batgrbproduct Analysis for Trigger=552384

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Apr  3 12:19:45 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger552384/batgroup_hand_proc
======================================================================

  Trigger: 00552384      Segment: 000

  BAT Trigger Time: 386360288   [s; MET]
      Trigger Stop: 386360352   [s; MET]
               UTC: 2013-03-30T18:17:57.616600    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 136.0032378736   Dec: -40.9833434124791  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    13.05
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    13.05

  Flight Position:   [ source = BAT ]
    RA: 136.0032378736   Dec: -40.9833434124791  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 135.986188252511   Dec: -41.0083600902912  [deg; J2000]  
        { 09h 03m 56.7s , -41d 00' 30.1" }
         +/- 2.24751270569344 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.852785506184144 [arcmin] (formal 1-sigma fit error)
    SNR: 9.56503864819112
 
  Angular difference between Flight and Ground position is 1.687940 arcmin
 
  Partial Coding Fraction: 1    [ including projection effects ]

  Duration
     T90: 114.507999897003 +/- 49.4493173192463
        Measured from: 43.660000026226
                   to: 158.167999923229     [s; relative to TRIGTIME]
     T50: 32.8959999680519 +/- 14.0845641867977
        Measured from: 70.5199999809265
                   to: 103.415999948978     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 97.2799999713898     
                   to: 98.2799999713898     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 36.1999999880791     
                   to: 204.98400002718     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.897800   0.974093   0.061734   0.033827
           0.083453   0.081161   0.070340   0.061861 [error]
 Peak      0.030224   0.018324   0.006066   0.008254
           0.005637   0.005448   0.004600   0.004069 [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 5.54e-07 3.79e-07 1.70e-07 1.06e-07 1.15e-06 1.21e-06   erg/cm2
              Error 5.17e-08 4.22e-08 3.99e-08 4.39e-08 1.11e-07 1.30e-07   erg/cm2
Peak flux Power-law 2.76e-01 1.40e-01 4.40e-02 1.77e-02 4.70e-01 4.78e-01   ph/cm2/s
              Error 8.39e-02 4.90e-02 3.20e-02 2.62e-02 1.24e-01 1.29e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.52e-07 3.93e-07 2.14e-08 9.66e-07 0.00e+00 0.00e+00   erg/cm2
              Error 5.76e-08 5.61e-08 9.00e-08 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux Cutoff-PL 2.78e-01 1.39e-01 4.27e-02 1.67e-02 4.68e-01 4.76e-01   ph/cm2/s
              Error 8.37e-02 5.32e-02 3.57e-02 1.95e-02 1.24e-01 1.28e-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    3.156    0.208    -      -           5.28e-04 9.33e-05    0.000 57
CPL  -1.162    2.201      19.5    2.5      7.57e-01 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    2.672    0.727    -      -           2.15e-03 1.19e-03    0.000 57
CPL   1.927    0.000       3.2    0.0      6.72e-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  168.784   36.200  204.984
T90   114.508   43.660  158.168
T50    32.896   70.520  103.416
Peak    1.000   97.280   98.280

Image

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

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  135.9862   -41.0084   0.0200     0.1459  -160.1050         1.3685828      9.565 TRIG_00552384                 
 
Foreground time interval of the image:
 36.200 122.301 (delta_t =  86.101 [sec])
Background time interval of the image:
-14.499  36.200 (delta_t =  50.699 [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   36.200 sec. to  204.984 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.15624     ( -0.201956   0.214649 )
Norm@50keV  : 5.27795E-04    ( -9.09507e-05   9.55539e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          72.97 using 59 PHA bins.
# Reduced chi-squared =          1.280 for     57 degrees of freedom 
# Null hypothesis probability =   7.539997e-02
 
Photon flux (15-150 keV)    in 168.8 sec: 0.162986 ( -0.0133104  0.0133104 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.15494e-06 ( -1.09494e-07  1.12622e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   36.200 sec. to  204.984 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.16170     ( -2.98747   1.4144 )
Epeak [keV] : 19.5230      ( -2.03871 3.00234 )
Norm@50keV  : 0.757420    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.77 using 59 PHA bins.
# Reduced chi-squared =         0.8709 for     56 degrees of freedom 
# Null hypothesis probability =   7.425131e-01
 
Photon flux (15-150 keV)    in 168.8 sec: 0.153478 ( -0.013371  0.013348 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.65907e-07 ( -8.80478e-08  9.20416e-08 ) ergs/cm2
 
Band function
Time interval is from   36.200 sec. to  204.984 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 1.61782   ( -1.25188   -0.954067 )
beta        : -5.69324    ( 5.60045   1.53496 )
Epeak [keV] : 20.0380      ( -2.91722 1.80634 )
Norm@50keV   : 1.69165    ( -1.46855   310.719 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.22 using 59 PHA bins.
# Reduced chi-squared =         0.8767 for     55 degrees of freedom 
# Null hypothesis probability =   7.294444e-01
 
Photon flux (15-150 keV)    in 168.8 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]    : 5.18132  (-0.374344  0.40543)
R^2/D10^2   : 1.16360  (-0.35648   0.519074)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.69 using 59 PHA bins.
# Reduced chi-squared =         0.8542 for     57 degrees of freedom 
# Null hypothesis probability =   7.753122e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.497e-07   6.541e-08
25- 50  3.916e-07   5.452e-08
50-150  1.886e-08   8.144e-09
15-150  9.601e-07   1.020e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 15.5656       (-2.24189      2.63858)
Norm        : 2.75054       (-0.574655     0.732995)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.68 using 59 PHA bins.
# Reduced chi-squared =         0.9769 for     57 degrees of freedom 
# Null hypothesis probability =   5.245333e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.629e-07   6.305e-08
25- 50  3.976e-07   4.904e-08
50-150  7.544e-08   2.984e-08
15-150  1.036e-06   9.731e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.10739        (-5.10212      0.440283)
R1^2/D10^2  : 1.23257        (-0.40323      1.56588)
kT2 [keV]   : 31.1789        (-28.6466      -28.6466)
R2^2/D10^2  : 7.12643E-05    (-9.28405e-05   0.0112729)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.99 using 59 PHA bins.
# Reduced chi-squared =         0.8726 for     55 degrees of freedom 
# Null hypothesis probability =   7.371852e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.523e-07   8.339e-08
25- 50  3.899e-07   7.275e-08
50-150  9.266e-08   5.169e-08
15-150  1.035e-06   1.593e-07

Peak spectrum fit

Power-law model
Time interval is from   97.280 sec. to   98.280 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.67243     ( -0.61216   0.841361 )
Norm@50keV  : 2.14656E-03    ( -0.0011713   0.00121574 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.57 using 59 PHA bins.
# Reduced chi-squared =         0.9048 for     57 degrees of freedom 
# Null hypothesis probability =   6.780301e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.470446 ( -0.123929  0.124353 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.262e-08 ( -7.99652e-09  9.06397e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   97.280 sec. to   98.280 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.92710     (     )
Epeak [keV] : 3.20384      (   )
Norm@50keV  : 6.71532E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.09 using 59 PHA bins.
# Reduced chi-squared =         0.9302 for     56 degrees of freedom 
# Null hypothesis probability =   6.234771e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.468186 ( -0.12231  0.124974 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.22967e-08 ( -7.9303e-09  9.1233e-09 ) ergs/cm2
 
Band function
Time interval is from   97.280 sec. to   98.280 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.86155   ( 1.85834   1.85834 )
beta        : -2.67110    ( 2.67217   0.611787 )
Epeak [keV] : 2.10334      ( -2.10878 9997.38 )
Norm@50keV   : 1.50200E-02    ( -0.015923   3.15255e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.57 using 59 PHA bins.
# Reduced chi-squared =         0.9377 for     55 degrees of freedom 
# Null hypothesis probability =   6.062877e-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]    : 6.41499  (-2.12816  2.34255)
R^2/D10^2   : 1.26141  (-1.25466   6.0369)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.52 using 59 PHA bins.
# Reduced chi-squared =         0.9740 for     57 degrees of freedom 
# Null hypothesis probability =   5.308664e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.547e-09   4.530e-09
25- 50  8.675e-09   5.465e-09
50-150  1.037e-09   8.465e-10
15-150  1.726e-08   1.039e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 24.3394       (-11.9984      29.0466)
Norm        : 4.55088       (-2.18125     5.44985)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.51 using 59 PHA bins.
# Reduced chi-squared =         0.9213 for     57 degrees of freedom 
# Null hypothesis probability =   6.439441e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.189e-09   3.780e-09
25- 50  8.248e-09   4.161e-09
50-150  3.371e-09   2.811e-09
15-150  1.981e-08   9.111e-09
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.40590        (-2.01512      6.19511)
R1^2/D10^2  : 95.6074        (-205.916      -208.83)
kT2 [keV]   : 9.10121        (-2.94166      -8.78191)
R2^2/D10^2  : 0.226873    (-0.268866   1.35512)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.16 using 59 PHA bins.
# Reduced chi-squared =         0.9302 for     55 degrees of freedom 
# Null hypothesis probability =   6.221685e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.630e-09   3.908e-09
25- 50  8.206e-09   4.926e-09
50-150  3.141e-09   2.520e-09
15-150  1.898e-08   1.034e-08
Plot creation:
Wed Apr  3 12:38:31 EDT 2013