batgrbproduct Analysis for Trigger=547142

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Jan 29 05:37:30 EST 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger547142/GCN5_download_cron
======================================================================

  Trigger: 00547142      Segment: 000

  BAT Trigger Time: 381046600   [s; MET]
      Trigger Stop: 381047880   [s; MET]
               UTC: 2013-01-28T06:16:29.848640    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 268.413120535477   Dec: -25.7616429145444  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    8.81
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    8.81

  Flight Position:   [ source = BAT ]
    RA: 268.413120535477   Dec: -25.7616429145444  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 268.429306215048   Dec: -25.745180736337  [deg; J2000]  
        { 17h 53m 43.0s , -25d 44' 42.7" }
         +/- 2.96479826509055 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.87192207213175 [arcmin] (formal 1-sigma fit error)
    SNR: 6.43931391500083
 
  Angular difference between Flight and Ground position is 1.319347 arcmin
 
  Partial Coding Fraction: 0.9296875    [ including projection effects ]

  Duration
     T90: 1280 +/- 
        Measured from: 0
                   to: 1280     [s; relative to TRIGTIME]
     T50: 1280 +/- 
        Measured from: 0
                   to: 1280     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 1280 second)
        Measured from: 0     
                   to: 1280     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 1280     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.865436   1.337025   0.956370   0.017906
           0.171090   0.153422   0.127317   0.106650 [error]
 Peak      1.865436   1.337025   0.956370   0.017906
           0.171090   0.153422   0.127317   0.106650 [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 4.88e-07 6.36e-07 6.07e-07 1.03e-06 2.07e-06 2.76e-06   erg/cm2
              Error 8.60e-08 7.17e-08 1.30e-07 4.53e-07 2.83e-07 5.79e-07   erg/cm2
Peak flux Power-law 2.00e-02 1.44e-02 6.89e-03 4.64e-03 4.35e-02 4.60e-02   ph/cm2/s
              Error 3.61e-03 1.62e-03 1.42e-03 1.89e-03 4.97e-03 5.16e-03   ph/cm2/s
 
Fluence   Cutoff-PL 4.95e-07 6.36e-07 5.99e-07 9.96e-07 2.72e-06 0.00e+00   erg/cm2
              Error 8.62e-08 5.43e-08 1.30e-07 4.55e-07 6.38e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 2.03e-02 1.44e-02 6.80e-03 4.50e-03 4.36e-02 4.59e-02   ph/cm2/s
              Error 3.62e-03 1.63e-03 1.40e-03 2.76e-03 4.99e-03 5.16e-03   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    2.067    0.249    -      -           2.81e-04 4.19e-05    0.000 57
CPL   2.332    0.000     131.1    0.0      2.10e-04 0.00e+00    0.000 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.067    0.249    -      -           2.81e-04 4.19e-05    0.000 57
CPL   2.332    0.000     131.1    0.0      2.10e-04 0.00e+00    0.000 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 1280.000    0.000 1280.000
T90  1280.000    0.000 1280.000
T50  1280.000    0.000 1280.000
Peak 1280.000    0.000 1280.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  268.4293 -25.7452 0.0300   17.8  -42.0       3.6795     6.4  TRIG_00547142       
------------------------------------------
 
Foreground time interval of the image:
165.000 381.120 (delta_t = 216.120 [sec])
382.000 718.900 (delta_t = 336.900 [sec])
720.000 963.041 (delta_t = 243.041 [sec])
Background time interval of the image:

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
Multiple GTIs in the spectrum
tstart tstop
165.000000 381.120000
382.000000 718.900000
720.000000 963.040700
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.06700     ( -0.239507   0.258034 )
Norm@50keV  : 2.81291E-04    ( -4.28657e-05   4.0995e-05 )
------------------------------------------------------------
#Test statistic : Chi-Squared =          65.10 using 59 PHA bins.
# Reduced chi-squared =          1.142 for     57 degrees of freedom 
# Null hypothesis probability =   2.156894e-01
 
Photon flux (15-150 keV)    in 796.1 sec: 4.35472E-02 ( -0.00495925  0.0049738 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.07443e-06 ( -2.7932e-07  2.85768e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
165.000000 381.120000
382.000000 718.900000
720.000000 963.040700
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.33172     (     )
Epeak [keV] : 131.059      (   )
Norm@50keV  : 2.10421E-04    (     )
------------------------------------------------------------
#Test statistic : Chi-Squared =          64.71 using 59 PHA bins.
# Reduced chi-squared =          1.155 for     56 degrees of freedom 
# Null hypothesis probability =   1.988093e-01
 
Photon flux (15-150 keV)    in 796.1 sec: 4.36283E-02 ( -0.005078  0.0048986 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.72271e-06 ( -6.45637e-07  6.29436e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
165.000000 381.120000
382.000000 718.900000
720.000000 963.040700
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -2.55457   ( 7.51486   2.55457 )
beta        : -2.06702    ( -0.258021   0.239412 )
Epeak [keV] : 51.4412      ( -51.4412 -51.4412 )
Norm@50keV   : 3.82312E-02    ( -0.00582597   0.00557194 )
------------------------------------------------------------
#Test statistic : Chi-Squared =          65.10 using 59 PHA bins.
# Reduced chi-squared =          1.184 for     55 degrees of freedom 
# Null hypothesis probability =   1.655261e-01
 
Photon flux (15-150 keV)    in 796.1 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]    : 11.8096  (-2.26952  2.55704)
R^2/D10^2   : 9.80563E-03  (-0.00495177   0.0120061)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Test statistic : Chi-Squared =         103.08 using 59 PHA bins.
# Reduced chi-squared =         1.8085 for     57 degrees of freedom 
# Null hypothesis probability =   1.799153e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.299e-07   4.956e-08
25- 50  7.100e-07   1.302e-07
50-150  5.890e-07   1.652e-07
15-150  1.529e-06   2.555e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 73.3868       (-24.1307      45.5524)
Norm        : 0.203387       (-0.036264     0.0468842)
------------------------------------------------------------
#Test statistic : Chi-Squared =          69.90 using 59 PHA bins.
# Reduced chi-squared =          1.226 for     57 degrees of freedom 
# Null hypothesis probability =   1.172275e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.174e-07   6.592e-08
25- 50  6.724e-07   8.351e-08
50-150  8.939e-07   3.318e-07
15-150  1.984e-06   3.328e-07
Double BB
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.67483        (-0.784339      0.919361)
R1^2/D10^2  : 1.00774        (-0.681587      1.98535)
kT2 [keV]   : 19.2039        (-3.39497      4.59319)
R2^2/D10^2  : 1.39905E-03    (-0.000752642   0.00146217)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.57 using 59 PHA bins.
#Test statistic : Chi-Squared =          55.57 using 59 PHA bins.
# Reduced chi-squared =          1.010 for     55 degrees of freedom 
# Null hypothesis probability =   4.530829e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.569e-07   2.655e-07
25- 50  5.239e-07   1.892e-07
50-150  1.059e-06   4.655e-07
15-150  2.140e-06   6.675e-07

Peak spectrum fit

Power-law model
Time interval is from  720.000 sec. to  963.041 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.06700     ( -0.239507   0.258034 )
Norm@50keV  : 2.81291E-04    ( -4.28657e-05   4.0995e-05 )
------------------------------------------------------------
#Test statistic : Chi-Squared =          65.10 using 59 PHA bins.
# Reduced chi-squared =          1.142 for     57 degrees of freedom 
# Null hypothesis probability =   2.156894e-01
 
Photon flux (15-150 keV)    in 796.1 sec: 4.35472E-02 ( -0.00495925  0.0049738 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.07443e-06 ( -2.7932e-07  2.85768e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  720.000 sec. to  963.041 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.33172     (     )
Epeak [keV] : 131.059      (   )
Norm@50keV  : 2.10421E-04    (     )
------------------------------------------------------------
#Test statistic : Chi-Squared =          64.71 using 59 PHA bins.
# Reduced chi-squared =          1.155 for     56 degrees of freedom 
# Null hypothesis probability =   1.988093e-01
 
Photon flux (15-150 keV)    in 796.1 sec: 4.36283E-02 ( -0.005078  0.0048986 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.72271e-06 ( -6.45637e-07  6.29436e-07 ) ergs/cm2
 
Band function
Time interval is from  720.000 sec. to  963.041 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -2.55457   ( 7.51486   2.55457 )
beta        : -2.06702    ( -0.258021   0.239412 )
Epeak [keV] : 51.4412      ( -51.4412 -51.4412 )
Norm@50keV   : 3.82312E-02    ( -0.00582597   0.00557194 )
------------------------------------------------------------
#Test statistic : Chi-Squared =          65.10 using 59 PHA bins.
# Reduced chi-squared =          1.184 for     55 degrees of freedom 
# Null hypothesis probability =   1.655261e-01
 
Photon flux (15-150 keV)    in 796.1 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]    : 11.8096  (-2.26952  2.55704)
R^2/D10^2   : 9.80563E-03  (-0.00495177   0.0120061)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Test statistic : Chi-Squared =         103.08 using 59 PHA bins.
# Reduced chi-squared =         1.8085 for     57 degrees of freedom 
# Null hypothesis probability =   1.799153e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.299e-07   5.187e-08
25- 50  7.100e-07   1.162e-07
50-150  5.890e-07   1.586e-07
15-150  1.529e-06   2.798e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 73.3868       (-24.1307      45.5524)
Norm        : 0.203387       (-0.036264     0.0468842)
------------------------------------------------------------
#Test statistic : Chi-Squared =          69.90 using 59 PHA bins.
# Reduced chi-squared =          1.226 for     57 degrees of freedom 
# Null hypothesis probability =   1.172275e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.174e-07   7.085e-08
25- 50  6.724e-07   8.829e-08
50-150  8.939e-07   2.961e-07
15-150  1.984e-06   3.248e-07
Double BB
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 3.67483        (-0.784339      0.919361)
R1^2/D10^2  : 1.00774        (-0.681587      1.98535)
kT2 [keV]   : 19.2039        (-3.39497      4.59319)
R2^2/D10^2  : 1.39905E-03    (-0.000752642   0.00146217)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.57 using 59 PHA bins.
#Test statistic : Chi-Squared =          55.57 using 59 PHA bins.
# Reduced chi-squared =          1.010 for     55 degrees of freedom 
# Null hypothesis probability =   4.530829e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.569e-07   2.781e-07
25- 50  5.239e-07   1.857e-07
50-150  1.059e-06   4.388e-07
15-150  2.140e-06   7.085e-07
Plot creation:
Tue Jan 29 05:47:32 EST 2013