batgrbproduct Analysis for Trigger=544784

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Jan  6 20:34:35 EST 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger544784/batgroup_hand_proc
======================================================================

  Trigger: 00544784      Segment: 000

  BAT Trigger Time: 378843064   [s; MET]
      Trigger Stop: 378843128   [s; MET]
               UTC: 2013-01-02T18:10:53.944400    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 311.464423090679   Dec: 49.835123133839  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.9
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    9.9

  Flight Position:   [ source = BAT ]
    RA: 311.464423090679   Dec: 49.835123133839  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 311.425311276435   Dec: 49.8324227717853  [deg; J2000]  
        { 20h 45m 42.1s , +49d 49' 56.7" }
         +/- 2.27422074955492 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.15531213135714 [arcmin] (formal 1-sigma fit error)
    SNR: 9.40497179909723
 
  Angular difference between Flight and Ground position is 1.522291 arcmin
 
  Partial Coding Fraction: 0.9921875    [ including projection effects ]

  Duration
     T90: 153.603999912739 +/- 18.1787516820219
        Measured from: 17.9200000166893
                   to: 171.523999929428     [s; relative to TRIGTIME]
     T50: 69.5119999647141 +/- 39.2268316975094
        Measured from: 28.1679999828339
                   to: 97.6799999475479     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 23.5320000052452     
                   to: 24.5320000052452     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 15.3759999871254     
                   to: 184.079999983311     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.413916   0.536093   0.388438   0.024402
           0.063000   0.061977   0.054748   0.048193 [error]
 Peak      0.015092   0.022459   0.008813   0.005948
           0.004853   0.004793   0.004382   0.003728 [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 1.19e-07 2.04e-07 2.68e-07 7.14e-07 7.85e-07 1.30e-06   erg/cm2
              Error 2.45e-08 2.72e-08 5.14e-08 2.83e-07 1.22e-07 3.30e-07   erg/cm2
Peak flux Power-law 1.49e-01 1.34e-01 8.36e-02 7.92e-02 4.00e-01 4.46e-01   ph/cm2/s
              Error 5.87e-02 3.66e-02 3.36e-02 6.25e-02 1.09e-01 1.26e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.51e-08 2.30e-07 2.86e-07 7.25e-07 0.00e+00 0.00e+00   erg/cm2
              Error 3.12e-08 3.51e-08 5.99e-08 1.26e-07 0.00e+00 0.00e+00   erg/cm2
Peak flux Cutoff-PL 1.25e-01 1.65e-01 7.56e-02 8.63e-03 3.73e-01 3.74e-01   ph/cm2/s
              Error 6.94e-02 5.71e-02 6.01e-02 4.98e-02 1.13e-01 9.49e-02   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    1.608    0.232    -      -           4.98e-04 7.15e-05    0.000 57
CPL   0.330    1.198      64.9   39.3      2.19e-03 4.94e-03    0.000 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.685    0.477    -      -           3.03e-03 9.49e-04    0.000 57
CPL  -0.233    3.693      47.2  -16.3      3.96e-02 2.20e+01    0.000 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: 27.776000 sec.
T50 in the 50-300 keV band: 9.344000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  168.704   15.376  184.080
T90   153.604   17.920  171.524
T50    69.512   28.168   97.680
Peak    1.000   23.532   24.532

Image

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

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  311.4253    49.8324   0.0203     9.9897   -74.3881         0.8315537      9.405 TRIG_00544784                 
 
Foreground time interval of the image:
 15.376  73.501 (delta_t =  58.125 [sec])
Background time interval of the image:
-79.499  15.376 (delta_t =  94.875 [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   15.376 sec. to  184.080 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.60808     ( -0.226665   0.236569 )
Norm@50keV  : 4.97771E-04    ( -7.21053e-05   7.09602e-05 )
------------------------------------------------------------
#Test statistic : Chi-Squared =          67.45 using 59 PHA bins.
# Reduced chi-squared =          1.183 for     57 degrees of freedom 
# Null hypothesis probability =   1.620939e-01
 
Photon flux (15-150 keV)    in 168.7 sec: 6.41270E-02 ( -0.00850307  0.00850882 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.84578e-07 ( -1.21195e-07  1.2373e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   15.376 sec. to  184.080 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.330178     ( -1.35617   1.04034 )
Epeak [keV] : 64.8621      ( -13.5585 64.9757 )
Norm@50keV  : 2.18951E-03    ( -0.00218877   0.00769472 )
------------------------------------------------------------
#Test statistic : Chi-Squared =          62.87 using 59 PHA bins.
# Reduced chi-squared =          1.123 for     56 degrees of freedom 
# Null hypothesis probability =   2.460369e-01
 
Photon flux (15-150 keV)    in 168.7 sec: 6.05810E-02 ( -0.009043  0.0089931 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.24536e-07 ( -1.22405e-07  1.30042e-07 ) ergs/cm2
 
Band function
Time interval is from   15.376 sec. to  184.080 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.336885   ( -1.07873   1.28481 )
beta        : -10.0000    ( 10   1.77636e-15 )
Epeak [keV] : 65.1213      ( -13.838 64.7713 )
Norm@50keV   : 2.16577E-03    ( -0.00216581   0.00772812 )
------------------------------------------------------------
#Test statistic : Chi-Squared =          62.87 using 59 PHA bins.
# Reduced chi-squared =          1.143 for     55 degrees of freedom 
# Null hypothesis probability =   2.175457e-01
 
Photon flux (15-150 keV)    in 168.7 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]    : 14.5900  (-1.95571  2.27625)
R^2/D10^2   : 8.20127E-03  (-0.00329799   0.00541039)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Test statistic : Chi-Squared =          66.93 using 59 PHA bins.
# Reduced chi-squared =          1.174 for     57 degrees of freedom 
# Null hypothesis probability =   1.729077e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.192e-08   1.540e-08
25- 50  2.397e-07   4.378e-08
50-150  3.429e-07   8.815e-08
15-150  6.445e-07   1.172e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 162.775       (-72.5805      -161.077)
Norm        : 0.264545       (-0.0362621     0.0453867)
------------------------------------------------------------
#Test statistic : Chi-Squared =          65.14 using 59 PHA bins.
# Reduced chi-squared =          1.143 for     57 degrees of freedom 
# Null hypothesis probability =   2.144594e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.138e-07   6.316e-08
25- 50  2.133e-07   1.145e-07
50-150  4.351e-07   2.511e-07
15-150  7.621e-07   4.244e-07
Double BB
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.26130        (-1.06589      1.68676)
R1^2/D10^2  : 12.8143        (-12.3381      3980.71)
kT2 [keV]   : 16.1307        (-2.30154      2.92372)
R2^2/D10^2  : 5.46296E-03    (-0.00248401   0.00429086)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          56.06 using 59 PHA bins.
#Test statistic : Chi-Squared =          56.06 using 59 PHA bins.
# Reduced chi-squared =          1.019 for     55 degrees of freedom 
# Null hypothesis probability =   4.349558e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.049e-07   4.175e-08
25- 50  2.124e-07   5.810e-08
50-150  3.826e-07   1.215e-07
15-150  6.998e-07   1.560e-07

Peak spectrum fit

Power-law model
Time interval is from   23.532 sec. to   24.532 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.68513     ( -0.45568   0.498803 )
Norm@50keV  : 3.02973E-03    ( -0.000966985   0.000931519 )
------------------------------------------------------------
#Test statistic : Chi-Squared =          76.00 using 59 PHA bins.
# Reduced chi-squared =          1.333 for     57 degrees of freedom 
# Null hypothesis probability =   4.708530e-02
 
Photon flux (15-150 keV)    in 1 sec: 0.400314 ( -0.10863  0.108632 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.80869e-08 ( -9.05294e-09  9.58368e-09 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   23.532 sec. to   24.532 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.232544     ( -5.00201   2.38433 )
Epeak [keV] : 47.1995      ( -14.342 -46.9345 )
Norm@50keV  : 3.95512E-02    ( -0.0425893   43.9251 )
------------------------------------------------------------
#Test statistic : Chi-Squared =          74.48 using 59 PHA bins.
# Reduced chi-squared =          1.330 for     56 degrees of freedom 
# Null hypothesis probability =   4.992102e-02
 
Photon flux (15-150 keV)    in 1 sec: 0.373287 ( -0.111133  0.115176 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.30394e-08 ( -8.451e-09  3.89001e-08 ) ergs/cm2
 
Band function
Time interval is from   23.532 sec. to   24.532 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 2.31481   ( -4.23977   -2.31493 )
beta        : -2.37984    ( 2.37982   0.938571 )
Epeak [keV] : 36.3754      ( -36.376 118.071 )
Norm@50keV   : 1.08486    ( -1.08546   43.25 )
------------------------------------------------------------
#Test statistic : Chi-Squared =          74.06 using 59 PHA bins.
# Reduced chi-squared =          1.347 for     55 degrees of freedom 
# Null hypothesis probability =   4.420014e-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]    : 11.1287  (-2.73395  3.83731)
R^2/D10^2   : 0.134859  (-0.0898358   0.241843)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Test statistic : Chi-Squared =          74.80 using 59 PHA bins.
# Reduced chi-squared =          1.312 for     57 degrees of freedom 
# Null hypothesis probability =   5.700165e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.497e-09   2.139e-09
25- 50  1.004e-08   5.965e-09
50-150  7.085e-09   4.705e-09
15-150  2.062e-08   1.281e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 115.022       (-69.2491      -112.887)
Norm        : 1.72141       (-0.513416     0.803469)
------------------------------------------------------------
#Test statistic : Chi-Squared =          75.28 using 59 PHA bins.
# Reduced chi-squared =          1.321 for     57 degrees of freedom 
# Null hypothesis probability =   5.280181e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.490e-09   2.693e-09
25- 50  7.974e-09   4.651e-09
50-150  1.393e-08   1.012e-08
15-150  2.639e-08   1.636e-08
Double BB
kT1 [keV]   : 9.82490        (-9.35029      4.87499)
R1^2/D10^2  : 0.191672        (      )
kT2 [keV]   : 55.8397        (-57.7947      -57.7947)
R2^2/D10^2  : 2.48063E-04    (-0.000221702   0.313854)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          74.01 using 59 PHA bins.
#Test statistic : Chi-Squared =          74.01 using 59 PHA bins.
#Fit statistic : Chi-Squared =          73.93 using 59 PHA bins.
#Test statistic : Chi-Squared =          73.93 using 59 PHA bins.
# Reduced chi-squared =          1.346 for     55 degrees of freedom 
# Reduced chi-squared =          1.344 for     55 degrees of freedom 
# Null hypothesis probability =   4.460303e-02
# Null hypothesis probability =   4.520151e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.913e-09   2.522e-09
25- 50  9.524e-09   6.545e-09
50-150  1.209e-08   7.505e-09
15-150  2.553e-08   1.464e-08
Plot creation:
Mon Jan  7 03:24:31 EST 2013