batgrbproduct Analysis for Trigger=563213

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Jul 23 17:12:49 EDT 2013
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger563213/batgroup_hand_proc
======================================================================

  Trigger: 00563213      Segment: 000

  BAT Trigger Time: 396173970.048   [s; MET]
      Trigger Stop: 396173972.096   [s; MET]
               UTC: 2013-07-22T08:19:19.228240    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 260.669809204394   Dec: -2.97920903466256  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.67
     Image Trigger?:     NO
     Rate S/N Ratio:     6.2449979983984  [ if not an image trigger ]
     Image S/N Ratio:    7.67

  Flight Position:   [ source = BAT ]
    RA: 260.669809204394   Dec: -2.97920903466256  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 260.669223149202   Dec: -2.95655987956638  [deg; J2000]  
        { 17h 22m 40.6s , -02d 57' 23.6" }
         +/- 1.32317940744802 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.537640330350079 [arcmin] (formal 1-sigma fit error)
    SNR: 20.3881270998206
 
  Angular difference between Flight and Ground position is 1.359403 arcmin
 
  Partial Coding Fraction: 0.4882812    [ including projection effects ]

  Duration
     T90: 97.5279999375343 +/- 18.7139235166515
        Measured from: 8.42400014400482
                   to: 105.952000081539     [s; relative to TRIGTIME]
     T50: 36.0199999213219 +/- 0.866671782070127
        Measured from: 42.3720001578331
                   to: 78.392000079155     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 70.2840000391006     
                   to: 71.2840000391006     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -3.96399998664856     
                   to: 252.992000043392     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     5.252037   7.383188   5.825986   1.623033
           0.109742   0.104367   0.089859   0.073098 [error]
 Peak      0.160248   0.278524   0.237263   0.062422
           0.007961   0.008737   0.008051   0.005597 [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 1.89e-06 3.33e-06 4.48e-06 1.24e-05 1.30e-05 2.21e-05   erg/cm2
              Error 7.94e-08 8.07e-08 9.82e-08 6.41e-07 2.51e-07 6.73e-07   erg/cm2
Peak flux Power-law 2.03e+00 2.11e+00 1.54e+00 1.82e+00 6.39e+00 7.51e+00   ph/cm2/s
              Error 1.40e-01 8.88e-02 6.54e-02 1.60e-01 2.48e-01 2.72e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.83e-06 3.34e-06 4.54e-06 1.08e-05 1.29e-05 2.05e-05   erg/cm2
              Error 1.03e-07 8.30e-08 1.17e-07 1.81e-06 2.72e-07 2.18e-06   erg/cm2
Peak flux Cutoff-PL 1.79e+00 2.18e+00 1.64e+00 1.12e+00 6.22e+00 6.73e+00   ph/cm2/s
              Error 1.76e-01 9.84e-02 8.02e-02 2.63e-01 2.61e-01 3.81e-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 1.72e+00 2.22e+00 1.60e+00 7.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 2.24e-01 1.27e-01 3.56e-01 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    1.570    0.037    -      -           5.42e-03 1.05e-04   38.010 57
CPL   1.449    0.142     268.2  -76.1      6.10e-03 8.37e-04   36.050 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    1.450    0.063    -      -           5.19e-02 1.88e-03   64.390 57
CPL   0.919    0.273     111.7   38.2      9.16e-02 2.66e-02   52.020 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: 81.280000 sec.
T50 in the 50-300 keV band: 31.872000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  256.956   -3.964  252.992
T90    97.528    8.424  105.952
T50    36.020   42.372   78.392
Peak    1.000   70.284   71.284

Image

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

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  260.6692    -2.9566   0.0095    40.9695    -5.5939         1.8226377     20.388 TRIG_00563213                 
 
Foreground time interval of the image:
 -3.964  22.753 (delta_t =  26.717 [sec])
Background time interval of the image:
-239.048 -228.008 (delta_t =  11.040 [sec])
-227.048  -3.964 (delta_t = 223.084 [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
Multiple GTIs in the spectrum
tstart tstop
-3.964000 66.819800
67.952000 252.992000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.56979     ( -0.0369178   0.0368701 )
Norm@50keV  : 5.41826E-03    ( -0.000104849   0.000104781 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.01 using 59 PHA bins.
# Reduced chi-squared =         0.6669 for     57 degrees of freedom 
# Null hypothesis probability =   9.751134e-01
 
Photon flux (15-150 keV)    in 255.8 sec: 0.689914 ( -0.0162188  0.0162962 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.30122e-05 ( -2.50697e-07  2.50737e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-3.964000 66.819800
67.952000 252.992000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.44940     ( -0.15069   0.133134 )
Epeak [keV] : 268.200      ( -116.046 -268.2 )
Norm@50keV  : 6.10189E-03    ( -0.000722494   0.000951204 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.05 using 59 PHA bins.
# Reduced chi-squared =         0.6438 for     56 degrees of freedom 
# Null hypothesis probability =   9.823854e-01
 
Photon flux (15-150 keV)    in 255.8 sec: 0.682098 ( -0.018478  0.018573 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.29317e-05 ( -2.72222e-07  2.71276e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-3.964000 66.819800
67.952000 252.992000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.02589   ( -0.549088   2.18807 )
beta        : -1.60904    ( 1.60888   0.0558318 )
Epeak [keV] : 68.0177      ( -33.8669 1621.01 )
Norm@50keV   : 1.11194E-02    ( -0.00484814   0.11155 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          34.83 using 59 PHA bins.
# Reduced chi-squared =         0.6332 for     55 degrees of freedom 
# Null hypothesis probability =   9.846443e-01
 
Photon flux (15-150 keV)    in 255.8 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]    : 17.7442  (  )
R^2/D10^2   : 4.04915E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         621.42 using 59 PHA bins.
# Reduced chi-squared =         10.902 for     57 degrees of freedom 
# Null hypothesis probability =   7.614413e-96
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.559e-07   2.801e-08
25- 50  3.001e-06   8.825e-08
50-150  6.832e-06   2.174e-07
15-150  1.049e-05   2.238e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 2.79059       (-0.0534489     0.0534474)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.44 using 59 PHA bins.
# Reduced chi-squared =         0.7972 for     57 degrees of freedom 
# Null hypothesis probability =   8.648817e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.778e-06   4.016e-08
25- 50  3.420e-06   8.569e-08
50-150  7.501e-06   1.816e-07
15-150  1.270e-05   2.929e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.99043        (-0.567742      0.595475)
R1^2/D10^2  : 0.453338        (-0.0992974      0.135371)
kT2 [keV]   : 30.0867        (-2.12451      2.61636)
R2^2/D10^2  : 5.03114E-03    (-0.00129528   0.00154938)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.66 using 59 PHA bins.
# Reduced chi-squared =         0.8666 for     55 degrees of freedom 
# Null hypothesis probability =   7.481816e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.520e-06   1.064e-07
25- 50  3.460e-06   1.369e-07
50-150  7.788e-06   3.696e-07
15-150  1.277e-05   4.477e-07

Peak spectrum fit

Power-law model
Time interval is from   70.284 sec. to   71.284 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.44955     ( -0.0627064   0.0628 )
Norm@50keV  : 5.18658E-02    ( -0.00187872   0.0018786 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          64.39 using 59 PHA bins.
# Reduced chi-squared =          1.130 for     57 degrees of freedom 
# Null hypothesis probability =   2.338834e-01
 
Photon flux (15-150 keV)    in 1 sec: 6.39103 ( -0.248118  0.248622 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.9636e-07 ( -1.90651e-08  1.90906e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   70.284 sec. to   71.284 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.918535     ( -0.280601   0.26455 )
Epeak [keV] : 111.708      ( -21.1105 55.3773 )
Norm@50keV  : 9.15640E-02    ( -0.0220768   0.0311534 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.02 using 59 PHA bins.
# Reduced chi-squared =         0.9290 for     56 degrees of freedom 
# Null hypothesis probability =   6.261871e-01
 
Photon flux (15-150 keV)    in 1 sec: 6.21529 ( -0.26035  0.26116 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.84065e-07 ( -2.038e-08  2.03e-08 ) ergs/cm2
 
Band function
Time interval is from   70.284 sec. to   71.284 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.606891   ( -0.513614   2.4729 )
beta        : -1.74179    ( 1.74113   0.209855 )
Epeak [keV] : 79.2199      ( -39.1078 67.5718 )
Norm@50keV   : 0.138305    ( -0.0655467   6.72572 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.91 using 59 PHA bins.
# Reduced chi-squared =         0.9256 for     55 degrees of freedom 
# Null hypothesis probability =   6.316875e-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]    : 16.8166  (  )
R^2/D10^2   : 0.497190  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         177.71 using 59 PHA bins.
# Reduced chi-squared =         3.1177 for     57 degrees of freedom 
# Null hypothesis probability =   2.502923e-14
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.872e-08   2.055e-09
25- 50  1.260e-07   5.700e-09
50-150  2.534e-07   1.735e-08
15-150  4.081e-07   1.735e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 26.5875       (-0.96282     0.962705)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          65.76 using 59 PHA bins.
# Reduced chi-squared =          1.154 for     57 degrees of freedom 
# Null hypothesis probability =   1.995252e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.621e-08   2.520e-09
25- 50  1.274e-07   4.950e-09
50-150  2.793e-07   1.095e-08
15-150  4.729e-07   1.840e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.59949        (-1.22878      1.31212)
R1^2/D10^2  : 3.02906        (-1.01208      1.81184)
kT2 [keV]   : 29.0257        (-3.98074      6.28244)
R2^2/D10^2  : 5.60052E-02    (-0.0283108   0.0422121)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.55 using 59 PHA bins.
# Reduced chi-squared =         0.9554 for     55 degrees of freedom 
# Null hypothesis probability =   5.689168e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.005e-08   6.425e-09
25- 50  1.299e-07   1.375e-08
50-150  3.039e-07   4.800e-08
15-150  4.838e-07   5.940e-08
Plot creation:
Tue Jul 23 17:43:47 EDT 2013