batgrbproduct analysis for trigger=805318

batgrbproduct Analysis for Trigger=805318

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Jan 16 14:40:28 EST 2018
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger805318/GCN5_download_cron
======================================================================

  Trigger: 00805318      Segment: 000

  BAT Trigger Time: 537682584   [s; MET]
      Trigger Stop: 537682648   [s; MET]
               UTC: 2018-01-15T04:16:03.681260    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 12.0731321155951   Dec: -15.607820379834  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.76
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    7.76

  Flight Position:   [ source = BAT ]
    RA: 12.0731321155951   Dec: -15.607820379834  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 12.0396682761276   Dec: -15.6323281609371  [deg; J2000]  
        { 00h 48m 09.5s , -15d 37' 56.4" }
         +/- 1.8344796229893 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.677259134189621 [arcmin] (formal 1-sigma fit error)
    SNR: 12.7841362713775
 
  Angular difference between Flight and Ground position is 2.429276 arcmin
 
  Partial Coding Fraction: 0.5703125    [ including projection effects ]

  Duration
     T90: 41.1319999694824 +/- 3.11285851853654
        Measured from: 27.7760001420975
                   to: 68.9080001115799     [s; relative to TRIGTIME]
     T50: 30.7839999198914 +/- 2.89306068287936
        Measured from: 33.6920001506805
                   to: 64.4760000705719     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 30.7519999742508     
                   to: 31.7519999742508     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 26.4919999837875     
                   to: 70.555999994278     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.365358   0.518110   0.274148   0.080486
           0.048920   0.051144   0.044970   0.039769 [error]
 Peak      0.022421   0.026977   0.016515   0.010409
           0.007436   0.007575   0.006594   0.005809 [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 1.24e-07 2.04e-07 2.56e-07 6.36e-07 7.62e-07 1.22e-06   erg/cm2
              Error 2.29e-08 2.39e-08 4.56e-08 2.38e-07 1.06e-07 2.79e-07   erg/cm2
Peak flux Power-law 1.84e-01 1.90e-01 1.39e-01 1.64e-01 5.77e-01 6.77e-01   ph/cm2/s
              Error 1.06e-01 6.53e-02 5.76e-02 1.58e-01 1.81e-01 2.17e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.24e-07 2.04e-07 2.55e-07 6.24e-07 7.60e-07 1.21e-06   erg/cm2
              Error 2.31e-08 2.38e-08 4.28e-08 3.96e-07 1.07e-07 2.88e-07   erg/cm2
Peak flux Cutoff-PL 1.95e-01 1.93e-01 1.34e-01 1.48e-01 5.80e-01 6.68e-01   ph/cm2/s
              Error 1.06e-01 6.58e-02 5.57e-02 1.86e-01 1.81e-01 2.19e-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    1.676    0.218    -      -           1.86e-03 2.42e-04   37.390 57
CPL   1.683    0.219    9999.4   -0.0      1.86e-03 0.00e+00   37.400 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.451    0.644    -      -           4.68e-03 1.50e-03   45.030 57
CPL   2.333    0.649     116.9    0.0      1.59e-03 8.16e-03   44.700 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: 52.544000 sec.
T50 in the 50-300 keV band: 36.480000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   44.064   26.492   70.556
T90    41.132   27.776   68.908
T50    30.784   33.692   64.476
Peak    1.000   30.752   31.752

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   12.0397 -15.6323 0.0152   27.2  129.7       1.2887    12.8  TRIG_00805318       
------------------------------------------
 
Foreground time interval of the image:
 26.492  70.101 (delta_t =  43.609 [sec])
Background time interval of the image:
-239.000 -10.290 (delta_t = 228.710 [sec])
-10.000  26.492 (delta_t =  36.492 [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   26.492 sec. to   70.556 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.67552     ( -0.214367   0.220773 )
Norm@50keV  : 1.86331E-03    ( -0.000245055   0.000239775 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.39 using 59 PHA bins.
# Reduced chi-squared =         0.6560 for     57 degrees of freedom 
# Null hypothesis probability =   9.792509e-01
 
Photon flux (15-150 keV)    in 44.06 sec: 0.245389 ( -0.0287161  0.0287358 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.61692e-07 ( -1.05308e-07  1.07228e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   26.492 sec. to   70.556 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.68259     ( -0.221299   0.216381 )
Epeak [keV] : 9999.36      ( -9999.35 -9999.36 )
Norm@50keV  : 1.85764E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.40 using 59 PHA bins.
# Reduced chi-squared =         0.6678 for     56 degrees of freedom 
# Null hypothesis probability =   9.736184e-01
 
Photon flux (15-150 keV)    in 44.06 sec: 0.245474 ( -0.02883  0.028578 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.59819e-07 ( -1.07379e-07  1.07361e-07 ) ergs/cm2
 
Band function
Time interval is from   26.492 sec. to   70.556 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.20256   ( 1.20882   1.20882 )
beta        : -1.73301    ( 1.7331   0.269325 )
Epeak [keV] : 53.7004      ( -55.0294 -55.0294 )
Norm@50keV   : 3.82295E-03    ( -0.00204797   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          37.33 using 59 PHA bins.
# Reduced chi-squared =         0.6788 for     55 degrees of freedom 
# Null hypothesis probability =   9.673546e-01
 
Photon flux (15-150 keV)    in 44.06 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]    : 11.1453  (-1.56465  1.97262)
R^2/D10^2   : 7.63115E-02  (-0.0344431   0.0575341)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.12 using 59 PHA bins.
# Reduced chi-squared =          1.037 for     57 degrees of freedom 
# Null hypothesis probability =   3.979373e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.749e-08   1.917e-08
25- 50  2.516e-07   3.703e-08
50-150  1.783e-07   5.364e-08
15-150  5.173e-07   8.065e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 149.971       (-66.1437      -148.389)
Norm        : 1.00558       (-0.128734     0.179366)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.80 using 59 PHA bins.
# Reduced chi-squared =         0.6808 for     57 degrees of freedom 
# Null hypothesis probability =   9.689102e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.138e-07   6.061e-08
25- 50  2.109e-07   1.119e-07
50-150  4.163e-07   2.431e-07
15-150  7.410e-07   4.114e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.98793        (-1.65574      1.69934)
R1^2/D10^2  : 0.214655        (-0.10624      0.263594)
kT2 [keV]   : 49.1376        (-22.5427      -49.1375)
R2^2/D10^2  : 4.07270E-04    (-0.000381712   0.00143021)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          35.24 using 59 PHA bins.
# Reduced chi-squared =         0.6407 for     55 degrees of freedom 
# Null hypothesis probability =   9.824692e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.138e-07   4.233e-08
25- 50  2.248e-07   8.407e-08
50-150  4.643e-07   2.429e-07
15-150  8.029e-07   3.155e-07

Peak spectrum fit

Power-law model
Time interval is from   30.752 sec. to   31.752 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.45063     ( -0.660162   0.628201 )
Norm@50keV  : 4.68030E-03    ( -0.0015366   0.00147302 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.03 using 59 PHA bins.
# Reduced chi-squared =         0.7899 for     57 degrees of freedom 
# Null hypothesis probability =   8.744540e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.576867 ( -0.180952  0.181261 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.47824e-08 ( -1.58649e-08  1.64529e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   30.752 sec. to   31.752 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.33318     ( -0.699212   0.59955 )
Epeak [keV] : 116.854      ( -9999.36 -9999.36 )
Norm@50keV  : 1.59361E-03    ( -0.00159269   0.0147318 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.70 using 59 PHA bins.
# Reduced chi-squared =         0.7983 for     56 degrees of freedom 
# Null hypothesis probability =   8.610405e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.580426 ( -0.184171  0.178665 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.43106e-08 ( -1.54249e-08  1.61765e-08 ) ergs/cm2
 
Band function
Time interval is from   30.752 sec. to   31.752 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.98826   ( -4.98826   -4.98826 )
beta        : -1.58885    ( -1.08517   0.747443 )
Epeak [keV] : 25.1327      ( -25.1327 58.5679 )
Norm@50keV   : 470.314    ( -143.613   4.40294e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.78 using 59 PHA bins.
# Reduced chi-squared =         0.8141 for     55 degrees of freedom 
# Null hypothesis probability =   8.359719e-01
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.96427e-08 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 10.3315  (-3.95286  18.4474)
R^2/D10^2   : 0.228278  (-0.222656   1.16311)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.14 using 59 PHA bins.
# Reduced chi-squared =         0.8971 for     57 degrees of freedom 
# Null hypothesis probability =   6.936668e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.014e-09   3.180e-09
25- 50  1.305e-08   8.215e-09
50-150  7.477e-09   5.445e-09
15-150  2.554e-08   1.585e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.354       (-199.359      -199.359)
Norm        : 2.34465       (-0.727313     0.728199)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          45.70 using 59 PHA bins.
# Reduced chi-squared =         0.8017 for     57 degrees of freedom 
# Null hypothesis probability =   8.586388e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.838e-09   3.587e-09
25- 50  1.123e-08   7.215e-09
50-150  2.463e-08   1.508e-08
15-150  4.170e-08   2.550e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.17874        (-2.48963      3.35166)
R1^2/D10^2  : 0.783113        (-0.639962      1.33124)
kT2 [keV]   : 199.361        (-199.363      -199.363)
R2^2/D10^2  : 1.19883E-04    (-5.96945e-05   0.00451365)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.53 using 59 PHA bins.
# Reduced chi-squared =         0.7552 for     55 degrees of freedom 
# Null hypothesis probability =   9.101804e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.804e-09   4.231e-09
25- 50  1.086e-08   7.010e-09
50-150  3.348e-08   1.174e-08
15-150  5.114e-08   1.944e-08
Plot creation:
Tue Jan 16 14:45:53 EST 2018