batgrbproduct Analysis for Trigger=529686

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Aug  4 13:02:35 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger529686/GCN5_download_cron
======================================================================

  Trigger: 00529686      Segment: 000

  BAT Trigger Time: 365734463.936   [s; MET]
      Trigger Stop: 365734464   [s; MET]
               UTC: 2012-08-04T00:54:14.437420    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 233.929598045314   Dec: -28.7609483594276  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.68
     Image Trigger?:     NO
     Rate S/N Ratio:     33.3466640010661  [ if not an image trigger ]
     Image S/N Ratio:    10.68

  Flight Position:   [ source = BAT ]
    RA: 233.929598045314   Dec: -28.7609483594276  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 233.9505012301   Dec: -28.7683774474401  [deg; J2000]  
        { 15h 35m 48.1s , -28d 46' 06.2" }
         +/- 1.01233187584666 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.353246654303951 [arcmin] (formal 1-sigma fit error)
    SNR: 29.8891951141452
 
  Angular difference between Flight and Ground position is 1.186352 arcmin
 
  Partial Coding Fraction: 0.2402344    [ including projection effects ]

  Duration
     T90: 0.807999968528748 +/- 0.0832345620352619
        Measured from: -0.0799998641014099
                   to: 0.728000104427338     [s; relative to TRIGTIME]
     T50: 0.351999938488007 +/- 0.0282842864203588
        Measured from: 0.0880001187324524
                   to: 0.440000057220459     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.163999974727631     
                   to: 0.836000025272369     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.163999974727631     
                   to: 0.832000017166138     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.263985   0.446574   0.419312   0.106396
           0.017574   0.020171   0.019069   0.012642 [error]
 Peak      0.265054   0.447202   0.419291   0.105833
           0.017590   0.020186   0.019089   0.012655 [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 9.84e-08 2.00e-07 3.16e-07 1.11e-06 8.77e-07 1.72e-06   erg/cm2
              Error 8.91e-09 1.10e-08 1.80e-08 1.38e-07 4.54e-08 1.49e-07   erg/cm2
Peak flux Power-law 3.17e+00 3.51e+00 2.77e+00 3.60e+00 1.08e+01 1.31e+01   ph/cm2/s
              Error 2.92e-01 1.99e-01 1.53e-01 4.14e-01 5.51e-01 6.38e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.07e-08 2.06e-07 3.29e-07 6.98e-07 1.32e-06 0.00e+00   erg/cm2
              Error 1.10e-08 1.25e-08 2.16e-08 2.84e-07 2.81e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 2.91e+00 3.60e+00 2.89e+00 2.54e+00 1.06e+01 1.19e+01   ph/cm2/s
              Error 3.63e-01 2.19e-01 1.91e-01 7.95e-01 5.68e-01 9.84e-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 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    1.339    0.082    -      -           9.00e-02 4.35e-03   59.680 57
CPL   0.972    0.334     156.0  305.4      1.33e-01 4.76e-02   55.850 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.343    0.082    -      -           8.97e-02 4.33e-03   59.060 57
CPL   0.978    0.334     156.1  320.6      1.32e-01 4.74e-02   55.300 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: 0.704000 sec.
T50 in the 50-300 keV band: 0.320000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    0.996   -0.164    0.832
T90     0.808   -0.080    0.728
T50     0.352    0.088    0.440
Peak    1.000   -0.164    0.836

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  233.9505 -28.7684 0.0064   42.4  -47.0       1.3263    29.9  TRIG_00529686       
------------------------------------------
 
Foreground time interval of the image:
 -0.164   0.832 (delta_t =   0.996 [sec])
Background time interval of the image:
-239.936 -57.071 (delta_t = 182.865 [sec])
-55.936  -0.164 (delta_t =  55.772 [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   -0.164 sec. to    0.832 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.33888     ( -0.0818764   0.0818095 )
Norm@50keV  : 8.99554E-02    ( -0.00434588   0.00434588 )
------------------------------------------------------------
# Chi-Squared =          59.68 using 59 PHA bins.
# Reduced chi-squared =          1.047 for     57 degrees of freedom 
# Null hypothesis probability =   3.785494e-01
 
Photon flux (15-150 keV)    in 0.996 sec: 10.8126 ( -0.552225  0.55317 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.77263e-07 ( -4.53142e-08  4.53863e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.164 sec. to    0.832 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.971597     ( -0.346528   0.322074 )
Epeak [keV] : 156.040      ( -50.1201 560.725 )
Norm@50keV  : 0.133099    ( -0.0378915   0.0573296 )
------------------------------------------------------------
# Chi-Squared =          55.85 using 59 PHA bins.
# Reduced chi-squared =         0.9974 for     56 degrees of freedom 
# Null hypothesis probability =   4.803309e-01
 
Photon flux (15-150 keV)    in 0.996 sec: 10.6523 ( -0.5684  0.5693 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.32379e-06 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   -0.164 sec. to    0.832 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.795785   ( -0.413568   3.6929 )
beta        : -1.55152    ( 1.55119   0.220606 )
Epeak [keV] : 108.764      ( -54.2801 416.927 )
Norm@50keV   : 0.168449    ( -0.0715067   0.605161 )
------------------------------------------------------------
# Chi-Squared =          55.70 using 59 PHA bins.
# Reduced chi-squared =          1.013 for     55 degrees of freedom 
# Null hypothesis probability =   4.483156e-01
 
Photon flux (15-150 keV)    in 0.996 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]    : 18.2174  (  )
R^2/D10^2   : 0.663537  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =         139.00 using 59 PHA bins.
# Reduced chi-squared =         2.4386 for     57 degrees of freedom 
# Null hypothesis probability =   8.408725e-09
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.374e-08   3.929e-09
25- 50  2.041e-07   1.504e-08
50-150  4.932e-07   3.994e-08
15-150  7.411e-07   4.452e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.993       (      )
Norm        : 45.4193       (-45.4193     -45.4193)
------------------------------------------------------------
# Chi-Squared =          78.30 using 59 PHA bins.
# Reduced chi-squared =          1.374 for     57 degrees of freedom 
# Null hypothesis probability =   3.213200e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.127e-07   5.822e-08
25- 50  2.167e-07   1.118e-07
50-150  4.753e-07   2.472e-07
15-150  8.047e-07   4.162e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.08649        (-1.55965      1.80217)
R1^2/D10^2  : 5.95690        (-2.66091      5.9475)
kT2 [keV]   : 29.7514        (-4.56564      8.15905)
R2^2/D10^2  : 0.100442    (-0.0571487   0.0850798)
------------------------------------------------------------
# Chi-Squared =          57.35 using 59 PHA bins.
# Reduced chi-squared =          1.043 for     55 degrees of freedom 
# Null hypothesis probability =   3.882198e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.464e-08   1.729e-08
25- 50  2.117e-07   3.187e-08
50-150  5.712e-07   1.171e-07
15-150  8.675e-07   1.254e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.164 sec. to    0.836 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.34263     ( -0.0819633   0.0818492 )
Norm@50keV  : 8.96888E-02    ( -0.00433419   0.00433419 )
------------------------------------------------------------
# Chi-Squared =          59.06 using 59 PHA bins.
# Reduced chi-squared =          1.036 for     57 degrees of freedom 
# Null hypothesis probability =   4.001286e-01
 
Photon flux (15-150 keV)    in 1 sec: 10.7887 ( -0.55104  0.551965 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.77429e-07 ( -4.53568e-08  4.54321e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.164 sec. to    0.836 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.978130     ( -0.346497   0.32206 )
Epeak [keV] : 156.088      ( -50.3753 590.767 )
Norm@50keV  : 0.132355    ( -0.0377081   0.0570813 )
------------------------------------------------------------
# Chi-Squared =          55.30 using 59 PHA bins.
# Reduced chi-squared =         0.9874 for     56 degrees of freedom 
# Null hypothesis probability =   5.014403e-01
 
Photon flux (15-150 keV)    in 1 sec: 10.6295 ( -0.5672  0.5681 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.32338e-06 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   -0.164 sec. to    0.836 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.801757   ( -0.510633   5.79158 )
beta        : -1.55304    ( 1.55289   0.22067 )
Epeak [keV] : 108.438      ( -54.1612 437.975 )
Norm@50keV   : 0.167678    ( -0.0711019   0.59246 )
------------------------------------------------------------
# Chi-Squared =          55.14 using 59 PHA bins.
# Reduced chi-squared =          1.003 for     55 degrees of freedom 
# Null hypothesis probability =   4.691897e-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]    : 18.1594  (  )
R^2/D10^2   : 0.668411  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =         138.84 using 59 PHA bins.
# Reduced chi-squared =         2.4359 for     57 degrees of freedom 
# Null hypothesis probability =   8.825810e-09
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.401e-08   4.760e-09
25- 50  2.049e-07   1.445e-08
50-150  4.915e-07   3.945e-08
15-150  7.403e-07   4.535e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.993       (      )
Norm        : 45.3002       (-45.3002     -45.3002)
------------------------------------------------------------
# Chi-Squared =          77.00 using 59 PHA bins.
# Reduced chi-squared =          1.351 for     57 degrees of freedom 
# Null hypothesis probability =   3.994665e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.128e-07   5.785e-08
25- 50  2.170e-07   1.119e-07
50-150  4.760e-07   2.451e-07
15-150  8.058e-07   4.154e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.07749        (-1.54584      1.78246)
R1^2/D10^2  : 5.98818        (-2.66842      5.92304)
kT2 [keV]   : 29.7424        (-4.55442      8.09737)
R2^2/D10^2  : 0.100005    (-0.0567735   0.0846197)
------------------------------------------------------------
# Chi-Squared =          56.74 using 59 PHA bins.
# Reduced chi-squared =          1.032 for     55 degrees of freedom 
# Null hypothesis probability =   4.100336e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.507e-08   1.583e-08
25- 50  2.122e-07   3.290e-08
50-150  5.705e-07   1.079e-07
15-150  8.677e-07   1.505e-07
Plot creation:
Sat Aug  4 13:26:07 EDT 2012