batgrbproduct analysis for trigger=1013243

batgrbproduct Analysis for Trigger=1013243

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Thu Dec 17 19:18:27 EST 2020
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger1013243/GCN5_download_cron
======================================================================

  Trigger: 01013243      Segment: 000

  BAT Trigger Time: 629852877.888   [s; MET]
      Trigger Stop: 629852878.912   [s; MET]
               UTC: 2020-12-16T23:07:31.722580    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 16.3578584277706   Dec: 16.5367566216723  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    15.28
     Image Trigger?:     NO
     Rate S/N Ratio:     69.3181073024935  [ if not an image trigger ]
     Image S/N Ratio:    15.28

  Flight Position:   [ source = BAT ]
    RA: 16.3578584277706   Dec: 16.5367566216723  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 16.3643731559951   Dec: 16.537891437702  [deg; J2000]  
        { 01h 05m 27.4s , +16d 32' 16.4" }
         +/- 0.840028430186233 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.350971417666289 [arcmin] (formal 1-sigma fit error)
    SNR: 39.0184335820803
 
  Angular difference between Flight and Ground position is 0.380851 arcmin
 
  Partial Coding Fraction: 0.1855469    [ including projection effects ]

  Duration
     T90: 48 +/- 16
        Measured from: -15.8879998922348
                   to: 32.1120001077652     [s; relative to TRIGTIME]
     T50: 16 +/- 16
        Measured from: 0.112000107765198
                   to: 16.1120001077652     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 23.6119999885559     
                   to: 24.6119999885559     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -15.8880000114441     
                   to: 64.1119999885559     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total    12.976018  21.326871  19.884765   7.030034
           0.216053   0.248785   0.236107   0.185804 [error]
 Peak      0.493013   0.714103   0.506268   0.175670
           0.032028   0.037277   0.033539   0.024638 [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 5.63e-06 1.08e-05 1.60e-05 5.08e-05 4.51e-05 8.32e-05   erg/cm2
              Error 2.08e-07 2.36e-07 2.76e-07 2.05e-06 7.30e-07 2.11e-06   erg/cm2
Peak flux Power-law 6.90e+00 6.05e+00 3.64e+00 3.30e+00 1.80e+01 1.99e+01   ph/cm2/s
              Error 7.00e-01 3.84e-01 2.82e-01 5.11e-01 1.13e+00 1.19e+00   ph/cm2/s
 
Fluence   Cutoff-PL 5.42e-06 1.08e-05 1.62e-05 4.46e-05 4.49e-05 7.70e-05   erg/cm2
              Error 2.86e-07 2.40e-07 3.58e-07 4.85e-06 7.54e-07 4.85e-06   erg/cm2
Peak flux Cutoff-PL 6.52e+00 6.23e+00 3.76e+00 2.40e+00 1.78e+01 1.89e+01   ph/cm2/s
              Error 8.49e-01 4.53e-01 3.26e-01 1.15e+00 1.17e+00 1.53e+00   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    1.433    0.030    -      -           5.87e-02 9.94e-04   51.130 57
CPL   1.309    0.121     347.9 2663.0      6.59e-02 5.80e-03   48.110 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.733    0.103    -      -           1.34e-01 8.31e-03   50.040 57
CPL   1.427    0.397      95.7  -32.5      1.91e-01 9.23e-02   48.390 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: 32.192000 sec.
T50 in the 50-300 keV band: 15.232000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   80.000  -15.888   64.112
T90    48.000  -15.888   32.112
T50    16.000    0.112   16.112
Peak    1.000   23.612   24.612

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
   16.3644 +16.5379 0.0049   52.0  -21.6      65.7101    39.0  TRIG_01013243       
------------------------------------------
 
Foreground time interval of the image:
-15.888  64.112 (delta_t =  80.000 [sec])
Background time interval of the image:
-64.787 -15.888 (delta_t =  48.899 [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  -15.888 sec. to   64.112 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.43329     ( -0.0301113   0.0300256 )
Norm@50keV  : 5.86993E-02    ( -0.000994843   0.000993466 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   51.13     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 6.94e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 80 sec: 7.20439 ( -0.145896  0.146455 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.50777e-05 ( -7.30199e-07  7.30242e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -15.888 sec. to   64.112 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.30937     ( -0.124264   0.118406 )
Epeak [keV] : 347.870      ( -141.674 5184.32 )
Norm@50keV  : 6.59025E-02    ( -0.00369718   0.00790171 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   48.11     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.64e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 80 sec: 7.12650 ( -0.16198  0.16313 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.49126e-05 ( -7.5416e-07  7.5312e-07 ) ergs/cm2
 
Band function
Time interval is from  -15.888 sec. to   64.112 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.874822   ( -0.421549   1.48431 )
beta        : -1.48871    ( -0.0613187   0.0506946 )
Epeak [keV] : 86.0846      ( -50.0204 164.289 )
Norm@50keV   : 0.115955    ( -0.0472114   0.656192 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 80 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]    : 20.0707  (  )
R^2/D10^2   : 0.295500  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                  846.40     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 5.09e-141 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.833e-06   6.400e-08
25- 50  9.153e-06   2.520e-07
50-150  2.735e-05   5.880e-07
15-150  3.833e-05   6.520e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 30.7440       (     )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                  163.49     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.21e-12 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.124e-06   1.200e-07
25- 50  1.178e-05   2.320e-07
50-150  2.584e-05   5.320e-07
15-150  4.374e-05   8.040e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.12662        (-0.573042      0.598026)
R1^2/D10^2  : 2.87781        (-0.528577      0.685812)
kT2 [keV]   : 35.0204        (-2.39579      2.96758)
R2^2/D10^2  : 3.50817E-02    (-0.0084624   0.00988207)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   62.07     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.39e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.247e-06   2.564e-07
25- 50  1.135e-05   3.320e-07
50-150  2.882e-05   1.012e-06
15-150  4.442e-05   1.216e-06

Peak spectrum fit

Power-law model
Time interval is from   23.612 sec. to   24.612 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.73317     ( -0.102075   0.103784 )
Norm@50keV  : 0.133985    ( -0.00832631   0.00829025 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   50.04     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.31e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 18.0060 ( -1.13283  1.13515 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.2376e-06 ( -7.92542e-08  7.94503e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   23.612 sec. to   24.612 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.42720     ( -0.439989   0.353318 )
Epeak [keV] : 95.7272      ( -30.7162 -95.729 )
Norm@50keV  : 0.190742    ( -0.0617277   0.122868 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   48.39     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.55e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 17.7733 ( -1.1703  1.1726 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.22036e-06 ( 0  0 ) ergs/cm2
 
Band function
Time interval is from   23.612 sec. to   24.612 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.792439   ( -0.805262   3.25346 )
beta        : -1.88733    ( 1.89162   0.192003 )
Epeak [keV] : 48.7879      ( -22.0445 125.913 )
Norm@50keV   : 0.481052    ( -0.49898   98.1845 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.21541e-06 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.5389  (  )
R^2/D10^2   : 2.81772  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                  117.91     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.88e-06 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.094e-07   1.296e-08
25- 50  3.932e-07   2.890e-08
50-150  4.663e-07   5.430e-08
15-150  9.689e-07   7.350e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 133.419       (-29.6262      40.7465)
Norm        : 75.0724       (-5.57309     6.62841)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   48.63     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.77e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.918e-07   1.765e-08
25- 50  3.506e-07   3.045e-08
50-150  6.650e-07   2.028e-07
15-150  1.207e-06   2.411e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.82352        (-1.36312      1.40992)
R1^2/D10^2  : 14.8264        (-6.09556      13.1)
kT2 [keV]   : 28.4825        (-6.07094      12.0167)
R2^2/D10^2  : 0.129466    (-0.0909511   0.199755)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   49.88     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 6.70e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.783e-07   3.350e-08
25- 50  3.738e-07   6.365e-08
50-150  6.634e-07   2.365e-07
15-150  1.216e-06   3.453e-07
Plot creation:
Thu Dec 17 19:22:55 EST 2020