batgrbproduct Analysis for Trigger=572308

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Sep 29 23:48:45 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger572308/GCN5_download_cron
======================================================================

  Trigger: 00572308      Segment: 000

  BAT Trigger Time: 402140204.224   [s; MET]
      Trigger Stop: 402140205.248   [s; MET]
               UTC: 2013-09-29T09:36:33.134240    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 135.069036940592   Dec: -47.5650235881594  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.91
     Image Trigger?:     NO
     Rate S/N Ratio:     11.916375287813  [ if not an image trigger ]
     Image S/N Ratio:    7.91

  Flight Position:   [ source = BAT ]
    RA: 135.069036940592   Dec: -47.5650235881594  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 135.028080391519   Dec: -47.5540459889067  [deg; J2000]  
        { 09h 00m 06.7s , -47d 33' 14.6" }
         +/- 1.61182549542339 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.730262238916768 [arcmin] (formal 1-sigma fit error)
    SNR: 15.3797677947877
 
  Angular difference between Flight and Ground position is 1.784323 arcmin
 
  Partial Coding Fraction: 0.4453125    [ including projection effects ]

  Duration
     T90: 11.1040000319481 +/- 2.9843860103448
        Measured from: -1.47999984025955
                   to: 9.62400019168854     [s; relative to TRIGTIME]
     T50: 3.93600004911423 +/- 1.07569508586547
        Measured from: 0.104000151157379
                   to: 4.04000020027161     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.32400000095367     
                   to: 2.32400000095367     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.92799997329712     
                   to: 11.4960000514984     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.390731   0.521775   0.247882  -0.028026
           0.036417   0.039974   0.038758   0.040905 [error]
 Peak      0.074881   0.061959   0.037414   0.013394
           0.010391   0.011580   0.011052   0.010857 [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 1.53e-07 2.08e-07 2.09e-07 3.79e-07 6.93e-07 9.49e-07   erg/cm2
              Error 2.05e-08 2.03e-08 3.57e-08 1.27e-07 8.22e-08 1.67e-07   erg/cm2
Peak flux Power-law 7.73e-01 5.60e-01 2.68e-01 1.82e-01 1.69e+00 1.78e+00   ph/cm2/s
              Error 1.89e-01 1.01e-01 9.10e-02 1.18e-01 2.98e-01 3.25e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.40e-07 2.33e-07 1.98e-07 8.42e-08 6.31e-07 6.56e-07   erg/cm2
              Error 2.33e-08 2.81e-08 4.34e-08 1.25e-07 8.93e-08 1.45e-07   erg/cm2
Peak flux Cutoff-PL 7.79e-01 5.59e-01 2.65e-01 1.77e-01 1.69e+00 1.77e+00   ph/cm2/s
              Error 1.89e-01 1.07e-01 6.98e-02 1.32e-01 2.97e-01 3.34e-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    1.997    0.182    -      -           5.60e-03 6.96e-04   52.600 57
CPL   0.990    0.855      41.7   13.2      2.13e-02 3.38e-02   47.320 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.060    0.370    -      -           1.09e-02 2.78e-03   76.360 57
CPL   2.072    0.000      99.1    0.0      1.06e-02 0.00e+00   76.320 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: 8.576000 sec.
T50 in the 50-300 keV band: 3.584000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   13.424   -1.928   11.496
T90    11.104   -1.480    9.624
T50     3.936    0.104    4.040
Peak    1.000    1.324    2.324

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  135.0281 -47.5540 0.0125   42.6    1.7       1.2254    15.4  TRIG_00572308       
------------------------------------------
 
Foreground time interval of the image:
 -1.928  11.496 (delta_t =  13.424 [sec])
Background time interval of the image:
-119.224 -57.189 (delta_t =  62.035 [sec])
-56.224  -1.928 (delta_t =  54.296 [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   -1.928 sec. to   11.496 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.99653     ( -0.177372   0.187379 )
Norm@50keV  : 5.59800E-03    ( -0.000703208   0.000689569 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.60 using 59 PHA bins.
# Reduced chi-squared =         0.9229 for     57 degrees of freedom 
# Null hypothesis probability =   6.405505e-01
 
Photon flux (15-150 keV)    in 13.42 sec: 0.838361 ( -0.0808364  0.0808459 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.92672e-07 ( -8.12131e-08  8.31042e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -1.928 sec. to   11.496 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.990252     ( -0.942111   0.768138 )
Epeak [keV] : 41.6649      ( -11.7738 14.7096 )
Norm@50keV  : 2.12948E-02    ( -0.0134567   0.0541173 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.32 using 59 PHA bins.
# Reduced chi-squared =         0.8449 for     56 degrees of freedom 
# Null hypothesis probability =   7.891226e-01
 
Photon flux (15-150 keV)    in 13.42 sec: 0.807169 ( -0.083472  0.083711 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.30996e-07 ( -8.62544e-08  9.23283e-08 ) ergs/cm2
 
Band function
Time interval is from   -1.928 sec. to   11.496 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.990376   ( -0.583537   1.17823 )
beta        : -10.0000    ( 10   1.77636e-15 )
Epeak [keV] : 41.6571      ( -11.7482 11.958 )
Norm@50keV   : 2.12901E-02    ( -0.0134542   0.0540182 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.32 using 59 PHA bins.
# Reduced chi-squared =         0.8603 for     55 degrees of freedom 
# Null hypothesis probability =   7.597349e-01
 
Photon flux (15-150 keV)    in 13.42 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]    : 10.0212  (-1.10773  1.24287)
R^2/D10^2   : 0.389364  (-0.139311   0.218449)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.55 using 59 PHA bins.
# Reduced chi-squared =          1.080 for     57 degrees of freedom 
# Null hypothesis probability =   3.165457e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.069e-07   1.792e-08
25- 50  2.667e-07   2.959e-08
50-150  1.401e-07   3.876e-08
15-150  5.137e-07   6.502e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 64.9943       (-16.679      25.8001)
Norm        : 4.25980       (-0.624166     0.721975)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.75 using 59 PHA bins.
# Reduced chi-squared =         0.8378 for     57 degrees of freedom 
# Null hypothesis probability =   8.035406e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.454e-07   1.798e-08
25- 50  2.266e-07   2.436e-08
50-150  2.750e-07   7.421e-08
15-150  6.469e-07   8.837e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.55743        (-2.02251      2.13529)
R1^2/D10^2  : 2.21626        (-1.4379      10.4554)
kT2 [keV]   : 16.0746        (-3.98738      8.35922)
R2^2/D10^2  : 4.54895E-02    (-0.0383231   0.0567349)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.06 using 59 PHA bins.
# Reduced chi-squared =         0.8556 for     55 degrees of freedom 
# Null hypothesis probability =   7.680872e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.410e-07   7.589e-08
25- 50  2.287e-07   1.043e-07
50-150  2.551e-07   1.407e-07
15-150  6.248e-07   3.226e-07

Peak spectrum fit

Power-law model
Time interval is from    1.324 sec. to    2.324 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.05989     ( -0.347847   0.392686 )
Norm@50keV  : 1.09337E-02    ( -0.00284516   0.00270516 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.36 using 59 PHA bins.
# Reduced chi-squared =          1.340 for     57 degrees of freedom 
# Null hypothesis probability =   4.438560e-02
 
Photon flux (15-150 keV)    in 1 sec: 1.68689 ( -0.297703  0.297729 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.01228e-07 ( -2.3027e-08  2.41803e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    1.324 sec. to    2.324 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.07196     ( -1.99908   -1.99908 )
Epeak [keV] : 99.0592      (   )
Norm@50keV  : 1.06335E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          76.32 using 59 PHA bins.
# Reduced chi-squared =          1.363 for     56 degrees of freedom 
# Null hypothesis probability =   3.685524e-02
 
Photon flux (15-150 keV)    in 1 sec: 1.68526 ( -0.29712  0.29742 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.00447e-07 ( -2.38883e-08  2.4703e-08 ) ergs/cm2
 
Band function
Time interval is from    1.324 sec. to    2.324 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.74976   ( -4.74976   -4.74976 )
beta        : -2.21888    ( -0.585301   0.42852 )
Epeak [keV] : 21.2490      ( -21.249 5.72077 )
Norm@50keV   : 3540.39    ( -621.329   2.01218e+07 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          75.56 using 59 PHA bins.
# Reduced chi-squared =          1.374 for     55 degrees of freedom 
# Null hypothesis probability =   3.436508e-02
 
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]    : 7.32819  (-1.54642  2.25155)
R^2/D10^2   : 2.52690  (-1.62304   4.06608)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          85.58 using 59 PHA bins.
# Reduced chi-squared =          1.501 for     57 degrees of freedom 
# Null hypothesis probability =   8.494128e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.281e-08   8.324e-09
25- 50  3.408e-08   1.282e-08
50-150  6.646e-09   4.199e-09
15-150  6.353e-08   2.007e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 56.9000       (-25.8648      68.2195)
Norm        : 8.99070       (-2.52915     4.0696)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          78.01 using 59 PHA bins.
# Reduced chi-squared =          1.369 for     57 degrees of freedom 
# Null hypothesis probability =   3.374889e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.239e-08   6.030e-09
25- 50  3.351e-08   7.930e-09
50-150  3.646e-08   1.933e-08
15-150  9.237e-08   2.913e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.82538        (-1.59931      1.96782)
R1^2/D10^2  : 5.65654        (-3.76858      14.3036)
kT2 [keV]   : 37.6707        (-22.2986      -37.9732)
R2^2/D10^2  : 4.79986E-03    (-0.00448804   0.0859189)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          74.13 using 59 PHA bins.
# Reduced chi-squared =          1.348 for     55 degrees of freedom 
# Null hypothesis probability =   4.372488e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.533e-08   1.385e-08
25- 50  2.896e-08   1.612e-08
50-150  5.625e-08   3.537e-08
15-150  1.105e-07   5.154e-08
Plot creation:
Mon Sep 30 00:23:04 EDT 2013