batgrbproduct Analysis for Trigger=382399

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.45
    Process Start Time (local time): Mon Jan 11 15:38:22 EST 2010
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger382399/GCN5_download_cron
======================================================================

  Trigger: 00382399      Segment: 000

  BAT Trigger Time: 284875974.464   [s; MET]
      Trigger Stop: 284875974.976   [s; MET]
               UTC: 2010-01-11T04:12:49.036100    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 247.038118029266   Dec: 15.5569602813662  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    12.08
     Image Trigger?:     NO
     Rate S/N Ratio:     18.1107702762748  [ if not an image trigger ]
     Image S/N Ratio:    12.08

  Flight Position:   [ source = BAT ]
    RA: 247.038118029266   Dec: 15.5569602813662  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 247.028787717854   Dec: 15.5386520819156  [deg; J2000]  
        { 16h 28m 06.9s , +15d 32' 19.1" }
         +/- 1.21910758609023 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.447730500703993 [arcmin] (formal 1-sigma fit error)
    SNR: 22.9192915364775
 
  Angular difference between Flight and Ground position is 1.223750 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 12.8839999437332 +/- 2.13374417749157
        Measured from: -5.63199985027313
                   to: 7.25200009346008     [s; relative to TRIGTIME]
     T50: 3.78399991989136 +/- 1.48283109071998
        Measured from: -0.395999848842621
                   to: 3.38800007104874     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.0320000052452087     
                   to: 1.03200000524521     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -7.50800001621246     
                   to: 8.7039999961853     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.370580   0.451655   0.271330   0.045588
           0.024588   0.024559   0.023014   0.023114 [error]
 Peak      0.068777   0.090846   0.064305   0.008387
           0.006663   0.006952   0.006564   0.005939 [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 1.10e-07 1.80e-07 2.23e-07 5.49e-07 6.67e-07 1.06e-06   erg/cm2
              Error 1.20e-08 1.17e-08 2.29e-08 1.21e-07 5.23e-08 1.40e-07   erg/cm2
Peak flux Power-law 6.07e-01 6.25e-01 4.53e-01 5.26e-01 1.89e+00 2.21e+00   ph/cm2/s
              Error 9.18e-02 5.69e-02 5.44e-02 1.32e-01 1.65e-01 2.03e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.10e-07 1.80e-07 2.23e-07 5.44e-07 6.67e-07 1.01e-06   erg/cm2
              Error 1.20e-08 1.18e-08 2.30e-08 1.20e-07 5.23e-08 2.26e-07   erg/cm2
Peak flux Cutoff-PL 6.07e-01 6.25e-01 4.53e-01 5.23e-01 1.89e+00 2.21e+00   ph/cm2/s
              Error 9.18e-02 5.70e-02 5.45e-02 1.31e-01 1.65e-01 2.02e-01   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    1.688    0.130    -      -           4.44e-03 3.24e-04   55.240 57
CPL   1.670    0.570     847.2    0.0      4.54e-03 0.00e+00   55.270 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.464    0.162    -      -           1.53e-02 1.40e-03   55.020 57
CPL   1.461    0.497    9999.6    0.0      1.53e-02 1.28e-02   55.020 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: 8.064000 sec.
T50 in the 50-300 keV band: 4.096000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   16.212   -7.508    8.704
T90    12.884   -5.632    7.252
T50     3.784   -0.396    3.388
Peak    1.000    0.032    1.032

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  247.0288 +15.5387 0.0084   16.1 -159.3       1.1060    22.9  TRIG_00382399       
------------------------------------------
 
Foreground time interval of the image:
 -7.508   8.704 (delta_t =  16.212 [sec])
Background time interval of the image:
-239.464  -7.508 (delta_t = 231.956 [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   -7.508 sec. to    8.704 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.68818     ( -0.128488   0.130644 )
Norm@50keV  : 4.44166E-03    ( -0.00032551   0.000321511 )
------------------------------------------------------------
# Chi-Squared =          55.24 using 59 PHA bins.
# Reduced chi-squared =         0.9691 for     57 degrees of freedom 
# Null hypothesis probability =   5.413242e-01
 
Photon flux (15-150 keV)    in 16.21 sec: 0.587487 ( -0.0384789  0.0385297 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.67268e-07 ( -5.19026e-08  5.26908e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -7.508 sec. to    8.704 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.67047     ( -0.421414   0.718987 )
Epeak [keV] : 847.194      (   )
Norm@50keV  : 4.53861E-03    (     )
------------------------------------------------------------
# Chi-Squared =          55.27 using 59 PHA bins.
# Reduced chi-squared =         0.9870 for     56 degrees of freedom 
# Null hypothesis probability =   5.023537e-01
 
Photon flux (15-150 keV)    in 16.21 sec: 0.587232 ( -0.038463  0.038514 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.67197e-07 ( -5.1906e-08  5.26922e-08 ) ergs/cm2
 
Band function
Time interval is from   -7.508 sec. to    8.704 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.20189   ( 1.20189   1.20189 )
beta        : -1.74567    ( 1.74567   0.179859 )
Epeak [keV] : 52.8756      ( -52.8756 -52.8756 )
Norm@50keV   : 9.21098E-03    ( -0.00921098   15.5953 )
------------------------------------------------------------
# Chi-Squared =          54.99 using 59 PHA bins.
# Reduced chi-squared =         0.9998 for     55 degrees of freedom 
# Null hypothesis probability =   4.750830e-01
 
Photon flux (15-150 keV)    in 16.21 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    0.032 sec. to    1.032 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.46373     ( -0.161115   0.162955 )
Norm@50keV  : 1.52807E-02    ( -0.00140983   0.00139608 )
------------------------------------------------------------
# Chi-Squared =          55.02 using 59 PHA bins.
# Reduced chi-squared =         0.9652 for     57 degrees of freedom 
# Null hypothesis probability =   5.497891e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.88963 ( -0.164712  0.164802 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.45862e-07 ( -1.51763e-08  1.54043e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.032 sec. to    1.032 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.46120     ( -0.422831   0.570242 )
Epeak [keV] : 9999.56      (   )
Norm@50keV  : 1.53291E-02    ( -0.0153291   0.0102839 )
------------------------------------------------------------
# Chi-Squared =          55.02 using 59 PHA bins.
# Reduced chi-squared =         0.9826 for     56 degrees of freedom 
# Null hypothesis probability =   5.117871e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.88895 ( -0.16466  0.16474 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.45858e-07 ( -1.518e-08  1.5409e-08 ) ergs/cm2
 
Band function
Time interval is from    0.032 sec. to    1.032 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.98026   ( -98.7566   -98.7566 )
beta        : -1.53261    ( -0.222949   0.17807 )
Epeak [keV] : 23.3717      ( -23.3669 5.23264 )
Norm@50keV   : 2310.11    ( -2317.82   27627.9 )
------------------------------------------------------------
# Chi-Squared =          53.59 using 59 PHA bins.
# Reduced chi-squared =         0.9743 for     55 degrees of freedom 
# Null hypothesis probability =   5.288060e-01
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Plot creation:
Mon Jan 11 15:58:31 EST 2010