batgrbproduct analysis for trigger=1032024

batgrbproduct Analysis for Trigger=1032024

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Thu Feb 11 09:15:27 EST 2021
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1032024/batgroup_hand_proc
======================================================================

  Trigger: 01032024      Segment: 000

  BAT Trigger Time: 634725824.832   [s; MET]
      Trigger Stop: 634725825.344   [s; MET]
               UTC: 2021-02-11T08:43:18.344500    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 269.432936029963   Dec: -46.2994226377339  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.09
     Image Trigger?:     NO
     Rate S/N Ratio:     13.7477270848675  [ if not an image trigger ]
     Image S/N Ratio:    7.09

  Flight Position:   [ source = BAT ]
    RA: 269.432936029963   Dec: -46.2994226377339  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 269.408408771969   Dec: -46.2697354210834  [deg; J2000]  
        { 17h 57m 38.0s , -46d 16' 11.0" }
         +/- 1.44997439324512 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.641693450614146 [arcmin] (formal 1-sigma fit error)
    SNR: 17.8897231242835
 
  Angular difference between Flight and Ground position is 2.051123 arcmin
 
  Partial Coding Fraction: 1    [ including projection effects ]

  Duration
     T90: 6.09599995613098 +/- 0.598815550288031
        Measured from: -0.444000005722046
                   to: 5.65199995040894     [s; relative to TRIGTIME]
     T50: 3.59599995613098 +/- 0.515193198710622
        Measured from: 0.927999973297119
                   to: 4.5239999294281     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 4.27999997138977     
                   to: 5.27999997138977     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.700000047683716     
                   to: 5.89999997615814     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.124935   0.215182   0.208603   0.053057
           0.018435   0.017857   0.015773   0.012948 [error]
 Peak      0.030651   0.052803   0.040549   0.014592
           0.007397   0.007430   0.006600   0.005320 [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 3.48e-08 8.24e-08 1.55e-07 7.09e-07 4.21e-07 9.81e-07   erg/cm2
              Error 6.18e-09 8.58e-09 1.49e-08 1.60e-07 3.86e-08 1.67e-07   erg/cm2
Peak flux Power-law 2.85e-01 3.32e-01 2.79e-01 3.95e-01 1.04e+00 1.29e+00   ph/cm2/s
              Error 8.47e-02 6.01e-02 5.19e-02 1.57e-01 1.67e-01 2.14e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.39e-08 8.31e-08 1.57e-07 6.06e-07 4.18e-07 8.80e-07   erg/cm2
              Error 7.49e-09 9.18e-09 1.69e-08 2.68e-07 4.09e-08 2.77e-07   erg/cm2
Peak flux Cutoff-PL 2.69e-01 3.40e-01 2.86e-01 2.84e-01 1.02e+00 1.18e+00   ph/cm2/s
              Error 9.91e-02 6.85e-02 5.91e-02 2.42e-01 1.74e-01 2.93e-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    1.086    0.155    -      -           6.07e-03 5.17e-04   50.960 57
CPL   0.973    0.405     503.5    0.0      6.83e-03 3.52e-03   50.850 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.253    0.278    -      -           8.77e-03 1.38e-03   46.630 57
CPL   0.971    1.194     189.3    0.0      1.21e-02 2.12e-02   46.430 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: 3.520000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    6.600   -0.700    5.900
T90     6.096   -0.444    5.652
T50     3.596    0.928    4.524
Peak    1.000    4.280    5.280

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  269.4084 -46.2697 0.0108   14.6  -22.5       0.6165    17.9  TRIG_01032024       
------------------------------------------
 
Foreground time interval of the image:
 -0.700   5.900 (delta_t =   6.600 [sec])
Background time interval of the image:
-239.832  -0.700 (delta_t = 239.132 [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   -0.700 sec. to    5.900 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.08623     ( -0.156925   0.153385 )
Norm@50keV  : 6.07219E-03    ( -0.000517409   0.000516162 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   50.96     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.00e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 6.6 sec: 0.703423 ( -0.0620892  0.0623668 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.20873e-07 ( -3.84577e-08  3.86573e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.700 sec. to    5.900 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.972903     ( -0.624725   0.185013 )
Epeak [keV] : 503.454      ( -520.524 -520.524 )
Norm@50keV  : 6.82824E-03    ( -0.00116324   0.0058712 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   50.85     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 6.70e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 6.6 sec: 0.699456 ( -0.065113  0.064781 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.18406e-07 ( -4.12421e-08  4.04989e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.700 sec. to    5.900 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 9.61743E-02   ( 0.55088   0.55088 )
beta        : -1.15103    ( 1.13479   0.18891 )
Epeak [keV] : 58.0146      ( -57.5624 163.672 )
Norm@50keV   : 3.43467E-02    ( -0.0361816   134.264 )
------------------------------------------------------------
 
Photon flux (15-150 keV)    in 6.6 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]    : 21.3321  (-2.47309  2.93988)
R^2/D10^2   : 2.66087E-02  (-0.00895961   0.0130189)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   76.69     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.20e-02 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.500e-08   2.713e-09
25- 50  7.783e-08   1.070e-08
50-150  2.643e-07   3.970e-08
15-150  3.571e-07   4.353e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-17.2651      -200)
Norm        : 2.93589       (-0.25535     0.25535)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   76.47     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 4.36e-02 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.826e-08   9.233e-09
25- 50  9.284e-08   3.104e-08
50-150  2.036e-07   1.086e-07
15-150  3.447e-07   1.337e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.44522        (-2.32559      3.20374)
R1^2/D10^2  : 0.304206        (-0.183276      0.548851)
kT2 [keV]   : 36.0274        (-9.13209      28.1617)
R2^2/D10^2  : 4.31794E-03    (-0.00335355   0.00647631)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   49.95     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 6.67e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.201e-08   1.737e-08
25- 50  8.548e-08   3.881e-08
50-150  2.991e-07   1.508e-07
15-150  4.166e-07   1.783e-07

Peak spectrum fit

Power-law model
Time interval is from    4.280 sec. to    5.280 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.25306     ( -0.281045   0.275589 )
Norm@50keV  : 8.76751E-03    ( -0.00137676   0.00137503 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   46.63     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.35e-01 with 57 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 1.03748 ( -0.166718  0.167178 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.76742e-08 ( -1.53069e-08  1.55244e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    4.280 sec. to    5.280 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.970829     ( -1.29495   1.09257 )
Epeak [keV] : 189.334      ( -189.335 -189.335 )
Norm@50keV  : 1.20652E-02    ( -0.00457095   0.0377895 )
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   46.43     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 8.15e-01 with 56 degrees of freedom
 
Photon flux (15-150 keV)    in 1 sec: 1.02474 ( -0.17444  0.1732 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.58317e-08 ( -1.7229e-08  1.68053e-08 ) ergs/cm2
 
Band function
Time interval is from    4.280 sec. to    5.280 sec.
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 3.27980   ( -3.8707   -3.8707 )
beta        : -1.37437    ( 1.37672   0.344651 )
Epeak [keV] : 31.4649      ( -30.5367 101.672 )
Norm@50keV   : 14.8368    ( -14.7964   108.009 )
------------------------------------------------------------
 
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]    : 17.3512  (-3.37088  4.48814)
R^2/D10^2   : 7.47715E-02  (-0.0400415   0.0806786)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   53.82     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 5.95e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.558e-09   1.494e-09
25- 50  2.050e-08   5.525e-09
50-150  4.434e-08   1.531e-08
15-150  6.939e-08   1.836e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-61.2228      -200)
Norm        : 4.29171       (-0.681543     0.681543)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   49.52     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.49e-01 with 57 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.069e-08   6.175e-09
25- 50  2.056e-08   1.139e-08
50-150  4.509e-08   2.532e-08
15-150  7.633e-08   4.316e-08
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.05512        (-4.57638      5.94677)
R1^2/D10^2  : 0.425767        (-0.310554      0.665341)
kT2 [keV]   : 35.9299        (-16.9283      -37.0416)
R2^2/D10^2  : 5.24326E-03    (-0.00475169   0.0387878)
------------------------------------------------------------
#Fit statistic  : Chi-Squared                   46.16     using 59 bins.
 Reduced chi-squared = 
# Null hypothesis probability of 7.96e-01 with 55 degrees of freedom
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  7.760e-09   4.635e-09
25- 50  2.084e-08   1.148e-08
50-150  5.733e-08   3.106e-08
15-150  8.593e-08   4.468e-08
Plot creation:
Thu Feb 11 09:26:13 EST 2021