batgrbproduct Analysis for Trigger=373679

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.45
    Process Start Time (local time): Sat Oct 24 17:49:10 EDT 2009
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger373679/GCN5_download_cron
======================================================================

  Trigger: 00373679      Segment: 000

  BAT Trigger Time: 278076344   [s; MET]
      Trigger Stop: 278076408   [s; MET]
               UTC: 2009-10-24T11:25:38.801040    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 300.630369870914   Dec: 34.8540083617864  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    13.11
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    13.11

  Flight Position:   [ source = BAT ]
    RA: 300.630369870914   Dec: 34.8540083617864  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 300.62204285163   Dec: 34.8524745639275  [deg; J2000]  
        { 20h 02m 29.3s , +34d 51' 08.9" }
         +/- 1.66720430369253 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.629235671437416 [arcmin] (formal 1-sigma fit error)
    SNR: 14.6551912522404
 
  Angular difference between Flight and Ground position is 0.420200 arcmin
 
  Partial Coding Fraction: 0.59375    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.454323   0.666454   0.390380   0.104431
           0.051226   0.053745   0.049192   0.045695 [error]
 Peak      0.454323   0.666454   0.390380   0.104431
           0.051226   0.053745   0.049192   0.045695 [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 1.63e-07 2.68e-07 3.34e-07 8.28e-07 9.98e-07 1.59e-06   erg/cm2
              Error 2.37e-08 2.60e-08 4.75e-08 2.38e-07 1.13e-07 2.84e-07   erg/cm2
Peak flux Power-law 8.24e-02 7.45e-02 4.65e-02 4.42e-02 2.22e-01 2.48e-01   ph/cm2/s
              Error 1.22e-02 7.29e-03 6.39e-03 1.18e-02 2.16e-02 2.44e-02   ph/cm2/s
 
Fluence   Cutoff-PL 1.46e-07 3.05e-07 3.25e-07 1.68e-07 9.45e-07 0.00e+00   erg/cm2
              Error 2.71e-08 3.76e-08 5.93e-08 2.49e-07 0.00e+00 0.00e+00   erg/cm2
Peak flux Cutoff-PL 7.30e-02 8.42e-02 4.64e-02 1.22e-02 2.13e-01 2.16e-01   ph/cm2/s
              Error 1.41e-02 1.02e-02 7.77e-03 1.24e-02 2.24e-02 2.52e-02   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    1.682    0.165    -      -           1.68e-03 1.80e-04   56.730 57
CPL   0.584    0.886      55.7   22.7      6.98e-03 1.27e-02   50.560 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.682    0.165    -      -           1.68e-03 1.80e-04   56.730 57
CPL   0.584    0.886      55.7   22.7      6.98e-03 1.27e-02   50.560 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   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  300.6220 +34.8525 0.0131   34.0 -142.7       1.6330    14.7  TRIG_00373679       
------------------------------------------
 
Foreground time interval of the image:
  0.000  64.000 (delta_t =  64.000 [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   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.68177     ( -0.163158   0.167072 )
Norm@50keV  : 1.68232E-03    ( -0.000180677   0.000178644 )
------------------------------------------------------------
# Chi-Squared =          56.73 using 59 PHA bins.
# Reduced chi-squared =         0.9953 for     57 degrees of freedom 
# Null hypothesis probability =   4.849937e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.222027 ( -0.0215619  0.0215713 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.98394e-07 ( -1.1242e-07  1.14172e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.583963     ( -0.98965   0.782405 )
Epeak [keV] : 55.7265      ( -10.5253 34.9264 )
Norm@50keV  : 6.98161E-03    ( -0.00699346   0.0184609 )
------------------------------------------------------------
# Chi-Squared =          50.56 using 59 PHA bins.
# Reduced chi-squared =         0.9028 for     56 degrees of freedom 
# Null hypothesis probability =   6.802311e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.213024 ( -0.022438  0.022459 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.27474   ( -3.15292   -2.14486 )
beta        : -2.04517    ( 2.04517   0.318623 )
Epeak [keV] : 32.9834      ( -9.00799 31.8354 )
Norm@50keV   : 0.766720    ( -0.768333   34.1735 )
------------------------------------------------------------
# Chi-Squared =          48.36 using 59 PHA bins.
# Reduced chi-squared =         0.8792 for     55 degrees of freedom 
# Null hypothesis probability =   7.246097e-01
 
Photon flux (15-150 keV)    in 64 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   64.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.68177     ( -0.163158   0.167072 )
Norm@50keV  : 1.68232E-03    ( -0.000180677   0.000178644 )
------------------------------------------------------------
# Chi-Squared =          56.73 using 59 PHA bins.
# Reduced chi-squared =         0.9953 for     57 degrees of freedom 
# Null hypothesis probability =   4.849937e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.222027 ( -0.0215619  0.0215713 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.98394e-07 ( -1.1242e-07  1.14172e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to   64.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.583963     ( -0.98965   0.782405 )
Epeak [keV] : 55.7265      ( -10.5253 34.9264 )
Norm@50keV  : 6.98161E-03    ( -0.00699346   0.0184609 )
------------------------------------------------------------
# Chi-Squared =          50.56 using 59 PHA bins.
# Reduced chi-squared =         0.9028 for     56 degrees of freedom 
# Null hypothesis probability =   6.802311e-01
 
Photon flux (15-150 keV)    in 64 sec: 0.213024 ( -0.022438  0.022459 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to   64.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.27474   ( -3.15292   -2.14486 )
beta        : -2.04517    ( 2.04517   0.318623 )
Epeak [keV] : 32.9834      ( -9.00799 31.8354 )
Norm@50keV   : 0.766720    ( -0.768333   34.1735 )
------------------------------------------------------------
# Chi-Squared =          48.36 using 59 PHA bins.
# Reduced chi-squared =         0.8792 for     55 degrees of freedom 
# Null hypothesis probability =   7.246097e-01
 
Photon flux (15-150 keV)    in 64 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Plot creation:
Sat Oct 24 18:03:24 EDT 2009