batgrbproduct Analysis for Trigger=533268

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Sep 11 19:40:16 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger533268/GCN5_download_cron
======================================================================

  Trigger: 00533268      Segment: 000

  BAT Trigger Time: 369040123.392   [s; MET]
      Trigger Stop: 369040124.416   [s; MET]
               UTC: 2012-09-11T07:08:33.754960    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 357.960763192049   Dec: 63.0987077305092  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.79
     Image Trigger?:     NO
     Rate S/N Ratio:     20.7846096908265  [ if not an image trigger ]
     Image S/N Ratio:    11.79

  Flight Position:   [ source = BAT ]
    RA: 357.960763192049   Dec: 63.0987077305092  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 357.966555517108   Dec: 63.0904405527618  [deg; J2000]  
        { 23h 51m 52.0s , +63d 05' 25.6" }
         +/- 1.56161853267149 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.875737735557045 [arcmin] (formal 1-sigma fit error)
    SNR: 16.0909887373654
 
  Angular difference between Flight and Ground position is 0.520365 arcmin
 
  Partial Coding Fraction: 0.2363281    [ including projection effects ]

  Duration
     T90: 21.4439999461174 +/- 3.90618173445525
        Measured from: -1.17999988794327
                   to: 20.2640000581741     [s; relative to TRIGTIME]
     T50: 5.77999997138977 +/- 7.82722961209613
        Measured from: 0.448000073432922
                   to: 6.22800004482269     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.300000011920929     
                   to: 0.699999988079071     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.84400004148483     
                   to: 24.0999999642372     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.544040   0.803711   0.379571   0.209477
           0.056395   0.058065   0.050625   0.042694 [error]
 Peak      0.079044   0.160952   0.075832   0.021439
           0.012887   0.014402   0.011691   0.008434 [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 1.83e-07 2.95e-07 3.60e-07 8.63e-07 1.08e-06 1.70e-06   erg/cm2
              Error 2.60e-08 2.73e-08 4.80e-08 2.35e-07 1.14e-07 2.80e-07   erg/cm2
Peak flux Power-law 9.68e-01 9.00e-01 5.80e-01 5.77e-01 2.69e+00 3.03e+00   ph/cm2/s
              Error 1.78e-01 1.12e-01 8.74e-02 1.64e-01 3.28e-01 3.64e-01   ph/cm2/s
 
Fluence   Cutoff-PL 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 Cutoff-PL 7.81e-01 1.12e+00 6.12e-01 9.51e-02 2.60e+00 2.61e+00   ph/cm2/s
              Error 2.13e-01 1.77e-01 1.20e-01 3.38e-01 3.49e-01 0.00e+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    1.713    0.159    -      -           4.52e-03 4.53e-04   57.430 57
CPL   1.064    0.798      63.9  -23.7      1.04e-02 1.43e-02   55.080 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.634    0.182    -      -           2.07e-02 2.57e-03   75.090 57
CPL  -0.278    1.366      52.9   12.9      2.38e-01 9.06e-01   65.590 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: 4.160000 sec.
T50 in the 50-300 keV band: 2.112000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   25.944   -1.844   24.100
T90    21.444   -1.180   20.264
T50     5.780    0.448    6.228
Peak    1.000   -0.300    0.700

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  357.9666 +63.0904 0.0120   34.1   99.9       2.0007    16.1  TRIG_00533268       
------------------------------------------
 
Foreground time interval of the image:
 -1.844  24.100 (delta_t =  25.944 [sec])
Background time interval of the image:
-85.991  -1.844 (delta_t =  84.147 [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   -1.844 sec. to   24.100 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.71310     ( -0.157382   0.160886 )
Norm@50keV  : 4.51852E-03    ( -0.000455698   0.000450465 )
------------------------------------------------------------
# Chi-Squared =          57.43 using 59 PHA bins.
# Reduced chi-squared =          1.008 for     57 degrees of freedom 
# Null hypothesis probability =   4.591980e-01
 
Photon flux (15-150 keV)    in 25.94 sec: 0.602883 ( -0.0561298  0.0561762 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.08414e-06 ( -1.13596e-07  1.14849e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -1.844 sec. to   24.100 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.06413     ( -0.895186   0.699996 )
Epeak [keV] : 63.8871      ( -16.552 -63.9219 )
Norm@50keV  : 1.03794E-02    ( -0.00600709   0.0225984 )
------------------------------------------------------------
# Chi-Squared =          55.08 using 59 PHA bins.
# Reduced chi-squared =         0.9835 for     56 degrees of freedom 
# Null hypothesis probability =   5.097698e-01
 
Photon flux (15-150 keV)    in 25.94 sec: 0.588757 ( -0.05873  0.058477 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   -1.844 sec. to   24.100 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.18713   ( -1.3689   -0.157875 )
beta        : -2.04761    ( -0.630608   0.355412 )
Epeak [keV] : 35.4407      ( -15.1018 25.5267 )
Norm@50keV   : 0.352658    ( -0.369496   99.7361 )
------------------------------------------------------------
# Chi-Squared =          51.03 using 59 PHA bins.
# Reduced chi-squared =         0.9277 for     55 degrees of freedom 
# Null hypothesis probability =   6.271844e-01
 
Photon flux (15-150 keV)    in 25.94 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]    : 11.4875  (-1.16144  1.3284)
R^2/D10^2   : 0.174716  (-0.0586943   0.0854258)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          70.32 using 59 PHA bins.
# Reduced chi-squared =          1.234 for     57 degrees of freedom 
# Null hypothesis probability =   1.106334e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.259e-07   2.036e-08
25- 50  3.759e-07   4.345e-08
50-150  2.894e-07   6.864e-08
15-150  7.912e-07   9.455e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 116.021       (-19.3942      84.9116)
Norm        : 2.59844       (-0.300476     0.358338)
------------------------------------------------------------
# Chi-Squared =          55.17 using 59 PHA bins.
# Reduced chi-squared =         0.9679 for     57 degrees of freedom 
# Null hypothesis probability =   5.441192e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.758e-07   2.218e-08
25- 50  3.126e-07   3.178e-08
50-150  5.486e-07   8.573e-08
15-150  1.037e-06   1.219e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.06149        (-1.72251      1.37461)
R1^2/D10^2  : 0.359191        (-0.126048      0.248578)
kT2 [keV]   : 51.2305        (-55.0877      -83.0867)
R2^2/D10^2  : 6.10599E-04    (-0.000190644   0.00382257)
------------------------------------------------------------
# Chi-Squared =          48.89 using 59 PHA bins.
# Reduced chi-squared =         0.8890 for     55 degrees of freedom 
# Null hypothesis probability =   7.057380e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.539e-07   3.424e-08
25- 50  3.535e-07   8.707e-08
50-150  5.299e-07   2.701e-07
15-150  1.037e-06   3.424e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.300 sec. to    0.700 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.63372     ( -0.180563   0.18303 )
Norm@50keV  : 2.06926E-02    ( -0.00257974   0.00256416 )
------------------------------------------------------------
# Chi-Squared =          75.09 using 59 PHA bins.
# Reduced chi-squared =          1.317 for     57 degrees of freedom 
# Null hypothesis probability =   5.445314e-02
 
Photon flux (15-150 keV)    in 1 sec: 2.68760 ( -0.327929  0.328308 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.92777e-07 ( -2.51181e-08  2.52932e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.300 sec. to    0.700 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.278055     ( -1.58263   1.14988 )
Epeak [keV] : 52.8879      ( -8.04023 17.7444 )
Norm@50keV  : 0.238317    ( -0.239276   1.5728 )
------------------------------------------------------------
# Chi-Squared =          65.59 using 59 PHA bins.
# Reduced chi-squared =          1.171 for     56 degrees of freedom 
# Null hypothesis probability =   1.784534e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.59983 ( -0.3387  0.33644 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.64853e-07 ( -2.5273e-08  2.6937e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.300 sec. to    0.700 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.25509   ( -1.54051   -1.27773 )
beta        : -2.54356    ( -1.32485   0.575729 )
Epeak [keV] : 45.2948      ( -12.4648 11.9969 )
Norm@50keV   : 0.986200    ( -1.10163   164.403 )
------------------------------------------------------------
# Chi-Squared =          61.71 using 59 PHA bins.
# Reduced chi-squared =          1.122 for     55 degrees of freedom 
# Null hypothesis probability =   2.487572e-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]    : 12.4632  (-1.35349  1.55168)
R^2/D10^2   : 0.638029  (-0.228184   0.338393)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          67.69 using 59 PHA bins.
# Reduced chi-squared =          1.188 for     57 degrees of freedom 
# Null hypothesis probability =   1.570924e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.101e-08   4.585e-09
25- 50  6.907e-08   1.045e-08
50-150  6.611e-08   1.656e-08
15-150  1.562e-07   2.435e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 133.530       (-13.6513      -100.583)
Norm        : 11.5749       (-1.60121     1.86342)
------------------------------------------------------------
# Chi-Squared =          70.96 using 59 PHA bins.
# Reduced chi-squared =          1.245 for     57 degrees of freedom 
# Null hypothesis probability =   1.010737e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.998e-08   4.850e-09
25- 50  5.460e-08   6.795e-09
50-150  1.025e-07   1.813e-08
15-150  1.871e-07   2.380e-08
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 10.9655        (-1.37525      1.68229)
R1^2/D10^2  : 0.933039        (-0.35714      0.573985)
kT2 [keV]   : 199.836        (      )
R2^2/D10^2  : 1.90005E-04    (-8.71521e-05   0.00595728)
------------------------------------------------------------
# Chi-Squared =          58.64 using 59 PHA bins.
# Chi-Squared =          58.18 using 59 PHA bins.
# Reduced chi-squared =          1.066 for     55 degrees of freedom 
# Reduced chi-squared =          1.058 for     55 degrees of freedom 
# Null hypothesis probability =   3.433477e-01
# Null hypothesis probability =   3.590116e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.365e-08   6.445e-09
25- 50  6.776e-08   1.916e-08
50-150  9.628e-08   4.568e-08
15-150  1.877e-07   5.539e-08
Plot creation:
Tue Sep 11 20:24:09 EDT 2012