batgrbproduct Analysis for Trigger=359904

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.45
    Process Start Time (local time): Fri Aug 14 00:09:58 EDT 2009
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger359904/GCN5_download_cron
======================================================================

  Trigger: 00359904      Segment: 000

  BAT Trigger Time: 271855374.596   [s; MET]
      Trigger Stop: 271855374.66   [s; MET]
               UTC: 2009-08-13T11:22:49.602060    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 13.6413347373963   Dec: -17.6998192374966  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    5.86
     Image Trigger?:     NO
     Rate S/N Ratio:     9.38083151964686  [ if not an image trigger ]
     Image S/N Ratio:    5.86

  Flight Position:   [ source = BAT ]
    RA: 13.6413347373963   Dec: -17.6998192374966  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 13.6690897906069   Dec: -17.6569723902377  [deg; J2000]  
        { 00h 54m 40.6s , -17d 39' 25.1" }
         +/- 5.27627770314446 [arcmin] (estimated 90% radius based on SNR)
         +/- 4.31169678813993 [arcmin] (formal 1-sigma fit error)
    SNR: 2.82632268064779
 
  Angular difference between Flight and Ground position is 3.021020 arcmin
 
  Partial Coding Fraction: 0.890625    [ including projection effects ]

  Duration
     T90: 0.0640000104904175 +/- 
        Measured from: 0
                   to: 0.0640000104904175     [s; relative to TRIGTIME]
     T50: 0.0640000104904175 +/- 
        Measured from: 0
                   to: 0.0640000104904175     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 0.0640000104904175 second)
        Measured from: 0     
                   to: 0.0640000104904175     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 0.0640000104904175     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.001540  -0.001343   0.003575   0.005507
           0.001474   0.001421   0.001511   0.001686 [error]
 Peak      0.001540  -0.001343   0.003575   0.005507
           0.001474   0.001421   0.001511   0.001686 [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 4.00e-12 5.18e-11 6.12e-10 5.73e-08 2.83e-09 5.64e-08   erg/cm2
              Error 1.84e-10 3.52e-10 9.65e-10 5.57e-08 3.10e-09 5.62e-08   erg/cm2
Peak flux Power-law 1.91e-03 1.28e-02 7.54e-02 2.16e+00 2.56e-01 2.25e+00   ph/cm2/s
              Error 9.33e-02 9.53e-02 1.25e-01 2.08e+00 3.41e-01 2.15e+00   ph/cm2/s
 
Fluence   Cutoff-PL 2.90e-12 4.23e-11 5.67e-10 6.53e-08 2.79e-09 6.59e-08   erg/cm2
              Error 1.78e-10 3.46e-10 9.61e-10 6.30e-08 3.10e-09 6.35e-08   erg/cm2
Peak flux Cutoff-PL 1.36e-03 1.03e-02 6.93e-02 2.42e+00 2.47e-01 2.51e+00   ph/cm2/s
              Error 9.02e-02 9.41e-02 1.25e-01 2.32e+00 3.39e-01 2.39e+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   -1.366    1.353    -      -           9.98e-04 2.88e-03   59.650 57
CPL  -2.318    1.316    10000.0    0.0      4.07e-04 2.82e-03   59.470 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -1.366    1.353    -      -           9.98e-04 2.88e-03   59.650 57
CPL  -2.318    1.315    10000.0    0.0      4.07e-04 2.82e-03   59.470 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    0.064    0.000    0.064
T90     0.064    0.000    0.064
T50     0.064    0.000    0.064
Peak    0.064    0.000    0.064

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   13.6691 -17.6570 0.0678   21.0  -39.6       0.0086     2.8  TRIG_00359904       
------------------------------------------
 
Foreground time interval of the image:
  0.000   0.064 (delta_t =   0.064 [sec])
Background time interval of the image:
-60.596  -6.596 (delta_t =  54.000 [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    0.064 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.36582     ( 1.37921   4.086 )
Norm@50keV  : 9.98427E-04    ( -0.000970344   0.00479961 )
------------------------------------------------------------
# Chi-Squared =          59.65 using 59 PHA bins.
# Reduced chi-squared =          1.046 for     57 degrees of freedom 
# Null hypothesis probability =   3.795397e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 0.255690 ( -0.25569  0.426063 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.83439e-09 ( -2.83443e-09  3.36665e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    0.064 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -2.31798     ( 1.53029   4.16262 )
Epeak [keV] : 10000.00      (   )
Norm@50keV  : 4.06922E-04    ( -0.00040226   0.0052358 )
------------------------------------------------------------
# Chi-Squared =          59.47 using 59 PHA bins.
# Reduced chi-squared =          1.062 for     56 degrees of freedom 
# Null hypothesis probability =   3.504390e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 0.246960 ( -0.24696  0.43041 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.78907e-09 ( -2.78907e-09  3.40952e-09 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    0.064 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.548649   ( -0.545883   -0.545883 )
beta        : 1.56579    ( -4.16478   -1.56224 )
Epeak [keV] : 11.4020      ( -11.4223 -11.4223 )
Norm@50keV   : 2.35394E-03    ( 0.822496   -0.00235144 )
------------------------------------------------------------
# Chi-Squared =          59.63 using 59 PHA bins.
# Reduced chi-squared =          1.084 for     55 degrees of freedom 
# Null hypothesis probability =   3.110328e-01
 
Photon flux (15-150 keV)    in 0.064 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    0.064 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.36582     ( 1.37921   4.086 )
Norm@50keV  : 9.98427E-04    ( -0.000970344   0.00479961 )
------------------------------------------------------------
# Chi-Squared =          59.65 using 59 PHA bins.
# Reduced chi-squared =          1.046 for     57 degrees of freedom 
# Null hypothesis probability =   3.795397e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 0.255690 ( -0.25569  0.426063 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.83439e-09 ( -2.83443e-09  3.36665e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    0.064 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -2.31798     ( 1.53029   4.15987 )
Epeak [keV] : 10000.00      (   )
Norm@50keV  : 4.06922E-04    ( -0.00040226   0.0052358 )
------------------------------------------------------------
# Chi-Squared =          59.47 using 59 PHA bins.
# Reduced chi-squared =          1.062 for     56 degrees of freedom 
# Null hypothesis probability =   3.504390e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 0.246960 ( -0.24696  0.43041 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.78907e-09 ( -2.78907e-09  3.40952e-09 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    0.064 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.548649   ( -0.545883   -0.545883 )
beta        : 1.56579    ( -4.16478   -1.56224 )
Epeak [keV] : 11.4020      ( -11.4223 -11.4223 )
Norm@50keV   : 2.35394E-03    ( 0.822496   -0.00235144 )
------------------------------------------------------------
# Chi-Squared =          59.63 using 59 PHA bins.
# Reduced chi-squared =          1.084 for     55 degrees of freedom 
# Null hypothesis probability =   3.110328e-01
 
Photon flux (15-150 keV)    in 0.064 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Plot creation:
Fri Aug 14 00:19:24 EDT 2009