batgrbproduct Analysis for Trigger=552383

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Apr  3 12:41:10 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger552383/batgroup_hand_proc
======================================================================

  Trigger: 00552383      Segment: 000

  BAT Trigger Time: 386359864   [s; MET]
      Trigger Stop: 386360184   [s; MET]
               UTC: 2013-03-30T18:10:53.616620    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 136.039178964341   Dec: -40.9499074997959  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    7.71
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.71

  Flight Position:   [ source = BAT ]
    RA: 136.039178964341   Dec: -40.9499074997959  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 136.07023446747   Dec: -40.9972056709494  [deg; J2000]  
        { 09h 04m 16.9s , -40d 59' 49.9" }
         +/- 5.81946718839616 [arcmin] (estimated 90% radius based on SNR)
         +/- 3.44104185507031 [arcmin] (formal 1-sigma fit error)
    SNR: 2.45712957993733
 
  Angular difference between Flight and Ground position is 3.167461 arcmin
 
  Partial Coding Fraction: 0.2167969    [ including projection effects ]

  Duration
     T90: 320 +/- 
        Measured from: 0
                   to: 320     [s; relative to TRIGTIME]
     T50: 320 +/- 
        Measured from: 0
                   to: 320     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 320 second)
        Measured from: 0     
                   to: 320     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 320     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.727435   0.337459  -0.020139  -0.174189
           0.151518   0.149607   0.130778   0.115629 [error]
 Peak      0.727435   0.337459  -0.020139  -0.174189
           0.151518   0.149607   0.130778   0.115629 [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 3.05e-07 1.90e-07 7.64e-08 4.14e-08 5.93e-07 6.14e-07   erg/cm2
              Error 9.53e-08 8.51e-08 8.12e-08 7.81e-08 2.17e-07 2.49e-07   erg/cm2
Peak flux Power-law 8.31e-02 2.93e-02 5.88e-03 1.40e-03 1.19e-01 1.20e-01   ph/cm2/s
              Error 2.64e-02 1.25e-02 6.11e-03 2.45e-03 3.55e-02 3.58e-02   ph/cm2/s
 
Fluence   Cutoff-PL 3.15e-07 2.08e-07 1.60e-08 4.24e-11 5.39e-07 5.39e-07   erg/cm2
              Error 1.08e-07 1.63e-07 6.15e-08 3.52e-08 1.91e-07 1.92e-07   erg/cm2
Peak flux Cutoff-PL 8.39e-02 3.31e-02 1.41e-03 2.00e-06 1.18e-01 1.18e-01   ph/cm2/s
              Error 2.94e-02 2.51e-02 4.74e-03 1.31e-03 3.46e-02 3.46e-02   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    3.312    0.806    -      -           3.42e-04 2.35e-04    0.000 57
CPL   1.000    0.000      50.0    0.0      1.90e-03 0.00e+00    0.000 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    3.312    0.806    -      -           3.42e-04 2.35e-04    0.000 57
CPL   1.000    0.000      50.0    0.0      1.90e-03 0.00e+00    0.000 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  320.000    0.000  320.000
T90   320.000    0.000  320.000
T50   320.000    0.000  320.000
Peak  320.000    0.000  320.000

Image

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

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  136.0702   -40.9972   0.0781    51.2737  -175.5683         0.7828702      2.457 TRIG_00552383                 
 
Foreground time interval of the image:
  0.000 123.056 (delta_t = 123.056 [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  123.056 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.31250     ( -0.686139   0.925713 )
Norm@50keV  : 3.42104E-04    ( -0.000208646   0.000262256 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          32.61 using 59 PHA bins.
# Reduced chi-squared =         0.5721 for     57 degrees of freedom 
# Null hypothesis probability =   9.961214e-01
 
Photon flux (15-150 keV)    in 123.1 sec: 0.119122 ( -0.0353837  0.0356286 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.92905e-07 ( -2.04922e-07  2.29338e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to  123.056 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 1.90362E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.69 using 59 PHA bins.
# Reduced chi-squared =         0.8159 for     56 degrees of freedom 
# Null hypothesis probability =   8.357546e-01
 
Photon flux (15-150 keV)    in 123.1 sec: 0.118392 ( -0.0344195  0.03475 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.38673e-07 ( -1.74475e-07  2.08446e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to  123.056 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.95946   ( -4.95946   -4.95946 )
beta        : -4.09478    ( 4.09478   1.19086 )
Epeak [keV] : 18.4201      ( -18.4201 5.47606 )
Norm@50keV   : 1579.35    ( -451.445   6.14989e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          30.55 using 59 PHA bins.
# Reduced chi-squared =         0.5554 for     55 degrees of freedom 
# Null hypothesis probability =   9.969514e-01
 
Photon flux (15-150 keV)    in 123.1 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]    : 4.88750  (-1.28412  1.76718)
R^2/D10^2   : 1.16239  (-1.16247   4.19888)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          30.75 using 59 PHA bins.
# Reduced chi-squared =         0.5395 for     57 degrees of freedom 
# Null hypothesis probability =   9.982652e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.174e-07   1.875e-07
25- 50  1.959e-07   1.273e-07
50-150  7.126e-09   7.460e-09
15-150  5.205e-07   3.171e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 14.7213       (-6.30036      11.8841)
Norm        : 2.23846       (-1.24285     3.54674)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          30.87 using 59 PHA bins.
# Reduced chi-squared =         0.5415 for     57 degrees of freedom 
# Null hypothesis probability =   9.981705e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.131e-07   1.847e-07
25- 50  2.095e-07   1.347e-07
50-150  3.554e-08   3.556e-08
15-150  5.582e-07   3.469e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.02373        (-4.01095      -4.01095)
R1^2/D10^2  : 2.10141        (-2.13326      -2.13326)
kT2 [keV]   : 7.45844        (-7.37512      -7.37512)
R2^2/D10^2  : 6.48014E-02    (-0.0717142   4.9427)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          30.54 using 59 PHA bins.
# Reduced chi-squared =         0.5552 for     55 degrees of freedom 
# Null hypothesis probability =   9.969685e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.179e-07   3.599e-07
25- 50  2.059e-07   2.038e-07
50-150  2.538e-08   3.410e-08
15-150  5.491e-07   4.934e-07

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to  123.056 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.31250     ( -0.686139   0.925713 )
Norm@50keV  : 3.42104E-04    ( -0.000208646   0.000262256 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          32.61 using 59 PHA bins.
# Reduced chi-squared =         0.5721 for     57 degrees of freedom 
# Null hypothesis probability =   9.961214e-01
 
Photon flux (15-150 keV)    in 123.1 sec: 0.119122 ( -0.0353837  0.0356286 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.92905e-07 ( -2.04922e-07  2.29338e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to  123.056 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 1.90362E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.69 using 59 PHA bins.
# Reduced chi-squared =         0.8159 for     56 degrees of freedom 
# Null hypothesis probability =   8.357546e-01
 
Photon flux (15-150 keV)    in 123.1 sec: 0.118392 ( -0.0344195  0.03475 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.38673e-07 ( -1.74475e-07  2.08446e-07 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to  123.056 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.95946   ( -4.95946   -4.95946 )
beta        : -4.09478    ( 4.09478   1.19086 )
Epeak [keV] : 18.4201      ( -18.4201 5.47606 )
Norm@50keV   : 1579.35    ( -451.445   6.14989e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          30.55 using 59 PHA bins.
# Reduced chi-squared =         0.5554 for     55 degrees of freedom 
# Null hypothesis probability =   9.969514e-01
 
Photon flux (15-150 keV)    in 123.1 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]    : 4.88750  (-1.28412  1.76718)
R^2/D10^2   : 1.16239  (-1.16247   4.19888)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          30.75 using 59 PHA bins.
# Reduced chi-squared =         0.5395 for     57 degrees of freedom 
# Null hypothesis probability =   9.982652e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.174e-07   1.891e-07
25- 50  1.959e-07   1.214e-07
50-150  7.126e-09   6.746e-09
15-150  5.205e-07   3.175e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 14.7213       (-6.30036      11.8841)
Norm        : 2.23846       (-1.24285     3.54674)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          30.87 using 59 PHA bins.
# Reduced chi-squared =         0.5415 for     57 degrees of freedom 
# Null hypothesis probability =   9.981705e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.131e-07   1.853e-07
25- 50  2.095e-07   1.318e-07
50-150  3.554e-08   3.338e-08
15-150  5.582e-07   3.470e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.02373        (-4.01095      -4.01095)
R1^2/D10^2  : 2.10141        (-2.13326      -2.13326)
kT2 [keV]   : 7.45844        (-7.37512      -7.37512)
R2^2/D10^2  : 6.48014E-02    (-0.0717142   4.9427)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          30.54 using 59 PHA bins.
# Reduced chi-squared =         0.5552 for     55 degrees of freedom 
# Null hypothesis probability =   9.969685e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.179e-07   2.440e-07
25- 50  2.059e-07   1.870e-07
50-150  2.538e-08   5.293e-08
15-150  5.491e-07   6.795e-07
Plot creation:
Wed Apr  3 12:53:06 EDT 2013