35:31.401340    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 144.402931552422   Dec: 44.2397294748877  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.93
     Image Trigger?:     NO
     Rate S/N Ratio:     10.770329614269  [ if not an image trigger ]
     Image S/N Ratio:    6.93

  Flight Position:   [ source = BAT ]
    RA: 144.402931552422   Dec: 44.2397294748877  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 144.463555016745   Dec: 44.2839103905195  [deg; J2000]  
        { 09h 37m 51.3s , +44d 17' 02.1" }
         +/- 2.11163239931885 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.841245613917659 [arcmin] (formal 1-sigma fit error)
    SNR: 10.4562974066937
 
  Angular difference between Flight and Ground position is 3.716563 arcmin
 
  Partial Coding Fraction: 0.40625    [ including projection effects ]

  Duration
     T90: 64 +/- 22.6274169979695
        Measured from: -12.5919998884201
                   to: 51.4080001115799     [s; relative to TRIGTIME]
     T50: 32 +/- 16
        Measured from: 3.4080001115799
                   to: 35.4080001115799     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 10.9079999923706     
                   to: 11.9079999923706     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -12.5920000076294     
                   to: 51.4079999923706     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.284387   0.371759   0.687883   0.198164
           0.065547   0.069065   0.062951   0.058589 [error]
 Peak      0.003697  -0.002551   0.006159   0.002525
           0.008427   0.008457   0.007764   0.007420 [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 7.18e-08 1.97e-07 4.38e-07 2.58e-06 1.18e-06 3.28e-06   erg/cm2
              Error 2.06e-08 3.40e-08 5.77e-08 8.07e-07 1.57e-07 8.25e-07   erg/cm2
Peak flux Power-law 1.47e-03 7.36e-03 3.17e-02 5.35e-01 9.61e-02 5.76e-01   ph/cm2/s
              Error 3.47e-02 3.67e-02 4.80e-02 7.17e-01 1.32e-01 7.45e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.29e-08 2.01e-07 4.84e-07 9.76e-07 1.14e-06 1.71e-06   erg/cm2
              Error 2.71e-08 3.89e-08 7.68e-08 1.17e-06 1.68e-07 1.08e-06   erg/cm2
Peak flux Cutoff-PL 7.04e-04 5.54e-03 3.26e-02 3.71e-01 9.87e-02 3.57e-01   ph/cm2/s
              Error 3.45e-02 3.66e-02 6.57e-02 9.58e-01 1.31e-01 2.05e+00   ph/cm2/s
 
Fluence        Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.848    0.229    -      -           1.61e-03 2.18e-04   50.600 57
CPL  -0.122    1.216     135.3  -45.2      3.97e-03 5.73e-03   48.030 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -1.141    0.000    -      -           3.89e-04 1.12e-03   35.530 57
CPL  -1.833    0.000     587.9    0.0      4.97e-04 2.63e-01   35.520 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: 56.000000 sec.
T50 in the 50-300 keV band: 26.624000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   64.000  -12.592   51.408
T90    64.000  -12.592   51.408
T50    32.000    3.408   35.408
Peak    1.000   10.908   11.908

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  144.4636 +44.2839 0.0183   28.3   82.7       1.9750    10.5  TRIG_00575754       
------------------------------------------
 
Foreground time interval of the image:
-12.592  47.609 (delta_t =  60.201 [sec])
Background time interval of the image:
-60.592 -12.592 (delta_t =  48.000 [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  -12.592 sec. to   51.408 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.848099     ( -0.235642   0.222159 )
Norm@50keV  : 1.61180E-03    ( -0.000219671   0.000216335 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.60 using 59 PHA bins.
# Reduced chi-squared =         0.8878 for     57 degrees of freedom 
# Null hypothesis probability =   7.122639e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.185024 ( -0.0246789  0.0248531 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.18173e-06 ( -1.56218e-07  1.56933e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -12.592 sec. to   51.408 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.121774     ( -1.41231   1.01997 )
Epeak [keV] : 135.346      ( -44.9246 -135.345 )
Norm@50keV  : 3.96567E-03    ( -0.00241985   0.00904497 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.03 using 59 PHA bins.
# Reduced chi-squared =         0.8577 for     56 degrees of freedom 
# Null hypothesis probability =   7.668009e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.176530 ( -0.026581  0.02653 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.13789e-06 ( -1.69075e-07  1.67034e-07 ) ergs/cm2
 
Band function
Time interval is from  -12.592 sec. to   51.408 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.120473   ( -0.941217   1.20748 )
beta        : -10.0000    ( 10   3.55271e-15 )
Epeak [keV] : 135.423      ( -75.8228 337.549 )
Norm@50keV   : 3.96152E-03    ( -0.00239225   0.00904785 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.03 using 59 PHA bins.
# Reduced chi-squared =         0.8733 for     55 degrees of freedom 
# Null hypothesis probability =   7.358664e-01
 
Photon flux (15-150 keV)    in 64 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]    : 24.8977  (-3.70017  4.87587)
R^2/D10^2   : 4.74769E-03  (-0.00198765   0.00309421)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.07 using 59 PHA bins.
# Reduced chi-squared =         0.8783 for     57 degrees of freedom 
# Null hypothesis probability =   7.306282e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.279e-08   8.787e-09
25- 50  1.856e-07   4.275e-08
50-150  8.538e-07   1.946e-07
15-150  1.072e-06   2.128e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 0.761756       (-0.104042     0.104031)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.96 using 59 PHA bins.
# Reduced chi-squared =          1.350 for     57 degrees of freedom 
# Null hypothesis probability =   4.020823e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.213e-07   6.858e-08
25- 50  2.334e-07   1.310e-07
50-150  5.119e-07   2.868e-07
15-150  8.666e-07   4.854e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.05945        (-5.05945      -5.05945)
R1^2/D10^2  : 0.217308        (-0.217308      2.75357)
kT2 [keV]   : 27.2409        (-4.86958      170.334)
R2^2/D10^2  : 3.48155E-03    (-0.00348155   0.00280154)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.41 using 59 PHA bins.
# Reduced chi-squared =         0.8619 for     55 degrees of freedom 
# Null hypothesis probability =   7.567665e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.285e-08   3.244e-08
25- 50  1.859e-07   6.496e-08
50-150  8.774e-07   2.925e-07
15-150  1.126e-06   3.726e-07

Peak spectrum fit

Power-law model
Time interval is from   10.908 sec. to   11.908 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.14106     ( 1.07839   1.07839 )
Norm@50keV  : 3.89289E-04    ( -0.000397094   0.00183929 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          35.53 using 59 PHA bins.
# Reduced chi-squared =         0.6234 for     57 degrees of freedom 
# Null hypothesis probability =   9.885183e-01
 
Photon flux (15-150 keV)    in 1 sec: 9.60746E-02 ( -0.0960581  0.167362 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.57617e-08 ( -1.57617e-08  1.99717e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   10.908 sec. to   11.908 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.83269     ( 1.87925   1.87925 )
Epeak [keV] : 587.899      ( -531.502 -531.502 )
Norm@50keV  : 4.97150E-04    ( -0.000522882   0.525715 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          35.52 using 59 PHA bins.
# Reduced chi-squared =         0.6343 for     56 degrees of freedom 
# Null hypothesis probability =   9.851566e-01
 
Photon flux (15-150 keV)    in 1 sec: 9.86939E-02 ( -0.0986939  0.16387 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.62082e-08 ( -1.62082e-08  2.12847e-08 ) ergs/cm2
 
Band function
Time interval is from   10.908 sec. to   11.908 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.191460   ( -0.159905   -0.159905 )
beta        : 1.12298    ( -1.11873   -1.11873 )
Epeak [keV] : 14.3916      ( -14.5674 -14.5674 )
Norm@50keV   : 8.37513E-04    ( -0.000840528   208.404 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          35.53 using 59 PHA bins.
# Reduced chi-squared =         0.6461 for     55 degrees of freedom 
# Null hypothesis probability =   9.807625e-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]    : 2.32506  (-5  -5)
R^2/D10^2   : 6.44310  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.47 using 59 PHA bins.
# Reduced chi-squared =         0.6574 for     57 degrees of freedom 
# Null hypothesis probability =   9.787510e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.311       (      )
Norm        : 0.185047       (-0.266737     0.820699)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.23 using 59 PHA bins.
# Reduced chi-squared =         0.6532 for     57 degrees of freedom 
# Null hypothesis probability =   9.802410e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.482e-10   0.000e+00
25- 50  1.663e-11   0.000e+00
50-150  2.016e-14   0.000e+00
15-150  2.648e-10   0.000e+00
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.20328        (-2.20302      -2.20302)
R1^2/D10^2  : 11.3766        (-11.3777      -11.3777)
kT2 [keV]   : 199.363        (-199.363      -199.363)
R2^2/D10^2  : 5.96944E-05    (-5.98585e-05   -5.98585e-05)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          35.54 using 59 PHA bins.
# Reduced chi-squared =         0.6461 for     55 degrees of freedom 
# Null hypothesis probability =   9.807377e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.131e-10   3.127e-11
25- 50  6.593e-10   1.481e-10
50-150  1.581e-08   3.221e-09
15-150  1.678e-08   4.571e-09
Plot creation:
Thu Oct 24 22:16:39 EDT 2013