batgrbproduct Analysis for Trigger=565443

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Aug  5 23:26:54 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger565443/batgroup_hand_proc
======================================================================

  Trigger: 00565443      Segment: 000

  BAT Trigger Time: 397361360.752   [s; MET]
      Trigger Stop: 397361360.76   [s; MET]
               UTC: 2013-08-05T02:09:09.878800    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 266.420152890557   Dec: -29.0043786636235  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    9.83
     Image Trigger?:     NO
     Rate S/N Ratio:     45.2437841034545  [ if not an image trigger ]
     Image S/N Ratio:    9.83

  Flight Position:   [ source = BAT ]
    RA: 266.420152890557   Dec: -29.0043786636235  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 266.403498918295   Dec: -29.0173030363041  [deg; J2000]  
        { 17h 45m 36.8s , -29d 01' 02.3" }
         +/- 1.88719894174702 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.721301588318725 [arcmin] (formal 1-sigma fit error)
    SNR: 12.2770243336454
 
  Angular difference between Flight and Ground position is 1.168322 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 0.00800001621246338 +/- 0.143108374017273
        Measured from: 0
                   to: 0.00800001621246338     [s; relative to TRIGTIME]
     T50: 0.00800001621246338 +/- 0.064
        Measured from: 0
                   to: 0.00800001621246338     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 0.00800001621246338 second)
        Measured from: 0     
                   to: 0.00800001621246338     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 0.00800001621246338     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.008458   0.012116   0.004135   0.000502
           0.001398   0.001354   0.000830   0.000336 [error]
 Peak      0.008458   0.012116   0.004135   0.000502
           0.001398   0.001354   0.000830   0.000336 [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 3.01e-09 2.96e-09 2.03e-09 2.20e-09 8.88e-09 1.02e-08   erg/cm2
              Error 5.81e-10 4.89e-10 5.43e-10 1.05e-09 1.52e-09 2.04e-09   erg/cm2
Peak flux Power-law 1.24e+01 6.80e+00 2.34e+00 1.05e+00 2.21e+01 2.26e+01   ph/cm2/s
              Error 2.43e+00 1.11e+00 6.07e-01 4.69e-01 3.58e+00 3.63e+00   ph/cm2/s
 
Fluence   Cutoff-PL 2.22e-09 5.20e-09 1.67e-09 2.37e-11 9.11e-09 9.11e-09   erg/cm2
              Error 6.81e-10 9.03e-10 6.59e-10 5.73e-11 1.37e-09 1.37e-09   erg/cm2
Peak flux Cutoff-PL 8.65e+00 1.17e+01 2.15e+00 1.69e-02 2.25e+01 2.25e+01   ph/cm2/s
              Error 2.80e+00 1.99e+00 7.89e-01 3.94e-02 3.58e+00 3.58e+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    2.541    0.255    -      -           1.10e-01 2.29e-02   62.880 57
CPL  -2.245    2.129      34.9    3.7      8.04e+01 1.40e+03   37.030 56
 
The chi2 of BB fit is Chi-Squared Chi-Squared which shows a significant improvement in the fit over a PL.
Check the BB fit.
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.541    0.255    -      -           1.10e-01 2.29e-02   62.880 57
CPL  -2.245    2.129      34.9    3.7      8.04e+01 1.40e+03   37.030 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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    0.008    0.000    0.008
T90     0.008    0.000    0.008
T50     0.008    0.000    0.008
Peak    0.008    0.000    0.008

Image

Pre-slew 15.0-350.0 keV image (Event data)

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  266.4035   -29.0173   0.0156     3.1874    17.3990         0.0245031     12.277 TRIG_00565443                 
 
Foreground time interval of the image:
  0.000   0.008 (delta_t =   0.008 [sec])
Background time interval of the image:
-119.752  -8.752 (delta_t = 111.000 [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    0.000 sec. to    0.008 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.54146     ( -0.242872   0.267578 )
Norm@50keV  : 0.109768    ( -0.0230902   0.0226955 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.88 using 59 PHA bins.
# Reduced chi-squared =          1.103 for     57 degrees of freedom 
# Null hypothesis probability =   2.760688e-01
 
Photon flux (15-150 keV)    in 0.008 sec: 22.1239 ( -3.57742  3.58077 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.88208e-09 ( -1.51681e-09  1.52935e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    0.008 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -2.24459     ( -2.48754   1.7706 )
Epeak [keV] : 34.9293      ( -3.88393 3.51702 )
Norm@50keV  : 80.4120    ( -104.561   2690.29 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.03 using 59 PHA bins.
# Reduced chi-squared =         0.6613 for     56 degrees of freedom 
# Null hypothesis probability =   9.762865e-01
 
Photon flux (15-150 keV)    in 0.008 sec: 22.5344 ( -3.5721  3.5912 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.10696e-09 ( -1.36186e-09  1.37168e-09 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    0.008 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.56680   ( -2.47646   1.91101 )
beta        : -9.11594    ( 8.90445   18.7765 )
Epeak [keV] : 35.2643      ( -3.68437 3.25706 )
Norm@50keV   : 122.570    ( -121.903   1622.17 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.02 using 59 PHA bins.
# Reduced chi-squared =         0.6730 for     55 degrees of freedom 
# Null hypothesis probability =   9.701237e-01
 
Photon flux (15-150 keV)    in 0.008 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]    : 8.85158  (-0.875825  0.911055)
R^2/D10^2   : 19.9077  (-6.97092   10.715)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.24 using 59 PHA bins.
# Reduced chi-squared =         0.6533 for     57 degrees of freedom 
# Null hypothesis probability =   9.801951e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.408e-09   4.996e-10
25- 50  4.986e-09   8.628e-10
50-150  1.807e-09   6.132e-10
15-150  9.202e-09   1.603e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 33.0935       (-6.86039      9.09419)
Norm        : 178.595       (-41.3216     50.5328)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.57 using 59 PHA bins.
# Reduced chi-squared =         0.8872 for     57 degrees of freedom 
# Null hypothesis probability =   7.133654e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.047e-09   5.592e-10
25- 50  3.668e-09   6.692e-10
50-150  2.276e-09   8.872e-10
15-150  8.991e-09   1.587e-09
Double BB
R1^2/D10^2  : 3.35761E+11        (      )
kT2 [keV]   : 9.01726        (-0.895578      0.938883)
R2^2/D10^2  : 18.0296    (-6.49739   7.3901)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          33.91 using 59 PHA bins.
#Fit statistic : Chi-Squared =          33.83 using 59 PHA bins.
#Fit statistic : Chi-Squared =          33.56 using 59 PHA bins.
# Reduced chi-squared =         0.6165 for     55 degrees of freedom 
# Reduced chi-squared =         0.6151 for     55 degrees of freedom 
# Reduced chi-squared =         0.6101 for     55 degrees of freedom 
# Null hypothesis probability =   9.887340e-01
# Null hypothesis probability =   9.890358e-01
# Null hypothesis probability =   9.900509e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.362e-09   5.496e-10
25- 50  4.865e-09   9.592e-10
50-150  1.871e-09   6.584e-10
15-150  9.098e-09   1.708e-09

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to    0.008 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.54146     ( -0.242872   0.267578 )
Norm@50keV  : 0.109768    ( -0.0230902   0.0226955 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.88 using 59 PHA bins.
# Reduced chi-squared =          1.103 for     57 degrees of freedom 
# Null hypothesis probability =   2.760688e-01
 
Photon flux (15-150 keV)    in 0.008 sec: 22.1239 ( -3.57742  3.58077 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.88208e-09 ( -1.51681e-09  1.52935e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    0.008 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -2.24459     ( -2.48754   1.7706 )
Epeak [keV] : 34.9293      ( -3.88393 3.51702 )
Norm@50keV  : 80.4120    ( -104.561   2690.29 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.03 using 59 PHA bins.
# Reduced chi-squared =         0.6613 for     56 degrees of freedom 
# Null hypothesis probability =   9.762865e-01
 
Photon flux (15-150 keV)    in 0.008 sec: 22.5344 ( -3.5721  3.5912 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.10696e-09 ( -1.36186e-09  1.37168e-09 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    0.008 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.56680   ( -2.47646   1.91101 )
beta        : -9.11594    ( 8.90445   18.7765 )
Epeak [keV] : 35.2643      ( -3.68437 3.25706 )
Norm@50keV   : 122.570    ( -121.903   1382.39 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.02 using 59 PHA bins.
# Reduced chi-squared =         0.6730 for     55 degrees of freedom 
# Null hypothesis probability =   9.701237e-01
 
Photon flux (15-150 keV)    in 0.008 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]    : 8.85158  (-0.875825  0.911055)
R^2/D10^2   : 19.9077  (-6.97092   10.715)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.24 using 59 PHA bins.
# Reduced chi-squared =         0.6533 for     57 degrees of freedom 
# Null hypothesis probability =   9.801951e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.408e-09   5.564e-10
25- 50  4.986e-09   8.944e-10
50-150  1.807e-09   6.204e-10
15-150  9.202e-09   1.744e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 33.0935       (-6.86039      9.09419)
Norm        : 178.595       (-41.3216     50.5328)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.57 using 59 PHA bins.
# Reduced chi-squared =         0.8872 for     57 degrees of freedom 
# Null hypothesis probability =   7.133654e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.047e-09   5.756e-10
25- 50  3.668e-09   6.496e-10
50-150  2.276e-09   8.480e-10
15-150  8.991e-09   1.720e-09
Double BB
R1^2/D10^2  : 1.28418E+11        (      )
kT2 [keV]   : 9.01870        (-0.894864      0.944123)
R2^2/D10^2  : 18.0136    (-6.49546   7.41878)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          33.91 using 59 PHA bins.
#Fit statistic : Chi-Squared =          33.64 using 59 PHA bins.
#Fit statistic : Chi-Squared =          33.62 using 59 PHA bins.
# Reduced chi-squared =         0.6165 for     55 degrees of freedom 
# Reduced chi-squared =         0.6116 for     55 degrees of freedom 
# Reduced chi-squared =         0.6112 for     55 degrees of freedom 
# Null hypothesis probability =   9.887340e-01
# Null hypothesis probability =   9.897493e-01
# Null hypothesis probability =   9.898343e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.362e-09   5.972e-10
25- 50  4.865e-09   9.232e-10
50-150  1.871e-09   6.684e-10
15-150  9.098e-09   1.682e-09
Plot creation:
Tue Aug  6 00:25:47 EDT 2013