batgrbproduct Analysis for Trigger=556533

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat May 25 03:23:51 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger556533/GCN5_download_cron
======================================================================

  Trigger: 00556533      Segment: 000

  BAT Trigger Time: 391061045.592   [s; MET]
      Trigger Stop: 391061045.656   [s; MET]
               UTC: 2013-05-24T04:03:55.001040    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 118.580165214582   Dec: -28.1344888419534  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.85
     Image Trigger?:     NO
     Rate S/N Ratio:     9.16515138991168  [ if not an image trigger ]
     Image S/N Ratio:    5.85

  Flight Position:   [ source = BAT ]
    RA: 118.580165214582   Dec: -28.1344888419534  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 118.602870453884   Dec: -28.1418136801491  [deg; J2000]  
        { 07h 54m 24.7s , -28d 08' 30.5" }
         +/- 2.98103334664702 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.88178069561391 [arcmin] (formal 1-sigma fit error)
    SNR: 6.3892734264666
 
  Angular difference between Flight and Ground position is 1.279175 arcmin
 
  Partial Coding Fraction: 0.2539062    [ including projection effects ]

  Duration
     T90: 0.0640000104904175 +/- 
        Measured from: 0
                   to: 0.0640000104904175     [s; relative to TRIGTIME]
     T50: 0.0640000104904175 +/- 
        Measured from: 0
                   to: 0.0640000104904175     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 0.0640000104904175 second)
        Measured from: 0     
                   to: 0.0640000104904175     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 0.0640000104904175     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.003711   0.005215   0.014660   0.014442
           0.003787   0.003238   0.004113   0.004260 [error]
 Peak      0.003711   0.005215   0.014660   0.014442
           0.003787   0.003238   0.004113   0.004260 [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 1.03e-10 5.58e-10 2.61e-09 5.08e-08 8.15e-09 5.41e-08   erg/cm2
              Error 2.11e-10 6.66e-10 2.39e-09 7.88e-08 6.79e-09 8.01e-08   erg/cm2
Peak flux Power-law 4.96e-02 1.44e-01 3.37e-01 2.15e+00 9.10e-01 2.70e+00   ph/cm2/s
              Error 1.05e-01 1.76e-01 3.09e-01 3.03e+00 8.40e-01 3.24e+00   ph/cm2/s
 
Fluence   Cutoff-PL 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 Cutoff-PL 6.00e-04 7.15e-02 9.43e-01 5.58e-01 1.52e+00 1.57e+00   ph/cm2/s
              Error 6.94e-03 1.05e-01 5.05e-01 7.82e-01 8.38e-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 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   -0.206    0.609    -      -           6.22e-03 6.36e-03   51.830 57
CPL  -9.997   -2.062     100.7   27.2      2.92e+00 2.29e+00   45.070 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -0.206    0.609    -      -           6.22e-03 6.36e-03   51.830 57
CPL  -9.997   -2.062     100.7   27.2      2.92e+00 2.29e+00   45.070 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    0.064    0.000    0.064
T90     0.064    0.000    0.064
T50     0.064    0.000    0.064
Peak    0.064    0.000    0.064

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  118.6029 -28.1418 0.0299   49.0 -178.8       0.0467     6.4  TRIG_00556533       
------------------------------------------
 
Foreground time interval of the image:
  0.000   0.064 (delta_t =   0.064 [sec])
Background time interval of the image:
-239.592  -5.592 (delta_t = 234.000 [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    0.064 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.206187     ( 0.241748   1.46017 )
Norm@50keV  : 6.22320E-03    ( -0.00619234   0.00653035 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.83 using 59 PHA bins.
# Reduced chi-squared =         0.9093 for     57 degrees of freedom 
# Null hypothesis probability =   6.687648e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 0.910225 ( -0.910225  0.769815 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.15142e-09 ( -6.78854e-09  6.78752e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    0.064 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -9.99743     ( 9.99907   5.8754 )
Epeak [keV] : 100.705      ( -20.9743 33.4139 )
Norm@50keV  : 2.92324    ( -2.90998   1.67201 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.07 using 59 PHA bins.
# Reduced chi-squared =         0.8049 for     56 degrees of freedom 
# Null hypothesis probability =   8.518209e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 1.51612 ( -0.771655  0.79261 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    0.064 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -4.74221   -5 )
beta        : -9.37167    ( 9.37167   19.3716 )
Epeak [keV] : 113.734      ( -27.5865 47.3655 )
Norm@50keV   : 0.226457    ( -0.123072   0.622145 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.11 using 59 PHA bins.
# Reduced chi-squared =         0.8565 for     55 degrees of freedom 
# Null hypothesis probability =   7.665140e-01
 
Photon flux (15-150 keV)    in 0.064 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]    : 48.7983  (  )
R^2/D10^2   : 5.78688E-03  (-0.00530307   0.0246769)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.61 using 59 PHA bins.
# Reduced chi-squared =         0.8880 for     57 degrees of freedom 
# Null hypothesis probability =   7.118680e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 7.00000       (-7      -7)
Norm        : 0.0       (0     0)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.76 using 59 PHA bins.
# Reduced chi-squared =         0.9782 for     57 degrees of freedom 
# Null hypothesis probability =   5.216836e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.00000        (-4      -4)
R1^2/D10^2  : 0.0        (0      0)
kT2 [keV]   : 49.2169        (-26.646      -49.3457)
R2^2/D10^2  : 5.75119E-03    (-0.00557425   0.0241782)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.61 using 59 PHA bins.
# Reduced chi-squared =         0.9202 for     55 degrees of freedom 
# Null hypothesis probability =   6.428268e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00

Peak spectrum fit

Power-law model
Time interval is from    0.000 sec. to    0.064 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.206187     ( 0.241748   1.46017 )
Norm@50keV  : 6.22320E-03    ( -0.00619234   0.00653035 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.83 using 59 PHA bins.
# Reduced chi-squared =         0.9093 for     57 degrees of freedom 
# Null hypothesis probability =   6.687648e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 0.910225 ( -0.910225  0.769815 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.15142e-09 ( -6.78854e-09  6.78752e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.000 sec. to    0.064 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -9.99743     ( 9.99907   5.8754 )
Epeak [keV] : 100.705      ( -20.9743 33.4139 )
Norm@50keV  : 2.92324    ( -2.90998   1.67203 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.07 using 59 PHA bins.
# Reduced chi-squared =         0.8049 for     56 degrees of freedom 
# Null hypothesis probability =   8.518209e-01
 
Photon flux (15-150 keV)    in 0.064 sec: 1.51612 ( -0.771655  0.79261 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from    0.000 sec. to    0.064 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -4.74596   -5 )
beta        : -9.37167    ( 9.37167   19.3716 )
Epeak [keV] : 113.734      ( -27.5865 47.3655 )
Norm@50keV   : 0.226457    ( -0.123072   0.622145 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.11 using 59 PHA bins.
# Reduced chi-squared =         0.8565 for     55 degrees of freedom 
# Null hypothesis probability =   7.665140e-01
 
Photon flux (15-150 keV)    in 0.064 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]    : 48.7983  (  )
R^2/D10^2   : 5.78688E-03  (-0.00530307   0.0246769)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.61 using 59 PHA bins.
# Reduced chi-squared =         0.8880 for     57 degrees of freedom 
# Null hypothesis probability =   7.118680e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 7.00000       (-7      -7)
Norm        : 0.0       (0     0)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.76 using 59 PHA bins.
# Reduced chi-squared =         0.9782 for     57 degrees of freedom 
# Null hypothesis probability =   5.216836e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.00000        (-4      -4)
R1^2/D10^2  : 0.0        (0      0)
kT2 [keV]   : 49.2169        (-26.6666      -49.3457)
R2^2/D10^2  : 5.75119E-03    (-0.00557425   0.0241782)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.61 using 59 PHA bins.
# Reduced chi-squared =         0.9202 for     55 degrees of freedom 
# Null hypothesis probability =   6.428268e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  0.000e+00   0.000e+00
25- 50  0.000e+00   0.000e+00
50-150  0.000e+00   0.000e+00
15-150  0.000e+00   0.000e+00
Plot creation:
Sat May 25 03:40:16 EDT 2013