batgrbproduct Analysis for Trigger=535960

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Oct 15 13:00:36 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger535960/GCN5_download_cron
======================================================================

  Trigger: 00535960      Segment: 000

  BAT Trigger Time: 371938326.208   [s; MET]
      Trigger Stop: 371938326.72   [s; MET]
               UTC: 2012-10-14T20:11:56.448420    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 166.630696384298   Dec: -29.1090441328934  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.69
     Image Trigger?:     NO
     Rate S/N Ratio:     22.956480566498  [ if not an image trigger ]
     Image S/N Ratio:    11.69

  Flight Position:   [ source = BAT ]
    RA: 166.630696384298   Dec: -29.1090441328934  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 166.644641923057   Dec: -29.1050848042283  [deg; J2000]  
        { 11h 06m 34.7s , -29d 06' 18.3" }
         +/- 1.97145833417032 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.945437465611604 [arcmin] (formal 1-sigma fit error)
    SNR: 11.534352852864
 
  Angular difference between Flight and Ground position is 0.768692 arcmin
 
  Partial Coding Fraction: 0.7265625    [ including projection effects ]

  Duration
     T90: 80 +/- 22.6274169979695
        Measured from: -12.2079998850822
                   to: 67.7920001149178     [s; relative to TRIGTIME]
     T50: 48 +/- 16
        Measured from: 3.79200011491776
                   to: 51.7920001149178     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 59.2919999957085     
                   to: 60.2919999957085     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -12.2080000042915     
                   to: 67.7919999957085     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.632599   0.716463   0.409263   0.033254
           0.056608   0.057854   0.049922   0.041732 [error]
 Peak      0.014025   0.016667   0.006511   0.006567
           0.006368   0.006538   0.005616   0.004681 [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 2.17e-07 3.11e-07 3.30e-07 6.49e-07 1.06e-06 1.51e-06   erg/cm2
              Error 2.98e-08 2.81e-08 4.95e-08 1.97e-07 1.13e-07 2.46e-07   erg/cm2
Peak flux Power-law 1.42e-01 1.15e-01 6.23e-02 4.96e-02 3.42e-01 3.69e-01   ph/cm2/s
              Error 9.98e-02 5.37e-02 4.76e-02 8.97e-02 1.60e-01 1.77e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.15e-07 3.15e-07 3.30e-07 5.20e-07 1.38e-06 0.00e+00   erg/cm2
              Error 3.26e-08 3.48e-08 5.05e-08 4.27e-07 3.80e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 1.43e-01 1.15e-01 6.22e-02 4.90e-02 3.41e-01 3.68e-01   ph/cm2/s
              Error 9.95e-02 5.37e-02 5.60e-02 8.90e-02 1.60e-01 1.32e-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    1.913    0.173    -      -           1.44e-03 1.56e-04   47.710 57
CPL   1.795    0.562      76.2    0.0      1.68e-03 0.00e+00   47.610 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.879    1.094    -      -           2.40e-03 1.87e-03   51.600 57
CPL   1.882    5.591     769.3    0.0      2.41e-03 0.00e+00   51.600 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: 55.104000 sec.
T50 in the 50-300 keV band: 31.296000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   80.000  -12.208   67.792
T90    80.000  -12.208   67.792
T50    48.000    3.792   51.792
Peak    1.000   59.292   60.292

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  166.6446 -29.1051 0.0168   32.7  -25.6       2.0031    11.5  TRIG_00535960       
------------------------------------------
 
Foreground time interval of the image:
-12.208  67.792 (delta_t =  80.000 [sec])
Background time interval of the image:
-60.208 -12.208 (delta_t =  48.000 [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  -12.208 sec. to   67.792 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.91327     ( -0.16925   0.176039 )
Norm@50keV  : 1.44110E-03    ( -0.000157898   0.000154623 )
------------------------------------------------------------
# Chi-Squared =          47.71 using 59 PHA bins.
# Reduced chi-squared =         0.8370 for     57 degrees of freedom 
# Null hypothesis probability =   8.048838e-01
 
Photon flux (15-150 keV)    in 80 sec: 0.207987 ( -0.0190296  0.0190485 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.06008e-06 ( -1.12554e-07  1.14175e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -12.208 sec. to   67.792 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.79465     ( -0.635849   0.487342 )
Epeak [keV] : 76.2144      (   )
Norm@50keV  : 1.67901E-03    (     )
------------------------------------------------------------
# Chi-Squared =          47.61 using 59 PHA bins.
# Reduced chi-squared =         0.8502 for     56 degrees of freedom 
# Null hypothesis probability =   7.800098e-01
 
Photon flux (15-150 keV)    in 80 sec: 0.206901 ( -0.019888  0.019699 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.38e-06 ( -3.84992e-07  3.746e-07 ) ergs/cm2
 
Band function
Time interval is from  -12.208 sec. to   67.792 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.28151   ( 1.26642   1.26642 )
beta        : -2.01654    ( 2.01719   0.25249 )
Epeak [keV] : 37.6060      ( -37.1319 -37.1319 )
Norm@50keV   : 3.69270E-03    ( -0.00392296   145.468 )
------------------------------------------------------------
# Chi-Squared =          47.22 using 59 PHA bins.
# Reduced chi-squared =         0.8586 for     55 degrees of freedom 
# Null hypothesis probability =   7.628126e-01
 
Photon flux (15-150 keV)    in 80 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]    : 10.3776  (-1.16748  1.34411)
R^2/D10^2   : 8.26414E-02  (-0.0306055   0.0478252)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          78.18 using 59 PHA bins.
# Reduced chi-squared =          1.372 for     57 degrees of freedom 
# Null hypothesis probability =   3.277507e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.467e-07   2.460e-08
25- 50  3.840e-07   4.284e-08
50-150  2.229e-07   5.356e-08
15-150  7.536e-07   8.552e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 80.9571       (-21.9421      37.1855)
Norm        : 0.965933       (-0.131504     0.160934)
------------------------------------------------------------
# Chi-Squared =          48.91 using 59 PHA bins.
# Reduced chi-squared =         0.8581 for     57 degrees of freedom 
# Null hypothesis probability =   7.684324e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.007e-07   2.384e-08
25- 50  3.313e-07   3.220e-08
50-150  4.714e-07   1.746e-07
15-150  1.003e-06   1.836e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.49169        (-1.59941      1.64577)
R1^2/D10^2  : 0.371729        (-0.198241      0.440006)
kT2 [keV]   : 24.7099        (-7.72967      21.5921)
R2^2/D10^2  : 2.22573E-03    (-0.00190126   0.0073018)
------------------------------------------------------------
# Chi-Squared =          48.62 using 59 PHA bins.
# Reduced chi-squared =         0.8839 for     55 degrees of freedom 
# Null hypothesis probability =   7.155775e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.039e-07   7.300e-08
25- 50  3.250e-07   1.129e-07
50-150  5.132e-07   2.721e-07
15-150  1.042e-06   3.788e-07

Peak spectrum fit

Power-law model
Time interval is from   59.292 sec. to   60.292 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.87854     ( -0.985053   1.20246 )
Norm@50keV  : 2.40125E-03    ( -0.00240122   0.00134509 )
------------------------------------------------------------
# Chi-Squared =          51.60 using 59 PHA bins.
# Reduced chi-squared =         0.9053 for     57 degrees of freedom 
# Null hypothesis probability =   6.770304e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.341507 ( -0.160184  0.160229 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.20739e-08 ( -1.22754e-08  1.34115e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   59.292 sec. to   60.292 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.88190     ( -3.91293   7.26901 )
Epeak [keV] : 769.318      (   )
Norm@50keV  : 2.41070E-03    (     )
------------------------------------------------------------
# Chi-Squared =          51.60 using 59 PHA bins.
# Reduced chi-squared =         0.9215 for     56 degrees of freedom 
# Null hypothesis probability =   6.418452e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.341405 ( -0.160176  0.160155 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.16675e-08 ( -2.26802e-08  4.60832e-08 ) ergs/cm2
 
Band function
Time interval is from   59.292 sec. to   60.292 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.41573   ( 1.41568   1.41568 )
beta        : -1.87850    ( 1.87851   0.983216 )
Epeak [keV] : 8.05143      ( -8.05618 -8.05618 )
Norm@50keV   : 9.89234E-03    ( -0.00989107   20558 )
------------------------------------------------------------
# Chi-Squared =          51.60 using 59 PHA bins.
# Reduced chi-squared =         0.9382 for     55 degrees of freedom 
# Null hypothesis probability =   6.052247e-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]    : 8.28542  (-4.02756  10.2225)
R^2/D10^2   : 0.316313  (-0.314756   4.37312)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          53.36 using 59 PHA bins.
# Reduced chi-squared =         0.9361 for     57 degrees of freedom 
# Null hypothesis probability =   6.125196e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.025e-09   2.792e-09
25- 50  7.480e-09   5.050e-09
50-150  2.201e-09   1.999e-09
15-150  1.371e-08   9.810e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 88.5910       (-88.7134      -88.7134)
Norm        : 1.53418       (-0.819418     3.4187)
------------------------------------------------------------
# Chi-Squared =          52.02 using 59 PHA bins.
# Reduced chi-squared =         0.9127 for     57 degrees of freedom 
# Null hypothesis probability =   6.619063e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.001e-09   2.592e-09
25- 50  6.744e-09   4.315e-09
50-150  1.017e-08   9.020e-09
15-150  2.091e-08   1.564e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.98251        (-2.05863      5.1397)
R1^2/D10^2  : 0.570179        (-0.522353      12.8034)
kT2 [keV]   : 199.363        (-199.996      -199.996)
R2^2/D10^2  : 4.88577E-05    (-2.53817e-05   0.22966)
------------------------------------------------------------
# Chi-Squared =          50.56 using 59 PHA bins.
# Reduced chi-squared =         0.9193 for     55 degrees of freedom 
# Null hypothesis probability =   6.447872e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.517e-09   2.797e-09
25- 50  6.602e-09   4.341e-09
50-150  1.393e-08   1.446e-09
15-150  2.505e-08   8.815e-09
Plot creation:
Mon Oct 15 13:07:40 EDT 2012