batgrbproduct Analysis for Trigger=106106

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.41
    Process Start Time (local time): Fri Jan  4 20:42:14 EST 2008
             Host Name: gcn5
   Current Working Dir: /local/data/raid2/prebascript/trigger106106/SDC
======================================================================

  Trigger: 00106106      Segment: 000

  BAT Trigger Time: 130126527.936   [s; MET]
      Trigger Stop: 130126536.128   [s; MET]
               UTC: 2005-02-15T02:15:28.543100    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 348.395966865516   Dec: 49.325242203474  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9
     Image Trigger?:     NO
     Rate S/N Ratio:     10.295630140987  [ if not an image trigger ]
     Image S/N Ratio:    9

  Flight Position:   [ source = BAT ]
    RA: 348.395966865516   Dec: 49.325242203474  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 348.410230131053   Dec: 49.3265050960414  [deg; J2000]  
        { 23h 13m 38.5s , +49d 19' 35.4" }
         +/- 2.60321512903222 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.74360977827833 [arcmin] (formal 1-sigma fit error)
    SNR: 7.75412112270607
    RA  =  23h 13m 38.5s  (348.410230 deg.)
    Dec =  49d 19' 35" (49.326505 deg.)
 
  Angular difference between Flight and Ground position is 0.562894 arcmin
 
  Partial Coding Fraction: 0.640625    [ including projection effects ]

  Duration
     T90: 87.2920000106096 +/- 17.882407101936
        Measured from: 0.491999998688698
                   to: 87.7840000092983     [s; relative to TRIGTIME]
     T50: 55.9120000004768 +/- 8.78119194457452
        Measured from: 6.67599999904633
                   to: 62.5879999995232     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 5.61999998986721     
                   to: 6.61999998986721     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.324000000953674     
                   to: 98.3279999941587     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.284156   0.401520   0.317462   0.159941
           0.051657   0.051275   0.044109   0.038184 [error]
 Peak      0.016987   0.017647   0.024390   0.010273
           0.005517   0.005597   0.005031   0.004346 [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 9.19e-08 1.73e-07 2.51e-07 7.73e-07 7.11e-07 1.30e-06   erg/cm2
              Error 2.33e-08 2.49e-08 4.55e-08 3.24e-07 1.08e-07 3.53e-07   erg/cm2
Peak flux Power-law 9.87e-02 1.44e-01 1.55e-01 3.14e-01 4.94e-01 7.12e-01   ph/cm2/s
              Error 5.61e-02 4.99e-02 3.85e-02 1.79e-01 1.29e-01 1.90e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.20e-08 1.73e-07 2.51e-07 7.66e-07 7.11e-07 1.29e-06   erg/cm2
              Error 2.33e-08 2.49e-08 4.55e-08 3.22e-07 1.08e-07 3.50e-07   erg/cm2
Peak flux Cutoff-PL 8.47e-02 1.45e-01 1.65e-01 2.04e-01 4.85e-01 6.00e-01   ph/cm2/s
              Error 6.71e-02 5.50e-02 3.81e-02 2.29e-01 9.90e-02 2.57e-01   ph/cm2/s
 
Fluence        Band 8.79e-08 1.71e-07 2.55e-07 8.23e-07 7.16e-07 1.34e-06   erg/cm2
              Error 1.16e-08 2.25e-08 3.36e-08 1.16e-07 9.55e-08 1.76e-07   erg/cm2
Peak flux      Band 8.48e-02 1.45e-01 1.65e-01 2.04e-01 4.85e-01 6.00e-01   ph/cm2/s
              Error 6.71e-02 5.67e-02 5.00e-02 2.31e-01 1.33e-01 2.64e-01   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.464    0.264    -      -           7.56e-04 1.02e-04   51.058 57
CPL   1.462    0.267    9987.8    0.0      7.50e-04 1.03e-04   51.097 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.885    0.460    -      -           4.31e-03 1.13e-03   52.241 57
CPL   0.382    4.112     197.0 5000.0      6.97e-03 1.08e-02   51.977 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: 8.832000 sec.
T50 in the 50-300 keV band: 5.504000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   98.652   -0.324   98.328
T90    87.292    0.492   87.784
T50    55.912    6.676   62.588
Peak    1.000    5.620    6.620

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  348.4102 +49.3265 0.0248   24.4  -68.0       0.6543     7.8  TRIG_00106106       
------------------------------------------
 
Foreground time interval of the image:
 -0.324  51.165 (delta_t =  51.489 [sec])
Background time interval of the image:
-119.936  -0.324 (delta_t = 119.612 [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   -0.324 sec. to   98.328 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.46438     ( -0.264848   0.263979 )
Norm@50keV  : 7.555243E-04    ( -1.024883E-04   1.015314E-04) )
------------------------------------------------------------
 Chi-Squared =      51.05825     using    59 PHA bins.
 Reduced chi-squared =     0.8957587     for     57 degrees of freedom
 Null hypothesis probability = 0.696
 
Photon flux (15-150 keV)    in 98.65 sec: 9.344405E-02 ( -0.0127913  0.0128299 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.11385e-07 ( -1.07284e-07  1.08433e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.324 sec. to   98.328 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.46206     ( -0.267295   0.266542 )
Epeak [keV] : 9987.84      (   )
Norm@50keV  : 7.496972E-04    ( -1.031606E-04   1.020879E-04) )
------------------------------------------------------------
 Chi-Squared =      51.09741     using    59 PHA bins.
 Reduced chi-squared =     0.9124537     for     56 degrees of freedom
 Null hypothesis probability = 0.661
 
Photon flux (15-150 keV)    in 98.65 sec: 9.340506E-02 ( -0.0127872  0.0128259 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.11213e-07 ( -1.07172e-07  1.08646e-07 ) ergs/cm2
 
Band function
Time interval is from   -0.324 sec. to   98.328 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.10858   ( -8.89142   3.74710 )
beta        : -1.46003    ( -0.288850   0.261080 )
Epeak [keV] : 44.6696      ( -44.5696 9955.33 )
Norm@50keV   : 1.553681E-03    ( -1.553681E-03   311.873 )
------------------------------------------------------------
 Chi-Squared =      51.06581     using    59 PHA bins.
 Reduced chi-squared =     0.9284693     for     55 degrees of freedom
 Null hypothesis probability = 0.626
 
Photon flux (15-150 keV)    in 98.65 sec: 9.265326E-02 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.15544e-07 ( -9.46596e-08  9.62469e-08 ) ergs/cm2
 

Peak spectrum fit using the pre-slew DRM

Power-law model
Time interval is from    5.620 sec. to    6.620 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.885323     ( -0.488886   0.431506 )
Norm@50keV  : 4.307833E-03    ( -1.155492E-03   1.109782E-03) )
------------------------------------------------------------
 Chi-Squared =      52.24109     using    59 PHA bins.
 Reduced chi-squared =     0.9165103     for     57 degrees of freedom
 Null hypothesis probability = 0.654
 
Photon flux (15-150 keV)    in 1.000 sec: 0.494406 ( -0.128013  0.129911 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.86312e-08 ( -1.22381e-08  1.23126e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    5.620 sec. to    6.620 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.382293     ( -2.47302   5.75068 )
Epeak [keV] : 196.951      ( -196.941 9803.05 )
Norm@50keV  : 6.971774E-03    ( -6.971774E-03   1.471479E-02) )
------------------------------------------------------------
 Chi-Squared =      51.97693     using    59 PHA bins.
 Reduced chi-squared =     0.9281594     for     56 degrees of freedom
 Null hypothesis probability = 0.628
 
Photon flux (15-150 keV)    in 1.000 sec: 0.485173 ( -0.131731  0.06636 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.79282e-08 ( -1.28977e-08  1.26436e-08 ) ergs/cm2
 
Band function
Time interval is from    5.620 sec. to    6.620 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 3.360195E-02   ( -14.8316   0.168351 )
beta        : -0.978316    ( -0.706541   0.451530 )
Epeak [keV] : 84.1988      ( -35.0425 9964.86 )
Norm@50keV   : 1.481986E-02    ( -11.4278   84.8914 )
------------------------------------------------------------
 Chi-Squared =      51.99203     using    59 PHA bins.
 Reduced chi-squared =     0.9453097     for     55 degrees of freedom
 Null hypothesis probability = 0.590
 
Photon flux (15-150 keV)    in 1.000 sec: 0.485168 ( -0.131734  0.133268 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.79004e-08 ( -1.28778e-08  1.26574e-08 ) ergs/cm2
 
Plot creation:
Fri Jan  4 20:51:25 EST 2008