batgrbproduct Analysis for Trigger=566545

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Aug 17 00:18:40 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger566545/GCN5_download_cron
======================================================================

  Trigger: 00566545      Segment: 000

  BAT Trigger Time: 398310426.624   [s; MET]
      Trigger Stop: 398310427.648   [s; MET]
               UTC: 2013-08-16T01:46:55.708120    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 197.167012694417   Dec: -58.9479813527746  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.35
     Image Trigger?:     NO
     Rate S/N Ratio:     12.8452325786651  [ if not an image trigger ]
     Image S/N Ratio:    9.35

  Flight Position:   [ source = BAT ]
    RA: 197.167012694417   Dec: -58.9479813527746  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 197.093002581348   Dec: -58.99635220615  [deg; J2000]  
        { 13h 08m 22.3s , -58d 59' 46.9" }
         +/- 2.59307815469112 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.25793813923688 [arcmin] (formal 1-sigma fit error)
    SNR: 7.79746129815469
 
  Angular difference between Flight and Ground position is 3.696250 arcmin
 
  Partial Coding Fraction: 0.3554688    [ including projection effects ]

  Duration
     T90: 29.9719999432564 +/- 1.35699668952184
        Measured from: -27.7719998955727
                   to: 2.20000004768372     [s; relative to TRIGTIME]
     T50: 17.0279999375343 +/- 14.6183692683263
        Measured from: -16.3159998655319
                   to: 0.712000072002411     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.0360000133514404     
                   to: 0.96399998664856     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -28.055999994278     
                   to: 2.56000000238419     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.232136   0.316664   0.145475   0.013136
           0.047152   0.048299   0.041737   0.036656 [error]
 Peak      0.058790   0.080040   0.027127   0.006695
           0.009433   0.010097   0.008412   0.006600 [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 8.35e-08 1.23e-07 1.35e-07 2.77e-07 4.25e-07 6.18e-07   erg/cm2
              Error 2.20e-08 2.27e-08 4.09e-08 1.70e-07 9.52e-08 2.13e-07   erg/cm2
Peak flux Power-law 7.02e-01 5.15e-01 2.51e-01 1.73e-01 1.55e+00 1.64e+00   ph/cm2/s
              Error 1.49e-01 8.26e-02 6.54e-02 8.31e-02 2.47e-01 2.64e-01   ph/cm2/s
 
Fluence   Cutoff-PL 8.15e-08 1.28e-07 1.33e-07 1.49e-07 4.10e-07 4.92e-07   erg/cm2
              Error 2.36e-08 3.03e-08 4.73e-08 1.56e-07 1.09e-07 2.67e-07   erg/cm2
Peak flux Cutoff-PL 5.89e-01 6.45e-01 2.38e-01 2.16e-02 1.49e+00 1.49e+00   ph/cm2/s
              Error 1.76e-01 1.25e-01 8.41e-02 4.63e-02 2.48e-01 2.50e-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    1.867    0.340    -      -           1.51e-03 3.38e-04   42.220 57
CPL   1.535    1.243      58.6    0.0      2.36e-03 0.00e+00   42.030 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.038    0.278    -      -           1.01e-02 2.05e-03   53.300 57
CPL   0.024    1.708      40.0   10.3      1.53e-01 1.07e+00   47.420 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: 1.664000 sec.
T50 in the 50-300 keV band: 1.152000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   30.616  -28.056    2.560
T90    29.972  -27.772    2.200
T50    17.028  -16.316    0.712
Peak    1.000   -0.036    0.964

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  197.0930 -58.9964 0.0247   31.9   56.9       0.7317     7.8  TRIG_00566545       
------------------------------------------
 
Foreground time interval of the image:
-28.056   2.560 (delta_t =  30.616 [sec])
Background time interval of the image:
-173.323 -28.056 (delta_t = 145.267 [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  -28.056 sec. to    2.560 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.86717     ( -0.327248   0.353698 )
Norm@50keV  : 1.51150E-03    ( -0.000344822   0.000331842 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.22 using 59 PHA bins.
# Reduced chi-squared =         0.7407 for     57 degrees of freedom 
# Null hypothesis probability =   9.281845e-01
 
Photon flux (15-150 keV)    in 30.62 sec: 0.213956 ( -0.0394468  0.0394555 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.25483e-07 ( -9.36461e-08  9.68397e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -28.056 sec. to    2.560 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.53509     ( -1.81592   0.670488 )
Epeak [keV] : 58.6263      (   )
Norm@50keV  : 2.35858E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.03 using 59 PHA bins.
# Reduced chi-squared =         0.7506 for     56 degrees of freedom 
# Null hypothesis probability =   9.168592e-01
 
Photon flux (15-150 keV)    in 30.62 sec: 0.211625 ( -0.040612  0.040266 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.10195e-07 ( -1.097e-07  1.08738e-07 ) ergs/cm2
 
Band function
Time interval is from  -28.056 sec. to    2.560 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.50817   ( -3.75856   -3.75856 )
beta        : -2.09956    ( -0.726686   0.500975 )
Epeak [keV] : 26.9898      ( -25.7522 61.7026 )
Norm@50keV   : 2.37576    ( -2.371   99.053 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.35 using 59 PHA bins.
# Reduced chi-squared =         0.7518 for     55 degrees of freedom 
# Null hypothesis probability =   9.135447e-01
 
Photon flux (15-150 keV)    in 30.62 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]    : 9.93280  (-2.0095  2.612)
R^2/D10^2   : 0.103550  (-0.0608584   0.141001)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.79 using 59 PHA bins.
# Reduced chi-squared =         0.8385 for     57 degrees of freedom 
# Null hypothesis probability =   8.023945e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.356e-08   2.079e-08
25- 50  1.565e-07   4.976e-08
50-150  8.011e-08   3.905e-08
15-150  3.002e-07   1.054e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 82.2354       (-37.6908      -82.2354)
Norm        : 0.999611       (-0.245222     0.346549)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.09 using 59 PHA bins.
# Reduced chi-squared =         0.7384 for     57 degrees of freedom 
# Null hypothesis probability =   9.302207e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.955e-08   2.197e-08
25- 50  1.318e-07   3.584e-08
50-150  1.895e-07   1.337e-07
15-150  4.009e-07   1.649e-07
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.18296        (-3.39487      3.17179)
R1^2/D10^2  : 0.286107        (      )
kT2 [keV]   : 31.1170        (-18.3683      -31.1843)
R2^2/D10^2  : 1.00733E-03    (-0.000975741   0.00350778)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.71 using 59 PHA bins.
#Fit statistic : Chi-Squared =          41.37 using 59 PHA bins.
# Reduced chi-squared =         0.7584 for     55 degrees of freedom 
# Reduced chi-squared =         0.7521 for     55 degrees of freedom 
# Null hypothesis probability =   9.068434e-01
# Null hypothesis probability =   9.132793e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.018e-08   4.720e-08
25- 50  1.277e-07   7.049e-08
50-150  1.814e-07   1.244e-07
15-150  3.894e-07   2.127e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.036 sec. to    0.964 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.03787     ( -0.264655   0.290384 )
Norm@50keV  : 1.01483E-02    ( -0.00208206   0.00202597 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.30 using 59 PHA bins.
# Reduced chi-squared =         0.9351 for     57 degrees of freedom 
# Null hypothesis probability =   6.146377e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.54936 ( -0.246969  0.246986 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.38007e-08 ( -1.76497e-08  1.81382e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.036 sec. to    0.964 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.41364E-02     ( -1.94606   1.4702 )
Epeak [keV] : 39.9834      ( -9.69314 10.9563 )
Norm@50keV  : 0.153060    ( -0.153916   1.97914 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.42 using 59 PHA bins.
# Reduced chi-squared =         0.8469 for     56 degrees of freedom 
# Null hypothesis probability =   7.858229e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.49097 ( -0.24714  0.24849 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.32742e-08 ( -1.59489e-08  1.79718e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.036 sec. to    0.964 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -6.85274E-02   ( 1.17761   1.26521 )
beta        : -10.00000    ( 10   6.32685e-11 )
Epeak [keV] : 39.9328      ( -7.58251 8.77102 )
Norm@50keV   : 0.144637    ( -0.0224357   1.99825 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.43 using 59 PHA bins.
# Reduced chi-squared =         0.8623 for     55 degrees of freedom 
# Null hypothesis probability =   7.561109e-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]    : 10.2247  (-1.49912  1.69262)
R^2/D10^2   : 0.718113  (-0.321449   0.589558)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.30 using 59 PHA bins.
# Reduced chi-squared =         0.8649 for     57 degrees of freedom 
# Null hypothesis probability =   7.560261e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.540e-08   3.901e-09
25- 50  3.950e-08   9.635e-09
50-150  2.198e-08   8.215e-09
15-150  7.688e-08   1.735e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 59.1141       (-19.688      36.3426)
Norm        : 8.37692       (-1.8807     2.3476)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.47 using 59 PHA bins.
# Reduced chi-squared =         0.8680 for     57 degrees of freedom 
# Null hypothesis probability =   7.502410e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.100e-08   4.325e-09
25- 50  3.182e-08   6.995e-09
50-150  3.576e-08   1.588e-08
15-150  8.858e-08   2.419e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.57679        (-3.57679      -3.57679)
R1^2/D10^2  : 14.7620        (-14.762      -14.762)
kT2 [keV]   : 11.6260        (-2.18471      -11.626)
R2^2/D10^2  : 0.391987    (-0.391987   0.603374)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.92 using 59 PHA bins.
# Reduced chi-squared =         0.8532 for     55 degrees of freedom 
# Null hypothesis probability =   7.724417e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.877e-08   9.855e-09
25- 50  3.582e-08   1.997e-08
50-150  2.693e-08   1.639e-08
15-150  8.152e-08   4.305e-08
Plot creation:
Sat Aug 17 00:42:27 EDT 2013