batgrbproduct Analysis for Trigger=582123

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Dec 26 23:24:49 EST 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger582123/GCN5_download_cron
======================================================================

  Trigger: 00582123      Segment: 000

  BAT Trigger Time: 409729671.104   [s; MET]
      Trigger Stop: 409729671.36   [s; MET]
               UTC: 2013-12-26T05:47:39.664000    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 301.307357529942   Dec: -64.9622775984442  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    14.93
     Image Trigger?:     NO
     Rate S/N Ratio:     29.4278779391243  [ if not an image trigger ]
     Image S/N Ratio:    14.93

  Flight Position:   [ source = BAT ]
    RA: 301.307357529942   Dec: -64.9622775984442  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 301.309220333406   Dec: -64.9430306197494  [deg; J2000]  
        { 20h 05m 14.2s , -64d 56' 34.9" }
         +/- 0.582403756290374 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.147192469769182 [arcmin] (formal 1-sigma fit error)
    SNR: 65.8434269689901
 
  Angular difference between Flight and Ground position is 1.155788 arcmin
 
  Partial Coding Fraction: 0.5625    [ including projection effects ]

  Duration
     T90: 7.19999992847443 +/- 0.163217630679412
        Measured from: 0.376000165939331
                   to: 7.57600009441376     [s; relative to TRIGTIME]
     T50: 2.95999997854233 +/- 0.0920869208510307
        Measured from: 1.64800012111664
                   to: 4.60800009965897     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.10800004005432     
                   to: 2.10800004005432     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.255999982357025     
                   to: 8.4200000166893     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.534159   2.192986   1.884419   0.547172
           0.032404   0.036444   0.034744   0.025166 [error]
 Peak      0.345682   0.469898   0.353444   0.107779
           0.013257   0.015054   0.014404   0.009957 [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 4.68e-07 9.28e-07 1.43e-06 4.83e-06 4.00e-06 7.66e-06   erg/cm2
              Error 2.17e-08 2.46e-08 3.63e-08 2.90e-07 9.05e-08 3.05e-07   erg/cm2
Peak flux Power-law 3.40e+00 3.44e+00 2.44e+00 2.76e+00 1.04e+01 1.20e+01   ph/cm2/s
              Error 2.44e-01 1.46e-01 1.19e-01 2.85e-01 4.14e-01 4.66e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.60e-07 9.31e-07 1.44e-06 4.49e-06 3.99e-06 7.32e-06   erg/cm2
              Error 2.72e-08 2.57e-08 4.11e-08 6.28e-07 9.74e-08 7.15e-07   erg/cm2
Peak flux Cutoff-PL 3.31e+00 3.46e+00 2.47e+00 2.41e+00 1.03e+01 1.17e+01   ph/cm2/s
              Error 2.94e-01 1.54e-01 1.33e-01 6.02e-01 4.36e-01 7.79e-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    1.376    0.042    -      -           4.75e-02 1.03e-03   54.070 57
CPL   1.326    0.107     732.3    0.0      4.99e-02 6.20e-03   54.160 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.493    0.071    -      -           8.32e-02 3.24e-03   53.490 57
CPL   1.374    0.216     276.8    0.0      9.49e-02 2.36e-02   52.880 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: 6.720000 sec.
T50 in the 50-300 keV band: 2.368000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    8.676   -0.256    8.420
T90     7.200    0.376    7.576
T50     2.960    1.648    4.608
Peak    1.000    1.108    2.108

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  301.3092 -64.9430 0.0029   25.7  -92.3       6.2677    65.8  TRIG_00582123       
------------------------------------------
 
Foreground time interval of the image:
 -0.256   8.420 (delta_t =   8.676 [sec])
Background time interval of the image:
-239.104  -0.256 (delta_t = 238.848 [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   -0.256 sec. to    8.420 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.37575     ( -0.0415848   0.0415641 )
Norm@50keV  : 4.74658E-02    ( -0.00102855   0.00102819 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.07 using 59 PHA bins.
# Reduced chi-squared =         0.9486 for     57 degrees of freedom 
# Null hypothesis probability =   5.856186e-01
 
Photon flux (15-150 keV)    in 8.676 sec: 5.74944 ( -0.139217  0.139813 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.99945e-06 ( -9.03935e-08  9.05158e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.256 sec. to    8.420 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.32577     ( -0.154944   0.0586061 )
Epeak [keV] : 732.313      ( -970.84 -970.84 )
Norm@50keV  : 4.98923E-02    ( -0.00456781   0.00782319 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.16 using 59 PHA bins.
# Reduced chi-squared =         0.9672 for     56 degrees of freedom 
# Null hypothesis probability =   5.446718e-01
 
Photon flux (15-150 keV)    in 8.676 sec: 5.72865 ( -0.12504  0.16109 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.98896e-06 ( -9.22866e-08  1.0249e-07 ) ergs/cm2
 
Band function
Time interval is from   -0.256 sec. to    8.420 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.563318   ( 0.9226   0.9226 )
beta        : -1.38311    ( 1.38156   0.0444 )
Epeak [keV] : 45.4383      ( -45.4042 173.433 )
Norm@50keV   : 0.185031    ( -0.185693   3.89705e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.59 using 59 PHA bins.
# Reduced chi-squared =         0.9743 for     55 degrees of freedom 
# Null hypothesis probability =   5.287144e-01
 
Photon flux (15-150 keV)    in 8.676 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]    : 18.9020  (  )
R^2/D10^2   : 0.293597  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         514.84 using 59 PHA bins.
# Reduced chi-squared =         9.0323 for     57 degrees of freedom 
# Null hypothesis probability =   6.110781e-75
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.792e-07   8.546e-09
25- 50  8.589e-07   2.854e-08
50-150  2.253e-06   8.286e-08
15-150  3.291e-06   8.286e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.362       (      )
Norm        : 24.1762       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         136.89 using 59 PHA bins.
# Reduced chi-squared =         2.4016 for     57 degrees of freedom 
# Null hypothesis probability =   1.600021e-08
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.223e-07   1.258e-08
25- 50  1.005e-06   2.516e-08
50-150  2.204e-06   5.422e-08
15-150  3.731e-06   8.502e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.70648        (-0.665773      0.717278)
R1^2/D10^2  : 3.91488        (-1.0146      1.47453)
kT2 [keV]   : 31.3834        (-2.40953      3.04339)
R2^2/D10^2  : 4.46678E-02    (-0.0119645   0.0142035)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.51 using 59 PHA bins.
# Reduced chi-squared =          1.173 for     55 degrees of freedom 
# Null hypothesis probability =   1.782353e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.123e-07   3.444e-08
25- 50  9.452e-07   3.991e-08
50-150  2.624e-06   1.414e-07
15-150  3.981e-06   1.661e-07

Peak spectrum fit

Power-law model
Time interval is from    1.108 sec. to    2.108 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.49311     ( -0.0705574   0.0710012 )
Norm@50keV  : 8.31622E-02    ( -0.00324064   0.00323329 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.49 using 59 PHA bins.
# Reduced chi-squared =         0.9384 for     57 degrees of freedom 
# Null hypothesis probability =   6.075645e-01
 
Photon flux (15-150 keV)    in 1 sec: 10.3628 ( -0.413693  0.414329 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.89813e-07 ( -3.36504e-08  3.37654e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    1.108 sec. to    2.108 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.37351     ( -0.275078   0.156022 )
Epeak [keV] : 276.759      ( -276.759 -276.759 )
Norm@50keV  : 9.49305E-02    ( -0.0143747   0.0327495 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.88 using 59 PHA bins.
# Reduced chi-squared =         0.9444 for     56 degrees of freedom 
# Null hypothesis probability =   5.935586e-01
 
Photon flux (15-150 keV)    in 1 sec: 10.2897 ( -0.44072  0.4319 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.83794e-07 ( -3.6667e-08  3.0833e-08 ) ergs/cm2
 
Band function
Time interval is from    1.108 sec. to    2.108 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.14782   ( 1.10253   1.10253 )
beta        : -1.56338    ( 1.56324   0.12651 )
Epeak [keV] : 101.768      ( -94.8341 -94.8341 )
Norm@50keV   : 0.129572    ( -0.0480519   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.49 using 59 PHA bins.
# Reduced chi-squared =         0.9543 for     55 degrees of freedom 
# Null hypothesis probability =   5.712150e-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]    : 15.5628  (  )
R^2/D10^2   : 1.01133  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         213.49 using 59 PHA bins.
# Reduced chi-squared =         3.7455 for     57 degrees of freedom 
# Null hypothesis probability =   6.158636e-20
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.094e-08   3.830e-09
25- 50  2.092e-07   1.105e-08
50-150  3.504e-07   2.645e-08
15-150  6.106e-07   2.810e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 42.3806       (-1.62202     1.62201)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.53 using 59 PHA bins.
# Reduced chi-squared =          1.009 for     57 degrees of freedom 
# Null hypothesis probability =   4.556164e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.055e-07   4.550e-09
25- 50  2.030e-07   8.400e-09
50-150  4.452e-07   1.960e-08
15-150  7.538e-07   2.865e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.71468        (-1.03498      1.08176)
R1^2/D10^2  : 7.69294        (-2.64687      4.82142)
kT2 [keV]   : 30.2673        (-4.291      6.35448)
R2^2/D10^2  : 8.03698E-02    (-0.0379929   0.0582557)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.87 using 59 PHA bins.
# Reduced chi-squared =          1.052 for     55 degrees of freedom 
# Null hypothesis probability =   3.697291e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.194e-08   1.131e-08
25- 50  2.030e-07   1.985e-08
50-150  4.881e-07   6.920e-08
15-150  7.831e-07   8.635e-08
Plot creation:
Thu Dec 26 23:40:00 EST 2013