batgrbproduct Analysis for Trigger=534394

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Sep 23 14:04:22 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger534394/GCN5_download_cron
======================================================================

  Trigger: 00534394      Segment: 000

  BAT Trigger Time: 370045838.336   [s; MET]
      Trigger Stop: 370045842.432   [s; MET]
               UTC: 2012-09-22T22:30:28.656560    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 234.755696507915   Dec: -20.1770777233188  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.36
     Image Trigger?:     NO
     Rate S/N Ratio:     7.54983443527075  [ if not an image trigger ]
     Image S/N Ratio:    7.36

  Flight Position:   [ source = BAT ]
    RA: 234.755696507915   Dec: -20.1770777233188  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 234.758492531301   Dec: -20.1809750037279  [deg; J2000]  
        { 15h 39m 02.0s , -20d 10' 51.5" }
         +/- 1.20587324025891 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.364772458120238 [arcmin] (formal 1-sigma fit error)
    SNR: 23.2794735396126
 
  Angular difference between Flight and Ground position is 0.281912 arcmin
 
  Partial Coding Fraction: 0.3398438    [ including projection effects ]

  Duration
     T90: 157.055999934673 +/- 30.2400963128712
        Measured from: -14.4839999079704
                   to: 142.572000026703     [s; relative to TRIGTIME]
     T50: 95.0199999809265 +/- 4.27919431835037
        Measured from: 7.30000007152557
                   to: 102.320000052452     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 99.2119999527931     
                   to: 100.211999952793     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -22.5800000429153     
                   to: 215.727999985218     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.476967   3.961129   1.990667   0.371911
           0.125237   0.120388   0.103229   0.089368 [error]
 Peak      0.080925   0.077971   0.042633   0.013538
           0.007102   0.006840   0.005818   0.004672 [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 1.39e-06 1.79e-06 1.68e-06 2.79e-06 5.81e-06 7.66e-06   erg/cm2
              Error 9.46e-08 7.33e-08 1.06e-07 3.68e-07 2.48e-07 4.62e-07   erg/cm2
Peak flux Power-law 9.64e-01 6.71e-01 3.07e-01 1.96e-01 2.04e+00 2.14e+00   ph/cm2/s
              Error 1.45e-01 6.55e-02 5.10e-02 6.31e-02 2.04e-01 2.09e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.28e-06 1.87e-06 1.69e-06 1.35e-06 6.20e-06 0.00e+00   erg/cm2
              Error 1.17e-07 9.09e-08 1.14e-07 6.46e-07 7.22e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 9.55e-01 6.76e-01 3.08e-01 1.77e-01 2.03e+00 2.12e+00   ph/cm2/s
              Error 1.59e-01 7.76e-02 5.22e-02 9.59e-02 2.11e-01 2.42e-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 1.00e+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    2.089    0.080    -      -           2.64e-03 1.20e-04   60.890 57
CPL   1.580    0.357      38.4    0.0      4.88e-03 0.00e+00   54.140 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.128    0.196    -      -           1.28e-02 1.58e-03   48.460 57
CPL   1.971    0.359       8.8   -0.3      1.55e-02 0.00e+00   48.460 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: 152.192000 sec.
T50 in the 50-300 keV band: 100.608000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  238.308  -22.580  215.728
T90   157.056  -14.484  142.572
T50    95.020    7.300  102.320
Peak    1.000   99.212  100.212

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  234.7585 -20.1810 0.0083   44.4  -30.5       4.0026    23.3  TRIG_00534394       
------------------------------------------
 
Foreground time interval of the image:
-22.580  29.324 (delta_t =  51.904 [sec])
 30.664  35.065 (delta_t =   4.401 [sec])
Background time interval of the image:
-239.336 -56.406 (delta_t = 182.930 [sec])
-55.336 -22.580 (delta_t =  32.756 [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
Multiple GTIs in the spectrum
tstart tstop
-22.580000 29.324000
30.664000 215.728000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.08901     ( -0.0790673   0.0804487 )
Norm@50keV  : 2.64075E-03    ( -0.000120676   0.00011982 )
------------------------------------------------------------
# Chi-Squared =          60.89 using 59 PHA bins.
# Reduced chi-squared =          1.068 for     57 degrees of freedom 
# Null hypothesis probability =   3.377937e-01
 
Photon flux (15-150 keV)    in 237 sec: 0.413219 ( -0.0181934  0.0182709 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.80885e-06 ( -2.47208e-07  2.4794e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-22.580000 29.324000
30.664000 215.728000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.58013     ( -0.372531   0.34061 )
Epeak [keV] : 38.3573      (   )
Norm@50keV  : 4.88334E-03    (     )
------------------------------------------------------------
# Chi-Squared =          54.14 using 59 PHA bins.
# Reduced chi-squared =         0.9669 for     56 degrees of freedom 
# Null hypothesis probability =   5.453993e-01
 
Photon flux (15-150 keV)    in 237 sec: 0.398535 ( -0.02037  0.020459 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.20096e-06 ( -5.85058e-07  8.58935e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-22.580000 29.324000
30.664000 215.728000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.959320   ( -0.169977   0.179466 )
beta        : 10.00000    ( -1.97895e+15   -1.97895e+15 )
Epeak [keV] : 0.961507      (   )
Norm@50keV   : 7.22384E-20    (     )
------------------------------------------------------------
# Chi-Squared =         581.93 using 59 PHA bins.
# Reduced chi-squared =         10.581 for     55 degrees of freedom 
# Null hypothesis probability =   4.453626e-89
 
Photon flux (15-150 keV)    in 237 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]    : 10.9232  (  )
R^2/D10^2   : 0.127722  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =         157.42 using 59 PHA bins.
# Reduced chi-squared =         2.7618 for     57 degrees of freedom 
# Null hypothesis probability =   2.404915e-11
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.536e-07   5.688e-08
25- 50  2.112e-06   9.468e-08
50-150  1.415e-06   1.382e-07
15-150  4.281e-06   1.896e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 65.3225       (-7.50022      9.03452)
Norm        : 2.02321       (-0.148944     0.162883)
------------------------------------------------------------
# Chi-Squared =          55.42 using 59 PHA bins.
# Reduced chi-squared =         0.9723 for     57 degrees of freedom 
# Null hypothesis probability =   5.345161e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.220e-06   7.181e-08
25- 50  1.904e-06   8.248e-08
50-150  2.321e-06   2.199e-07
15-150  5.445e-06   2.465e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.20364        (-1.10995      0.975021)
R1^2/D10^2  : 0.483614        (-0.165416      0.366527)
kT2 [keV]   : 23.1083        (-4.77947      7.58349)
R2^2/D10^2  : 4.31038E-03    (-0.00283998   0.00728949)
------------------------------------------------------------
# Chi-Squared =          62.51 using 59 PHA bins.
# Reduced chi-squared =          1.137 for     55 degrees of freedom 
# Null hypothesis probability =   2.268869e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.082e-06   1.341e-07
25- 50  1.959e-06   2.142e-07
50-150  2.401e-06   7.652e-07
15-150  5.442e-06   1.033e-06

Peak spectrum fit

Power-law model
Time interval is from   99.212 sec. to  100.212 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.12825     ( -0.190465   0.202321 )
Norm@50keV  : 1.27676E-02    ( -0.00160225   0.00155709 )
------------------------------------------------------------
# Chi-Squared =          48.46 using 59 PHA bins.
# Reduced chi-squared =         0.8502 for     57 degrees of freedom 
# Null hypothesis probability =   7.823688e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.03714 ( -0.203784  0.20433 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.18971e-07 ( -1.32056e-08  1.33721e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   99.212 sec. to  100.212 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.97073     ( -0.669114   0.0480245 )
Epeak [keV] : 8.76568      ( -6.8736 -7.42592 )
Norm@50keV  : 1.54804E-02    (     )
------------------------------------------------------------
# Chi-Squared =          48.46 using 59 PHA bins.
# Reduced chi-squared =         0.8654 for     56 degrees of freedom 
# Null hypothesis probability =   7.527644e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.02958 ( -0.21355  0.20911 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.4827e-07 ( -3.6618e-08  3.1063e-08 ) ergs/cm2
 
Band function
Time interval is from   99.212 sec. to  100.212 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -2.78679   ( 2.78679   2.78679 )
beta        : -2.12824    ( -0.202321   0.190565 )
Epeak [keV] : 12.1234      ( -12.1234 -12.1234 )
Norm@50keV   : 1.73530    ( -0.217769   0.21163 )
------------------------------------------------------------
# Chi-Squared =          48.46 using 59 PHA bins.
# Reduced chi-squared =         0.8811 for     55 degrees of freedom 
# Null hypothesis probability =   7.209661e-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]    : 10.0863  (-1.30584  1.48699)
R^2/D10^2   : 0.858265  (-0.352593   0.616033)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          81.10 using 59 PHA bins.
# Reduced chi-squared =          1.423 for     57 degrees of freedom 
# Null hypothesis probability =   1.965859e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.783e-08   2.970e-09
25- 50  4.488e-08   5.680e-09
50-150  2.401e-08   6.575e-09
15-150  8.673e-08   1.067e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 61.4357       (-15.88      24.3583)
Norm        : 10.3245       (-1.70784     2.03592)
------------------------------------------------------------
# Chi-Squared =          51.12 using 59 PHA bins.
# Reduced chi-squared =         0.8969 for     57 degrees of freedom 
# Null hypothesis probability =   6.941336e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.604e-08   3.740e-09
25- 50  3.993e-08   4.260e-09
50-150  4.632e-08   1.063e-08
15-150  1.123e-07   1.479e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.48972        (-1.3105      1.68129)
R1^2/D10^2  : 16.1169        (-11.5983      36.0909)
kT2 [keV]   : 17.3650        (-3.85066      6.71183)
R2^2/D10^2  : 8.21641E-02    (-0.0597811   0.148875)
------------------------------------------------------------
# Chi-Squared =          49.65 using 59 PHA bins.
# Reduced chi-squared =         0.9027 for     55 degrees of freedom 
# Null hypothesis probability =   6.785199e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.998e-08   1.479e-08
25- 50  3.495e-08   1.165e-08
50-150  4.920e-08   2.292e-08
15-150  1.141e-07   3.951e-08
Plot creation:
Sun Sep 23 14:31:07 EDT 2012