batgrbproduct Analysis for Trigger=529021

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Jul 29 10:02:45 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger529021/GCN5_download_cron
======================================================================

  Trigger: 00529021      Segment: 000

  BAT Trigger Time: 365207120.512   [s; MET]
      Trigger Stop: 365207132.672   [s; MET]
               UTC: 2012-07-28T22:25:11.035380    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 137.100024602055   Dec: -54.4372942698869  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    11.23
     Image Trigger?:     NO
     Rate S/N Ratio:     19.1049731745428  [ if not an image trigger ]
     Image S/N Ratio:    11.23

  Flight Position:   [ source = BAT ]
    RA: 137.100024602055   Dec: -54.4372942698869  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 137.08492288039   Dec: -54.4368681863641  [deg; J2000]  
        { 09h 08m 20.4s , -54d 26' 12.7" }
         +/- 1.39910886705949 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.507954482181344 [arcmin] (formal 1-sigma fit error)
    SNR: 18.8260445213707
 
  Angular difference between Flight and Ground position is 0.527606 arcmin
 
  Partial Coding Fraction: 0.1347656    [ including projection effects ]

  Duration
     T90: 22.0479999780655 +/- 2.59457896177031
        Measured from: 1.42000007629395
                   to: 23.4680000543594     [s; relative to TRIGTIME]
     T50: 9.54399991035461 +/- 2.21706921817036
        Measured from: 5.43600010871887
                   to: 14.9800000190735     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 12.3279999494553     
                   to: 13.3279999494553     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.560000002384186     
                   to: 26.4839999675751     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.160406   1.336054   1.011013   0.236549
           0.086431   0.090292   0.079711   0.072737 [error]
 Peak      0.072645   0.103380   0.054652   0.049555
           0.017247   0.019077   0.015784   0.014702 [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 4.40e-07 6.77e-07 7.84e-07 1.74e-06 2.42e-06 3.64e-06   erg/cm2
              Error 5.31e-08 5.04e-08 7.93e-08 3.71e-07 1.89e-07 4.37e-07   erg/cm2
Peak flux Power-law 1.01e+00 7.96e-01 4.20e-01 3.22e-01 2.38e+00 2.55e+00   ph/cm2/s
              Error 3.56e-01 1.74e-01 1.30e-01 2.01e-01 5.30e-01 5.43e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.17e-07 6.99e-07 8.00e-07 1.11e-06 3.03e-06 0.00e+00   erg/cm2
              Error 6.34e-08 6.09e-08 8.59e-08 7.18e-07 7.54e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 1.02e+00 7.98e-01 4.20e-01 3.19e-01 2.38e+00 2.52e+00   ph/cm2/s
              Error 3.56e-01 1.73e-01 1.30e-01 2.04e-01 5.30e-01 5.43e-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    1.789    0.130    -      -           1.01e-02 7.72e-04   53.240 57
CPL   1.474    0.491      83.2  -26.7      1.46e-02 8.31e-03   52.020 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.922    0.410    -      -           1.64e-02 3.91e-03   61.920 57
CPL   1.927    0.472    9999.3    0.0      1.64e-02 0.00e+00   61.930 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: 16.576000 sec.
T50 in the 50-300 keV band: 8.960000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   25.924    0.560   26.484
T90    22.048    1.420   23.468
T50     9.544    5.436   14.980
Peak    1.000   12.328   13.328

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  137.0849 -54.4369 0.0102   51.8  172.1       3.8126    18.8  TRIG_00529021       
------------------------------------------
 
Foreground time interval of the image:
  0.560  26.484 (delta_t =  25.924 [sec])
Background time interval of the image:
-239.512 -209.802 (delta_t =  29.710 [sec])
-208.512   0.560 (delta_t = 209.072 [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    0.560 sec. to   26.484 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.78937     ( -0.128689   0.131206 )
Norm@50keV  : 1.01174E-02    ( -0.000775159   0.000769457 )
------------------------------------------------------------
# Chi-Squared =          53.24 using 59 PHA bins.
# Reduced chi-squared =         0.9341 for     57 degrees of freedom 
# Null hypothesis probability =   6.168059e-01
 
Photon flux (15-150 keV)    in 25.92 sec: 1.38846 ( -0.105537  0.105845 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.4152e-06 ( -1.88322e-07  1.89186e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.560 sec. to   26.484 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.47429     ( -0.538067   0.444541 )
Epeak [keV] : 83.2241      ( -29.8051 -83.2241 )
Norm@50keV  : 1.46138E-02    ( -0.00429037   0.0123217 )
------------------------------------------------------------
# Chi-Squared =          52.02 using 59 PHA bins.
# Reduced chi-squared =         0.9289 for     56 degrees of freedom 
# Null hypothesis probability =   6.262217e-01
 
Photon flux (15-150 keV)    in 25.92 sec: 1.36593 ( -0.11094  0.11103 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.03064e-06 ( -5.7151e-07  9.37345e-07 ) ergs/cm2
 
Band function
Time interval is from    0.560 sec. to   26.484 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.44824   ( -0.390385   0.416522 )
beta        : -9.36482    ( 9.99463   19.9946 )
Epeak [keV] : 81.8977      ( -81.8917 -81.8917 )
Norm@50keV   : 1.49858E-02    ( -0.00502694   0.00882298 )
------------------------------------------------------------
# Chi-Squared =          52.03 using 59 PHA bins.
# Reduced chi-squared =         0.9460 for     55 degrees of freedom 
# Null hypothesis probability =   5.888368e-01
 
Photon flux (15-150 keV)    in 25.92 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]    : 13.5547  (-1.22403  1.33475)
R^2/D10^2   : 0.208910  (-0.0615019   0.0878194)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =         100.57 using 59 PHA bins.
# Reduced chi-squared =         1.7645 for     57 degrees of freedom 
# Null hypothesis probability =   3.284361e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.107e-07   3.057e-08
25- 50  7.583e-07   7.815e-08
50-150  9.019e-07   1.371e-07
15-150  1.871e-06   1.577e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 113.969       (-13.4536      58.2475)
Norm        : 5.93199       (-0.582275     0.666446)
------------------------------------------------------------
# Chi-Squared =          52.40 using 59 PHA bins.
# Reduced chi-squared =         0.9194 for     57 degrees of freedom 
# Null hypothesis probability =   6.479271e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.012e-07   3.940e-08
25- 50  7.112e-07   5.534e-08
50-150  1.237e-06   1.676e-07
15-150  2.349e-06   2.096e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.46390        (-1.17512      1.5014)
R1^2/D10^2  : 3.99300        (-2.39253      7.06763)
kT2 [keV]   : 20.6890        (-3.15162      4.96574)
R2^2/D10^2  : 3.55025E-02    (-0.020334   0.0331477)
------------------------------------------------------------
# Chi-Squared =          51.54 using 59 PHA bins.
# Reduced chi-squared =         0.9371 for     55 degrees of freedom 
# Null hypothesis probability =   6.076727e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.292e-07   1.580e-07
25- 50  6.676e-07   1.908e-07
50-150  1.232e-06   3.593e-07
15-150  2.329e-06   5.246e-07

Peak spectrum fit

Power-law model
Time interval is from   12.328 sec. to   13.328 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.92226     ( -0.391379   0.429466 )
Norm@50keV  : 1.64066E-02    ( -0.00402074   0.00380334 )
------------------------------------------------------------
# Chi-Squared =          61.92 using 59 PHA bins.
# Reduced chi-squared =          1.086 for     57 degrees of freedom 
# Null hypothesis probability =   3.048011e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.37709 ( -0.529519  0.530607 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.50881e-07 ( -3.50142e-08  3.52185e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   12.328 sec. to   13.328 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.92715     ( -0.517439   0.426805 )
Epeak [keV] : 9999.33      (   )
Norm@50keV  : 1.63888E-02    (     )
------------------------------------------------------------
# Chi-Squared =          61.93 using 59 PHA bins.
# Reduced chi-squared =          1.106 for     56 degrees of freedom 
# Null hypothesis probability =   2.729701e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.37854 ( -0.53169  0.52811 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.12339e-07 ( -6.6021e-08  6.3355e-08 ) ergs/cm2
 
Band function
Time interval is from   12.328 sec. to   13.328 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.52142   ( 1.5232   1.5232 )
beta        : -1.91290    ( 1.92206   0.391719 )
Epeak [keV] : 14.4613      ( -14.3484 -14.3484 )
Norm@50keV   : 4.23039E-02    ( -0.0430485   39.9694 )
------------------------------------------------------------
# Chi-Squared =          61.93 using 59 PHA bins.
# Reduced chi-squared =          1.126 for     55 degrees of freedom 
# Null hypothesis probability =   2.425425e-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]    : 10.3409  (-2.71054  4.28434)
R^2/D10^2   : 0.935297  (-0.684437   2.12214)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          72.77 using 59 PHA bins.
# Reduced chi-squared =          1.277 for     57 degrees of freedom 
# Null hypothesis probability =   7.772739e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.058e-08   1.052e-08
25- 50  5.362e-08   2.069e-08
50-150  3.081e-08   1.867e-08
15-150  1.050e-07   4.835e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 98.1805       (-52.1125      -98.2183)
Norm        : 10.2474       (-2.93476     4.68472)
------------------------------------------------------------
# Chi-Squared =          63.77 using 59 PHA bins.
# Reduced chi-squared =          1.119 for     57 degrees of freedom 
# Null hypothesis probability =   2.505410e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.678e-08   8.585e-09
25- 50  4.614e-08   1.695e-08
50-150  7.399e-08   5.334e-08
15-150  1.469e-07   6.586e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.57628        (-2.84739      2.94868)
R1^2/D10^2  : 2.73490        (-1.75526      11.2498)
kT2 [keV]   : 57.0777        (-52.5384      -75.1219)
R2^2/D10^2  : 1.97401E-03    (-0.000970591   0.0359694)
------------------------------------------------------------
# Chi-Squared =          61.78 using 59 PHA bins.
# Reduced chi-squared =          1.123 for     55 degrees of freedom 
# Null hypothesis probability =   2.468090e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.781e-08   1.669e-08
25- 50  4.788e-08   2.751e-08
50-150  7.422e-08   4.122e-08
15-150  1.499e-07   7.900e-08
Plot creation:
Sun Jul 29 10:25:04 EDT 2012