batgrbproduct Analysis for Trigger=528195

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Jul 22 17:57:06 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger528195/batgroup_hand_proc
======================================================================

  Trigger: 00528195      Segment: 000

  BAT Trigger Time: 364654416   [s; MET]
      Trigger Stop: 364654480   [s; MET]
               UTC: 2012-07-22T12:53:26.546400    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 230.491264214896   Dec: 13.2503098737037  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.9
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.9

  Flight Position:   [ source = BAT ]
    RA: 230.491264214896   Dec: 13.2503098737037  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 230.489107292613   Dec: 13.2491045116393  [deg; J2000]  
        { 15h 21m 57.4s , +13d 14' 56.8" }
         +/- 3.44699455602715 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.96199311796771 [arcmin] (formal 1-sigma fit error)
    SNR: 5.19213645685185
 
  Angular difference between Flight and Ground position is 0.145255 arcmin
 
  Partial Coding Fraction: 0.1953125    [ including projection effects ]

  Duration
     T90: 42.4480000138283 +/- 10.4672441118585
        Measured from: 1.15200001001358
                   to: 43.6000000238419     [s; relative to TRIGTIME]
     T50: 14.5440000295639 +/- 4.81773387783073
        Measured from: 12.5120000243187
                   to: 27.0560000538826     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 24.0199999809265     
                   to: 25.0199999809265     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.336000025272369     
                   to: 47.5360000133514     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.766823   0.635952   0.536672   0.090102
           0.083185   0.083483   0.074680   0.067297 [error]
 Peak      0.044745   0.042122   0.018716   0.022281
           0.012434   0.011891   0.010910   0.008796 [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 2.52e-07 3.63e-07 3.88e-07 7.72e-07 1.24e-06 1.77e-06   erg/cm2
              Error 4.99e-08 4.47e-08 7.82e-08 3.25e-07 1.77e-07 3.95e-07   erg/cm2
Peak flux Power-law 4.54e-01 3.48e-01 1.79e-01 1.32e-01 1.04e+00 1.11e+00   ph/cm2/s
              Error 2.28e-01 1.11e-01 8.87e-02 1.32e-01 3.39e-01 3.53e-01   ph/cm2/s
 
Fluence   Cutoff-PL 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 Cutoff-PL 4.54e-01 3.48e-01 1.79e-01 1.31e-01 1.04e+00 1.11e+00   ph/cm2/s
              Error 2.27e-01 1.11e-01 7.20e-02 1.54e-01 3.35e-01 3.52e-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    1.903    0.246    -      -           2.82e-03 4.07e-04   57.050 57
CPL   2.151    0.000      64.0    0.0      2.06e-03 0.00e+00   56.400 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.963    0.660    -      -           7.07e-03 2.72e-03   61.120 57
CPL   2.165    0.000      69.7    0.0      5.22e-03 0.00e+00   60.750 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: 43.968000 sec.
T50 in the 50-300 keV band: 14.336000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   47.872   -0.336   47.536
T90    42.448    1.152   43.600
T50    14.544   12.512   27.056
Peak    1.000   24.020   25.020

Image

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

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  230.4891    13.2491   0.0371    47.0186   155.2062         1.8367800      5.192 TRIG_00528195                 
 
Foreground time interval of the image:
 -0.336  47.536 (delta_t =  47.872 [sec])
Background time interval of the image:
-12.099  -0.336 (delta_t =  11.763 [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   -0.336 sec. to   47.536 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.90268     ( -0.237872   0.253683 )
Norm@50keV  : 2.82359E-03    ( -0.000414603   0.000400008 )
------------------------------------------------------------
# Chi-Squared =          57.05 using 59 PHA bins.
# Reduced chi-squared =          1.001 for     57 degrees of freedom 
# Null hypothesis probability =   4.734090e-01
 
Photon flux (15-150 keV)    in 47.87 sec: 0.405676 ( -0.0510977  0.051279 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.24269e-06 ( -1.75985e-07  1.78199e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.336 sec. to   47.536 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.15052     (     )
Epeak [keV] : 63.9891      (   )
Norm@50keV  : 2.05854E-03    (     )
------------------------------------------------------------
# Chi-Squared =          56.40 using 59 PHA bins.
# Reduced chi-squared =          1.007 for     56 degrees of freedom 
# Null hypothesis probability =   4.598260e-01
 
Photon flux (15-150 keV)    in 47.87 sec: 0.405700 ( -0.051322  0.051014 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   -0.336 sec. to   47.536 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -2.64860   ( 0.822496   2.6486 )
beta        : -1.90269    ( -0.253677   0.237898 )
Epeak [keV] : 101.464      ( -101.464 -101.464 )
Norm@50keV   : 0.383765    ( -0.0563499   0.0543673 )
------------------------------------------------------------
# Chi-Squared =          57.05 using 59 PHA bins.
# Reduced chi-squared =          1.037 for     55 degrees of freedom 
# Null hypothesis probability =   3.989578e-01
 
Photon flux (15-150 keV)    in 47.87 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]    : 12.9214  (-2.35904  2.77398)
R^2/D10^2   : 6.88812E-02  (-0.0345939   0.0751572)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          87.78 using 59 PHA bins.
# Reduced chi-squared =          1.540 for     57 degrees of freedom 
# Null hypothesis probability =   5.486218e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.168e-07   2.879e-08
25- 50  3.995e-07   7.516e-08
50-150  4.202e-07   1.157e-07
15-150  9.365e-07   1.843e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 99.8318       (-36.7761      83.4408)
Norm        : 1.74977       (-0.296221     0.389464)
------------------------------------------------------------
# Chi-Squared =          60.18 using 59 PHA bins.
# Reduced chi-squared =          1.056 for     57 degrees of freedom 
# Null hypothesis probability =   3.615069e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.189e-07   3.585e-08
25- 50  3.784e-07   5.539e-08
50-150  6.127e-07   1.216e-07
15-150  1.210e-06   1.898e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.04180        (-0.891544      1.2207)
R1^2/D10^2  : 5.53185        (-3.92816      14.5745)
kT2 [keV]   : 21.2011        (-4.38169      6.59928)
R2^2/D10^2  : 9.61355E-03    (-0.00593854   0.0128764)
------------------------------------------------------------
# Chi-Squared =          52.67 using 59 PHA bins.
# Reduced chi-squared =         0.9576 for     55 degrees of freedom 
# Null hypothesis probability =   5.641644e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.921e-07   1.453e-07
25- 50  2.954e-07   1.006e-07
50-150  6.759e-07   3.167e-07
15-150  1.263e-06   4.307e-07

Peak spectrum fit

Power-law model
Time interval is from   24.020 sec. to   25.020 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.96292     ( -0.600249   0.718833 )
Norm@50keV  : 7.06616E-03    ( -0.00287496   0.00255734 )
------------------------------------------------------------
# Chi-Squared =          61.12 using 59 PHA bins.
# Reduced chi-squared =          1.072 for     57 degrees of freedom 
# Null hypothesis probability =   3.302878e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.04227 ( -0.339612  0.339058 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.5054e-08 ( -2.34271e-08  2.37523e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   24.020 sec. to   25.020 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.16456     (     )
Epeak [keV] : 69.6500      (   )
Norm@50keV  : 5.21976E-03    (     )
------------------------------------------------------------
# Chi-Squared =          60.75 using 59 PHA bins.
# Reduced chi-squared =          1.085 for     56 degrees of freedom 
# Null hypothesis probability =   3.087525e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.04184 ( -0.338241  0.33103 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.98565e-08 ( -4.56002e-08  5.84505e-08 ) ergs/cm2
 
Band function
Time interval is from   24.020 sec. to   25.020 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.99999   ( -139963   -139963 )
beta        : -2.06646    ( -1.03979   0.671147 )
Epeak [keV] : 21.3297      ( -21.2599 10.1995 )
Norm@50keV   : 3186.81    ( -3261.23   1.77698e+07 )
------------------------------------------------------------
# Chi-Squared =          60.88 using 59 PHA bins.
# Reduced chi-squared =          1.107 for     55 degrees of freedom 
# Null hypothesis probability =   2.727414e-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]    : 8.39804  (-2.88412  4.08812)
R^2/D10^2   : 0.918417  (-0.917286   4.12241)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
# Chi-Squared =          64.87 using 59 PHA bins.
# Reduced chi-squared =          1.138 for     57 degrees of freedom 
# Null hypothesis probability =   2.215210e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.211e-08   7.490e-09
25- 50  2.303e-08   1.403e-08
50-150  7.076e-09   5.710e-09
15-150  4.222e-08   2.747e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 82.9823       (-83.5754      -83.5754)
Norm        : 4.71267       (-1.97818     5.81321)
------------------------------------------------------------
# Chi-Squared =          62.46 using 59 PHA bins.
# Reduced chi-squared =          1.096 for     57 degrees of freedom 
# Null hypothesis probability =   2.885584e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.225e-08   7.865e-09
25- 50  2.035e-08   1.274e-08
50-150  2.943e-08   2.393e-08
15-150  6.204e-08   4.371e-08
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.12659        (-2.60157      3.51215)
R1^2/D10^2  : 1.63266        (      )
kT2 [keV]   : 99.6651        (-73.1487      -99.7051)
R2^2/D10^2  : 2.87836E-04    (-0.000204657   0.00811032)
------------------------------------------------------------
# Chi-Squared =          58.62 using 59 PHA bins.
# Chi-Squared =          58.58 using 59 PHA bins.
# Reduced chi-squared =          1.066 for     55 degrees of freedom 
# Reduced chi-squared =          1.065 for     55 degrees of freedom 
# Null hypothesis probability =   3.440897e-01
# Null hypothesis probability =   3.456114e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.389e-08   8.295e-09
25- 50  2.040e-08   1.267e-08
50-150  3.256e-08   1.953e-08
15-150  6.685e-08   3.467e-08
Plot creation:
Sun Jul 22 18:11:58 EDT 2012