batgrbproduct Analysis for Trigger=579683

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Nov 29 06:33:47 EST 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger579683/GCN5_download_cron
======================================================================

  Trigger: 00579683      Segment: 000

  BAT Trigger Time: 407343995.904   [s; MET]
      Trigger Stop: 407343996.416   [s; MET]
               UTC: 2013-11-28T15:06:24.575040    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 355.323120755133   Dec: 31.2793393516818  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.17
     Image Trigger?:     NO
     Rate S/N Ratio:     23.3023603954621  [ if not an image trigger ]
     Image S/N Ratio:    11.17

  Flight Position:   [ source = BAT ]
    RA: 355.323120755133   Dec: 31.2793393516818  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 355.305358813216   Dec: 31.29281155899  [deg; J2000]  
        { 23h 41m 13.3s , +31d 17' 34.1" }
         +/- 1.57814641678887 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.617785759529346 [arcmin] (formal 1-sigma fit error)
    SNR: 15.8507865504416
 
  Angular difference between Flight and Ground position is 1.217727 arcmin
 
  Partial Coding Fraction: 0.4101562    [ including projection effects ]

  Duration
     T90: 3 +/- 1.4142135623731
        Measured from: -0.903999865055084
                   to: 2.09600013494492     [s; relative to TRIGTIME]
     T50: 1 +/- 1
        Measured from: 0.0960001349449158
                   to: 1.09600013494492     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.0960000157356262     
                   to: 1.09600001573563     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.903999984264374     
                   to: 2.09600001573563     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.184041   0.190616   0.142322   0.016733
           0.017103   0.017947   0.015545   0.012191 [error]
 Peak      0.099287   0.116326   0.087221   0.003998
           0.010734   0.011518   0.009987   0.007193 [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 5.90e-08 8.97e-08 1.02e-07 2.23e-07 3.17e-07 4.74e-07   erg/cm2
              Error 8.59e-09 8.65e-09 1.50e-08 6.57e-08 3.52e-08 8.05e-08   erg/cm2
Peak flux Power-law 1.07e+00 9.05e-01 5.20e-01 4.44e-01 2.69e+00 2.94e+00   ph/cm2/s
              Error 1.67e-01 9.70e-02 7.70e-02 1.23e-01 2.89e-01 3.14e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.34e-08 9.70e-08 1.06e-07 8.83e-08 3.04e-07 3.45e-07   erg/cm2
              Error 1.03e-08 1.11e-08 1.67e-08 8.58e-08 3.69e-08 9.31e-08   erg/cm2
Peak flux Cutoff-PL 8.22e-01 1.07e+00 5.90e-01 1.19e-01 2.58e+00 2.60e+00   ph/cm2/s
              Error 2.12e-01 1.29e-01 9.69e-02 8.49e-02 2.98e-01 3.10e-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 2.60e+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    1.811    0.170    -      -           1.15e-02 1.25e-03   64.330 57
CPL   1.112    0.713      60.9   75.2      2.67e-02 2.67e-02   60.990 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.800    0.171    -      -           1.95e-02 2.30e-03   63.450 57
CPL   0.146    0.964      54.4    9.5      1.41e-01 2.13e-01   51.090 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: 1.984000 sec.
T50 in the 50-300 keV band: 0.896000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    3.000   -0.904    2.096
T90     3.000   -0.904    2.096
T50     1.000    0.096    1.096
Peak    1.000    0.096    1.096

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  355.3054 +31.2928 0.0121   33.8 -117.9       0.5353    15.9  TRIG_00579683       
------------------------------------------
 
Foreground time interval of the image:
 -0.904   2.096 (delta_t =   3.000 [sec])
Background time interval of the image:
-239.904 -232.264 (delta_t =   7.640 [sec])
-230.904  -0.904 (delta_t = 230.000 [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   -0.904 sec. to    2.096 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.81087     ( -0.166823   0.173649 )
Norm@50keV  : 1.14941E-02    ( -0.00125971   0.00123931 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.33 using 59 PHA bins.
# Reduced chi-squared =          1.129 for     57 degrees of freedom 
# Null hypothesis probability =   2.354118e-01
 
Photon flux (15-150 keV)    in 3 sec: 1.59059 ( -0.154985  0.155108 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.17334e-07 ( -3.50472e-08  3.54405e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.904 sec. to    2.096 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.11170     ( -0.768168   0.657443 )
Epeak [keV] : 60.9120      ( -14.3362 135.983 )
Norm@50keV  : 2.67345E-02    ( -0.0143896   0.0389269 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.99 using 59 PHA bins.
# Reduced chi-squared =          1.089 for     56 degrees of freedom 
# Null hypothesis probability =   3.013832e-01
 
Photon flux (15-150 keV)    in 3 sec: 1.54785 ( -0.16089  0.16019 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.04257e-07 ( -3.64995e-08  3.7365e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.904 sec. to    2.096 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.11129   ( -0.390352   1.06442 )
beta        : -10.0000    ( 10   8.88178e-15 )
Epeak [keV] : 60.8734      ( -14.3042 135.696 )
Norm@50keV   : 2.67506E-02    ( -0.014407   0.039032 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          60.99 using 59 PHA bins.
# Reduced chi-squared =          1.109 for     55 degrees of freedom 
# Null hypothesis probability =   2.694922e-01
 
Photon flux (15-150 keV)    in 3 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.2406  (-1.43401  1.5844)
R^2/D10^2   : 0.270282  (-0.0918622   0.140648)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          81.58 using 59 PHA bins.
# Reduced chi-squared =          1.431 for     57 degrees of freedom 
# Null hypothesis probability =   1.802433e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.013e-08   5.545e-09
25- 50  1.058e-07   1.302e-08
50-150  1.186e-07   2.303e-08
15-150  2.545e-07   3.025e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 108.045       (-32.7698      49.6513)
Norm        : 6.80885       (-0.827745     1.10744)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          61.44 using 59 PHA bins.
# Reduced chi-squared =          1.078 for     57 degrees of freedom 
# Null hypothesis probability =   3.201279e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.336e-08   7.500e-09
25- 50  9.367e-08   1.125e-08
50-150  1.584e-07   6.481e-08
15-150  3.054e-07   7.269e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.83014        (-0.937087      1.20405)
R1^2/D10^2  : 18.7216        (-13.3748      61.2941)
kT2 [keV]   : 16.8007        (-2.20565      2.81297)
R2^2/D10^2  : 9.89369E-02    (-0.0448632   0.0712742)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.01 using 59 PHA bins.
# Reduced chi-squared =         0.9821 for     55 degrees of freedom 
# Null hypothesis probability =   5.123203e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.835e-08   2.666e-08
25- 50  8.815e-08   2.447e-08
50-150  1.507e-07   4.821e-08
15-150  2.972e-07   6.266e-08

Peak spectrum fit

Power-law model
Time interval is from    0.096 sec. to    1.096 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.80050     ( -0.166983   0.174531 )
Norm@50keV  : 1.95379E-02    ( -0.0023117   0.0022819 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.45 using 59 PHA bins.
# Reduced chi-squared =          1.113 for     57 degrees of freedom 
# Null hypothesis probability =   2.595591e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.69281 ( -0.289142  0.289334 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.79862e-07 ( -2.14979e-08  2.16949e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.096 sec. to    1.096 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.146128     ( -1.06388   0.864334 )
Epeak [keV] : 54.3870      ( -7.38186 11.6205 )
Norm@50keV  : 0.141003    ( -0.0894382   0.33581 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.09 using 59 PHA bins.
# Reduced chi-squared =         0.9122 for     56 degrees of freedom 
# Null hypothesis probability =   6.610087e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.57710 ( -0.29849  0.29794 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.69475e-07 ( -2.1104e-08  2.1858e-08 ) ergs/cm2
 
Band function
Time interval is from    0.096 sec. to    1.096 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.146999   ( -0.64546   1.38349 )
beta        : -10.0000    ( 10   1.77636e-15 )
Epeak [keV] : 54.3697      ( -7.374 11.6193 )
Norm@50keV   : 0.140918    ( -0.0893649   0.336322 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.09 using 59 PHA bins.
# Reduced chi-squared =         0.9288 for     55 degrees of freedom 
# Null hypothesis probability =   6.249139e-01
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.3642  (-1.29443  1.41274)
R^2/D10^2   : 0.478237  (-0.149623   0.216221)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.26 using 59 PHA bins.
# Reduced chi-squared =         0.9870 for     57 degrees of freedom 
# Null hypothesis probability =   5.029331e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.810e-08   3.475e-09
25- 50  6.420e-08   8.310e-09
50-150  7.365e-08   1.654e-08
15-150  1.559e-07   2.075e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 98.7743       (-27.1273      47.0091)
Norm        : 12.2017       (-1.62739     1.86464)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.25 using 59 PHA bins.
# Reduced chi-squared =         0.9868 for     57 degrees of freedom 
# Null hypothesis probability =   5.032264e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.189e-08   5.080e-09
25- 50  5.501e-08   7.090e-09
50-150  8.851e-08   3.527e-08
15-150  1.754e-07   3.865e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.19368        (-1.12933      1.55641)
R1^2/D10^2  : 56.2359        (-49.3236      852.291)
kT2 [keV]   : 14.9412        (-1.66001      2.02137)
R2^2/D10^2  : 0.291771    (-0.117289   0.161145)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.19 using 59 PHA bins.
# Reduced chi-squared =         0.8035 for     55 degrees of freedom 
# Null hypothesis probability =   8.513945e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.899e-08   1.092e-08
25- 50  5.679e-08   1.346e-08
50-150  8.194e-08   2.104e-08
15-150  1.677e-07   3.480e-08
Plot creation:
Fri Nov 29 06:57:50 EST 2013