batgrbproduct Analysis for Trigger=533120

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Sep 10 14:49:39 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger533120/GCN5_download_cron
======================================================================

  Trigger: 00533120      Segment: 000

  BAT Trigger Time: 368926464   [s; MET]
      Trigger Stop: 368926784   [s; MET]
               UTC: 2012-09-09T23:34:14.367740    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 264.819323552384   Dec: -30.4048040183987  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    5.81
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    5.81

  Flight Position:   [ source = BAT ]
    RA: 264.819323552384   Dec: -30.4048040183987  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 264.768813426127   Dec: -30.3930384224268  [deg; J2000]  
        { 17h 39m 04.5s , -30d 23' 34.9" }
         +/- 3.82388222277554 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.57972714376363 [arcmin] (formal 1-sigma fit error)
    SNR: 4.4768143383062
 
  Angular difference between Flight and Ground position is 2.707615 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 320 +/- 
        Measured from: 0
                   to: 320     [s; relative to TRIGTIME]
     T50: 320 +/- 
        Measured from: 0
                   to: 320     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 320 second)
        Measured from: 0     
                   to: 320     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 320     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.600077   0.388405   0.145527   0.014773
           0.107941   0.098744   0.085245   0.078834 [error]
 Peak      0.600077   0.388405   0.145527   0.014773
           0.107941   0.098744   0.085245   0.078834 [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 1.33e-07 1.45e-07 1.13e-07 1.45e-07 4.46e-07 5.36e-07   erg/cm2
              Error 4.43e-08 4.54e-08 6.67e-08 1.90e-07 1.59e-07 2.65e-07   erg/cm2
Peak flux Power-law 1.37e-02 8.34e-03 3.25e-03 1.69e-03 2.62e-02 2.70e-02   ph/cm2/s
              Error 4.67e-03 2.53e-03 1.85e-03 2.09e-03 7.25e-03 7.61e-03   ph/cm2/s
 
Fluence   Cutoff-PL 1.45e-07 1.50e-07 7.97e-09 1.98e-12 3.03e-07 0.00e+00   erg/cm2
              Error 5.20e-08 7.25e-08 7.92e-08 4.71e-08 2.56e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 1.45e-02 9.17e-03 2.79e-04 3.68e-08 2.40e-02 2.40e-02   ph/cm2/s
              Error 5.35e-03 3.98e-03 2.26e-03 3.01e-04 6.92e-03 6.92e-03   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    2.362    0.582    -      -           1.45e-04 6.33e-05   40.410 57
CPL  -5.390    0.000      24.5    6.0      8.86e+01 0.00e+00   38.950 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.362    0.582    -      -           1.45e-04 6.33e-05   40.410 57
CPL  -5.390    0.000      24.5    6.9      8.86e+01 0.00e+00   38.950 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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  320.000    0.000  320.000
T90   320.000    0.000  320.000
T50   320.000    0.000  320.000
Peak  320.000    0.000  320.000

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  264.7688 -30.3930 0.0430    2.4    7.4       1.2076     4.5  TRIG_00533120       
------------------------------------------
 
Foreground time interval of the image:
  0.000  45.020 (delta_t =  45.020 [sec])
 46.000 309.260 (delta_t = 263.260 [sec])
310.000 320.000 (delta_t =  10.000 [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
0.000000 45.020000
46.000000 309.260000
310.000000 320.000000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.36227     ( -0.534948   0.628629 )
Norm@50keV  : 1.44712E-04    ( -6.26449e-05   6.39043e-05 )
------------------------------------------------------------
# Chi-Squared =          40.41 using 59 PHA bins.
# Reduced chi-squared =         0.7090 for     57 degrees of freedom 
# Null hypothesis probability =   9.527643e-01
 
Photon flux (15-150 keV)    in 318.3 sec: 2.61960E-02 ( -0.00724473  0.00725166 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.45626e-07 ( -1.50723e-07  1.67586e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
0.000000 45.020000
46.000000 309.260000
310.000000 320.000000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -5.38952     (     )
Epeak [keV] : 24.5112      ( -6.73434 5.36086 )
Norm@50keV  : 88.5835    (     )
------------------------------------------------------------
# Chi-Squared =          38.95 using 59 PHA bins.
# Reduced chi-squared =         0.6955 for     56 degrees of freedom 
# Null hypothesis probability =   9.596808e-01
 
Photon flux (15-150 keV)    in 318.3 sec: 2.39665E-02 ( -0.0068004  0.007031 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.03003e-07 ( -9.4305e-08  4.18612e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
0.000000 45.020000
46.000000 309.260000
310.000000 320.000000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.99760   ( -808.33   -798.33 )
beta        : -3.07940    ( 3.0794   0.945031 )
Epeak [keV] : 22.4123      ( -6.86506 6.65692 )
Norm@50keV   : 77.1991    ( -77.1992   1083.72 )
------------------------------------------------------------
# Chi-Squared =          37.36 using 59 PHA bins.
# Reduced chi-squared =         0.6793 for     55 degrees of freedom 
# Null hypothesis probability =   9.670925e-01
 
Photon flux (15-150 keV)    in 318.3 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]    : 6.25061  (-1.42042  1.98008)
R^2/D10^2   : 8.20168E-02  (-0.0820154   0.169828)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          39.01 using 59 PHA bins.
# Reduced chi-squared =         0.6844 for     57 degrees of freedom 
# Null hypothesis probability =   9.670995e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.434e-07   8.387e-08
25- 50  1.561e-07   9.748e-08
50-150  1.686e-08   1.461e-08
15-150  3.164e-07   1.884e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 30.0877       (-14.2147      41.9285)
Norm        : 0.210676       (-0.0966071     0.202327)
------------------------------------------------------------
# Chi-Squared =          39.71 using 59 PHA bins.
# Reduced chi-squared =         0.6967 for     57 degrees of freedom 
# Null hypothesis probability =   9.604451e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.367e-07   5.865e-08
25- 50  1.564e-07   9.312e-08
50-150  8.600e-08   6.929e-08
15-150  3.791e-07   1.948e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.74395        (-5.74395      1.93049)
R1^2/D10^2  : 0.109972        (-0.109997      0.298296)
kT2 [keV]   : 38.4460        (-38.4398      -38.4398)
R2^2/D10^2  : 4.36377E-05    (-4.36598e-05   0.000609852)
------------------------------------------------------------
# Chi-Squared =          37.17 using 59 PHA bins.
# Reduced chi-squared =         0.6759 for     55 degrees of freedom 
# Null hypothesis probability =   9.687623e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.465e-07   8.589e-08
25- 50  1.485e-07   8.799e-08
50-150  1.770e-07   1.154e-07
15-150  4.720e-07   2.284e-07

Peak spectrum fit

Power-law model
Time interval is from  310.000 sec. to  320.000 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.36227     ( -0.534948   0.628629 )
Norm@50keV  : 1.44712E-04    ( -6.26449e-05   6.39043e-05 )
------------------------------------------------------------
# Chi-Squared =          40.41 using 59 PHA bins.
# Reduced chi-squared =         0.7090 for     57 degrees of freedom 
# Null hypothesis probability =   9.527643e-01
 
Photon flux (15-150 keV)    in 318.3 sec: 2.61960E-02 ( -0.00724473  0.00725166 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.45626e-07 ( -1.50723e-07  1.67586e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  310.000 sec. to  320.000 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -5.38952     (     )
Epeak [keV] : 24.5112      ( -7.068 6.70975 )
Norm@50keV  : 88.5835    (     )
------------------------------------------------------------
# Chi-Squared =          38.95 using 59 PHA bins.
# Reduced chi-squared =         0.6955 for     56 degrees of freedom 
# Null hypothesis probability =   9.596808e-01
 
Photon flux (15-150 keV)    in 318.3 sec: 2.39665E-02 ( -0.0068004  0.007031 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.03003e-07 ( -9.4305e-08  4.18612e-07 ) ergs/cm2
 
Band function
Time interval is from  310.000 sec. to  320.000 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.99760   ( -808.33   -798.33 )
beta        : -3.07940    ( 3.0794   0.945031 )
Epeak [keV] : 22.4123      ( -6.86506 6.65692 )
Norm@50keV   : 77.1991    ( -77.1992   1075.91 )
------------------------------------------------------------
# Chi-Squared =          37.36 using 59 PHA bins.
# Reduced chi-squared =         0.6793 for     55 degrees of freedom 
# Null hypothesis probability =   9.670925e-01
 
Photon flux (15-150 keV)    in 318.3 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]    : 6.25061  (-1.42042  1.98008)
R^2/D10^2   : 8.20168E-02  (-0.0820154   0.169828)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          39.01 using 59 PHA bins.
# Reduced chi-squared =         0.6844 for     57 degrees of freedom 
# Null hypothesis probability =   9.670995e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.434e-07   8.535e-08
25- 50  1.561e-07   9.885e-08
50-150  1.686e-08   1.435e-08
15-150  3.164e-07   1.907e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 30.0877       (-14.2147      41.9285)
Norm        : 0.210676       (-0.0966071     0.202327)
------------------------------------------------------------
# Chi-Squared =          39.71 using 59 PHA bins.
# Reduced chi-squared =         0.6967 for     57 degrees of freedom 
# Null hypothesis probability =   9.604451e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.367e-07   6.401e-08
25- 50  1.564e-07   8.032e-08
50-150  8.600e-08   7.105e-08
15-150  3.791e-07   1.911e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.74395        (-5.74395      1.93049)
R1^2/D10^2  : 0.109972        (-0.109997      0.298296)
kT2 [keV]   : 38.4460        (-38.4398      -38.4398)
R2^2/D10^2  : 4.36377E-05    (-4.36598e-05   0.00061527)
------------------------------------------------------------
# Chi-Squared =          37.17 using 59 PHA bins.
# Reduced chi-squared =         0.6759 for     55 degrees of freedom 
# Null hypothesis probability =   9.687623e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.465e-07   8.941e-08
25- 50  1.485e-07   9.048e-08
50-150  1.770e-07   1.219e-07
15-150  4.720e-07   2.513e-07
Plot creation:
Mon Sep 10 15:12:01 EDT 2012