batgrbproduct Analysis for Trigger=509337

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Dec  9 11:55:35 EST 2011
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger509337/batgroup_hand_proc
======================================================================

  Trigger: 00509337      Segment: 000

  BAT Trigger Time: 345107960   [s; MET]
      Trigger Stop: 345108024   [s; MET]
               UTC: 2011-12-09T07:19:12.342960    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 14.362573622164   Dec: -46.8016976759424  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    22.54
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    22.54

  Flight Position:   [ source = BAT ]
    RA: 14.362573622164   Dec: -46.8016976759424  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 14.3503612108716   Dec: -46.7991862122351  [deg; J2000]  
        { 00h 57m 24.1s , -46d 47' 57.1" }
         +/- 0.478833060773827 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.113920308027337 [arcmin] (formal 1-sigma fit error)
    SNR: 87.0959973216231
 
  Angular difference between Flight and Ground position is 0.523740 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 828.603999972343 +/- 29.551808977086
        Measured from: -4.27599990367889
                   to: 824.328000068665     [s; relative to TRIGTIME]
     T50: 252.391999959946 +/- 13.6163426582326
        Measured from: 154.784000098705
                   to: 407.176000058651     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 194.620000004768     
                   to: 195.620000004768     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -65.7480000257492     
                   to: 913.523999989033     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total    17.026746  21.674175  17.210275   4.070717
           0.176820   0.184868   0.166007   0.143889 [error]
 Peak      0.041312   0.039682   0.026276   0.010907
           0.005618   0.006031   0.005527   0.004743 [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 4.76e-06 8.85e-06 1.27e-05 3.85e-05 3.61e-05 6.48e-05   erg/cm2
              Error 1.64e-07 1.74e-07 2.09e-07 1.55e-06 5.35e-07 1.59e-06   erg/cm2
Peak flux Power-law 3.24e-01 2.72e-01 1.55e-01 1.31e-01 8.08e-01 8.81e-01   ph/cm2/s
              Error 7.30e-02 4.50e-02 4.22e-02 6.73e-02 1.34e-01 1.54e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.76e-06 8.86e-06 1.27e-05 3.80e-05 3.61e-05 6.21e-05   erg/cm2
              Error 2.16e-07 1.77e-07 2.43e-07 3.65e-06 5.85e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 3.19e-01 2.89e-01 1.49e-01 5.93e-02 7.95e-01 8.16e-01   ph/cm2/s
              Error 7.47e-02 6.11e-02 5.84e-02 9.57e-02 1.36e-01 1.75e-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    1.481    0.030    -      -           3.88e-03 5.87e-05   24.980 57
CPL   1.432    0.083     655.0 -139.8      4.07e-03 2.52e-04   25.190 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.812    0.296    -      -           5.84e-03 1.22e-03   70.800 57
CPL   1.352    0.000      53.2    0.0      1.13e-02 0.00e+00   70.250 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: 428.800000 sec.
T50 in the 50-300 keV band: 212.544000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  979.272  -65.748  913.524
T90   828.604   -4.276  824.328
T50   252.392  154.784  407.176
Peak    1.000  194.620  195.620

Image

Pre-slew 15.0-350.0 keV image (Event data)

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
   14.3504   -46.7992   0.0022     0.0365  -107.3856        57.8759597     87.096 TRIG_00509337                 
 
Foreground time interval of the image:
-16.399 164.560 (delta_t = 180.959 [sec])
166.000 913.524 (delta_t = 747.524 [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
-65.748000 164.560000
166.000000 913.524000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.48104     ( -0.029546   0.0294959 )
Norm@50keV  : 3.88349E-03    ( -5.8753e-05   5.86779e-05 )
------------------------------------------------------------
# Chi-Squared =          24.98 using 59 PHA bins.
# Reduced chi-squared =         0.4383 for     57 degrees of freedom 
# Null hypothesis probability =   9.999297e-01
 
Photon flux (15-150 keV)    in 977.8 sec: 0.482382 ( -0.00889315  0.0089335 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.61372e-05 ( -5.34564e-07  5.34663e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-65.748000 164.560000
166.000000 913.524000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.43202     ( -0.119055   0.0461774 )
Epeak [keV] : 654.994      ( -709.69 -989.255 )
Norm@50keV  : 4.06866E-03    ( -6.46205e-05   0.000440122 )
------------------------------------------------------------
# Chi-Squared =          25.19 using 59 PHA bins.
# Reduced chi-squared =         0.4499 for     56 degrees of freedom 
# Null hypothesis probability =   9.998764e-01
 
Photon flux (15-150 keV)    in 977.8 sec: 0.479318 0.481856 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.61399e-05 ( -6.34397e-07  5.35541e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-65.748000 164.560000
166.000000 913.524000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.47723   ( 1.12991   5.88949 )
beta        : -1.50223    ( 6.311   16.3082 )
Epeak [keV] : 9998.76      ( -9649.17 -9649.17 )
Norm@50keV   : 3.89439E-03    ( -2.97976e-05   5.83766e-05 )
------------------------------------------------------------
# Chi-Squared =          24.95 using 59 PHA bins.
# Reduced chi-squared =         0.4537 for     55 degrees of freedom 
# Null hypothesis probability =   9.998388e-01
 
Photon flux (15-150 keV)    in 977.8 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]    : 19.1208  (  )
R^2/D10^2   : 2.23570E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =         940.95 using 59 PHA bins.
# Reduced chi-squared =         16.508 for     57 degrees of freedom 
# Null hypothesis probability =  2.743317e-160
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.567e-06   4.987e-08
25- 50  7.572e-06   1.731e-07
50-150  2.037e-05   4.742e-07
15-150  2.951e-05   4.742e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.978       (      )
Norm        : 2.00636       (-0.0296012     0.0296012)
------------------------------------------------------------
# Chi-Squared =          99.83 using 59 PHA bins.
# Reduced chi-squared =          1.751 for     57 degrees of freedom 
# Null hypothesis probability =   3.911602e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.887e-06   2.465e-06
25- 50  9.400e-06   4.741e-06
50-150  2.062e-05   1.039e-05
15-150  3.490e-05   1.761e-05
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.62871        (-0.483754      0.513084)
R1^2/D10^2  : 0.351169        (-0.0726613      0.0962622)
kT2 [keV]   : 29.7874        (-1.56101      1.84604)
R2^2/D10^2  : 4.04069E-03    (-0.000775781   0.000865735)
------------------------------------------------------------
# Chi-Squared =          55.13 using 59 PHA bins.
# Reduced chi-squared =          1.002 for     55 degrees of freedom 
# Null hypothesis probability =   4.698759e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.031e-06   2.503e-07
25- 50  8.987e-06   2.523e-07
50-150  2.255e-05   6.258e-07
15-150  3.557e-05   7.089e-07

Peak spectrum fit

Power-law model
Time interval is from  194.620 sec. to  195.620 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.81249     ( -0.286439   0.305381 )
Norm@50keV  : 5.83516E-03    ( -0.00123451   0.00120095 )
------------------------------------------------------------
# Chi-Squared =          70.80 using 59 PHA bins.
# Reduced chi-squared =          1.242 for     57 degrees of freedom 
# Null hypothesis probability =   1.034280e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.807998 ( -0.133565  0.133604 ) ph/cm2/s
Energy fluence (15-150 keV)             : 5.36969e-08 ( -1.11963e-08  1.17333e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  194.620 sec. to  195.620 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.35185     (     )
Epeak [keV] : 53.2427      (   )
Norm@50keV  : 1.13130E-02    (     )
------------------------------------------------------------
# Chi-Squared =          70.25 using 59 PHA bins.
# Reduced chi-squared =          1.254 for     56 degrees of freedom 
# Null hypothesis probability =   9.532477e-02
 
Photon flux (15-150 keV)    in 1 sec: 0.794928 ( -0.13668  0.135999 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.98423e-08 ( -1.43873e-08  1.43273e-08 ) ergs/cm2
 
Band function
Time interval is from  194.620 sec. to  195.620 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.36046   ( 1.36161   0.847921 )
beta        : -9.37166    ( 9.99997   20 )
Epeak [keV] : 55.5484      ( -26.8669 -55.5008 )
Norm@50keV   : 1.10124E-02    ( -0.00613062   0.0150459 )
------------------------------------------------------------
# Chi-Squared =          70.26 using 59 PHA bins.
# Reduced chi-squared =          1.277 for     55 degrees of freedom 
# Null hypothesis probability =   8.063667e-02
 
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]    : 8.02336  (-1.27953  1.7262)
R^2/D10^2   : 0.882908  (-0.468632   0.851843)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          74.40 using 59 PHA bins.
# Reduced chi-squared =          1.305 for     57 degrees of freedom 
# Null hypothesis probability =   6.065991e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.030e-08   3.090e-09
25- 50  1.812e-08   5.175e-09
50-150  4.803e-09   2.670e-09
15-150  3.322e-08   8.020e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 81.5250       (-36.1818      106.328)
Norm        : 3.79586       (-0.800714     1.1233)
------------------------------------------------------------
# Chi-Squared =          70.18 using 59 PHA bins.
# Reduced chi-squared =          1.231 for     57 degrees of freedom 
# Null hypothesis probability =   1.127588e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.861e-09   2.234e-09
25- 50  1.631e-08   4.447e-09
50-150  2.331e-08   1.622e-08
15-150  4.948e-08   2.024e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 6.50677        (-1.21622      1.42909)
R1^2/D10^2  : 1.65614        (-0.875718      1.19158)
kT2 [keV]   : 31.5702        (-13.0022      81.7366)
R2^2/D10^2  : 4.07727E-03    (-0.00392033   0.0124272)
------------------------------------------------------------
# Chi-Squared =          63.24 using 59 PHA bins.
# Reduced chi-squared =          1.150 for     55 degrees of freedom 
# Null hypothesis probability =   2.082157e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.099e-08   5.319e-09
25- 50  1.616e-08   8.449e-09
50-150  2.826e-08   1.691e-08
15-150  5.540e-08   2.737e-08
Plot creation:
Fri Dec  9 12:25:21 EST 2011