batgrbproduct Analysis for Trigger=558982

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jun 26 04:40:01 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger558982/GCN5_download_cron
======================================================================

  Trigger: 00558982      Segment: 000

  BAT Trigger Time: 393836450.24   [s; MET]
      Trigger Stop: 393836452.288   [s; MET]
               UTC: 2013-06-25T07:00:39.525160    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 343.267990954325   Dec: 82.1783740417677  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.47
     Image Trigger?:     NO
     Rate S/N Ratio:     10.5356537528527  [ if not an image trigger ]
     Image S/N Ratio:    8.47

  Flight Position:   [ source = BAT ]
    RA: 343.267990954325   Dec: 82.1783740417677  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 343.346659147277   Dec: 82.1731931505123  [deg; J2000]  
        { 22h 53m 23.2s , +82d 10' 23.5" }
         +/- 1.18951657776615 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.40166893043532 [arcmin] (formal 1-sigma fit error)
    SNR: 23.7381154982813
 
  Angular difference between Flight and Ground position is 0.713808 arcmin
 
  Partial Coding Fraction: 0.75    [ including projection effects ]

  Duration
     T90: 36.9799999594688 +/- 9.4855521486806
        Measured from: -19.3039999008179
                   to: 17.676000058651     [s; relative to TRIGTIME]
     T50: 16.527999997139 +/- 2.56478614387288
        Measured from: -9.78399991989136
                   to: 6.74400007724762     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.54399996995926     
                   to: 3.54399996995926     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -29.3680000305176     
                   to: 28.3880000114441     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.731172   1.066997   0.878929   0.191001
           0.052909   0.055617   0.048558   0.039997 [error]
 Peak      0.032741   0.063853   0.038508   0.010660
           0.007250   0.007958   0.006734   0.005277 [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 2.30e-07 4.43e-07 6.60e-07 2.12e-06 1.86e-06 3.45e-06   erg/cm2
              Error 2.39e-08 2.75e-08 4.73e-08 3.34e-07 1.16e-07 3.66e-07   erg/cm2
Peak flux Power-law 4.01e-01 3.96e-01 2.74e-01 2.98e-01 1.19e+00 1.37e+00   ph/cm2/s
              Error 9.97e-02 6.31e-02 5.45e-02 1.18e-01 1.83e-01 2.13e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.17e-07 4.56e-07 6.76e-07 1.36e-06 1.82e-06 2.71e-06   erg/cm2
              Error 2.90e-08 3.23e-08 5.24e-08 6.43e-07 1.27e-07 7.23e-07   erg/cm2
Peak flux Cutoff-PL 3.69e-01 4.29e-01 2.82e-01 1.32e-01 1.16e+00 1.21e+00   ph/cm2/s
              Error 1.21e-01 9.29e-02 6.16e-02 1.84e-01 1.93e-01 2.84e-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    1.425    0.101    -      -           3.35e-03 1.91e-04   47.440 57
CPL   1.119    0.389     149.8  -45.3      4.72e-03 2.15e-03   45.690 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.533    0.257    -      -           9.44e-03 1.50e-03   52.620 57
CPL   0.846    1.423      77.1  -24.4      2.24e-02 1.14e-01   51.910 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: 33.536000 sec.
T50 in the 50-300 keV band: 17.216000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   57.756  -29.368   28.388
T90    36.980  -19.304   17.676
T50    16.528   -9.784    6.744
Peak    1.000    2.544    3.544

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  343.3467 +82.1732 0.0080   28.6   13.9       2.8846    23.7  TRIG_00558982       
------------------------------------------
 
Foreground time interval of the image:
-29.368  25.461 (delta_t =  54.829 [sec])
Background time interval of the image:
-239.240 -29.368 (delta_t = 209.872 [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  -29.368 sec. to   28.388 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.42539     ( -0.100563   0.100565 )
Norm@50keV  : 3.34844E-03    ( -0.000190813   0.000190531 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.44 using 59 PHA bins.
# Reduced chi-squared =         0.8322 for     57 degrees of freedom 
# Null hypothesis probability =   8.126884e-01
 
Photon flux (15-150 keV)    in 57.76 sec: 0.410189 ( -0.0241635  0.024208 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.85938e-06 ( -1.15729e-07  1.16237e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -29.368 sec. to   28.388 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.11898     ( -0.43026   0.348444 )
Epeak [keV] : 149.757      ( -59.0766 -149.757 )
Norm@50keV  : 4.72368E-03    ( -0.00147672   0.00282804 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.69 using 59 PHA bins.
# Reduced chi-squared =         0.8158 for     56 degrees of freedom 
# Null hypothesis probability =   8.358848e-01
 
Photon flux (15-150 keV)    in 57.76 sec: 0.403914 ( -0.025469  0.025445 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.82099e-06 ( -1.27707e-07  1.26858e-07 ) ergs/cm2
 
Band function
Time interval is from  -29.368 sec. to   28.388 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.03082   ( 0.922096   0.922096 )
beta        : -1.69276    ( 1.60764   0.240441 )
Epeak [keV] : 121.832      ( -100.332 -100.332 )
Norm@50keV   : 5.28284E-03    ( -0.00181903   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.48 using 59 PHA bins.
# Reduced chi-squared =         0.8268 for     55 degrees of freedom 
# Null hypothesis probability =   8.164744e-01
 
Photon flux (15-150 keV)    in 57.76 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]    : 16.3153  (-1.17502  1.28722)
R^2/D10^2   : 3.50265E-02  (-0.00814109   0.0104488)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         105.92 using 59 PHA bins.
# Reduced chi-squared =         1.8582 for     57 degrees of freedom 
# Null hypothesis probability =   8.953470e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.108e-07   1.343e-08
25- 50  4.742e-07   3.468e-08
50-150  8.888e-07   9.502e-08
15-150  1.474e-06   1.031e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 1.69668       (-0.0960556     0.0960479)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.75 using 59 PHA bins.
# Reduced chi-squared =         0.8903 for     57 degrees of freedom 
# Null hypothesis probability =   7.072279e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.441e-07   1.635e-08
25- 50  4.695e-07   3.278e-08
50-150  1.030e-06   1.869e-07
15-150  1.743e-06   2.074e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.22241        (-1.64357      1.96729)
R1^2/D10^2  : 0.341765        (-0.177244      0.484403)
kT2 [keV]   : 26.3775        (-4.55011      9.00055)
R2^2/D10^2  : 5.39602E-03    (-0.00347702   0.00556489)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.27 using 59 PHA bins.
# Reduced chi-squared =         0.8777 for     55 degrees of freedom 
# Null hypothesis probability =   7.275308e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.073e-07   5.710e-08
25- 50  4.613e-07   8.658e-08
50-150  1.135e-06   3.665e-07
15-150  1.804e-06   4.141e-07

Peak spectrum fit

Power-law model
Time interval is from    2.544 sec. to    3.544 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.53320     ( -0.255139   0.259193 )
Norm@50keV  : 9.44251E-03    ( -0.0015121   0.00149468 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.62 using 59 PHA bins.
# Reduced chi-squared =         0.9231 for     57 degrees of freedom 
# Null hypothesis probability =   6.399814e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.18964 ( -0.183279  0.183451 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.91113e-08 ( -1.53738e-08  1.56022e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    2.544 sec. to    3.544 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.845977     ( -1.88086   0.964769 )
Epeak [keV] : 77.1195      ( -28.7795 -77.5183 )
Norm@50keV  : 2.23583E-02    ( -0.0139368   0.213346 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.91 using 59 PHA bins.
# Reduced chi-squared =         0.9270 for     56 degrees of freedom 
# Null hypothesis probability =   6.303602e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.16433 ( -0.195335  0.19122 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.37755e-08 ( -1.88469e-08  1.87415e-08 ) ergs/cm2
 
Band function
Time interval is from    2.544 sec. to    3.544 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.61416E-02   ( 0.133497   0.133497 )
beta        : -2.03614    ( 2.02662   0.627654 )
Epeak [keV] : 52.7620      ( -52.7185 196.064 )
Norm@50keV   : 7.64296E-02    ( -0.0762159   974.278 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.65 using 59 PHA bins.
# Reduced chi-squared =         0.9208 for     55 degrees of freedom 
# Null hypothesis probability =   6.415723e-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]    : 13.1105  (-1.9522  2.43034)
R^2/D10^2   : 0.224578  (-0.104222   0.178048)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.81 using 59 PHA bins.
# Reduced chi-squared =         0.9791 for     57 degrees of freedom 
# Null hypothesis probability =   5.198011e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.186e-09   2.238e-09
25- 50  2.845e-08   6.085e-09
50-150  3.107e-08   1.051e-08
15-150  6.770e-08   1.374e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 198.313       (-103.153      -198.313)
Norm        : 4.87917       (-0.741084     0.880576)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.08 using 59 PHA bins.
# Reduced chi-squared =         0.9137 for     57 degrees of freedom 
# Null hypothesis probability =   6.596354e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.216e-08   6.965e-09
25- 50  2.337e-08   1.291e-08
50-150  5.117e-08   2.814e-08
15-150  8.670e-08   4.898e-08
Double BB
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.37 using 59 PHA bins.
#Fit statistic : Chi-Squared =          48.85 using 59 PHA bins.
#Fit statistic : Chi-Squared =          48.33 using 59 PHA bins.
#Fit statistic : Chi-Squared =          47.82 using 59 PHA bins.
# Reduced chi-squared =         0.9704 for     55 degrees of freedom 
# Reduced chi-squared =         0.8881 for     55 degrees of freedom 
# Reduced chi-squared =         0.8788 for     55 degrees of freedom 
# Reduced chi-squared =         0.8695 for     55 degrees of freedom 
# Null hypothesis probability =   5.370685e-01
# Null hypothesis probability =   7.074402e-01
# Null hypothesis probability =   7.254046e-01
# Null hypothesis probability =   7.429439e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.063e-08   4.323e-09
25- 50  2.582e-08   1.131e-08
50-150  3.501e-08   1.589e-08
15-150  7.146e-08   2.844e-08
Plot creation:
Wed Jun 26 05:01:38 EDT 2013