batgrbproduct Analysis for Trigger=618134

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Nov 10 10:06:08 EST 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger618134/GCN5_download_cron
======================================================================

  Trigger: 00618134      Segment: 000

  BAT Trigger Time: 437283848   [s; MET]
      Trigger Stop: 437283912   [s; MET]
               UTC: 2014-11-10T03:43:55.232260    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 135.603777938225   Dec: -40.3467837768642  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.87
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    9.87

  Flight Position:   [ source = BAT ]
    RA: 135.603777938225   Dec: -40.3467837768642  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 135.595558841166   Dec: -40.4483807217399  [deg; J2000]  
        { 09h 02m 22.9s , -40d 26' 54.2" }
         +/- nan [arcmin] (estimated 90% radius based on SNR)
         +/- 1.10502046620465 [arcmin] (formal 1-sigma fit error)
    SNR: -8.70931041810645
 
  Angular difference between Flight and Ground position is 6.107375 arcmin
 
  Partial Coding Fraction: 0.984375    [ including projection effects ]

  Duration
     T90: 53.1840000152588 +/- 7.93064334482733
        Measured from: 44.7040001153946
                   to: 97.8880001306534     [s; relative to TRIGTIME]
     T50: 25.3440000414848 +/- 10.0651064131196
        Measured from: 57.0560001134872
                   to: 82.4000001549721     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 61.4520000219345     
                   to: 62.4520000219345     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 41.3759999871254     
                   to: 99.2960000038147     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.123746   0.145661  -0.065341   0.006621
           0.044595   0.044860   0.037639   0.032299 [error]
 Peak      0.014298   0.008926   0.010057   0.004048
           0.005832   0.005893   0.005108   0.004299 [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 4.58e-08 2.82e-08 1.12e-08 5.97e-09 8.83e-08 9.14e-08   erg/cm2
              Error 1.92e-08 2.10e-08 1.73e-08 2.15e-08 5.37e-08 6.42e-08   erg/cm2
Peak flux Power-law 1.16e-01 8.03e-02 3.64e-02 2.30e-02 2.44e-01 2.56e-01   ph/cm2/s
              Error 8.14e-02 6.33e-02 3.88e-02 5.22e-02 1.36e-01 1.47e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.77e-08 3.60e-08 4.77e-09 4.59e-11 8.79e-08 8.81e-08   erg/cm2
              Error 2.15e-08 2.97e-08 -------- 5.00e-09 4.52e-08 5.24e-08   erg/cm2
Peak flux Cutoff-PL 1.12e-01 8.61e-02 3.63e-02 1.12e-02 2.42e-01 2.45e-01   ph/cm2/s
              Error 1.00e-01 6.39e-02 4.09e-02 5.14e-02 1.36e-01 1.47e-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    3.332    1.432    -      -           1.07e-04 1.26e-04   51.090 57
CPL   0.870    0.000      13.6    0.0      5.95e-03 0.00e+00   50.240 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.141    1.448    -      -           1.52e-03 1.24e-03   48.820 57
CPL   1.569    0.000      32.2    0.0      3.21e-03 0.00e+00   48.780 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   57.920   41.376   99.296
T90    53.184   44.704   97.888
T50    25.344   57.056   82.400
Peak    1.000   61.452   62.452

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  135.5956 -40.4484 0.0221   19.2  176.3      -0.6233    -8.7  TRIG_00618134       
------------------------------------------
 
Foreground time interval of the image:
 41.376  73.501 (delta_t =  32.125 [sec])
Background time interval of the image:
-18.499  41.376 (delta_t =  59.875 [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   41.376 sec. to   99.296 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 3.33179     ( -0.994242   1.86992 )
Norm@50keV  : 1.07082E-04    ( -0.000106793   0.000145506 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.09 using 59 PHA bins.
# Reduced chi-squared =         0.8963 for     57 degrees of freedom 
# Null hypothesis probability =   6.953611e-01
 
Photon flux (15-150 keV)    in 57.92 sec: 3.78435E-02 ( -0.0168574  0.017264 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.82585e-08 ( -4.73358e-08  6.01268e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   41.376 sec. to   99.296 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.870416     (     )
Epeak [keV] : 13.6061      (   )
Norm@50keV  : 5.94684E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.24 using 59 PHA bins.
# Reduced chi-squared =         0.8971 for     56 degrees of freedom 
# Null hypothesis probability =   6.916828e-01
 
Photon flux (15-150 keV)    in 57.92 sec: 3.97196E-02 ( -0.0165302  0.0165334 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.78531e-08 ( -4.19125e-08  4.84906e-08 ) ergs/cm2
 
Band function
Time interval is from   41.376 sec. to   99.296 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.976004   ( -6.95603   0.943279 )
beta        : -9.37167    ( 9.37167   19.371 )
Epeak [keV] : 12.9442      ( -10.5505 16.4302 )
Norm@50keV   : 4.97783E-03    ( -0.00611701   609711 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.25 using 59 PHA bins.
# Reduced chi-squared =         0.9137 for     55 degrees of freedom 
# Null hypothesis probability =   6.563149e-01
 
Photon flux (15-150 keV)    in 57.92 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]    : 5.63471  (-2.44313  2.48385)
R^2/D10^2   : 0.206817  (-0.206817   2.79436)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.43 using 59 PHA bins.
# Reduced chi-squared =         0.8847 for     57 degrees of freedom 
# Null hypothesis probability =   7.183864e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.591e-08   2.720e-08
25- 50  3.981e-08   2.710e-08
50-150  2.798e-09   2.832e-09
15-150  8.852e-08   5.809e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 15.3161       (-8.9944      19.6453)
Norm        : 0.692050       (-0.43991     2.51916)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.32 using 59 PHA bins.
# Reduced chi-squared =         0.8827 for     57 degrees of freedom 
# Null hypothesis probability =   7.221556e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.771e-08   2.948e-08
25- 50  3.319e-08   2.228e-08
50-150  6.098e-09   7.060e-09
15-150  8.700e-08   5.917e-08
Double BB
R1^2/D10^2  : 94.7827        (      )
kT2 [keV]   : 6.52625        (-2.75975      -6.44598)
R2^2/D10^2  : 9.21429E-02    (   )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.53 using 59 PHA bins.
#Fit statistic : Chi-Squared =          49.50 using 59 PHA bins.
#Fit statistic : Chi-Squared =          49.47 using 59 PHA bins.
# Reduced chi-squared =         0.9006 for     55 degrees of freedom 
# Reduced chi-squared =         0.8999 for     55 degrees of freedom 
# Reduced chi-squared =         0.8995 for     55 degrees of freedom 
# Null hypothesis probability =   6.827609e-01
# Null hypothesis probability =   6.841413e-01
# Null hypothesis probability =   6.850198e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.538e-08   2.319e-08
25- 50  3.960e-08   2.474e-08
50-150  5.297e-09   3.718e-09
15-150  9.029e-08   5.780e-08

Peak spectrum fit

Power-law model
Time interval is from   61.452 sec. to   62.452 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.14090     ( -1.04914   1.84705 )
Norm@50keV  : 1.51988E-03    ( -0.00127559   0.00119772 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.82 using 59 PHA bins.
# Reduced chi-squared =         0.8565 for     57 degrees of freedom 
# Null hypothesis probability =   7.711496e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.244059 ( -0.135933  0.136142 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.41827e-08 ( -9.50236e-09  1.11223e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   61.452 sec. to   62.452 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.56859     (     )
Epeak [keV] : 32.1650      (   )
Norm@50keV  : 3.21085E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.78 using 59 PHA bins.
# Reduced chi-squared =         0.8710 for     56 degrees of freedom 
# Null hypothesis probability =   7.423129e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.241695 ( -0.134844  0.136993 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.36364e-08 ( -8.99106e-09  9.0283e-09 ) ergs/cm2
 
Band function
Time interval is from   61.452 sec. to   62.452 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 5.00000   ( -5   -5 )
beta        : -2.19863    ( -3.06902   1.08525 )
Epeak [keV] : 16.7397      ( -16.3074 31.3098 )
Norm@50keV   : 4317.19    ( -2367.39   1.09809e+07 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.76 using 59 PHA bins.
# Reduced chi-squared =         0.8865 for     55 degrees of freedom 
# Null hypothesis probability =   7.105596e-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]    : 10.4812  (-10.4864  9.85815)
R^2/D10^2   : 9.77978E-02  (-0.0975889   9.75267)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.49 using 59 PHA bins.
# Reduced chi-squared =         0.8683 for     57 degrees of freedom 
# Null hypothesis probability =   7.495905e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.220e-09   1.554e-09
25- 50  5.889e-09   4.032e-09
50-150  3.516e-09   3.038e-09
15-150  1.162e-08   8.580e-09
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 54.1853       (-54.1853      -54.1853)
Norm        : 1.34354       (-0.743209     0.75669)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          48.79 using 59 PHA bins.
# Reduced chi-squared =         0.8560 for     57 degrees of freedom 
# Null hypothesis probability =   7.721169e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.342e-09   2.553e-09
25- 50  4.934e-09   4.431e-09
50-150  5.157e-09   9.360e-09
15-150  1.343e-08   1.580e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 2.74908        (-2.64534      14.9406)
R1^2/D10^2  : 20.3941        (-22.1194      -22.1194)
kT2 [keV]   : 13.2111        (-7.06427      -13.2032)
R2^2/D10^2  : 3.44052E-02    (-0.0344206   0.604295)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          47.99 using 59 PHA bins.
# Reduced chi-squared =         0.8725 for     55 degrees of freedom 
# Null hypothesis probability =   7.372822e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.443e-09   1.664e-09
25- 50  4.692e-09   3.146e-09
50-150  4.969e-09   4.113e-09
15-150  1.310e-08   8.210e-09
Plot creation:
Mon Nov 10 10:08:28 EST 2014