batgrbproduct Analysis for Trigger=603243

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Jul  3 18:57:18 EDT 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger603243/batgroup_hand_proc
======================================================================

  Trigger: 00603243      Segment: 000

  BAT Trigger Time: 426040649.28   [s; MET]
      Trigger Stop: 426040651.328   [s; MET]
               UTC: 2014-07-03T00:37:17.064400    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 12.9899510964298   Dec: 45.0946269766034  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.54
     Image Trigger?:     NO
     Rate S/N Ratio:     17.8605710994918  [ if not an image trigger ]
     Image S/N Ratio:    7.54

  Flight Position:   [ source = BAT ]
    RA: 12.9899510964298   Dec: 45.0946269766034  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 13.0094309035075   Dec: 45.1012626750029  [deg; J2000]  
        { 00h 52m 02.3s , +45d 06' 04.5" }
         +/- 1.61256353393099 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.564274491735776 [arcmin] (formal 1-sigma fit error)
    SNR: 15.369713043627
 
  Angular difference between Flight and Ground position is 0.916087 arcmin
 
  Partial Coding Fraction: 0.140625    [ including projection effects ]

  Duration
     T90: 69.9039999246597 +/- 66.3728895394516
        Measured from: -1.41999995708466
                   to: 68.4839999675751     [s; relative to TRIGTIME]
     T50: 35.1079999804497 +/- 9.42803652575389
        Measured from: 2.54000002145767
                   to: 37.6480000019073     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.360000014305115     
                   to: 1.36000001430511     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -2.52399998903275     
                   to: 134.840000033379     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.686456   2.149879   1.465113   0.539184
           0.141342   0.143089   0.124749   0.104344 [error]
 Peak      0.063732   0.117945   0.125505   0.081836
           0.019749   0.021687   0.020200   0.016867 [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 7.39e-07 1.11e-06 1.24e-06 2.62e-06 3.87e-06 5.70e-06   erg/cm2
              Error 9.27e-08 8.45e-08 1.27e-07 5.68e-07 3.03e-07 6.70e-07   erg/cm2
Peak flux Power-law 8.04e-01 9.18e-01 7.53e-01 1.03e+00 2.85e+00 3.51e+00   ph/cm2/s
              Error 3.04e-01 2.21e-01 1.50e-01 4.13e-01 6.03e-01 6.64e-01   ph/cm2/s
 
Fluence   Cutoff-PL -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux Cutoff-PL 6.23e-01 9.66e-01 8.56e-01 -------- 2.76e+00 2.96e+00   ph/cm2/s
              Error 3.73e-01 2.52e-01 2.14e-01 -------- 6.13e-01 8.54e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band -------- -------- -------- -------- -------- --------   ph/cm2/s
              Error -------- -------- -------- -------- -------- --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.839    0.134    -      -           3.06e-03 2.37e-04   46.140 57
CPL   1.802    0.638     267.4    0.0      3.20e-03 0.00e+00   46.180 56
 
The chi2 of BB fit is Chi-Squared Chi-Squared which shows a significant improvement in the fit over a PL.
Check the BB fit.
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.287    0.309    -      -           2.39e-02 4.64e-03   46.910 57
CPL   0.323    1.514     101.5  -17.1      6.40e-02 2.03e-01   45.560 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: 74.368000 sec.
T50 in the 50-300 keV band: 20.608000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  137.364   -2.524  134.840
T90    69.904   -1.420   68.484
T50    35.108    2.540   37.648
Peak    1.000    0.360    1.360

Image

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

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
   13.0094    45.1013   0.0125    54.6251  -169.2406         3.6477903     15.370 TRIG_00603243                 
 
Foreground time interval of the image:
 -2.524  30.621 (delta_t =  33.145 [sec])
Background time interval of the image:
-149.379  -2.524 (delta_t = 146.855 [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   -2.524 sec. to  134.840 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.83902     ( -0.132627   0.135365 )
Norm@50keV  : 3.06286E-03    ( -0.000238352   0.000236526 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.14 using 59 PHA bins.
# Reduced chi-squared =         0.8095 for     57 degrees of freedom 
# Null hypothesis probability =   8.475921e-01
 
Photon flux (15-150 keV)    in 137.4 sec: 0.428610 ( -0.0338199  0.0339982 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.87019e-06 ( -3.02503e-07  3.03859e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -2.524 sec. to  134.840 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.80213     ( -0.464292   0.811298 )
Epeak [keV] : 267.409      (   )
Norm@50keV  : 3.19853E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.18 using 59 PHA bins.
# Reduced chi-squared =         0.8246 for     56 degrees of freedom 
# Null hypothesis probability =   8.224959e-01
 
Photon flux (15-150 keV)    in 137.4 sec: 0.428638 ( -0.034891  0.033736 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   -2.524 sec. to  134.840 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 3.50748   ( -3.50051   -3.50051 )
beta        : -1.86112    ( -0.161476   0.144381 )
Epeak [keV] : 20.7300      ( -20.5339 45.7775 )
Norm@50keV   : 85.1816    ( -88.5461   17854.1 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.78 using 59 PHA bins.
# Reduced chi-squared =         0.8323 for     55 degrees of freedom 
# Null hypothesis probability =   8.077493e-01
 
Photon flux (15-150 keV)    in 137.4 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]    : 12.6675  (-1.20031  1.32961)
R^2/D10^2   : 8.10725E-02  (-0.0254582   0.0369482)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         104.44 using 59 PHA bins.
# Reduced chi-squared =         1.8323 for     57 degrees of freedom 
# Null hypothesis probability =   1.291230e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.791e-07   5.063e-08
25- 50  1.269e-06   1.311e-07
50-150  1.268e-06   1.861e-07
15-150  2.916e-06   2.865e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 109.818       (-27.3968      39.7086)
Norm        : 1.81647       (-0.186573     0.233723)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.35 using 59 PHA bins.
# Reduced chi-squared =         0.8658 for     57 degrees of freedom 
# Null hypothesis probability =   7.542579e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.518e-07   7.784e-08
25- 50  1.148e-06   9.048e-08
50-150  1.958e-06   5.977e-07
15-150  3.757e-06   7.138e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.40657        (-1.50253      1.51334)
R1^2/D10^2  : 0.467805        (-0.223174      0.593432)
kT2 [keV]   : 31.1558        (-8.54259      19.1482)
R2^2/D10^2  : 2.14009E-03    (-0.00163962   0.00483543)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.52 using 59 PHA bins.
# Reduced chi-squared =         0.8822 for     55 degrees of freedom 
# Null hypothesis probability =   7.188645e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.420e-07   1.678e-07
25- 50  1.185e-06   2.359e-07
50-150  2.028e-06   9.498e-07
15-150  3.856e-06   1.133e-06

Peak spectrum fit

Power-law model
Time interval is from    0.360 sec. to    1.360 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.28726     ( -0.316142   0.301997 )
Norm@50keV  : 2.39496E-02    ( -0.00466013   0.00462401 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.91 using 59 PHA bins.
# Reduced chi-squared =         0.8230 for     57 degrees of freedom 
# Null hypothesis probability =   8.273342e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.85063 ( -0.598807  0.606402 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.37411e-07 ( -4.56864e-08  4.57416e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.360 sec. to    1.360 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.322849     ( -1.92627   1.10254 )
Epeak [keV] : 101.456      ( -67.23 -101.452 )
Norm@50keV  : 6.39960E-02    ( -0.0640005   0.34158 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.56 using 59 PHA bins.
# Reduced chi-squared =         0.8137 for     56 degrees of freedom 
# Null hypothesis probability =   8.391185e-01
 
Photon flux (15-150 keV)    in 1 sec: 2.75858 ( -0.60733  0.61906 ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from    0.360 sec. to    1.360 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.195450   ( -0.218537   -0.218537 )
beta        : -1.81398    ( 1.81653   0.725262 )
Epeak [keV] : 77.2768      ( -76.0592 120.674 )
Norm@50keV   : 0.120641    ( -0.13047   177.363 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.25 using 59 PHA bins.
# Reduced chi-squared =         0.8228 for     55 degrees of freedom 
# Null hypothesis probability =   8.228263e-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]    : 19.2858  (-3.51138  4.76281)
R^2/D10^2   : 0.153656  (-0.0838099   0.157675)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.03 using 59 PHA bins.
# Reduced chi-squared =         0.8426 for     57 degrees of freedom 
# Null hypothesis probability =   7.955555e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.117e-08   4.167e-09
25- 50  5.430e-08   1.787e-08
50-150  1.489e-07   5.346e-08
15-150  2.143e-07   5.910e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 12.3986       (-2.38034     2.37968)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.84 using 59 PHA bins.
# Reduced chi-squared =         0.8569 for     57 degrees of freedom 
# Null hypothesis probability =   7.705880e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.088e-08   1.791e-08
25- 50  5.940e-08   3.483e-08
50-150  1.303e-07   7.545e-08
15-150  2.205e-07   1.285e-07
Double BB
R1^2/D10^2  : 1.98372E-03        (      )
kT2 [keV]   : 14.1019        (-14.1283      6.28442)
R2^2/D10^2  : 0.344790    (-0.342402   -0.342402)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.37 using 59 PHA bins.
#Fit statistic : Chi-Squared =          45.35 using 59 PHA bins.
#Fit statistic : Chi-Squared =          45.34 using 59 PHA bins.
# Reduced chi-squared =         0.8249 for     55 degrees of freedom 
# Reduced chi-squared =         0.8246 for     55 degrees of freedom 
# Reduced chi-squared =         0.8243 for     55 degrees of freedom 
# Null hypothesis probability =   8.194412e-01
# Null hypothesis probability =   8.200130e-01
# Null hypothesis probability =   8.203769e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.560e-08   9.900e-09
25- 50  5.966e-08   3.687e-08
50-150  1.559e-07   8.360e-08
15-150  2.312e-07   1.270e-07
Plot creation:
Thu Jul  3 19:20:54 EDT 2014