batgrbproduct Analysis for Trigger=582374

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Dec 29 21:33:11 EST 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger582374/GCN5_download_cron
======================================================================

  Trigger: 00582374      Segment: 000

  BAT Trigger Time: 409991975.616   [s; MET]
      Trigger Stop: 409991976.064   [s; MET]
               UTC: 2013-12-29T06:39:24.163760    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) Expanded to TRIGTIME - 64 ms to TRIGTIME + 320 ms

  BAT 
    RA: 85.2356212466857   Dec: -4.43148525974796  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.86
     Image Trigger?:     NO
     Rate S/N Ratio:     20.174241001832  [ if not an image trigger ]
     Image S/N Ratio:    7.86

  Flight Position:   [ source = BAT ]
    RA: 85.2356212466857   Dec: -4.43148525974796  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 85.2359981451475   Dec: -4.40119036933186  [deg; J2000]  
        { 05h 40m 56.6s , -04d 24' 04.3" }
         +/- 0.573868946671734 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.155634833053716 [arcmin] (formal 1-sigma fit error)
    SNR: 67.2468011596004
 
  Angular difference between Flight and Ground position is 1.817833 arcmin
 
  Partial Coding Fraction: 0.9765625    [ including projection effects ]

  Duration
     T90: 13.8679999709129 +/- 0.428018690735031
        Measured from: 2.20400011539459
                   to: 16.0720000863075     [s; relative to TRIGTIME]
     T50: 8.25199991464615 +/- 0.141364796385792
        Measured from: 5.97600013017654
                   to: 14.2280000448227     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 13.5479999780655     
                   to: 14.5479999780655     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.0799999833106995     
                   to: 27.0360000133514     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.702567   3.005354   3.245847   1.059316
           0.036005   0.040698   0.039508   0.030291 [error]
 Peak      0.175221   0.399045   0.592267   0.262430
           0.008999   0.011916   0.014401   0.011904 [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 4.99e-07 1.24e-06 2.45e-06 1.20e-05 6.61e-06 1.62e-05   erg/cm2
              Error 2.03e-08 2.95e-08 4.37e-08 5.26e-07 1.16e-07 5.35e-07   erg/cm2
Peak flux Power-law 1.50e+00 2.69e+00 3.71e+00 1.06e+01 1.07e+01 1.85e+01   ph/cm2/s
              Error 1.06e-01 1.15e-01 1.11e-01 7.34e-01 3.17e-01 7.43e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.87e-07 1.24e-06 2.47e-06 1.11e-05 6.60e-06 1.52e-05   erg/cm2
              Error 2.14e-08 2.98e-08 5.64e-08 1.36e-06 1.18e-07 1.35e-06   erg/cm2
Peak flux Cutoff-PL 1.46e+00 2.69e+00 3.75e+00 9.87e+00 1.07e+01 1.78e+01   ph/cm2/s
              Error 1.08e-01 1.16e-01 1.16e-01 1.44e+00 3.20e-01 1.61e+00   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    1.015    0.033    -      -           2.28e-02 4.16e-04   41.950 57
CPL   0.941    0.119     910.2    0.0      2.44e-02 1.80e-03   40.990 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.536    0.055    -      -           9.08e-02 2.91e-03   44.650 57
CPL   0.440    0.157     999.5    0.0      9.96e-02 1.09e-02   44.330 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: 13.056000 sec.
T50 in the 50-300 keV band: 7.424000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   26.956    0.080   27.036
T90    13.868    2.204   16.072
T50     8.252    5.976   14.228
Peak    1.000   13.548   14.548

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   85.2360  -4.4012 0.0029   18.1  178.5       3.0379    67.2  TRIG_00582374       
------------------------------------------
 
Foreground time interval of the image:
  0.080   7.185 (delta_t =   7.105 [sec])
Background time interval of the image:
-103.415 -56.536 (delta_t =  46.879 [sec])
-55.616   0.080 (delta_t =  55.696 [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    0.080 sec. to   27.036 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.01546     ( -0.0326791   0.03252 )
Norm@50keV  : 2.27893E-02    ( -0.00041628   0.000414776 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.95 using 59 PHA bins.
# Reduced chi-squared =         0.7359 for     57 degrees of freedom 
# Null hypothesis probability =   9.323451e-01
 
Photon flux (15-150 keV)    in 26.96 sec: 2.62594 ( -0.0748923  0.0500699 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.60779e-06 ( -1.15783e-07  1.16097e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.080 sec. to   27.036 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.941392     ( -0.131943   0.105353 )
Epeak [keV] : 910.189      ( -910.189 -910.189 )
Norm@50keV  : 2.43772E-02    ( -0.000580741   0.00302464 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.99 using 59 PHA bins.
# Reduced chi-squared =         0.7320 for     56 degrees of freedom 
# Null hypothesis probability =   9.337901e-01
 
Photon flux (15-150 keV)    in 26.96 sec: 2.61340 ( -0.05397  0.05132 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.59628e-06 ( -1.19082e-07  1.17653e-07 ) ergs/cm2
 
Band function
Time interval is from    0.080 sec. to   27.036 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -4.99993   -4.99993 )
beta        : -1.02000    ( -0.0331337   0.0331296 )
Epeak [keV] : 23.0591      ( -23.0591 4.33323 )
Norm@50keV   : 2459.44    ( -41.6013   3.4087e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.45 using 59 PHA bins.
# Reduced chi-squared =         0.7537 for     55 degrees of freedom 
# Null hypothesis probability =   9.116595e-01
 
Photon flux (15-150 keV)    in 26.96 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]    : 24.5457  (  )
R^2/D10^2   : 6.56227E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         564.70 using 59 PHA bins.
# Reduced chi-squared =         9.9070 for     57 degrees of freedom 
# Null hypothesis probability =   1.147584e-84
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.870e-07   7.279e-09
25- 50  1.051e-06   2.952e-08
50-150  4.705e-06   1.105e-07
15-150  5.943e-06   1.227e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 11.4630       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         892.45 using 59 PHA bins.
# Reduced chi-squared =         15.657 for     57 degrees of freedom 
# Null hypothesis probability =  2.179897e-150
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.695e-07   1.564e-08
25- 50  1.480e-06   2.912e-08
50-150  3.247e-06   5.662e-08
15-150  5.497e-06   1.078e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.07891        (-0.77045      0.834263)
R1^2/D10^2  : 0.815308        (-0.189805      0.263828)
kT2 [keV]   : 38.5764        (-2.75338      3.53004)
R2^2/D10^2  : 1.41352E-02    (-0.00332919   0.00371614)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.89 using 59 PHA bins.
# Reduced chi-squared =         0.8889 for     55 degrees of freedom 
# Null hypothesis probability =   7.059212e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.294e-07   3.073e-08
25- 50  1.270e-06   5.203e-08
50-150  4.927e-06   1.685e-07
15-150  6.626e-06   2.265e-07

Peak spectrum fit

Power-law model
Time interval is from   13.548 sec. to   14.548 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.536178     ( -0.0553009   0.0546322 )
Norm@50keV  : 9.07654E-02    ( -0.00291637   0.00290139 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.65 using 59 PHA bins.
# Reduced chi-squared =         0.7834 for     57 degrees of freedom 
# Null hypothesis probability =   8.827325e-01
 
Photon flux (15-150 keV)    in 1 sec: 10.6891 ( -0.316598  0.316708 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.19747e-06 ( -3.87933e-08  3.88409e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   13.548 sec. to   14.548 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.440431     ( -0.200689   0.113574 )
Epeak [keV] : 999.461      ( -999.657 -999.657 )
Norm@50keV  : 9.95744E-02    ( -0.00290867   0.0188017 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.33 using 59 PHA bins.
# Reduced chi-squared =         0.7916 for     56 degrees of freedom 
# Null hypothesis probability =   8.699720e-01
 
Photon flux (15-150 keV)    in 1 sec: 10.6678 ( -0.3216  0.318 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.19627e-06 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   13.548 sec. to   14.548 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.728497   ( 0.728475   0.728475 )
beta        : -0.536178    ( -0.0546191   0.0553187 )
Epeak [keV] : 24.6494      ( -24.6501 -24.6501 )
Norm@50keV   : 0.116940    ( -0.025634   1.06157e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.65 using 59 PHA bins.
# Reduced chi-squared =         0.8119 for     55 degrees of freedom 
# Null hypothesis probability =   8.393191e-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]    : 31.3293  (  )
R^2/D10^2   : 0.152099  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         163.14 using 59 PHA bins.
# Reduced chi-squared =         2.8622 for     57 degrees of freedom 
# Null hypothesis probability =   3.607450e-12
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.273e-08   1.360e-09
25- 50  1.427e-07   7.100e-09
50-150  9.714e-07   3.900e-08
15-150  1.137e-06   4.150e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 36.9019       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         890.17 using 59 PHA bins.
# Reduced chi-squared =         15.617 for     57 degrees of freedom 
# Null hypothesis probability =  6.343912e-150
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.189e-08   3.185e-09
25- 50  1.768e-07   6.250e-09
50-150  3.877e-07   1.540e-08
15-150  6.563e-07   2.380e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 10.6588        (-1.91265      2.30387)
R1^2/D10^2  : 1.38524        (-0.51626      0.962906)
kT2 [keV]   : 51.7583        (-7.90789      15.155)
R2^2/D10^2  : 3.62111E-02    (-0.0169607   0.0200672)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.22 using 59 PHA bins.
# Reduced chi-squared =         0.8040 for     55 degrees of freedom 
# Null hypothesis probability =   8.506355e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.296e-08   6.345e-09
25- 50  1.637e-07   1.865e-08
50-150  1.004e-06   1.283e-07
15-150  1.211e-06   1.633e-07
Plot creation:
Sun Dec 29 21:57:16 EST 2013