batgrbproduct Analysis for Trigger=354387

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.44
    Process Start Time (local time): Tue Jun  9 04:29:36 EDT 2009
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger354387/GCN5_download_cron
======================================================================

  Trigger: 00354387      Segment: 000

  BAT Trigger Time: 266156941.84   [s; MET]
      Trigger Stop: 266156941.904   [s; MET]
               UTC: 2009-06-08T12:28:57.030360    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 197.302415310893   Dec: 55.8641674081595  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.08
     Image Trigger?:     NO
     Rate S/N Ratio:     10.1488915650922  [ if not an image trigger ]
     Image S/N Ratio:    6.08

  Flight Position:   [ source = BAT ]
    RA: 197.302415310893   Dec: 55.8641674081595  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 197.419708184287   Dec: 55.882981762137  [deg; J2000]  
        { 13h 09m 40.7s , +55d 52' 58.7" }
         +/- 3.92762870970878 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.11887996449883 [arcmin] (formal 1-sigma fit error)
    SNR: 4.30884258875679
 
  Angular difference between Flight and Ground position is 4.106434 arcmin
 
  Partial Coding Fraction: 0.7421875    [ 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     0.000320   0.000871   0.005065   0.007885
           0.001417   0.001437   0.001574   0.001703 [error]
 Peak      0.000320   0.000871   0.005065   0.007885
           0.001417   0.001437   0.001574   0.001703 [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 9.01e-12 9.92e-11 9.93e-10 6.98e-08 4.25e-09 7.09e-08   erg/cm2
              Error 6.28e-11 2.42e-10 9.57e-10 5.83e-08 3.33e-09 5.90e-08   erg/cm2
Peak flux Power-law 4.27e-03 2.46e-02 1.23e-01 2.68e+00 3.93e-01 2.83e+00   ph/cm2/s
              Error 3.08e-02 6.36e-02 1.23e-01 1.92e+00 3.35e-01 1.88e+00   ph/cm2/s
 
Fluence   Cutoff-PL 8.96e-12 1.00e-10 1.02e-09 7.22e-08 4.36e-09 7.33e-08   erg/cm2
              Error 6.20e-11 2.41e-10 9.57e-10 6.60e-08 3.36e-09 6.66e-08   erg/cm2
Peak flux Cutoff-PL 4.25e-03 2.48e-02 1.26e-01 2.76e+00 4.03e-01 2.91e+00   ph/cm2/s
              Error 3.04e-02 6.32e-02 1.23e-01 2.18e+00 3.10e-01 2.13e+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   -1.294    1.386    -      -           1.46e-03 2.39e-03   69.790 57
CPL  -4.991    0.000     213.0  334.7      3.91e-03 1.82e-02   69.400 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -1.294    1.386    -      -           1.46e-03 2.39e-03   69.790 57
CPL  -4.991    0.000     213.0  334.7      3.91e-03 1.82e-02   69.400 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
  197.4197 +55.8830 0.0447   32.1    0.2       0.0141     4.3  TRIG_00354387       
------------------------------------------
 
Foreground time interval of the image:
  0.000   0.064 (delta_t =   0.064 [sec])
Background time interval of the image:

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: -1.29363     ( -1.0833   1.68869 )
Norm@50keV  : 1.46449E-03    ( -0.0014478   0.00333124 )
------------------------------------------------------------
# Chi-Squared =          69.79 using 59 PHA bins.
# Reduced chi-squared =          1.224 for     57 degrees of freedom 
# Null hypothesis probability =   1.190648e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 0.393065 ( -0.393065  0.277407 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.24513e-09 ( -4.24513e-09  2.41263e-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: -4.99127     (     )
Epeak [keV] : 213.005      ( -212.641 456.781 )
Norm@50keV  : 3.90890E-03    ( -0.0040089   0.032319 )
------------------------------------------------------------
# Chi-Squared =          69.40 using 59 PHA bins.
# Reduced chi-squared =          1.239 for     56 degrees of freedom 
# Null hypothesis probability =   1.076959e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 0.402872 ( -0.352461  0.267416 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.3612e-09 ( -4.3612e-09  2.36744e-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       : 4.35514   ( 0.224461   0.224461 )
beta        : -9.37167    ( -1.69569   1.07367 )
Epeak [keV] : 232.502      ( -142.053 743.473 )
Norm@50keV   : 3.48264E-03    ( -0.00347272   0.216422 )
------------------------------------------------------------
# Chi-Squared =          69.44 using 59 PHA bins.
# Reduced chi-squared =          1.263 for     55 degrees of freedom 
# Null hypothesis probability =   9.104402e-02
 
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: -1.29363     ( -1.0833   1.68869 )
Norm@50keV  : 1.46449E-03    ( -0.0014478   0.00333124 )
------------------------------------------------------------
# Chi-Squared =          69.79 using 59 PHA bins.
# Reduced chi-squared =          1.224 for     57 degrees of freedom 
# Null hypothesis probability =   1.190648e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 0.393065 ( -0.393065  0.277407 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.24513e-09 ( -4.24513e-09  2.41263e-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: -4.99127     (     )
Epeak [keV] : 213.005      ( -212.641 456.781 )
Norm@50keV  : 3.90890E-03    ( -0.0040089   0.032319 )
------------------------------------------------------------
# Chi-Squared =          69.40 using 59 PHA bins.
# Reduced chi-squared =          1.239 for     56 degrees of freedom 
# Null hypothesis probability =   1.076959e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 0.402872 ( -0.352461  0.267416 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.3612e-09 ( -4.3612e-09  2.36744e-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       : 4.35514   ( 0.224461   0.224461 )
beta        : -9.37167    ( -1.69569   1.07367 )
Epeak [keV] : 232.502      ( -142.053 743.473 )
Norm@50keV   : 3.48264E-03    ( -0.00347272   0.216422 )
------------------------------------------------------------
# Chi-Squared =          69.44 using 59 PHA bins.
# Reduced chi-squared =          1.263 for     55 degrees of freedom 
# Null hypothesis probability =   9.104402e-02
 
Photon flux (15-150 keV)    in 0.064 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Plot creation:
Tue Jun  9 04:50:19 EDT 2009