batgrbproduct Analysis for Trigger=132129

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.41
    Process Start Time (local time): Mon Jan  7 10:18:54 EST 2008
             Host Name: gcn5
   Current Working Dir: /local/data/raid2/prebascript/trigger132129/GCN5_download_cron
======================================================================

  Trigger: 00132129      Segment: 000

  BAT Trigger Time: 139779804.992   [s; MET]
      Trigger Stop: 139779821.376   [s; MET]
               UTC: 2005-06-06T19:43:25.432460    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 84.746292158118   Dec: 26.3167746099471  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6
     Image Trigger?:     NO
     Rate S/N Ratio:     7.41619848709566  [ if not an image trigger ]
     Image S/N Ratio:    6

  Flight Position:   [ source = BAT ]
    RA: 84.746292158118   Dec: 26.3167746099471  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 84.711568068426   Dec: 26.30033257343  [deg; J2000]  
        { 05h 38m 50.8s , +26d 18' 01.2" }
         +/- 2.59448396670467 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.51204279554154 [arcmin] (formal 1-sigma fit error)
    SNR: 7.79142624620417
    RA  =   5h 38m 50.8s  (84.711568 deg.)
    Dec =  26d 18'  1" (26.300333 deg.)
 
  Angular difference between Flight and Ground position is 2.112183 arcmin
 
  Partial Coding Fraction: 0.1289062    [ including projection effects ]

  Duration
     T90: 145 +/- 21.1009478460092
        Measured from: -46.9920000135899
                   to: 98.0079999864101     [s; relative to TRIGTIME]
     T50: 100 +/- 33.734255586866
        Measured from: -33.9920000135899
                   to: 66.0079999864101     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 6.00799998641014     
                   to: 7.00799998641014     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -49.9920000135899     
                   to: 112.00799998641     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total    15.490025  13.392591   2.252039  -0.148333
           0.201962   0.199754   0.153713   0.135737 [error]
 Peak      0.121342   0.130726   0.025780   0.012371
           0.016948   0.017367   0.012519   0.011033 [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 7.63e-06 5.39e-06 2.51e-06 1.63e-06 1.63e-05 1.72e-05   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 Power-law 1.50e+00 7.65e-01 2.40e-01 9.66e-02 2.56e+00 2.60e+00   ph/cm2/s
              Error 3.02e-01 1.43e-01 7.90e-02 5.45e-02 4.44e-01 4.51e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.64e-06 5.39e-06 2.51e-06 1.62e-06 1.63e-05 1.72e-05   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 Cutoff-PL 1.29e+00 1.14e+00 1.21e-01 4.49e-04 2.56e+00 2.56e+00   ph/cm2/s
              Error 3.29e-01 2.30e-01 1.02e-01 6.01e-03 4.38e-01 4.39e-01   ph/cm2/s
 
Fluence        Band 6.26e-06 5.81e-06 2.22e-06 1.23e-06 1.45e-05 1.69e-05   erg/cm2
              Error 2.64e-07 1.71e-07 4.93e-08 4.73e-07 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 1.30e+00 1.16e+00 1.08e-01 8.84e-03 2.58e+00 2.60e+00   ph/cm2/s
              Error 3.44e-01 2.37e-01 3.24e-02 4.32e-01 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    3.105    0.000    -      -           8.04e-03 0.00e+00  199.921 57
CPL   0.367    0.505      21.9    2.8      3.55e-01 2.81e-01   48.358 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.670    0.309    -      -           1.17e-02 3.06e-03   65.552 57
CPL  -1.318    1.873      28.4    4.7      4.57e+00 0.00e+00   52.315  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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  162.000  -49.992  112.008
T90   145.000  -46.992   98.008
T50   100.000  -33.992   66.008
Peak    1.000    6.008    7.008

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   84.7116 +26.3003 0.0244   38.7  -82.0      12.1217     7.8  TRIG_00132129       
------------------------------------------
 
Foreground time interval of the image:
-49.992  18.749 (delta_t =  68.741 [sec])
 20.008 112.008 (delta_t =  92.000 [sec])
Background time interval of the image:
-60.992 -51.261 (delta_t =   9.731 [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
Multiple GTIs in the spectrum
tstart tstop
-49.992000 18.749200
20.008000 112.008000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.10474     (     )
Norm@50keV  : 8.038861E-03    (     )
------------------------------------------------------------
 Chi-Squared =      199.9213     using    59 PHA bins.
 Reduced chi-squared =      3.507391     for     57 degrees of freedom
 Null hypothesis probability = 9.159E-18
 
Photon flux (15-150 keV)    in 160.7 sec: 2.38820 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.6317e-05 ( 0  0 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-49.992000 18.749200
20.008000 112.008000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.366861     ( -0.529671   0.480110 )
Epeak [keV] : 21.9106      ( -3.20249 2.48569 )
Norm@50keV  : 0.355478    ( -0.172693   0.388554 )
------------------------------------------------------------
 Chi-Squared =      48.35777     using    59 PHA bins.
 Reduced chi-squared =     0.8635315     for     56 degrees of freedom
 Null hypothesis probability = 0.756
 
Photon flux (15-150 keV)    in 160.7 sec: 1.99937 ( -0.1033  0.10433 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.63172e-05 ( 0  0 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-49.992000 18.749200
20.008000 112.008000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.36388   ( -0.175935   3.896040E-02) )
beta        : -9.03820    ( -1.09263   18.9073 )
Epeak [keV] : 16.8065      ( -1.74061 1.07257 )
Norm@50keV   : 6.386517E-02    ( -8.891681E-02   0.384316 )
------------------------------------------------------------
 Chi-Squared =      107.5997     using    59 PHA bins.
 Reduced chi-squared =      1.956359     for     55 degrees of freedom
 Null hypothesis probability = 2.901E-05
 
Photon flux (15-150 keV)    in 160.7 sec: 2.05076 ( -0.06448  0.05992 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.4454e-05 ( -4.22287e-07  5.2438e-07 ) ergs/cm2
 

Peak spectrum fit using the pre-slew DRM

Power-law model
Time interval is from    6.008 sec. to    7.008 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.67045     ( -0.285424   0.332881 )
Norm@50keV  : 1.170523E-02    ( -3.071333E-03   3.041304E-03) )
------------------------------------------------------------
 Chi-Squared =      65.55184     using    59 PHA bins.
 Reduced chi-squared =      1.150032     for     57 degrees of freedom
 Null hypothesis probability = 0.204
 
Photon flux (15-150 keV)    in 1.000 sec: 2.56204 ( -0.44358  0.4436 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.23166e-07 ( -2.38891e-08  2.4595e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    6.008 sec. to    7.008 sec.
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.31837     ( -1.68163   2.06438 )
Epeak [keV] : 28.4030      ( -4.84071 4.59081 )
Norm@50keV  : 4.56823    (     )
------------------------------------------------------------
 Chi-Squared =      52.31456     using    59 PHA bins.
 but latest trial   20.5819     gives Chi-Squared =   4.33866
 Reduced chi-squared =     0.9341885     for     56 degrees of freedom
 Null hypothesis probability = 0.615
 
Photon flux (15-150 keV)    in 1.000 sec: 2.55612 ( -0.43434  0.44265 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.13817e-07 ( -2.06036e-08  2.2346e-08 ) ergs/cm2
 
Band function
Time interval is from    6.008 sec. to    7.008 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.30589   ( -1.44631   1.11111 )
beta        : -9.01367    ( -0.986329   19.0137 )
Epeak [keV] : 19.1826      ( -27.9605 56.7107 )
Norm@50keV   : 8.562928E-02    ( -586.544   285.034 )
------------------------------------------------------------
 Chi-Squared =      56.90586     using    59 PHA bins.
 Reduced chi-squared =      1.034652     for     55 degrees of freedom
 Null hypothesis probability = 0.404
 
Photon flux (15-150 keV)    in 1.000 sec: 2.57839 ( -0.42518  0.43894 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.14466e-07 ( -2.02916e-08  2.6001e-08 ) ergs/cm2
 
Plot creation:
Mon Jan  7 10:24:49 EST 2008