batgrbproduct analysis for trigger=814329

batgrbproduct Analysis for Trigger=814329

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Fri Mar 16 09:33:52 EDT 2018
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger814329/GCN5_download_cron
======================================================================

  Trigger: 00814329      Segment: 000

  BAT Trigger Time: 542765134.72   [s; MET]
      Trigger Stop: 542765136.768   [s; MET]
               UTC: 2018-03-15T00:05:14.095080    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 275.07144888619   Dec: 7.19769698504676  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    8
     Image Trigger?:     NO
     Rate S/N Ratio:     10.6301458127346  [ if not an image trigger ]
     Image S/N Ratio:    8

  Flight Position:   [ source = BAT ]
    RA: 275.07144888619   Dec: 7.19769698504676  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 275.18923469792   Dec: 7.1796492319448  [deg; J2000]  
        { 18h 20m 45.4s , +07d 10' 46.7" }
         +/- 4.10249682293314 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.50083000352551 [arcmin] (formal 1-sigma fit error)
    SNR: 4.04888238136599
 
  Angular difference between Flight and Ground position is 7.094723 arcmin
 
  Partial Coding Fraction: 0.640625    [ including projection effects ]

  Duration
     T90: 640 +/- 605.52126304532
        Measured from: -175.719999909401
                   to: 464.280000090599     [s; relative to TRIGTIME]
     T50: 160 +/- 973.242004847715
        Measured from: -175.719999909401
                   to: -15.7199999094009     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 7.77999997138977     
                   to: 8.77999997138977     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -175.72000002861     
                   to: 928.27999997139     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total    13.300221  18.603763  13.152254   2.872571
           0.284126   0.290581   0.247105   0.205667 [error]
 Peak      0.017946   0.028835   0.006105   0.003580
           0.008513   0.008727   0.007179   0.005854 [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 4.67e-06 7.95e-06 1.03e-05 2.71e-05 3.04e-05 5.00e-05   erg/cm2
              Error 2.06e-07 2.02e-07 2.75e-07 1.66e-06 6.75e-07 1.79e-06   erg/cm2
Peak flux Power-law 1.92e-01 1.61e-01 9.15e-02 7.73e-02 4.78e-01 5.21e-01   ph/cm2/s
              Error 1.14e-01 6.96e-02 5.60e-02 1.03e-01 2.07e-01 2.28e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.26e-06 8.11e-06 1.06e-05 1.71e-05 2.96e-05 4.00e-05   erg/cm2
              Error 2.68e-07 2.18e-07 3.09e-07 3.49e-06 7.66e-07 3.56e-06   erg/cm2
Peak flux Cutoff-PL 1.58e-01 2.26e-01 6.46e-02 1.69e-03 4.50e-01 4.50e-01   ph/cm2/s
              Error 1.31e-01 8.33e-02 7.30e-02 7.42e-02 2.00e-01 2.01e-01   ph/cm2/s
 
Fluence        Band 4.05e-06 8.23e-06 1.04e-05 2.32e-05 2.95e-05 4.59e-05   erg/cm2
              Error 3.34e-07 2.63e-07 3.16e-07 -------- 7.54e-07 --------   erg/cm2
Peak flux      Band 5.26e-01 6.36e-01 3.23e-01 5.91e-02 1.53e+00 1.54e+00   ph/cm2/s
              Error 1.48e-01 1.08e-01 -------- -------- 2.31e-01 --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.624    0.041    -      -           2.95e-03 6.38e-05   69.060 57
CPL   1.254    0.175     110.1   33.0      4.35e-03 7.90e-04   55.010 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.813    0.748    -      -           3.45e-03 1.71e-03   79.240 57
CPL  -1.173    5.506      39.6    0.0      2.39e-01 0.00e+00   77.660 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: 6.272000 sec.
T50 in the 50-300 keV band: 3.072000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100 1104.000 -175.720  928.280
T90   640.000 -175.720  464.280
T50   160.000 -175.720  -15.720
Peak    1.000    7.780    8.780

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  275.1892  +7.1796 0.0474   27.3   39.9       9.1611     4.0  TRIG_00814329       
------------------------------------------
 
Foreground time interval of the image:
-175.720 611.460 (delta_t = 787.180 [sec])
612.280 928.280 (delta_t = 316.000 [sec])
Background time interval of the image:
-239.720 -175.720 (delta_t =  64.000 [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
-175.720000 611.460000
612.280000 928.280000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.62360     ( -0.041468   0.0414822 )
Norm@50keV  : 2.95067E-03    ( -6.38269e-05   6.38259e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          69.06 using 59 PHA bins.
# Reduced chi-squared =          1.212 for     57 degrees of freedom 
# Null hypothesis probability =   1.312946e-01
 
Photon flux (15-150 keV)    in 1103 sec: 0.381999 ( -0.00956022  0.00959706 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.03537e-05 ( -6.74612e-07  6.75054e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
-175.720000 611.460000
612.280000 928.280000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.25402     ( -0.178311   0.171576 )
Epeak [keV] : 110.086      ( -19.0788 46.9941 )
Norm@50keV  : 4.35481E-03    ( -0.000703423   0.000876013 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.01 using 59 PHA bins.
# Reduced chi-squared =         0.9823 for     56 degrees of freedom 
# Null hypothesis probability =   5.123703e-01
 
Photon flux (15-150 keV)    in 1103 sec: 0.370232 ( -0.010761  0.010827 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.95812e-05 ( -7.67136e-07  7.64048e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
-175.720000 611.460000
612.280000 928.280000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.888895   ( -0.493156   1.12141 )
beta        : -1.78454    ( 1.78384   0.101348 )
Epeak [keV] : 67.5064      ( -26.6131 63.6427 )
Norm@50keV   : 7.12950E-03    ( -0.00333219   0.0343144 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.33 using 59 PHA bins.
# Reduced chi-squared =         0.9696 for     55 degrees of freedom 
# Null hypothesis probability =   5.387458e-01
 
Photon flux (15-150 keV)    in 1103 sec: 0.366206 ( 6.63379  -0.011432 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.95279e-05 ( -2.95201e-05  -7.5368e-07 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 15.7977  (  )
R^2/D10^2   : 3.34651E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         434.94 using 59 PHA bins.
# Reduced chi-squared =         7.6305 for     57 degrees of freedom 
# Null hypothesis probability =   1.357880e-59
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.910e-06   8.272e-08
25- 50  7.949e-06   2.327e-07
50-150  1.380e-05   5.405e-07
15-150  2.366e-05   5.791e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 182.308       (-21.1629      -182.018)
Norm        : 1.53313       (-0.0398244     0.0436476)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.82 using 59 PHA bins.
# Reduced chi-squared =         0.9617 for     57 degrees of freedom 
# Null hypothesis probability =   5.574180e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.258e-06   2.101e-07
25- 50  8.103e-06   4.638e-07
50-150  1.724e-05   3.708e-06
15-150  2.960e-05   4.098e-06
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.94328        (-0.65104      0.675344)
R1^2/D10^2  : 0.253915        (-0.0593278      0.0847881)
kT2 [keV]   : 27.4291        (-2.314      2.94798)
R2^2/D10^2  : 3.55523E-03    (-0.00112181   0.00142732)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.95 using 59 PHA bins.
# Reduced chi-squared =          1.054 for     55 degrees of freedom 
# Null hypothesis probability =   3.668610e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.665e-06   2.791e-07
25- 50  8.383e-06   4.098e-07
50-150  1.722e-05   1.070e-06
15-150  2.927e-05   1.390e-06

Peak spectrum fit

Power-law model
Time interval is from    7.780 sec. to    8.780 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.81275     ( -0.706953   0.790039 )
Norm@50keV  : 3.45036E-03    ( -0.00174377   0.00167923 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          79.24 using 59 PHA bins.
# Reduced chi-squared =          1.390 for     57 degrees of freedom 
# Null hypothesis probability =   2.736063e-02
 
Photon flux (15-150 keV)    in 1 sec: 0.477809 ( -0.207035  0.207365 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.17597e-08 ( -1.53211e-08  1.6447e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    7.780 sec. to    8.780 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -1.17296     ( -7.64159   3.36946 )
Epeak [keV] : 39.5926      (   )
Norm@50keV  : 0.238958    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          77.66 using 59 PHA bins.
# Reduced chi-squared =          1.387 for     56 degrees of freedom 
# Null hypothesis probability =   2.930469e-02
 
Photon flux (15-150 keV)    in 1 sec: 0.450227 ( -0.196659  0.203434 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.45681e-08 ( -1.10563e-08  1.09216e-08 ) ergs/cm2
 
Band function
Time interval is from    7.780 sec. to    8.780 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.22928   ( -4.18155   -4.18155 )
beta        : -2.39388    ( 5.38178   15.2066 )
Epeak [keV] : 28.2160      ( -27.4593 65.6735 )
Norm@50keV   : 78.7221    ( -78.5951   51.3154 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          77.32 using 59 PHA bins.
# Reduced chi-squared =          1.406 for     55 degrees of freedom 
# Null hypothesis probability =   2.525813e-02
 
Photon flux (15-150 keV)    in 1 sec: 1.53456 ( 5.46544  -0.23431 ) 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]    : 10.0869  (-3.30564  5.07278)
R^2/D10^2   : 0.242649  (-0.242649   0.827598)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          77.66 using 59 PHA bins.
# Reduced chi-squared =          1.362 for     57 degrees of freedom 
# Null hypothesis probability =   3.583067e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.043e-09   3.339e-09
25- 50  1.269e-08   8.010e-09
50-150  6.791e-09   5.705e-09
15-150  2.452e-08   1.566e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 76.3897       (-76.3897      -76.3897)
Norm        : 2.34380       (-1.15216     2.205)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          78.68 using 59 PHA bins.
# Reduced chi-squared =          1.380 for     57 degrees of freedom 
# Null hypothesis probability =   3.010013e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.062e-09   3.886e-09
25- 50  9.866e-09   6.490e-09
50-150  1.349e-08   1.340e-08
15-150  2.942e-08   2.082e-08
Double BB
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 200.000        (-200      -200)
R1^2/D10^2  : 2.80187E-05        (-2.80127e-05      -2.80127e-05)
kT2 [keV]   : 9.45278        (-2.70263      5.10097)
R2^2/D10^2  : 0.294553    (-0.237723   0.635477)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          77.65 using 59 PHA bins.
#Fit statistic : Chi-Squared =          77.21 using 59 PHA bins.
# Reduced chi-squared =          1.412 for     55 degrees of freedom 
# Reduced chi-squared =          1.404 for     55 degrees of freedom 
# Null hypothesis probability =   2.380570e-02
# Null hypothesis probability =   2.575326e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.075e-09   1.137e-05
25- 50  1.267e-08   1.311e-04
50-150  6.922e-09   2.846e-03
15-150  2.466e-08   2.926e-03
Plot creation:
Fri Mar 16 09:39:24 EDT 2018