batgrbproduct Analysis for Trigger=552063

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Mar 27 13:13:01 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger552063/GCN5_download_cron
======================================================================

  Trigger: 00552063      Segment: 000

  BAT Trigger Time: 386041664.384   [s; MET]
      Trigger Stop: 386041666.432   [s; MET]
               UTC: 2013-03-27T01:47:34.014540    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 91.9916773554106   Dec: 55.7304273950613  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.19
     Image Trigger?:     NO
     Rate S/N Ratio:     8.60232526704263  [ if not an image trigger ]
     Image S/N Ratio:    7.19

  Flight Position:   [ source = BAT ]
    RA: 91.9916773554106   Dec: 55.7304273950613  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 91.9841083990836   Dec: 55.7322778037484  [deg; J2000]  
        { 06h 07m 56.2s , +55d 43' 56.2" }
         +/- 2.24108615845383 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.21226728752949 [arcmin] (formal 1-sigma fit error)
    SNR: 9.60424662934541
 
  Angular difference between Flight and Ground position is 0.278775 arcmin
 
  Partial Coding Fraction: 0.6171875    [ including projection effects ]

  Duration
     T90: 9 +/- 2.82842712474619
        Measured from: -4.38399988412857
                   to: 4.61600011587143     [s; relative to TRIGTIME]
     T50: 3 +/- 2.23606797749979
        Measured from: -0.383999884128571
                   to: 2.61600011587143     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.61599999666214     
                   to: 1.61599999666214     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -4.38400000333786     
                   to: 5.61599999666214     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.192789   0.137881   0.095483  -0.000248
           0.023434   0.024343   0.021184   0.018973 [error]
 Peak      0.034790   0.033224   0.026489   0.001236
           0.007462   0.008039   0.007031   0.005770 [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 6.38e-08 7.42e-08 6.21e-08 8.77e-08 2.32e-07 2.88e-07   erg/cm2
              Error 1.34e-08 1.25e-08 2.13e-08 5.90e-08 4.70e-08 8.47e-08   erg/cm2
Peak flux Power-law 3.56e-01 2.91e-01 1.61e-01 1.31e-01 8.67e-01 9.40e-01   ph/cm2/s
              Error 1.32e-01 6.73e-02 6.32e-02 1.05e-01 2.01e-01 2.21e-01   ph/cm2/s
 
Fluence   Cutoff-PL 6.47e-08 7.39e-08 6.07e-08 8.40e-08 2.28e-07 2.84e-07   erg/cm2
              Error 1.32e-08 1.28e-08 2.12e-08 6.51e-08 4.67e-08 8.89e-08   erg/cm2
Peak flux Cutoff-PL 3.56e-01 2.91e-01 1.61e-01 1.30e-01 8.67e-01 9.39e-01   ph/cm2/s
              Error 1.27e-01 6.73e-02 6.28e-02 1.37e-01 2.01e-01 2.19e-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    2.257    0.358    -      -           2.44e-03 6.00e-04   62.180 57
CPL   1.989    0.000       2.7    0.0      3.29e-03 0.00e+00   62.950 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.854    0.498    -      -           6.16e-03 1.80e-03   55.170 57
CPL   2.398    0.000     144.6    0.0      3.14e-03 0.00e+00   53.800 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   10.000   -4.384    5.616
T90     9.000   -4.384    4.616
T50     3.000   -0.384    2.616
Peak    1.000    0.616    1.616

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   91.9841 +55.7323 0.0200   36.3 -150.6       0.4430     9.6  TRIG_00552063       
------------------------------------------
 
Foreground time interval of the image:
 -4.384   5.616 (delta_t =  10.000 [sec])
Background time interval of the image:
-89.983  -4.384 (delta_t =  85.599 [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   -4.384 sec. to    5.616 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.25664     ( -0.331663   0.384878 )
Norm@50keV  : 2.44350E-03    ( -0.000617857   0.000581575 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.18 using 59 PHA bins.
# Reduced chi-squared =          1.091 for     57 degrees of freedom 
# Null hypothesis probability =   2.969829e-01
 
Photon flux (15-150 keV)    in 10 sec: 0.416963 ( -0.0641909  0.064191 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.31738e-07 ( -4.61039e-08  4.79369e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -4.384 sec. to    5.616 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.98870     (     )
Epeak [keV] : 2.74763      (   )
Norm@50keV  : 3.29056E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.95 using 59 PHA bins.
# Reduced chi-squared =          1.124 for     56 degrees of freedom 
# Null hypothesis probability =   2.440321e-01
 
Photon flux (15-150 keV)    in 10 sec: 0.416666 ( -0.064246  0.06422 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.28189e-07 ( -4.2878e-08  5.0491e-08 ) ergs/cm2
 
Band function
Time interval is from   -4.384 sec. to    5.616 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -9.97759   ( 9.97759   9.97759 )
beta        : -2.25664    ( -0.384839   0.331816 )
Epeak [keV] : 10.3029      ( -10.3029 -10.3029 )
Norm@50keV   : 0.332105    ( -0.0839792   0.0790406 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.18 using 59 PHA bins.
# Reduced chi-squared =          1.131 for     55 degrees of freedom 
# Null hypothesis probability =   2.358512e-01
 
Photon flux (15-150 keV)    in 10 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]    : 8.55802  (-2.54659  2.85305)
R^2/D10^2   : 0.325260  (-0.318261   0.999542)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          82.55 using 59 PHA bins.
# Reduced chi-squared =          1.448 for     57 degrees of freedom 
# Null hypothesis probability =   1.509875e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.508e-08   1.439e-08
25- 50  8.841e-08   2.715e-08
50-150  2.884e-08   1.456e-08
15-150  1.623e-07   3.885e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 50.0086       (-19.775      39.7469)
Norm        : 2.31909       (-0.603046     0.987763)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.74 using 59 PHA bins.
# Reduced chi-squared =          1.153 for     57 degrees of freedom 
# Null hypothesis probability =   1.998682e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.671e-08   1.189e-08
25- 50  8.145e-08   1.488e-08
50-150  7.909e-08   3.451e-08
15-150  2.173e-07   5.415e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.45128        (-0.957405      1.22012)
R1^2/D10^2  : 13.4198        (-10.376      73.0034)
kT2 [keV]   : 16.5315        (-4.30328      7.43958)
R2^2/D10^2  : 2.07357E-02    (-0.0155795   0.0413681)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.15 using 59 PHA bins.
# Reduced chi-squared =          1.076 for     55 degrees of freedom 
# Null hypothesis probability =   3.264950e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.858e-08   3.590e-08
25- 50  6.350e-08   3.116e-08
50-150  9.727e-08   5.989e-08
15-150  2.293e-07   1.204e-07

Peak spectrum fit

Power-law model
Time interval is from    0.616 sec. to    1.616 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.85416     ( -0.462117   0.533572 )
Norm@50keV  : 6.15779E-03    ( -0.00189468   0.0017016 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.17 using 59 PHA bins.
# Reduced chi-squared =         0.9679 for     57 degrees of freedom 
# Null hypothesis probability =   5.439544e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.867017 ( -0.201334  0.201309 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.66136e-08 ( -1.62078e-08  1.66123e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.616 sec. to    1.616 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.39780     (     )
Epeak [keV] : 144.569      (   )
Norm@50keV  : 3.14139E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.80 using 59 PHA bins.
# Reduced chi-squared =         0.9606 for     56 degrees of freedom 
# Null hypothesis probability =   5.587658e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.866654 ( -0.200305  0.201246 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.65277e-08 ( -1.61344e-08  1.60547e-08 ) ergs/cm2
 
Band function
Time interval is from    0.616 sec. to    1.616 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -3.89028   ( 3.97778   3.89028 )
beta        : -1.85434    ( -0.534034   0.462901 )
Epeak [keV] : 106.034      ( -106.034 -106.034 )
Norm@50keV   : 0.836876    ( -0.257513   0.231273 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.17 using 59 PHA bins.
# Reduced chi-squared =          1.003 for     55 degrees of freedom 
# Null hypothesis probability =   4.681195e-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]    : 11.2511  (-5.16163  9.40565)
R^2/D10^2   : 0.238994  (-0.200548   2.14497)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.83 using 59 PHA bins.
# Reduced chi-squared =          1.190 for     57 degrees of freedom 
# Null hypothesis probability =   1.542707e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.348e-09   3.945e-09
25- 50  1.847e-08   1.030e-08
50-150  1.343e-08   9.355e-09
15-150  3.825e-08   2.386e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 117.448       (-73.0615      -118.576)
Norm        : 3.63573       (-0.990306     1.66256)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.87 using 59 PHA bins.
# Reduced chi-squared =         0.9978 for     57 degrees of freedom 
# Null hypothesis probability =   4.798622e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.477e-09   5.560e-09
25- 50  1.689e-08   9.800e-09
50-150  2.982e-08   2.086e-08
15-150  5.619e-08   3.598e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.73660        (-1.38872      2.10742)
R1^2/D10^2  : 18.0353        (-16.3811      238.475)
kT2 [keV]   : 25.6514        (-9.80772      27.135)
R2^2/D10^2  : 1.16203E-02    (-0.0102293   0.0345882)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.92 using 59 PHA bins.
# Reduced chi-squared =         0.9621 for     55 degrees of freedom 
# Null hypothesis probability =   5.545821e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.299e-08   7.535e-09
25- 50  1.099e-08   5.964e-09
50-150  3.661e-08   2.316e-08
15-150  6.058e-08   3.295e-08
Plot creation:
Wed Mar 27 13:40:41 EDT 2013