batgrbproduct Analysis for Trigger=111063

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.41
    Process Start Time (local time): Fri Jan  4 21:38:11 EST 2008
             Host Name: gcn5
   Current Working Dir: /local/data/raid2/prebascript/trigger111063/SDC
======================================================================

  Trigger: 00111063      Segment: 000

  BAT Trigger Time: 132613181.952   [s; MET]
      Trigger Stop: 132613182.976   [s; MET]
               UTC: 2005-03-15T20:59:42.518900    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 306.472217474461   Dec: -42.5872492239099  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8
     Image Trigger?:     NO
     Rate S/N Ratio:     17.1464281994822  [ if not an image trigger ]
     Image S/N Ratio:    8

  Flight Position:   [ source = BAT ]
    RA: 306.472217474461   Dec: -42.5872492239099  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 306.472730861243   Dec: -42.5877571863594  [deg; J2000]  
        { 20h 25m 53.5s , -42d 35' 15.9" }
         +/- 1.10290873668191 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.289549153662462 [arcmin] (formal 1-sigma fit error)
    SNR: 26.4452426157326
    RA  =  20h 25m 53.5s  (306.472731 deg.)
    Dec = -42d 35' 16" (-42.587757 deg.)
 
  Angular difference between Flight and Ground position is 0.037990 arcmin
 
  Partial Coding Fraction: 0.515625    [ including projection effects ]

  Duration
     T90: 95.5600000023842 +/- 14.0200616236825
        Measured from: -48.0040000081062
                   to: 47.555999994278     [s; relative to TRIGTIME]
     T50: 24.3440000116825 +/- 1.4984418541017
        Measured from: 0.139999985694885
                   to: 24.4839999973774     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 24.6039999872446     
                   to: 25.6039999872446     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -56.108000010252     
                   to: 69.1799999922514     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.169785   2.128385   1.102459   0.245574
           0.076091   0.072412   0.060018   0.049540 [error]
 Peak      0.079291   0.078829   0.040399   0.001146
           0.007975   0.007619   0.005899   0.004589 [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 7.86e-07 9.97e-07 9.24e-07 1.50e-06 3.22e-06 4.20e-06   erg/cm2
              Error 6.06e-08 4.47e-08 6.26e-08 2.17e-07 1.46e-07 2.68e-07   erg/cm2
Peak flux Power-law 9.29e-01 6.33e-01 2.82e-01 1.74e-01 1.93e+00 2.02e+00   ph/cm2/s
              Error 1.49e-01 7.00e-02 4.98e-02 5.79e-02 2.18e-01 2.24e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.48e-07 1.02e-06 9.30e-07 1.00e-06 3.14e-06 3.77e-06   erg/cm2
              Error 7.51e-08 5.29e-08 6.55e-08 4.98e-07 1.69e-07 6.48e-07   erg/cm2
Peak flux Cutoff-PL 8.67e-01 6.82e-01 2.87e-01 8.36e-02 1.89e+00 1.92e+00   ph/cm2/s
              Error 1.67e-01 9.02e-02 5.58e-02 8.23e-02 2.22e-01 2.35e-01   ph/cm2/s
 
Fluence        Band 1.06e-06 1.36e-06 1.22e-06 1.98e-06 4.25e-06 4.53e-06   erg/cm2
              Error 8.35e-07 1.49e-06 2.92e-06 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 8.67e-01 6.82e-01 2.87e-01 8.38e-02 1.89e+00 1.92e+00   ph/cm2/s
              Error 1.67e-01 9.02e-02 5.58e-02 8.24e-02 2.22e-01 2.35e-01   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.111    0.089    -      -           2.76e-03 1.34e-04   52.636 57
CPL   1.816    0.273      29.9   20.1      3.91e-03 1.48e-03   50.780  0
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.165    0.200    -      -           1.19e-02 1.61e-03   53.181 57
CPL   1.533    0.659      32.2   24.3      2.70e-02 3.37e-02   50.876  0
 
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: 28.544000 sec.
T50 in the 50-300 keV band: 15.232000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  125.288  -56.108   69.180
T90    95.560  -48.004   47.556
T50    24.344    0.140   24.484
Peak    1.000   24.604   25.604

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  306.4727 -42.5878 0.0073   39.5  -27.3       3.3890    26.4  TRIG_00111063       
------------------------------------------
 
Foreground time interval of the image:
-56.108  17.853 (delta_t =  73.961 [sec])
Background time interval of the image:
-299.952 -56.108 (delta_t = 243.844 [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  -56.108 sec. to   69.180 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.11111     ( -8.860993E-02   9.002256E-02) )
Norm@50keV  : 2.758748E-03    ( -1.346224E-04   1.336136E-04) )
------------------------------------------------------------
 Chi-Squared =      52.63609     using    59 PHA bins.
 Reduced chi-squared =     0.9234402     for     57 degrees of freedom
 Null hypothesis probability = 0.639
 
Photon flux (15-150 keV)    in 125.3 sec: 0.436417 ( -0.021506  0.021647 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.21536e-06 ( -1.45874e-07  1.45899e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -56.108 sec. to   69.180 sec.
Photon index: 1.81596     ( -0.356003   0.190050 )
Epeak [keV] : 29.9167      ( -24.8479 15.3243 )
Norm@50keV  : 3.907471E-03    ( -9.656004E-04   2.003646E-03) )
------------------------------------------------------------
 Chi-Squared =      50.77960     using    59 PHA bins.
 but latest trial   2.00765     gives Chi-Squared =   5.83931
 but latest trial   5.06912     gives Chi-Squared =   8.58581
 but latest trial  2.933189E-03 gives Chi-Squared =   3.10972
 Reduced chi-squared =     0.9067786     for     56 degrees of freedom
 Null hypothesis probability = 0.672
 
Photon flux (15-150 keV)    in 125.3 sec: 0.427168 ( -0.024144  0.024231 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.14425e-06 ( -1.72024e-07  1.65333e-07 ) ergs/cm2
 
Band function
Time interval is from  -56.108 sec. to   69.180 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.77872   ( -8.22128   3.04237 )
beta        : -2.33186    ( -6.91112   1.02894 )
Epeak [keV] : 30.4553      ( -31.4164 12.8197 )
Norm@50keV   : 4.127286E-03    ( -7.748657E-04   2.182488E-03) )
------------------------------------------------------------
 Chi-Squared =      50.89483     using    59 PHA bins.
 Reduced chi-squared =     0.9253606     for     55 degrees of freedom
 Null hypothesis probability = 0.632
 
Photon flux (15-150 keV)    in 125.3 sec: 0.427173 ( -0.02418  0.024269 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.25287e-06 ( -5.25433e-07  5.32405e-06 ) ergs/cm2
 

Peak spectrum fit using the pre-slew DRM

Power-law model
Time interval is from   24.604 sec. to   25.604 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.16458     ( -0.194955   0.206008 )
Norm@50keV  : 1.186900E-02    ( -1.626539E-03   1.589724E-03) )
------------------------------------------------------------
 Chi-Squared =      53.18128     using    59 PHA bins.
 Reduced chi-squared =     0.9330049     for     57 degrees of freedom
 Null hypothesis probability = 0.619
 
Photon flux (15-150 keV)    in 1.000 sec: 1.92908 ( -0.21827  0.21859 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.11087e-07 ( -1.35592e-08  1.3678e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   24.604 sec. to   25.604 sec.
Parameters  : value       lower 90%   higher 90%
Photon index: 1.53329     ( -0.851695   0.466222 )
Epeak [keV] : 32.2257      ( -31.7651 16.7953 )
Norm@50keV  : 2.697553E-02    ( -1.339595E-02   5.396357E-02) )
------------------------------------------------------------
 Chi-Squared =      50.87631     using    59 PHA bins.
 but latest trial -0.152096     gives Chi-Squared =   214.721
 but latest trial  1.350892E-02 gives Chi-Squared =   5.19935
 Reduced chi-squared =     0.9085056     for     56 degrees of freedom
 Null hypothesis probability = 0.669
 
Photon flux (15-150 keV)    in 1.000 sec: 1.89409 ( -0.22228  0.22233 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.07085e-07 ( -1.42495e-08  1.4321e-08 ) ergs/cm2
 
Band function
Time interval is from   24.604 sec. to   25.604 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.54103   ( -8.45897   0.839840 )
beta        : -8.11155    ( -1.88845   6.04229 )
Epeak [keV] : 32.0830      ( -31.9830 16.9467 )
Norm@50keV   : 2.669614E-02    ( -1.365702E-02   5.421852E-02) )
------------------------------------------------------------
 Chi-Squared =      50.87669     using    59 PHA bins.
 Reduced chi-squared =     0.9250307     for     55 degrees of freedom
 Null hypothesis probability = 0.633
 
Photon flux (15-150 keV)    in 1.000 sec: 1.89422 ( -0.2225  0.22221 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.0686e-07 ( -1.4163e-08  1.4358e-08 ) ergs/cm2
 
Plot creation:
Fri Jan  4 21:52:59 EST 2008