batgrbproduct Analysis for Trigger=534015

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Sep 19 06:00:51 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger534015/GCN5_download_cron
======================================================================

  Trigger: 00534015      Segment: 000

  BAT Trigger Time: 369659780.288   [s; MET]
      Trigger Stop: 369659781.312   [s; MET]
               UTC: 2012-09-18T11:16:10.624900    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 181.053946302635   Dec: -32.7576526591057  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    12.04
     Image Trigger?:     NO
     Rate S/N Ratio:     21.51743479135  [ if not an image trigger ]
     Image S/N Ratio:    12.04

  Flight Position:   [ source = BAT ]
    RA: 181.053946302635   Dec: -32.7576526591057  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 181.042227323676   Dec: -32.7620843216046  [deg; J2000]  
        { 12h 04m 10.1s , -32d 45' 43.5" }
         +/- 1.13534265124236 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.462374398019885 [arcmin] (formal 1-sigma fit error)
    SNR: 25.3726360351501
 
  Angular difference between Flight and Ground position is 0.648337 arcmin
 
  Partial Coding Fraction: 0.15625    [ including projection effects ]

  Duration
     T90: 25.0839999318123 +/- 2.5301067171395
        Measured from: -1.85199987888336
                   to: 23.2320000529289     [s; relative to TRIGTIME]
     T50: 8.65199995040894 +/- 0.716937944464138
        Measured from: 0.728000104427338
                   to: 9.38000005483627     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.283999979496002     
                   to: 0.716000020503998     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -2.86000001430511     
                   to: 23.9000000357628     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.287188   1.870768   1.407861   0.251827
           0.083493   0.086827   0.075842   0.061616 [error]
 Peak      0.112668   0.213224   0.169597   0.056058
           0.018264   0.019713   0.018448   0.013329 [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 4.64e-07 8.02e-07 1.06e-06 2.85e-06 3.09e-06 5.17e-06   erg/cm2
              Error 4.23e-08 4.49e-08 7.27e-08 4.15e-07 1.77e-07 4.71e-07   erg/cm2
Peak flux Power-law 1.36e+00 1.47e+00 1.13e+00 1.43e+00 4.50e+00 5.39e+00   ph/cm2/s
              Error 2.52e-01 1.72e-01 1.40e-01 3.55e-01 4.88e-01 5.76e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.16e-07 8.48e-07 1.10e-06 1.32e-06 3.68e-06 0.00e+00   erg/cm2
              Error 5.09e-08 5.42e-08 8.17e-08 6.16e-07 6.34e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 1.15e+00 1.57e+00 1.24e+00 7.12e-01 4.38e+00 4.66e+00   ph/cm2/s
              Error 3.09e-01 2.03e-01 1.75e-01 5.01e-01 7.01e-01 0.00e+00   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 4.70e+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    1.600    0.091    -      -           1.24e-02 6.65e-04   63.470 57
CPL   1.004    0.389      85.5   36.3      2.44e-02 1.11e-02   55.600 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.377    0.171    -      -           3.71e-02 3.91e-03   53.490 57
CPL   0.593    0.800      96.4  210.6      8.80e-02 9.15e-02   50.090 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: 27.072000 sec.
T50 in the 50-300 keV band: 8.832000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   26.760   -2.860   23.900
T90    25.084   -1.852   23.232
T50     8.652    0.728    9.380
Peak    1.000   -0.284    0.716

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  181.0422 -32.7621 0.0076   37.6  -91.2       5.0090    25.4  TRIG_00534015       
------------------------------------------
 
Foreground time interval of the image:
 -2.860  23.900 (delta_t =  26.760 [sec])
Background time interval of the image:
-239.288 -233.718 (delta_t =   5.570 [sec])
-232.288 -231.598 (delta_t =   0.690 [sec])
-228.288  -2.860 (delta_t = 225.428 [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   -2.860 sec. to   23.900 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.59955     ( -0.0908187   0.0914157 )
Norm@50keV  : 1.23660E-02    ( -0.000666138   0.000664782 )
------------------------------------------------------------
# Chi-Squared =          63.47 using 59 PHA bins.
# Reduced chi-squared =          1.114 for     57 degrees of freedom 
# Null hypothesis probability =   2.589163e-01
 
Photon flux (15-150 keV)    in 26.76 sec: 1.58887 ( -0.0879006  0.088073 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.09493e-06 ( -1.76473e-07  1.77066e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -2.860 sec. to   23.900 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.00443     ( -0.406532   0.371508 )
Epeak [keV] : 85.4895      ( -16.6042 55.9545 )
Norm@50keV  : 2.43623E-02    ( -0.00823362   0.0138867 )
------------------------------------------------------------
# Chi-Squared =          55.60 using 59 PHA bins.
# Reduced chi-squared =         0.9929 for     56 degrees of freedom 
# Null hypothesis probability =   4.898320e-01
 
Photon flux (15-150 keV)    in 26.76 sec: 1.54281 ( -0.09215  0.09226 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.68496e-06 ( -4.95675e-07  7.71678e-07 ) ergs/cm2
 
Band function
Time interval is from   -2.860 sec. to   23.900 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.00446   ( -0.335189   0.455491 )
beta        : -10.00000    ( 3.45473e+10   3.45473e+10 )
Epeak [keV] : 85.4788      ( -16.6075 55.9408 )
Norm@50keV   : 2.43594E-02    ( -0.00823303   0.0138944 )
------------------------------------------------------------
# Chi-Squared =          55.60 using 59 PHA bins.
# Reduced chi-squared =          1.011 for     55 degrees of freedom 
# Null hypothesis probability =   4.518994e-01
 
Photon flux (15-150 keV)    in 26.76 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]    : 14.8004  (  )
R^2/D10^2   : 0.185368  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =         119.98 using 59 PHA bins.
# Reduced chi-squared =         2.1050 for     57 degrees of freedom 
# Null hypothesis probability =   2.192852e-06
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.280e-07   2.319e-08
25- 50  8.946e-07   5.967e-08
50-150  1.326e-06   1.350e-07
15-150  2.448e-06   1.523e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 176.453       (      )
Norm        : 6.50641       (-0.380363     0.417942)
------------------------------------------------------------
# Chi-Squared =          56.93 using 59 PHA bins.
# Reduced chi-squared =         0.9988 for     57 degrees of freedom 
# Null hypothesis probability =   4.776542e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.290e-07   2.221e-07
25- 50  8.246e-07   4.255e-07
50-150  1.805e-06   9.361e-07
15-150  3.058e-06   1.575e-06
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.13933        (-1.41825      1.55119)
R1^2/D10^2  : 1.46659        (-0.676337      1.6614)
kT2 [keV]   : 23.7272        (-3.58771      5.70944)
R2^2/D10^2  : 2.62433E-02    (-0.0149202   0.0245266)
------------------------------------------------------------
# Chi-Squared =          56.22 using 59 PHA bins.
# Reduced chi-squared =          1.022 for     55 degrees of freedom 
# Null hypothesis probability =   4.290344e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.984e-07   9.626e-08
25- 50  8.558e-07   1.512e-07
50-150  1.718e-06   3.669e-07
15-150  2.972e-06   5.687e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.284 sec. to    0.716 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.37679     ( -0.170527   0.171196 )
Norm@50keV  : 3.71174E-02    ( -0.00391165   0.00390581 )
------------------------------------------------------------
# Chi-Squared =          53.49 using 59 PHA bins.
# Reduced chi-squared =         0.9385 for     57 degrees of freedom 
# Null hypothesis probability =   6.074300e-01
 
Photon flux (15-150 keV)    in 1 sec: 4.49697 ( -0.487133  0.488068 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.60396e-07 ( -4.10837e-08  4.12852e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.284 sec. to    0.716 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.593044     ( -0.872722   0.726706 )
Epeak [keV] : 96.4244      ( -26.538 394.712 )
Norm@50keV  : 8.80306E-02    ( -0.0477754   0.135148 )
------------------------------------------------------------
# Chi-Squared =          50.09 using 59 PHA bins.
# Reduced chi-squared =         0.8944 for     56 degrees of freedom 
# Null hypothesis probability =   6.971242e-01
 
Photon flux (15-150 keV)    in 1 sec: 4.38108 ( -0.50081  0.50069 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   -0.284 sec. to    0.716 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.621594   ( -0.43226   0.586037 )
beta        : -9.35070    ( 9.9876   19.9876 )
Epeak [keV] : 98.7791      ( -43.3555 201.292 )
Norm@50keV   : 8.48714E-02    ( -0.0347566   0.0546354 )
------------------------------------------------------------
# Chi-Squared =          50.09 using 59 PHA bins.
# Reduced chi-squared =         0.9108 for     55 degrees of freedom 
# Null hypothesis probability =   6.621815e-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]    : 16.9260  (-1.99023  2.30076)
R^2/D10^2   : 0.360600  (-0.128907   0.194176)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          61.76 using 59 PHA bins.
# Reduced chi-squared =          1.084 for     57 degrees of freedom 
# Null hypothesis probability =   3.098068e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.107e-08   4.165e-09
25- 50  9.288e-08   1.472e-08
50-150  1.897e-07   3.500e-08
15-150  3.037e-07   4.280e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.997       (      )
Norm        : 18.7726       (-18.7726     -18.7726)
------------------------------------------------------------
# Chi-Squared =          54.75 using 59 PHA bins.
# Reduced chi-squared =         0.9606 for     57 degrees of freedom 
# Null hypothesis probability =   5.598783e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.675e-08   2.510e-08
25- 50  8.993e-08   4.793e-08
50-150  1.972e-07   1.054e-07
15-150  3.339e-07   1.788e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.58447        (-6.30079      4.15077)
R1^2/D10^2  : 1.44292        (-0.858275      58.97)
kT2 [keV]   : 28.8855        (-9.72671      69.5848)
R2^2/D10^2  : 4.00417E-02    (-0.0379487   0.140252)
------------------------------------------------------------
# Chi-Squared =          50.65 using 59 PHA bins.
# Reduced chi-squared =         0.9209 for     55 degrees of freedom 
# Null hypothesis probability =   6.413943e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.192e-08   1.796e-08
25- 50  9.460e-08   4.825e-08
50-150  2.227e-07   1.190e-07
15-150  3.492e-07   1.799e-07
Plot creation:
Wed Sep 19 06:12:42 EDT 2012