batgrbproduct Analysis for Trigger=559642

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jul  3 08:07:42 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger559642/batgroup_hand_proc
======================================================================

  Trigger: 00559642      Segment: 000

  BAT Trigger Time: 394445456   [s; MET]
      Trigger Stop: 394445520   [s; MET]
               UTC: 2013-07-02T08:10:45.257980    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 130.213125900579   Dec: -45.0658835153272  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    7.16
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.16

  Flight Position:   [ source = BAT ]
    RA: 130.213125900579   Dec: -45.0658835153272  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 130.183770911454   Dec: -45.0156425731937  [deg; J2000]  
        { 08h 40m 44.1s , -45d 00' 56.3" }
         +/- 3.18964795013421 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.58673251791683 [arcmin] (formal 1-sigma fit error)
    SNR: 5.80077309621852
 
  Angular difference between Flight and Ground position is 3.261262 arcmin
 
  Partial Coding Fraction: 0.546875    [ including projection effects ]

  Duration
     T90: 512 +/- 93.2952303175248
        Measured from: -47
                   to: 465     [s; relative to TRIGTIME]
     T50: 288 +/- 80
        Measured from: 49
                   to: 337     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 472.5     
                   to: 473.5     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -79     
                   to: 497     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.687876   1.980476   0.443249   0.097846
           0.207396   0.205026   0.189248   0.197647 [error]
 Peak     -0.003181   0.009235   0.006618  -0.002023
           0.006447   0.006441   0.005790   0.005854 [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 7.91e-07 8.11e-07 5.86e-07 6.79e-07 2.45e-06 2.87e-06   erg/cm2
              Error 1.05e-07 1.04e-07 1.48e-07 3.16e-07 3.49e-07 5.37e-07   erg/cm2
Peak flux Power-law 5.16e-02 3.95e-02 2.02e-02 1.49e-02 1.18e-01 1.26e-01   ph/cm2/s
              Error 7.20e-02 4.54e-02 3.26e-02 2.18e-01 1.35e-01 2.23e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.70e-07 9.27e-07 3.76e-07 3.66e-08 2.11e-06 2.11e-06   erg/cm2
              Error 1.14e-07 1.35e-07 2.02e-07 1.26e-07 3.37e-07 3.62e-07   erg/cm2
Peak flux Cutoff-PL 3.89e-02 7.17e-02 2.21e-03 1.29e-08 1.13e-01 1.13e-01   ph/cm2/s
              Error 6.29e-02 7.52e-02 3.49e-02 9.55e-03 1.16e-01 1.16e-01   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    2.469    0.237    -      -           4.30e-04 8.00e-05   64.040 57
CPL   0.834    1.214      23.2    0.0      5.28e-03 0.00e+00   57.830 56
 
The chi2 of BB fit is Chi-Squared Chi-Squared which shows a significant improvement in the fit over a PL.
Check the BB fit.
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   10.000    0.000    -      -           1.31e-07 0.00e+00   49.570 57
CPL  -1.826    0.000      38.6    0.0      1.49e-01 0.00e+00   49.450 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  576.000  -79.000  497.000
T90   512.000  -47.000  465.000
T50   288.000   49.000  337.000
Peak    1.000  472.500  473.500

Image

Pre-slew 15.0-350.0 keV image (Event data)

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  130.1838   -45.0156   0.0331    24.4232    63.9003         1.1035358      5.801 TRIG_00559642                 
 
Foreground time interval of the image:
-18.499  72.901 (delta_t =  91.400 [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  -79.000 sec. to  497.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.46866     ( -0.227462   0.245609 )
Norm@50keV  : 4.29517E-04    ( -7.96207e-05   8.03541e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.04 using 59 PHA bins.
# Reduced chi-squared =          1.123 for     57 degrees of freedom 
# Null hypothesis probability =   2.433044e-01
 
Photon flux (15-150 keV)    in 576 sec: 8.27833E-02 ( -0.00911929  0.00912247 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.45374e-06 ( -3.41444e-07  3.57371e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -79.000 sec. to  497.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.834449     ( -1.52408   0.90484 )
Epeak [keV] : 23.1826      (   )
Norm@50keV  : 5.27575E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.83 using 59 PHA bins.
# Reduced chi-squared =          1.033 for     56 degrees of freedom 
# Null hypothesis probability =   4.073935e-01
 
Photon flux (15-150 keV)    in 576 sec: 7.96964E-02 ( -0.0045558  0.009097 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.10547e-06 ( -3.06369e-07  3.67615e-07 ) ergs/cm2
 
Band function
Time interval is from  -79.000 sec. to  497.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -6.69311   -5 )
beta        : -2.83996    ( -0.439869   0.342262 )
Epeak [keV] : 21.0075      ( -3.00535 2.53882 )
Norm@50keV   : 364.530    ( -39.3644   706.263 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.45 using 59 PHA bins.
# Reduced chi-squared =          1.026 for     55 degrees of freedom 
# Null hypothesis probability =   4.205437e-01
 
Photon flux (15-150 keV)    in 576 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]    : 6.94852  (-0.827064  0.93523)
R^2/D10^2   : 0.162200  (-0.0663635   0.114963)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.26 using 59 PHA bins.
# Reduced chi-squared =          1.127 for     57 degrees of freedom 
# Null hypothesis probability =   2.373659e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.191e-07   1.453e-07
25- 50  9.707e-07   1.662e-07
50-150  1.566e-07   6.621e-08
15-150  1.846e-06   3.050e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 30.2174       (-6.88567      9.80292)
Norm        : 0.664922       (-0.14158     0.190571)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.26 using 59 PHA bins.
# Reduced chi-squared =          1.022 for     57 degrees of freedom 
# Null hypothesis probability =   4.289217e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.824e-07   1.155e-07
25- 50  8.975e-07   1.325e-07
50-150  4.962e-07   1.903e-07
15-150  2.176e-06   3.522e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.41139        (-1.51      1.6812)
R1^2/D10^2  : 0.682386        (-0.454552      2.82478)
kT2 [keV]   : 10.9004        (-8.0057      8.00486)
R2^2/D10^2  : 1.59312E-02    (-0.0148117   0.0633068)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.65 using 59 PHA bins.
# Reduced chi-squared =          1.030 for     55 degrees of freedom 
# Null hypothesis probability =   4.130856e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.907e-07   4.188e-07
25- 50  9.021e-07   4.654e-07
50-150  4.292e-07   2.581e-07
15-150  2.122e-06   1.057e-06

Peak spectrum fit

Power-law model
Time interval is from  472.500 sec. to  473.500 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 10.0000     (     )
Norm@50keV  : 1.30612E-07    ( -1.30618e-07   -1.30618e-07 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.57 using 59 PHA bins.
# Reduced chi-squared =         0.8697 for     57 degrees of freedom 
# Null hypothesis probability =   7.470904e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.118127 ( -0.118127  0.15239 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.36185e-09 ( -7.36184e-09  1.30022e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  472.500 sec. to  473.500 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.82639     (     )
Epeak [keV] : 38.6047      ( -42.4857 -42.4857 )
Norm@50keV  : 0.149066    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.45 using 59 PHA bins.
# Reduced chi-squared =         0.8831 for     56 degrees of freedom 
# Null hypothesis probability =   7.193950e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.112785 ( -0.112785  0.119275 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.27245e-17 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from  472.500 sec. to  473.500 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.74699   ( -4.74699   -4.74699 )
beta        : -9.19736    ( 9.19736   9.19736 )
Epeak [keV] : 42.5051      (   )
Norm@50keV   : 3.74802    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.57 using 59 PHA bins.
# Reduced chi-squared =         0.9013 for     55 degrees of freedom 
# Null hypothesis probability =   6.813811e-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]    : 0.941224  (-9.80174  -9.80174)
R^2/D10^2   : 7.48900E+05  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.02 using 59 PHA bins.
# Reduced chi-squared =         0.8599 for     57 degrees of freedom 
# Null hypothesis probability =   7.650569e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.301e-09   1.172e-09
25- 50  3.145e-09   2.509e-09
50-150  1.548e-09   1.785e-09
15-150  5.994e-09   5.070e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 1.17503       (-66.9933      -66.9933)
Norm        : 2.23283E+05       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.99 using 59 PHA bins.
# Reduced chi-squared =         0.8595 for     57 degrees of freedom 
# Null hypothesis probability =   7.658863e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.572e-09   1.160e-09
25- 50  2.452e-09   2.242e-09
50-150  2.980e-09   4.048e-09
15-150  7.004e-09   7.830e-09
Double BB
R1^2/D10^2  : 8.91497E+08        (      )
kT2 [keV]   : 12.5464        (-12.511      -12.511)
R2^2/D10^2  : 2.25898E-02    (   )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.69 using 59 PHA bins.
#Fit statistic : Chi-Squared =          47.47 using 59 PHA bins.
#Fit statistic : Chi-Squared =          47.39 using 59 PHA bins.
# Reduced chi-squared =         0.8672 for     55 degrees of freedom 
# Reduced chi-squared =         0.8631 for     55 degrees of freedom 
# Reduced chi-squared =         0.8617 for     55 degrees of freedom 
# Null hypothesis probability =   7.472054e-01
# Null hypothesis probability =   7.546533e-01
# Null hypothesis probability =   7.571440e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.196e-09   6.505e-10
25- 50  2.496e-09   2.018e-09
50-150  2.472e-09   3.735e-09
15-150  6.165e-09   4.285e-09
Plot creation:
Wed Jul  3 08:38:52 EDT 2013