batgrbproduct Analysis for Trigger=641332

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun May 24 15:01:24 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger641332/GCN5_download_cron
======================================================================

  Trigger: 00641332      Segment: 000

  BAT Trigger Time: 454063760   [s; MET]
      Trigger Stop: 454063824   [s; MET]
               UTC: 2015-05-23T08:49:06.382100    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 353.475695770042   Dec: -35.9873500211324  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    6.04
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    6.04

  Flight Position:   [ source = BAT ]
    RA: 353.475695770042   Dec: -35.9873500211324  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 353.490002936372   Dec: -35.9673022803386  [deg; J2000]  
        { 23h 33m 57.6s , -35d 58' 02.3" }
         +/- 4.08691790384114 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.63585583073334 [arcmin] (formal 1-sigma fit error)
    SNR: 4.07094885187764
 
  Angular difference between Flight and Ground position is 1.389053 arcmin
 
  Partial Coding Fraction: 0.7109375    [ 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     0.204596   0.179986   0.082433  -0.033914
           0.059710   0.062772   0.057788   0.058388 [error]
 Peak      0.204596   0.179986   0.082433  -0.033914
           0.059710   0.062772   0.057788   0.058388 [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 6.12e-08 7.88e-08 7.41e-08 1.23e-07 2.55e-07 3.37e-07   erg/cm2
              Error 2.72e-08 2.98e-08 4.95e-08 1.84e-07 1.17e-07 2.34e-07   erg/cm2
Peak flux Power-law 3.12e-02 2.22e-02 1.05e-02 6.92e-03 6.72e-02 7.08e-02   ph/cm2/s
              Error 1.41e-02 8.22e-03 6.77e-03 9.56e-03 2.38e-02 2.60e-02   ph/cm2/s
 
Fluence   Cutoff-PL 6.01e-08 8.90e-08 5.88e-08 1.62e-08 2.19e-07 2.32e-07   erg/cm2
              Error 2.88e-08 4.09e-08 6.26e-08 1.71e-07 1.30e-07 2.42e-07   erg/cm2
Peak flux Cutoff-PL 3.03e-02 2.51e-02 8.64e-03 1.15e-03 6.51e-02 6.52e-02   ph/cm2/s
              Error 1.50e-02 1.15e-02 8.75e-03 8.94e-03 2.40e-02 2.68e-02   ph/cm2/s
 
Fluence        Band 6.31e-08 8.78e-08 5.72e-08 5.76e-08 2.33e-07 2.66e-07   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band -------- -------- -------- -------- -------- --------   ph/cm2/s
              Error -------- -------- -------- -------- -------- --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.088    0.718    -      -           4.30e-04 2.15e-04   74.210 57
CPL   1.017    1.050      32.1    0.0      2.12e-03 0.00e+00   73.860 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.088    0.718    -      -           4.30e-04 2.15e-04   74.210 57
CPL   1.017    1.050      32.1    0.0      2.12e-03 0.00e+00   73.860 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
  353.4900 -35.9673 0.0472   33.8 -174.1       0.5167     4.1  TRIG_00641332       
------------------------------------------
 
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: 2.08790     ( -0.640306   0.794962 )
Norm@50keV  : 4.29966E-04    ( -0.000218413   0.000211608 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          74.21 using 59 PHA bins.
# Reduced chi-squared =          1.302 for     57 degrees of freedom 
# Null hypothesis probability =   6.248217e-02
 
Photon flux (15-150 keV)    in 64 sec: 6.72435E-02 ( -0.0238097  0.023838 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.55382e-07 ( -1.10573e-07  1.24058e-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: 1.01679     ( -0.99473   1.10466 )
Epeak [keV] : 32.0569      (   )
Norm@50keV  : 2.11543E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.86 using 59 PHA bins.
# Reduced chi-squared =          1.319 for     56 degrees of freedom 
# Null hypothesis probability =   5.510760e-02
 
Photon flux (15-150 keV)    in 64 sec: 6.50812E-02 ( -0.0236672  0.0243104 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.19268e-07 ( -1.09341e-07  1.51013e-07 ) 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       : -1.21568   ( -4.11657   6.31266 )
beta        : -10.0000    ( 10   5.32907e-15 )
Epeak [keV] : 32.5145      ( -19.4 -32.3875 )
Norm@50keV   : 1.54133E-03    ( -0.0015464   14.5859 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.88 using 59 PHA bins.
# Reduced chi-squared =          1.343 for     55 degrees of freedom 
# Null hypothesis probability =   4.558921e-02
 
Photon flux (15-150 keV)    in 64 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.32562e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 7.65680  (-2.54529  4.28448)
R^2/D10^2   : 8.98951E-02  (-0.0898707   0.37018)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          74.49 using 59 PHA bins.
# Reduced chi-squared =          1.307 for     57 degrees of freedom 
# Null hypothesis probability =   5.983625e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.892e-08   3.680e-08
25- 50  9.543e-08   6.019e-08
50-150  2.164e-08   1.813e-08
15-150  1.760e-07   1.113e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 48.6428       (-29.8388      -48.6426)
Norm        : 0.390435       (-0.183446     0.431407)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.88 using 59 PHA bins.
# Reduced chi-squared =          1.296 for     57 degrees of freedom 
# Null hypothesis probability =   6.577438e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.070e-08   3.738e-08
25- 50  8.632e-08   5.322e-08
50-150  8.164e-08   6.346e-08
15-150  2.287e-07   1.471e-07
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.05047        (-5.74838      4.78036)
R1^2/D10^2  : 0.189669        (      )
kT2 [keV]   : 23.1543        (-24.1059      -24.1059)
R2^2/D10^2  : 6.76067E-04    (-0.000584146   0.0203681)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.25 using 59 PHA bins.
#Fit statistic : Chi-Squared =          73.19 using 59 PHA bins.
# Reduced chi-squared =          1.332 for     55 degrees of freedom 
# Reduced chi-squared =          1.331 for     55 degrees of freedom 
# Null hypothesis probability =   5.053474e-02
# Null hypothesis probability =   5.099704e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.442e-08   4.550e-08
25- 50  8.417e-08   4.784e-08
50-150  8.532e-08   6.333e-08
15-150  2.339e-07   1.203e-07

Peak spectrum fit

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: 2.08790     ( -0.640306   0.794962 )
Norm@50keV  : 4.29966E-04    ( -0.000218413   0.000211608 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          74.21 using 59 PHA bins.
# Reduced chi-squared =          1.302 for     57 degrees of freedom 
# Null hypothesis probability =   6.248217e-02
 
Photon flux (15-150 keV)    in 64 sec: 6.72435E-02 ( -0.0238097  0.023838 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.55382e-07 ( -1.10573e-07  1.24058e-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: 1.01679     ( -0.99473   1.10466 )
Epeak [keV] : 32.0569      (   )
Norm@50keV  : 2.11543E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.86 using 59 PHA bins.
# Reduced chi-squared =          1.319 for     56 degrees of freedom 
# Null hypothesis probability =   5.510760e-02
 
Photon flux (15-150 keV)    in 64 sec: 6.50812E-02 ( -0.0236672  0.0243104 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.19268e-07 ( -1.09341e-07  1.51013e-07 ) 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       : -0.993199   ( -0.315316   6.48982 )
beta        : -10.0000    ( 10   20 )
Epeak [keV] : 31.9687      ( -21.8751 -31.9687 )
Norm@50keV   : 2.20474E-03    ( -0.00220474   25.0643 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.86 using 59 PHA bins.
# Reduced chi-squared =          1.343 for     55 degrees of freedom 
# Null hypothesis probability =   4.569886e-02
 
Photon flux (15-150 keV)    in 64 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.32562e-07 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 7.65680  (-2.54529  4.28448)
R^2/D10^2   : 8.98951E-02  (-0.0898707   0.37018)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          74.49 using 59 PHA bins.
# Reduced chi-squared =          1.307 for     57 degrees of freedom 
# Null hypothesis probability =   5.983625e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.892e-08   3.661e-08
25- 50  9.543e-08   6.413e-08
50-150  2.164e-08   1.819e-08
15-150  1.760e-07   1.109e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 48.6428       (-29.8388      -48.6426)
Norm        : 0.390435       (-0.183446     0.431407)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.88 using 59 PHA bins.
# Reduced chi-squared =          1.296 for     57 degrees of freedom 
# Null hypothesis probability =   6.577438e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.070e-08   3.808e-08
25- 50  8.632e-08   5.338e-08
50-150  8.164e-08   6.749e-08
15-150  2.287e-07   1.568e-07
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.05047        (-5.74838      4.78036)
R1^2/D10^2  : 0.189669        (      )
kT2 [keV]   : 23.1543        (-24.1059      -24.1059)
R2^2/D10^2  : 6.76067E-04    (-0.000584146   0.0203681)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.25 using 59 PHA bins.
#Fit statistic : Chi-Squared =          73.19 using 59 PHA bins.
# Reduced chi-squared =          1.332 for     55 degrees of freedom 
# Reduced chi-squared =          1.331 for     55 degrees of freedom 
# Null hypothesis probability =   5.053474e-02
# Null hypothesis probability =   5.099704e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.442e-08   4.189e-08
25- 50  8.417e-08   4.778e-08
50-150  8.532e-08   6.374e-08
15-150  2.339e-07   1.300e-07
Plot creation:
Sun May 24 15:06:02 EDT 2015