batgrbproduct Analysis for Trigger=534815

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Sep 28 10:27:24 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger534815/GCN5_download_cron
======================================================================

  Trigger: 00534815      Segment: 000

  BAT Trigger Time: 370478456   [s; MET]
      Trigger Stop: 370478520   [s; MET]
               UTC: 2012-09-27T22:40:46.302240    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 136.600410032008   Dec: 0.417375483965046  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    18.92
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    18.92

  Flight Position:   [ source = BAT ]
    RA: 136.600410032008   Dec: 0.417375483965046  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 136.605582308039   Dec: 0.420406470473726  [deg; J2000]  
        { 09h 06m 25.3s , +00d 25' 13.5" }
         +/- 0.881470234026098 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.320715777716777 [arcmin] (formal 1-sigma fit error)
    SNR: 36.4244635002114
 
  Angular difference between Flight and Ground position is 0.359689 arcmin
 
  Partial Coding Fraction: 0.6484375    [ including projection effects ]

  Duration
     T90: 43.3559999465942 +/- 18.8572639594741
        Measured from: -14.7799998521805
                   to: 28.5760000944138     [s; relative to TRIGTIME]
     T50: 16.4799999594688 +/- 1.68170510544785
        Measured from: -3.93599987030029
                   to: 12.5440000891685     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -3.92799997329712     
                   to: -2.92799997329712     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -37.9399999976158     
                   to: 41.0400000214577     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.070991   1.669429   1.117764   0.183942
           0.059822   0.062482   0.054945   0.047318 [error]
 Peak      0.050276   0.068007   0.058277   0.017913
           0.007361   0.008055   0.007055   0.005673 [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 3.99e-07 6.75e-07 8.68e-07 2.25e-06 2.56e-06 4.19e-06   erg/cm2
              Error 3.08e-08 3.26e-08 5.33e-08 2.88e-07 1.29e-07 3.32e-07   erg/cm2
Peak flux Power-law 5.20e-01 5.19e-01 3.63e-01 4.02e-01 1.56e+00 1.80e+00   ph/cm2/s
              Error 1.05e-01 6.74e-02 5.59e-02 1.23e-01 1.95e-01 2.24e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.39e-07 7.44e-07 9.04e-07 6.44e-07 2.63e-06 0.00e+00   erg/cm2
              Error 3.66e-08 4.15e-08 6.13e-08 2.57e-07 2.87e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 4.68e-01 5.55e-01 3.84e-01 2.06e-01 1.53e+00 1.61e+00   ph/cm2/s
              Error 1.22e-01 8.28e-02 6.46e-02 1.86e-01 1.98e-01 2.68e-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 1.62e+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    1.637    0.079    -      -           3.48e-03 1.66e-04   77.300 57
CPL   0.630    0.378      66.1    9.6      1.14e-02 5.26e-03   50.980 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.516    0.201    -      -           1.25e-02 1.56e-03   57.440 57
CPL   0.871    0.825      87.2  -29.9      2.67e-02 3.29e-02   55.400 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: 26.880000 sec.
T50 in the 50-300 keV band: 13.632000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   78.980  -37.940   41.040
T90    43.356  -14.780   28.576
T50    16.480   -3.936   12.544
Peak    1.000   -3.928   -2.928

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  136.6056  +0.4204 0.0053   37.2  -15.1       4.0232    36.4  TRIG_00534815       
------------------------------------------
 
Foreground time interval of the image:
-14.699  41.040 (delta_t =  55.739 [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
Time interval is from  -37.940 sec. to   41.040 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.63697     ( -0.0783417   0.0787761 )
Norm@50keV  : 3.48190E-03    ( -0.000166387   0.000166012 )
------------------------------------------------------------
# Chi-Squared =          77.30 using 59 PHA bins.
# Reduced chi-squared =          1.356 for     57 degrees of freedom 
# Null hypothesis probability =   3.800485e-02
 
Photon flux (15-150 keV)    in 78.98 sec: 0.452716 ( -0.0217392  0.0217718 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.56105e-06 ( -1.2903e-07  1.29522e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -37.940 sec. to   41.040 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.630192     ( -0.394931   0.360845 )
Epeak [keV] : 66.0879      ( -7.20689 11.8961 )
Norm@50keV  : 1.14306E-02    ( -0.00389505   0.0066309 )
------------------------------------------------------------
# Chi-Squared =          50.98 using 59 PHA bins.
# Reduced chi-squared =         0.9103 for     56 degrees of freedom 
# Null hypothesis probability =   6.650448e-01
 
Photon flux (15-150 keV)    in 78.98 sec: 0.431766 ( -0.022827  0.022859 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.6322e-06 ( -2.46157e-07  3.28486e-07 ) ergs/cm2
 
Band function
Time interval is from  -37.940 sec. to   41.040 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.630069   ( -0.289302   0.43402 )
beta        : -10.00000    ( 1.04723e+09   1.04723e+09 )
Epeak [keV] : 66.0741      ( -7.20581 11.8942 )
Norm@50keV   : 1.14323E-02    ( -0.00389676   0.00663559 )
------------------------------------------------------------
# Chi-Squared =          50.97 using 59 PHA bins.
# Reduced chi-squared =         0.9268 for     55 degrees of freedom 
# Null hypothesis probability =   6.291321e-01
 
Photon flux (15-150 keV)    in 78.98 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]    : 13.7599  (-0.726589  0.771606)
R^2/D10^2   : 6.88472E-02  (-0.0125093   0.0151698)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =         106.01 using 59 PHA bins.
# Reduced chi-squared =         1.8599 for     57 degrees of freedom 
# Null hypothesis probability =   8.746810e-05
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.178e-07   1.832e-08
25- 50  7.960e-07   4.656e-08
50-150  9.835e-07   9.596e-08
15-150  1.997e-06   1.023e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 146.139       (17.4621      82.6259)
Norm        : 1.89219       (-0.103187     0.111872)
------------------------------------------------------------
# Chi-Squared =          60.09 using 59 PHA bins.
# Reduced chi-squared =          1.054 for     57 degrees of freedom 
# Null hypothesis probability =   3.646205e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.847e-07   2.922e-08
25- 50  7.103e-07   3.451e-08
50-150  1.387e-06   1.663e-07
15-150  2.482e-06   1.619e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.81733        (-1.35396      1.42237)
R1^2/D10^2  : 0.311562        (-0.117948      0.239551)
kT2 [keV]   : 22.6491        (-3.54315      5.85928)
R2^2/D10^2  : 7.86203E-03    (-0.00479713   0.00836968)
------------------------------------------------------------
# Chi-Squared =          47.94 using 59 PHA bins.
# Reduced chi-squared =         0.8717 for     55 degrees of freedom 
# Null hypothesis probability =   7.387547e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.253e-07   6.840e-08
25- 50  7.618e-07   1.228e-07
50-150  1.308e-06   3.949e-07
15-150  2.395e-06   5.454e-07

Peak spectrum fit

Power-law model
Time interval is from   -3.928 sec. to   -2.928 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.51595     ( -0.199241   0.201926 )
Norm@50keV  : 1.24544E-02    ( -0.00156873   0.00155972 )
------------------------------------------------------------
# Chi-Squared =          57.44 using 59 PHA bins.
# Reduced chi-squared =          1.008 for     57 degrees of freedom 
# Null hypothesis probability =   4.588870e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.56155 ( -0.19467  0.194939 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.17847e-07 ( -1.59747e-08  1.61131e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -3.928 sec. to   -2.928 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.871404     ( -0.924213   0.725665 )
Epeak [keV] : 87.1625      ( -27.3231 -87.1625 )
Norm@50keV  : 2.66656E-02    ( -0.0149616   0.050915 )
------------------------------------------------------------
# Chi-Squared =          55.40 using 59 PHA bins.
# Reduced chi-squared =         0.9894 for     56 degrees of freedom 
# Null hypothesis probability =   4.973601e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.53230 ( -0.19834  0.19828 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.39797e-07 ( -3.5698e-08  8.976e-08 ) ergs/cm2
 
Band function
Time interval is from   -3.928 sec. to   -2.928 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.871349   ( 1.05063   0.499319 )
beta        : -10.00000    ( 8.54698e+10   8.54698e+10 )
Epeak [keV] : 87.1455      ( -27.8464 -87.1455 )
Norm@50keV   : 2.66658E-02    ( -0.0152104   0.050949 )
------------------------------------------------------------
# Chi-Squared =          55.40 using 59 PHA bins.
# Reduced chi-squared =          1.007 for     55 degrees of freedom 
# Null hypothesis probability =   4.593632e-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]    : 14.6892  (-2.14505  2.57408)
R^2/D10^2   : 0.195379  (-0.0852664   0.146746)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          68.28 using 59 PHA bins.
# Reduced chi-squared =          1.198 for     57 degrees of freedom 
# Null hypothesis probability =   1.455683e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.855e-09   2.100e-09
25- 50  3.450e-08   5.805e-09
50-150  5.019e-08   1.210e-08
15-150  9.354e-08   1.456e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (-81.6739      -199.978)
Norm        : 6.43476       (-0.782478     0.783549)
------------------------------------------------------------
# Chi-Squared =          56.06 using 59 PHA bins.
# Reduced chi-squared =         0.9835 for     57 degrees of freedom 
# Null hypothesis probability =   5.102766e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.602e-08   8.465e-09
25- 50  3.082e-08   1.653e-08
50-150  6.760e-08   3.656e-08
15-150  1.144e-07   6.185e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.37309        (-2.60652      3.24115)
R1^2/D10^2  : 1.32110        (-0.879354      4.49461)
kT2 [keV]   : 25.0432        (-6.97708      21.4221)
R2^2/D10^2  : 2.23665E-02    (-0.0197602   0.0577741)
------------------------------------------------------------
# Chi-Squared =          54.51 using 59 PHA bins.
# Reduced chi-squared =         0.9912 for     55 degrees of freedom 
# Null hypothesis probability =   4.931440e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.457e-08   8.208e-09
25- 50  3.217e-08   1.679e-08
50-150  6.793e-08   3.920e-08
15-150  1.147e-07   6.010e-08
Plot creation:
Fri Sep 28 10:56:48 EDT 2012