batgrbproduct Analysis for Trigger=359911

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.45
    Process Start Time (local time): Fri Aug 14 03:11:59 EDT 2009
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger359911/GCN5_download_cron
======================================================================

  Trigger: 00359911      Segment: 000

  BAT Trigger Time: 271864068.032   [s; MET]
      Trigger Stop: 271864069.056   [s; MET]
               UTC: 2009-08-13T13:47:43.037760    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 193.565584260908   Dec: 74.0420831725099  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    5.68
     Image Trigger?:     NO
     Rate S/N Ratio:     66.0302960768767  [ if not an image trigger ]
     Image S/N Ratio:    5.68

  Flight Position:   [ source = BAT ]
    RA: 193.565584260908   Dec: 74.0420831725099  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 193.328774948868   Dec: 74.0591706280812  [deg; J2000]  
        { 12h 53m 18.9s , +74d 03' 33.0" }
         +/- 3.86296885482332 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.02300288590151 [arcmin] (formal 1-sigma fit error)
    SNR: 4.4122439199955
 
  Angular difference between Flight and Ground position is 4.036704 arcmin
 
  Partial Coding Fraction: 1    [ including projection effects ]

  Duration
     T90: 1.02399998903275 +/- 
        Measured from: 0
                   to: 1.02399998903275     [s; relative to TRIGTIME]
     T50: 1.02399998903275 +/- 
        Measured from: 0
                   to: 1.02399998903275     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 1.02399998903275 second)
        Measured from: 2.98023223876953e-08     
                   to: 1.02400001883507     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 1.02399998903275     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.021502   0.017388   0.006303   0.001544
           0.005258   0.005629   0.005508   0.005839 [error]
 Peak      0.021502   0.017388   0.006303   0.001544
           0.005258   0.005629   0.005508   0.005839 [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 5.40e-09 7.22e-09 7.11e-09 1.26e-08 2.38e-08 3.23e-08   erg/cm2
              Error 2.15e-09 2.54e-09 4.70e-09 1.89e-08 1.09e-08 2.34e-08   erg/cm2
Peak flux Power-law 1.72e-01 1.27e-01 6.26e-02 4.38e-02 3.82e-01 4.05e-01   ph/cm2/s
              Error 6.99e-02 4.34e-02 4.00e-02 5.62e-02 1.23e-01 1.40e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.40e-09 7.23e-09 7.10e-09 1.24e-08 2.38e-08 3.03e-08   erg/cm2
              Error 2.15e-09 2.55e-09 4.71e-09 1.87e-08 1.09e-08 3.10e-08   erg/cm2
Peak flux Cutoff-PL 1.72e-01 1.27e-01 6.25e-02 4.34e-02 3.82e-01 3.95e-01   ph/cm2/s
              Error 7.00e-02 4.34e-02 4.00e-02 5.58e-02 1.23e-01 1.49e-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    2.023    0.700    -      -           2.52e-03 1.22e-03   71.220 57
CPL   1.811    0.000      32.3    0.0      3.43e-03 0.00e+00   71.250 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.023    0.700    -      -           2.52e-03 1.22e-03   71.220 57
CPL   1.811    0.000      32.3    0.0      3.43e-03 0.00e+00   71.250 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    1.024    0.000    1.024
T90     1.024    0.000    1.024
T50     1.024    0.000    1.024
Peak    1.024    0.000    1.024

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  193.3288 +74.0592 0.0435   14.8 -137.8       0.0503     4.4  TRIG_00359911       
------------------------------------------
 
Foreground time interval of the image:
  0.000   1.024 (delta_t =   1.024 [sec])
Background time interval of the image:
-60.032  -4.032 (delta_t =  56.000 [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    1.024 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.02330     ( -0.625698   0.774083 )
Norm@50keV  : 2.51998E-03    ( -0.0012439   0.00119928 )
------------------------------------------------------------
# Chi-Squared =          71.22 using 59 PHA bins.
# Reduced chi-squared =          1.249 for     57 degrees of freedom 
# Null hypothesis probability =   9.747875e-02
 
Photon flux (15-150 keV)    in 1.024 sec: 0.382103 ( -0.122639  0.123333 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.38285e-08 ( -1.00546e-08  1.16633e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    1.024 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.81108     (     )
Epeak [keV] : 32.2524      (   )
Norm@50keV  : 3.42602E-03    (     )
------------------------------------------------------------
# Chi-Squared =          71.25 using 59 PHA bins.
# Reduced chi-squared =          1.272 for     56 degrees of freedom 
# Null hypothesis probability =   8.230886e-02
 
Photon flux (15-150 keV)    in 1.024 sec: 0.381958 ( -0.122598  0.12329 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.38199e-08 ( -1.00505e-08  1.16596e-08 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    1.024 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.99951   ( -3865.03   -3865.03 )
beta        : -2.21902    ( -1.77953   0.759021 )
Epeak [keV] : 21.1879      ( -21.0982 8.94933 )
Norm@50keV   : 1312.30    ( -1237.25   4.34564e+06 )
------------------------------------------------------------
# Chi-Squared =          70.63 using 59 PHA bins.
# Reduced chi-squared =          1.284 for     55 degrees of freedom 
# Null hypothesis probability =   7.623994e-02
 
Photon flux (15-150 keV)    in 1.024 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    1.024 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.02330     ( -0.625698   0.774083 )
Norm@50keV  : 2.51998E-03    ( -0.0012439   0.00119928 )
------------------------------------------------------------
# Chi-Squared =          71.22 using 59 PHA bins.
# Reduced chi-squared =          1.249 for     57 degrees of freedom 
# Null hypothesis probability =   9.747875e-02
 
Photon flux (15-150 keV)    in 1.024 sec: 0.382103 ( -0.122639  0.123333 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.38285e-08 ( -1.00546e-08  1.16633e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    1.024 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.81108     (     )
Epeak [keV] : 32.2524      (   )
Norm@50keV  : 3.42602E-03    (     )
------------------------------------------------------------
# Chi-Squared =          71.25 using 59 PHA bins.
# Reduced chi-squared =          1.272 for     56 degrees of freedom 
# Null hypothesis probability =   8.230886e-02
 
Photon flux (15-150 keV)    in 1.024 sec: 0.381958 ( -0.122598  0.12329 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.38199e-08 ( -1.00505e-08  1.16596e-08 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    1.024 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.99951   ( -3865.03   -3865.03 )
beta        : -2.21902    ( -1.77953   0.759021 )
Epeak [keV] : 21.1879      ( -21.0982 8.94933 )
Norm@50keV   : 1312.30    ( -1237.25   4.34562e+06 )
------------------------------------------------------------
# Chi-Squared =          70.63 using 59 PHA bins.
# Reduced chi-squared =          1.284 for     55 degrees of freedom 
# Null hypothesis probability =   7.623994e-02
 
Photon flux (15-150 keV)    in 1.024 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Plot creation:
Fri Aug 14 03:17:45 EDT 2009