batgrbproduct analysis for trigger=1062150

batgrbproduct Analysis for Trigger=1062150

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Fri Jul 30 11:14:21 EDT 2021
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1062150/batgroup_hand_proc
======================================================================

  Trigger: 01062150      Segment: 000

  BAT Trigger Time: 649313876.672   [s; MET]
      Trigger Stop: 649313877.696   [s; MET]
               UTC: 2021-07-30T04:57:29.213460    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 149.592469795951   Dec: 69.7052044190183  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    18.82
     Image Trigger?:     NO
     Rate S/N Ratio:     68.6221538571911  [ if not an image trigger ]
     Image S/N Ratio:    18.82

  Flight Position:   [ source = BAT ]
    RA: 149.592469795951   Dec: 69.7052044190183  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 149.569858961821   Dec: 69.7034524130317  [deg; J2000]  
        { 09h 58m 16.8s , +69d 42' 12.4" }
         +/- 1.01438945493361 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.382132399199096 [arcmin] (formal 1-sigma fit error)
    SNR: 29.8026227836214
 
  Angular difference between Flight and Ground position is 0.482172 arcmin
 
  Partial Coding Fraction: 0.5546875    [ including projection effects ]

  Duration
     T90: 3.85999989509583 +/- 0.657814625556765
        Measured from: 0.0279999971389771
                   to: 3.8879998922348     [s; relative to TRIGTIME]
     T50: 1.67999994754791 +/- 0.268745212913287
        Measured from: 0.503999948501587
                   to: 2.1839998960495     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.171999931335449     
                   to: 1.17199993133545     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.320000052452087     
                   to: 5.01199996471405     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.449499   0.676567   0.585666   0.160058
           0.027093   0.030677   0.028361   0.023416 [error]
 Peak      0.156166   0.302528   0.288930   0.087175
           0.013415   0.016960   0.016916   0.012284 [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 1.54e-07 2.99e-07 4.52e-07 1.48e-06 1.27e-06 2.38e-06   erg/cm2
              Error 1.78e-08 1.93e-08 2.85e-08 2.28e-07 6.99e-08 2.38e-07   erg/cm2
Peak flux Power-law 1.77e+00 2.20e+00 2.00e+00 3.16e+00 7.06e+00 9.13e+00   ph/cm2/s
              Error 2.58e-01 1.89e-01 1.35e-01 4.95e-01 4.88e-01 5.87e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.39e-07 3.02e-07 4.65e-07 9.87e-07 1.24e-06 1.89e-06   erg/cm2
              Error 2.58e-08 2.00e-08 3.39e-08 6.17e-07 8.14e-08 4.74e-07   erg/cm2
Peak flux Cutoff-PL 1.58e+00 2.20e+00 2.07e+00 2.39e+00 6.88e+00 8.25e+00   ph/cm2/s
              Error 3.53e-01 1.94e-01 1.78e-01 9.48e-01 5.50e-01 1.14e+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    1.406    0.107    -      -           2.47e-02 1.29e-03   54.760 53
CPL   1.060    0.452     158.9  -48.2      3.46e-02 1.64e-02   53.240 52
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.139    0.123    -      -           6.06e-02 3.90e-03   44.030 53
CPL   0.808    0.478     223.2    0.0      8.23e-02 4.03e-02   42.900 52
 
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: 2.816000 sec.
T50 in the 50-300 keV band: 1.280000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    5.332   -0.320    5.012
T90     3.860    0.028    3.888
T50     1.680    0.504    2.184
Peak    1.000    0.172    1.172

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  149.5699 +69.7035 0.0065   30.1  -55.4       1.8762    29.8  TRIG_01062150       
------------------------------------------
 
Foreground time interval of the image:
 -0.320   5.012 (delta_t =   5.332 [sec])
Background time interval of the image:
-239.672  -0.320 (delta_t = 239.352 [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   -0.320 sec. to    5.012 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.40618     ( -0.10629   0.107187 )
Norm@50keV  : 2.46740E-02    ( -0.00128921   0.00128857 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.76 using 55 PHA bins.
# Reduced chi-squared =          1.033 for     53 degrees of freedom 
# Null hypothesis probability =   4.077267e-01
 
Photon flux (15-150 keV)    in 5.332 sec: 3.00924 ( -0.177473  0.179184 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.26965e-06 ( -6.97335e-08  6.99782e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   -0.320 sec. to    5.012 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.06015     ( -0.513859   0.389242 )
Epeak [keV] : 158.928      ( -62.512 -158.928 )
Norm@50keV  : 3.45559E-02    ( -0.0106038   0.022164 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.24 using 55 PHA bins.
# Reduced chi-squared =          1.024 for     52 degrees of freedom 
# Null hypothesis probability =   4.261272e-01
 
Photon flux (15-150 keV)    in 5.332 sec: 2.91226 ( -0.21234  0.21956 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.24071e-06 ( -8.21075e-08  8.07798e-08 ) ergs/cm2
 
Band function
Time interval is from   -0.320 sec. to    5.012 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.805517   ( 0.80058   5.52184 )
beta        : -1.59355    ( 1.59492   0.243249 )
Epeak [keV] : 102.855      ( -102.119 666.806 )
Norm@50keV   : 4.66457E-02    ( -0.0231009   0 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.81 using 55 PHA bins.
# Reduced chi-squared =          1.036 for     51 degrees of freedom 
# Null hypothesis probability =   4.038792e-01
 
Photon flux (15-150 keV)    in 5.332 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]    : 17.8631  (-1.16611  1.27507)
R^2/D10^2   : 0.184059  (-0.0387004   0.0481793)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          99.49 using 55 PHA bins.
# Reduced chi-squared =          1.877 for     53 degrees of freedom 
# Null hypothesis probability =   1.156305e-04
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.285e-08   6.718e-09
25- 50  2.890e-07   2.170e-08
50-150  6.681e-07   5.759e-08
15-150  1.020e-06   6.185e-08
Thermal bremsstrahlung (OTTB)
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-12.9828      -200)
Norm        : 12.1596       (-0.604092     0.604092)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.614e-07   9.038e-09
25- 50  3.105e-07   1.773e-08
50-150  6.811e-07   3.786e-08
15-150  1.153e-06   1.248e-07
Double BB
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 8.07063        (-1.85639      2.11654)
R1^2/D10^2  : 1.63883        (-0.774753      2.06403)
kT2 [keV]   : 28.8465        (-5.58897      11.9939)
R2^2/D10^2  : 2.90831E-02    (-0.0197676   0.0319359)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.243e-07   2.765e-08
25- 50  3.095e-07   5.815e-08
50-150  7.977e-07   2.366e-07
15-150  1.231e-06   2.501e-07

Peak spectrum fit

Power-law model
Time interval is from    0.172 sec. to    1.172 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.13919     ( -0.122658   0.122636 )
Norm@50keV  : 6.05874E-02    ( -0.00390448   0.00389009 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.03 using 55 PHA bins.
# Reduced chi-squared =         0.8307 for     53 degrees of freedom 
# Null hypothesis probability =   8.052162e-01
 
Photon flux (15-150 keV)    in 1 sec: 7.05666 ( -0.485265  0.48976 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.25754e-07 ( -4.11796e-08  4.1311e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    0.172 sec. to    1.172 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.808230     ( -0.572541   0.383272 )
Epeak [keV] : 223.175      ( -223.176 -223.176 )
Norm@50keV  : 8.22868E-02    ( -0.0243074   0.0562503 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          42.90 using 55 PHA bins.
# Reduced chi-squared =         0.8251 for     52 degrees of freedom 
# Null hypothesis probability =   8.115397e-01
 
Photon flux (15-150 keV)    in 1 sec: 6.88056 ( -0.54159  0.55801 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.1661e-07 ( -4.4865e-08  4.4205e-08 ) ergs/cm2
 
Band function
Time interval is from    0.172 sec. to    1.172 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.931973   ( -0.17063   -0.17063 )
beta        : -1.27417    ( 1.26623   0.188554 )
Epeak [keV] : 57.8651      ( -57.7682 100.022 )
Norm@50keV   : 0.795280    ( -0.811921   149.807 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.40 using 55 PHA bins.
# Reduced chi-squared =         0.8117 for     51 degrees of freedom 
# Null hypothesis probability =   8.291527e-01
 
Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Single BB
 XSPEC: quit
 
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 20.2348  (-1.56333  1.74359)
R^2/D10^2   : 0.319064  (-0.074474   0.0945152)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.507e-08   2.780e-09
25- 50  1.258e-07   1.015e-08
50-150  3.825e-07   3.685e-08
15-150  5.334e-07   3.895e-08
Thermal bremsstrahlung (OTTB)
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (-8.58085      -200)
Norm        : 27.3800       (-1.70038     1.70038)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.815e-08   4.765e-09
25- 50  1.311e-07   9.550e-09
50-150  2.875e-07   7.015e-08
15-150  4.868e-07   8.235e-08
Double BB
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 10.1145        (-2.29166      2.65868)
R1^2/D10^2  : 1.69133        (-0.744454      1.67292)
kT2 [keV]   : 38.2260        (-9.20864      27.6388)
R2^2/D10^2  : 3.32865E-02    (-0.0260106   0.0503943)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.185e-08   9.705e-09
25- 50  1.330e-07   3.102e-08
50-150  4.419e-07   1.874e-07
15-150  6.167e-07   2.087e-07
Plot creation:
Fri Jul 30 11:19:46 EDT 2021