batgrbproduct Analysis for Trigger=566228

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Aug 14 01:44:49 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger566228/batgroup_hand_proc
======================================================================

  Trigger: 00566228      Segment: 000

  BAT Trigger Time: 398038983.488   [s; MET]
      Trigger Stop: 398038983.744   [s; MET]
               UTC: 2013-08-12T22:22:52.584320    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 92.4021902978214   Dec: -13.2953627403695  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.67
     Image Trigger?:     NO
     Rate S/N Ratio:     26.0959767013998  [ if not an image trigger ]
     Image S/N Ratio:    11.67

  Flight Position:   [ source = BAT ]
    RA: 92.4021902978214   Dec: -13.2953627403695  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 92.3869100440231   Dec: -13.2842337642911  [deg; J2000]  
        { 06h 09m 32.9s , -13d 17' 03.2" }
         +/- 0.970282236126412 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.40014992036131 [arcmin] (formal 1-sigma fit error)
    SNR: 31.7567030427962
 
  Angular difference between Flight and Ground position is 1.114454 arcmin
 
  Partial Coding Fraction: 0.7578125    [ including projection effects ]

  Duration
     T90: 7.62399995326996 +/- 0.532781386325794
        Measured from: -0.0239999890327454
                   to: 7.59999996423721     [s; relative to TRIGTIME]
     T50: 5.6159999370575 +/- 0.234912720392577
        Measured from: 0.748000025749207
                   to: 6.3639999628067     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.139999985694885     
                   to: 0.860000014305115     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.331999957561493     
                   to: 8.47600001096725     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.561347   0.502695   0.140848   0.019445
           0.020767   0.020031   0.016415   0.013403 [error]
 Peak      0.140360   0.114257   0.038166   0.005079
           0.008229   0.007762   0.005976   0.004550 [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 1.97e-07 1.97e-07 1.38e-07 1.53e-07 5.94e-07 6.86e-07   erg/cm2
              Error 1.48e-08 1.07e-08 1.46e-08 3.12e-08 3.44e-08 5.04e-08   erg/cm2
Peak flux Power-law 1.57e+00 8.60e-01 2.95e-01 1.32e-01 2.80e+00 2.86e+00   ph/cm2/s
              Error 1.64e-01 6.99e-02 4.62e-02 3.76e-02 2.20e-01 2.23e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.75e-07 2.22e-07 1.17e-07 2.16e-08 5.32e-07 5.36e-07   erg/cm2
              Error 1.74e-08 1.45e-08 1.93e-08 1.74e-08 3.79e-08 4.20e-08   erg/cm2
Peak flux Cutoff-PL 1.49e+00 9.40e-01 2.62e-01 2.72e+00 2.72e+00 0.00e+00   ph/cm2/s
              Error 1.80e-01 9.45e-02 6.30e-02 2.28e-01 2.32e-01 0.00e+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 1.45e+00 9.51e-01 2.74e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 1.92e-01 2.35e-01 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    2.513    0.113    -      -           6.72e-03 5.12e-04   83.200 57
CPL   1.143    0.610      24.0    8.0      4.39e-02 0.00e+00   63.410 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.543    0.163    -      -           1.39e-02 1.65e-03   53.110 57
CPL   1.637    0.635      14.5    0.0      5.12e-02 0.00e+00   48.130 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: 7.872000 sec.
T50 in the 50-300 keV band: 5.888000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    8.808   -0.332    8.476
T90     7.624   -0.024    7.600
T50     5.616    0.748    6.364
Peak    1.000   -0.140    0.860

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   92.3869 -13.2842 0.0060   29.4    9.3       1.2372    31.8  TRIG_00566228       
------------------------------------------
 
Foreground time interval of the image:
 -0.332   8.476 (delta_t =   8.808 [sec])
Background time interval of the image:
-114.187  -0.332 (delta_t = 113.855 [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   -0.332 sec. to    8.476 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.51300     ( -0.110635   0.11487 )
Norm@50keV  : 6.71708E-03    ( -0.000513972   0.000509914 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          83.20 using 59 PHA bins.
# Reduced chi-squared =          1.460 for     57 degrees of freedom 
# Null hypothesis probability =   1.338732e-02
 
Photon flux (15-150 keV)    in 8.808 sec: 1.33012 ( -0.0726205  0.0727859 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.93709e-07 ( -3.42964e-08  3.45849e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.332 sec. to    8.476 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.14341     ( -0.649002   0.571709 )
Epeak [keV] : 24.0481      ( -10.6528 5.32299 )
Norm@50keV  : 4.39448E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.41 using 59 PHA bins.
# Reduced chi-squared =          1.132 for     56 degrees of freedom 
# Null hypothesis probability =   2.315131e-01
 
Photon flux (15-150 keV)    in 8.808 sec: 1.24389 ( -0.07886  0.07938 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.32164e-07 ( -3.69425e-08  3.88213e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.332 sec. to    8.476 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.14332   ( -0.384541   0.205827 )
beta        : -10.00000    ( 10   2.58138e-06 )
Epeak [keV] : 24.0431      ( -2.51133 5.32281 )
Norm@50keV   : 4.39490E-02    ( -0.00229508   0.0639974 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.41 using 59 PHA bins.
# Reduced chi-squared =          1.153 for     55 degrees of freedom 
# Null hypothesis probability =   2.040688e-01
 
Photon flux (15-150 keV)    in 8.808 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]    : 8.25060  (-0.477263  0.502429)
R^2/D10^2   : 1.20208  (-0.264503   0.343322)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          97.95 using 59 PHA bins.
# Reduced chi-squared =          1.719 for     57 degrees of freedom 
# Null hypothesis probability =   6.057259e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.332e-07   1.132e-08
25- 50  2.458e-07   1.440e-08
50-150  7.137e-08   1.174e-08
15-150  4.504e-07   2.634e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 34.2915       (-3.96934      4.65994)
Norm        : 9.36426       (-1.03786     1.19299)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          63.75 using 59 PHA bins.
# Reduced chi-squared =          1.118 for     57 degrees of freedom 
# Null hypothesis probability =   2.511685e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.787e-07   1.330e-08
25- 50  2.189e-07   1.176e-08
50-150  1.419e-07   2.334e-08
15-150  5.394e-07   3.017e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.17914        (-0.940432      1.12469)
R1^2/D10^2  : 12.0380        (-7.26094      30.4502)
kT2 [keV]   : 11.1969        (-1.38474      2.18854)
R2^2/D10^2  : 0.255890    (-0.15518   0.142358)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.58 using 59 PHA bins.
# Reduced chi-squared =          1.138 for     55 degrees of freedom 
# Null hypothesis probability =   2.251038e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.780e-07   6.886e-08
25- 50  2.198e-07   6.646e-08
50-150  1.237e-07   4.026e-08
15-150  5.216e-07   1.779e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.140 sec. to    0.860 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.54268     ( -0.158598   0.167621 )
Norm@50keV  : 1.38744E-02    ( -0.00165376   0.00163698 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.11 using 59 PHA bins.
# Reduced chi-squared =         0.9317 for     57 degrees of freedom 
# Null hypothesis probability =   6.219184e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.79842 ( -0.219898  0.220052 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.40391e-07 ( -1.23869e-08  1.25601e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.140 sec. to    0.860 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.63725     ( -0.914303   0.355587 )
Epeak [keV] : 14.5210      (   )
Norm@50keV  : 5.11732E-02    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.13 using 59 PHA bins.
# Reduced chi-squared =         0.8594 for     56 degrees of freedom 
# Null hypothesis probability =   7.636149e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.71861 ( -0.22745  0.22771 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   -0.140 sec. to    0.860 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.682948   ( -0.40927   0.154122 )
beta        : -2.93024    ( 4.20905   14.209 )
Epeak [keV] : 23.1363      ( -8.59122 4.54211 )
Norm@50keV   : 2.71264    ( -2.74992   2749.57 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.12 using 59 PHA bins.
# Reduced chi-squared =         0.8203 for     55 degrees of freedom 
# Null hypothesis probability =   8.266095e-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]    : 7.11031  (-0.597487  0.660386)
R^2/D10^2   : 4.83005  (-1.53564   2.24299)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.88 using 59 PHA bins.
# Reduced chi-squared =          1.191 for     57 degrees of freedom 
# Null hypothesis probability =   1.533783e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.986e-08   4.860e-09
25- 50  5.626e-08   6.125e-09
50-150  9.862e-09   2.794e-09
15-150  1.060e-07   9.845e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 31.3106       (-5.24212      6.62239)
Norm        : 21.5015       (-3.51932     4.37773)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.38 using 59 PHA bins.
# Reduced chi-squared =         0.8487 for     57 degrees of freedom 
# Null hypothesis probability =   7.849215e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.470e-08   4.730e-09
25- 50  5.227e-08   4.520e-09
50-150  3.026e-08   7.590e-09
15-150  1.272e-07   1.165e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.41547        (-0.845618      0.830601)
R1^2/D10^2  : 12.5571        (-5.35496      11.6432)
kT2 [keV]   : 16.9127        (-4.46839      7.71981)
R2^2/D10^2  : 6.68272E-02    (-0.053155   0.113151)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.95 using 59 PHA bins.
# Reduced chi-squared =         0.7990 for     55 degrees of freedom 
# Null hypothesis probability =   8.575390e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.549e-08   1.186e-08
25- 50  5.008e-08   1.288e-08
50-150  3.697e-08   2.013e-08
15-150  1.325e-07   4.122e-08
Plot creation:
Wed Aug 14 02:30:21 EDT 2013