batgrbproduct analysis for trigger=1014316

batgrbproduct Analysis for Trigger=1014316

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Wed Dec 23 18:49:20 EST 2020
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger1014316/GCN5_download_cron
======================================================================

  Trigger: 01014316      Segment: 000

  BAT Trigger Time: 630439133.184   [s; MET]
      Trigger Stop: 630439134.208   [s; MET]
               UTC: 2020-12-23T17:58:26.979800    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 132.848608736818   Dec: 71.1738904183058  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.13
     Image Trigger?:     NO
     Rate S/N Ratio:     15.1986841535707  [ if not an image trigger ]
     Image S/N Ratio:    8.13

  Flight Position:   [ source = BAT ]
    RA: 132.848608736818   Dec: 71.1738904183058  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 132.734702333939   Dec: 71.1763691975358  [deg; J2000]  
        { 08h 50m 56.3s , +71d 10' 34.9" }
         +/- 1.35221546255836 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.477933067377817 [arcmin] (formal 1-sigma fit error)
    SNR: 19.7655978321549
 
  Angular difference between Flight and Ground position is 2.210305 arcmin
 
  Partial Coding Fraction: 0.53125    [ including projection effects ]

  Duration
     T90: 29 +/- 6.70820393249937
        Measured from: -23.1839998960495
                   to: 5.8160001039505     [s; relative to TRIGTIME]
     T50: 14 +/- 8.06225774829855
        Measured from: -12.1839998960495
                   to: 1.8160001039505     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.184000015258789     
                   to: 0.815999984741211     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -25.1840000152588     
                   to: 7.81599998474121     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.482480   0.725969   0.710125   0.071475
           0.051634   0.054380   0.048342   0.040039 [error]
 Peak      0.027106   0.072684   0.086293   0.033072
           0.009557   0.010632   0.010598   0.008094 [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 1.52e-07 3.08e-07 4.84e-07 1.68e-06 1.35e-06 2.63e-06   erg/cm2
              Error 2.09e-08 2.58e-08 4.58e-08 3.46e-07 1.14e-07 3.78e-07   erg/cm2
Peak flux Power-law 3.00e-01 4.39e-01 4.78e-01 9.75e-01 1.52e+00 2.19e+00   ph/cm2/s
              Error 9.47e-02 8.80e-02 7.65e-02 3.17e-01 2.43e-01 3.73e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.31e-07 3.28e-07 5.14e-07 6.70e-07 1.29e-06 1.64e-06   erg/cm2
              Error 2.60e-08 3.11e-08 5.31e-08 4.73e-07 1.24e-07 4.80e-07   erg/cm2
Peak flux Cutoff-PL 2.04e-01 4.63e-01 5.63e-01 3.70e-01 1.46e+00 1.60e+00   ph/cm2/s
              Error 1.09e-01 1.05e-01 1.03e-01 2.96e-01 2.45e-01 3.74e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 2.27e-01 4.61e-01 5.47e-01 4.46e-01 1.49e+00 1.68e+00   ph/cm2/s
              Error -------- -------- 1.03e-01 -------- -------- --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.347    0.130    -      -           4.18e-03 3.21e-04   66.220 57
CPL   0.604    0.607      99.2   79.1      9.50e-03 6.90e-03   61.000 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.877    0.248    -      -           1.32e-02 2.12e-03   57.170 57
CPL  -0.478    1.233     109.0   94.0      5.01e-02 7.90e-02   52.110 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: 8.000000 sec.
T50 in the 50-300 keV band: 4.800000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   33.000  -25.184    7.816
T90    29.000  -23.184    5.816
T50    14.000  -12.184    1.816
Peak    1.000   -0.184    0.816

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  132.7347 +71.1764 0.0097   25.1   91.8       2.1223    19.8  TRIG_01014316       
------------------------------------------
 
Foreground time interval of the image:
-25.184   7.816 (delta_t =  33.000 [sec])
Background time interval of the image:
-239.184 -217.824 (delta_t =  21.360 [sec])
-216.184 -30.114 (delta_t = 186.070 [sec])
-29.184 -25.184 (delta_t =   4.000 [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
Time interval is from  -25.184 sec. to    7.816 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.34661     ( -0.130608   0.130389 )
Norm@50keV  : 4.17793E-03    ( -0.000320964   0.000320759 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   66.22     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.89e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 33 sec: 0.502970 ( -0.0396297  0.0396962 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.34759e-06 ( -1.13861e-07  1.14534e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -25.184 sec. to    7.816 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.603868     ( -0.650237   0.564273 )
Epeak [keV] : 99.2305      ( -24.2141 133.938 )
Norm@50keV  : 9.49970E-03    ( -0.00433092   0.0094688 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   61.00     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 3.01e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 33 sec: 0.486261 ( -0.041873  0.041678 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.28724e-06 ( -1.23836e-07  1.24205e-07 ) ergs/cm2
 
Band function
Time interval is from  -25.184 sec. to    7.816 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.578256   ( -0.58305   0.763946 )
beta        : -2.19502    ( 2.20166   0.741251 )
Epeak [keV] : 96.6630      ( -32.177 94.0507 )
Norm@50keV   : 9.82052E-03    ( -0.00463878   0.0146688 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 33 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]    : 17.1867  (-1.49839  1.681)
R^2/D10^2   : 3.76116E-02  (-0.010324   0.0138543)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   80.30     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.27e-02 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.444e-08   1.158e-08
25- 50  3.322e-07   3.729e-08
50-150  7.031e-07   9.471e-08
15-150  1.110e-06   1.137e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-25.8453      -200)
Norm        : 2.09078       (-0.160559     0.160559)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   70.18     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 1.13e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.718e-07   1.554e-08
25- 50  3.306e-07   3.226e-08
50-150  7.250e-07   2.273e-07
15-150  1.227e-06   2.836e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.05744        (-1.89454      2.93692)
R1^2/D10^2  : 1.10246        (-0.875702      4.45778)
kT2 [keV]   : 20.8922        (-2.72415      4.69272)
R2^2/D10^2  : 1.75017E-02    (-0.00955408   0.0118268)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   60.23     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 2.92e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.403e-07   5.996e-08
25- 50  3.068e-07   8.169e-08
50-150  7.979e-07   1.601e-07
15-150  1.245e-06   2.237e-07

Peak spectrum fit

Power-law model
Time interval is from   -0.184 sec. to    0.816 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.876725     ( -0.254274   0.241427 )
Norm@50keV  : 1.32136E-02    ( -0.00213362   0.002115 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   57.17     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.69e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 1.51649 ( -0.242779  0.243833 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.49656e-07 ( -2.43297e-08  2.44569e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.184 sec. to    0.816 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.477919     ( -1.40364   1.06198 )
Epeak [keV] : 108.951      ( -28.8583 159.073 )
Norm@50keV  : 5.01423E-02    ( -0.03195   0.126007 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   52.11     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 6.23e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 1.46354 ( -0.24435  0.2465 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.44077e-07 ( -2.5717e-08  2.5627e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.184 sec. to    0.816 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.479695   ( -0.81371   1.78753 )
beta        : -10.0000    ( 10   1.77636e-15 )
Epeak [keV] : 108.877      ( -22.8044 158.542 )
Norm@50keV   : 5.02298E-02    ( -0.0320386   0.126001 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 1 sec: 1.48738 (    ) 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]    : 23.5832  (-3.98387  5.16073)
R^2/D10^2   : 4.74941E-02  (-0.021779   0.0372922)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   53.37     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 6.12e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.728e-09   1.361e-09
25- 50  2.601e-08   7.340e-09
50-150  1.079e-07   2.901e-08
15-150  1.387e-07   3.014e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-33.2704      -200)
Norm        : 6.01961       (-1.01494     1.01494)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   75.52     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 5.08e-02 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.499e-08   8.715e-09
25- 50  2.884e-08   1.670e-08
50-150  6.325e-08   3.617e-08
15-150  1.071e-07   6.140e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 10.1259        (-10.1279      -10.1279)
R1^2/D10^2  : 0.198444        (-0.199005      -0.199005)
kT2 [keV]   : 29.1751        (-29.2073      -29.2073)
R2^2/D10^2  : 2.09916E-02    (-0.0209142   0.0454833)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   51.55     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 6.07e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.004e-09   3.917e-09
25- 50  2.786e-08   1.567e-08
50-150  1.110e-07   6.170e-08
15-150  1.459e-07   8.005e-08
Plot creation:
Wed Dec 23 18:51:51 EST 2020