batgrbproduct Analysis for Trigger=356284

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.45
    Process Start Time (local time): Fri Jul  3 03:41:33 EDT 2009
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger356284/GCN5_download_cron
======================================================================

  Trigger: 00356284      Segment: 000

  BAT Trigger Time: 268242925.184   [s; MET]
      Trigger Stop: 268242925.2   [s; MET]
               UTC: 2009-07-02T15:55:20.307140    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 163.668006906365   Dec: -12.0186905067909  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    5.65
     Image Trigger?:     NO
     Rate S/N Ratio:     6.85565460040104  [ if not an image trigger ]
     Image S/N Ratio:    5.65

  Flight Position:   [ source = BAT ]
    RA: 163.668006906365   Dec: -12.0186905067909  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 163.670714300948   Dec: -11.9630114685767  [deg; J2000]  
        { 10h 54m 41.0s , -11d 57' 46.8" }
         +/- 4.54222206298973 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.24678330402962 [arcmin] (formal 1-sigma fit error)
    SNR: 3.50076998259385
 
  Angular difference between Flight and Ground position is 3.344519 arcmin
 
  Partial Coding Fraction: 0.90625    [ including projection effects ]

  Duration
     T90: 0.0160000026226044 +/- 
        Measured from: 0
                   to: 0.0160000026226044     [s; relative to TRIGTIME]
     T50: 0.0160000026226044 +/- 
        Measured from: 0
                   to: 0.0160000026226044     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 0.0160000026226044 second)
        Measured from: -1.49011611938477e-08     
                   to: 0.0159999877214432     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 0.0160000026226044     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.002445   0.002461  -0.000132  -0.000822
           0.000862   0.000788   0.000655   0.000592 [error]
 Peak      0.002445   0.002461  -0.000132  -0.000822
           0.000862   0.000788   0.000655   0.000592 [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 5.06e-10 3.10e-10 1.22e-10 6.41e-11 9.70e-10 1.00e-09   erg/cm2
              Error 4.18e-10 2.70e-10 1.52e-10 1.60e-10 6.50e-10 6.98e-10   erg/cm2
Peak flux Power-law 1.06e+00 3.67e-01 7.21e-02 1.67e-02 1.51e+00 1.52e+00   ph/cm2/s
              Error 8.81e-01 3.16e-01 8.78e-02 3.76e-02 1.22e+00 1.22e+00   ph/cm2/s
 
Fluence   Cutoff-PL 5.17e-10 6.42e-10 2.55e-10 2.97e-12 5.55e-17 9.03e-10   erg/cm2
              Error 2.88e-10 1.30e-10 1.05e-12 5.44e-10 7.03e-10 0.00e+00   erg/cm2
Peak flux Cutoff-PL 1.06e+00 3.67e-01 7.20e-02 1.66e-02 1.51e+00 1.52e+00   ph/cm2/s
              Error 8.81e-01 3.16e-01 8.78e-02 3.75e-02 1.22e+00 1.22e+00   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    3.349    1.818    -      -           4.21e-03 4.38e-03   47.120 57
CPL   1.000    0.000      50.0    0.0      1.49e-02 0.00e+00   51.260 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    3.349    1.818    -      -           4.21e-03 4.38e-03   47.120 57
CPL   1.000    0.000      50.0    0.0      1.49e-02 0.00e+00   51.260 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    0.016    0.000    0.016
T90     0.016    0.000    0.016
T50     0.016    0.000    0.016
Peak    0.016   -0.000    0.016

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  163.6707 -11.9630 0.0548   26.4 -162.7       0.0046     3.5  TRIG_00356284       
------------------------------------------
 
Foreground time interval of the image:
  0.000   0.016 (delta_t =   0.016 [sec])
Background time interval of the image:
-60.184  -5.184 (delta_t =  55.000 [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    0.000 sec. to    0.016 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.34909     ( -1.02292   2.61384 )
Norm@50keV  : 4.21482E-03    ( -0.00421481   0.00453883 )
------------------------------------------------------------
# Chi-Squared =          47.12 using 59 PHA bins.
# Reduced chi-squared =         0.8267 for     57 degrees of freedom 
# Null hypothesis probability =   8.215888e-01
 
Photon flux (15-150 keV)    in 0.016 sec: 1.51074 ( -1.51074  0.920468 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.70469e-10 ( -6.49688e-10  6.51261e-10 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    0.016 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 1.49330E-02    (     )
------------------------------------------------------------
# Chi-Squared =          51.26 using 59 PHA bins.
# Reduced chi-squared =         0.9154 for     56 degrees of freedom 
# Null hypothesis probability =   6.544101e-01
 
Photon flux (15-150 keV)    in 0.016 sec: 1.51019 ( -1.51019  0.92025 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.02835e-10 ( -5.26011e-10  5.61122e-10 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    0.016 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.38550   ( -4.56252   -4.56252 )
beta        : -9.99721    ( 1136.67   1146.66 )
Epeak [keV] : 17.8244      ( -10.1399 7.8259 )
Norm@50keV   : 9788.75    ( -9700.34   7067.62 )
------------------------------------------------------------
# Chi-Squared =          45.70 using 59 PHA bins.
# Reduced chi-squared =         0.8310 for     55 degrees of freedom 
# Null hypothesis probability =   8.098765e-01
 
Photon flux (15-150 keV)    in 0.016 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 

Peak spectrum fit using the pre-slew DRM

Power-law model
Time interval is from    0.000 sec. to    0.016 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.34909     ( -1.02292   2.61384 )
Norm@50keV  : 4.21482E-03    ( -0.00421481   0.00453883 )
------------------------------------------------------------
# Chi-Squared =          47.12 using 59 PHA bins.
# Reduced chi-squared =         0.8267 for     57 degrees of freedom 
# Null hypothesis probability =   8.215888e-01
 
Photon flux (15-150 keV)    in 0.016 sec: 1.51074 ( -1.51074  0.920468 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.70469e-10 ( -6.49688e-10  6.51261e-10 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    0.016 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00000     (     )
Epeak [keV] : 50.0000      (   )
Norm@50keV  : 1.49330E-02    (     )
------------------------------------------------------------
# Chi-Squared =          51.26 using 59 PHA bins.
# Reduced chi-squared =         0.9154 for     56 degrees of freedom 
# Null hypothesis probability =   6.544101e-01
 
Photon flux (15-150 keV)    in 0.016 sec: 1.51019 ( -1.51019  0.92025 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.02835e-10 ( -5.26011e-10  5.61122e-10 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    0.016 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.38550   ( -4.56252   -4.56252 )
beta        : -9.99721    ( 1136.67   1146.66 )
Epeak [keV] : 17.8244      ( -10.14 7.82562 )
Norm@50keV   : 9788.75    ( -9700.34   7067.62 )
------------------------------------------------------------
# Chi-Squared =          45.70 using 59 PHA bins.
# Reduced chi-squared =         0.8310 for     55 degrees of freedom 
# Null hypothesis probability =   8.098765e-01
 
Photon flux (15-150 keV)    in 0.016 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Plot creation:
Fri Jul  3 03:49:19 EDT 2009