batgrbproduct analysis for trigger=1105560

batgrbproduct Analysis for Trigger=1105560

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Sat May  7 13:00:14 EDT 2022
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1105560/GCN5_download_cron
======================================================================

  Trigger: 01105560      Segment: 000

  BAT Trigger Time: 673531768   [s; MET]
      Trigger Stop: 673531832   [s; MET]
               UTC: 2022-05-06T12:08:58.910380    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 300.062982027018   Dec: 34.9062820143068  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.32
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.32

  Flight Position:   [ source = BAT ]
    RA: 300.062982027018   Dec: 34.9062820143068  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 300.10392814119   Dec: 34.8949679045289  [deg; J2000]  
        { 20h 00m 24.9s , +34d 53' 41.9" }
         +/- 7.26821476643427 [arcmin] (estimated 90% radius based on SNR)
         +/- 5.60431792511693 [arcmin] (formal 1-sigma fit error)
    SNR: 1.78857561820523
 
  Angular difference between Flight and Ground position is 2.126189 arcmin
 
  Partial Coding Fraction: 0.2441406    [ including projection effects ]

  Duration
     T90: 230.155999898911 +/- 54.3565144821347
        Measured from: 26.2480001449585
                   to: 256.404000043869     [s; relative to TRIGTIME]
     T50: 132.231999874115 +/- 67.8328704734175
        Measured from: 57.2760001420975
                   to: 189.508000016212     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 73.7319999933243     
                   to: 74.7319999933243     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 23.5160000324249     
                   to: 266.332000017166     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.604813   4.289925   3.108098   0.459929
           0.155246   0.158912   0.137362   0.114455 [error]
 Peak      0.028015   0.058150   0.059176  -0.000553
           0.015050   0.015797   0.014012   0.012053 [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-06 2.17e-06 2.31e-06 4.57e-06 7.43e-06 1.06e-05   erg/cm2
              Error 1.13e-07 9.79e-08 1.39e-07 5.81e-07 3.35e-07 6.94e-07   erg/cm2
Peak flux Power-law 5.30e-01 4.59e-01 2.72e-01 2.42e-01 1.37e+00 1.50e+00   ph/cm2/s
              Error 2.54e-01 1.49e-01 1.08e-01 1.85e-01 4.41e-01 4.70e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.34e-06 2.28e-06 2.41e-06 2.19e-06 7.16e-06 8.22e-06   erg/cm2
              Error 1.42e-07 1.16e-07 1.56e-07 8.35e-07 3.65e-07 9.09e-07   erg/cm2
Peak flux Cutoff-PL 3.14e-01 5.65e-01 3.24e-01 3.79e-02 1.24e+00 1.24e+00   ph/cm2/s
              Error 2.93e-01 1.98e-01 1.48e-01 1.17e-01 4.53e-01 4.62e-01   ph/cm2/s
 
Fluence        Band 1.33e-06 2.27e-06 2.40e-06 2.24e-06 7.16e-06 8.29e-06   erg/cm2
              Error 1.30e-07 1.09e-07 -------- -------- -------- --------   erg/cm2
Peak flux      Band 3.18e-01 5.62e-01 3.26e-01 3.90e-02 1.25e+00 1.26e+00   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    1.909    0.079    -      -           3.33e-03 1.52e-04   53.870 57
CPL   1.294    0.346      58.7   10.7      6.68e-03 2.66e-03   43.380 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.756    0.504    -      -           1.01e-02 3.31e-03   53.110 57
CPL  -0.988    4.064      53.6   51.8      2.39e-01 4.56e+01   49.980 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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  242.816   23.516  266.332
T90   230.156   26.248  256.404
T50   132.232   57.276  189.508
Peak    1.000   73.732   74.732

Image

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

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  300.1039 +34.8950 0.1079   51.4  -12.4       0.5024     1.8  TRIG_01105560       
------------------------------------------
 
Foreground time interval of the image:
 23.516  71.401 (delta_t =  47.885 [sec])
Background time interval of the image:
-17.599  23.516 (delta_t =  41.115 [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
23.516000 134.407700
135.000000 266.332000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.90930     ( -0.0785318   0.079686 )
Norm@50keV  : 3.33481E-03    ( -0.000151941   0.000151356 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.87 using 59 PHA bins.
# Reduced chi-squared =         0.9451 for     57 degrees of freedom 
# Null hypothesis probability =   5.932746e-01
 
Photon flux (15-150 keV)    in 242.2 sec: 0.480481 ( -0.0227315  0.022823 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.42638e-06 ( -3.35093e-07  3.35711e-07 ) ergs/cm2
 
Cutoff power-law model
Multiple GTIs in the spectrum
tstart tstop
23.516000 134.407700
135.000000 266.332000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.29366     ( -0.359077   0.333682 )
Epeak [keV] : 58.6556      ( -7.73914 13.7223 )
Norm@50keV  : 6.68370E-03    ( -0.0020563   0.0032578 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.38 using 59 PHA bins.
# Reduced chi-squared =         0.7746 for     56 degrees of freedom 
# Null hypothesis probability =   8.910529e-01
 
Photon flux (15-150 keV)    in 242.2 sec: 0.460686 ( -0.024726  0.024858 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.16205e-06 ( -3.65238e-07  3.65116e-07 ) ergs/cm2
 
Band function
Multiple GTIs in the spectrum
tstart tstop
23.516000 134.407700
135.000000 266.332000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.29361   ( -0.302787   0.342069 )
beta        : -10.0000    ( 10   1.77636e-15 )
Epeak [keV] : 58.6427      ( -7.73792 13.7235 )
Norm@50keV   : 6.68331E-03    ( -0.00205539   0.00325654 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.38 using 59 PHA bins.
# Reduced chi-squared =         0.7887 for     55 degrees of freedom 
# Null hypothesis probability =   8.713458e-01
 
Photon flux (15-150 keV)    in 242.2 sec: 0.441183 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.16234e-06 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.3590  (  )
R^2/D10^2   : 7.38316E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         144.17 using 59 PHA bins.
# Reduced chi-squared =         2.5294 for     57 degrees of freedom 
# Null hypothesis probability =   1.692566e-09
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.763e-07   5.728e-08
25- 50  2.398e-06   1.258e-07
50-150  2.748e-06   2.277e-07
15-150  5.822e-06   2.810e-07
Thermal bremsstrahlung (OTTB)
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 92.5640       (-12.3506      15.576)
Norm        : 2.12176       (-0.142098     0.154084)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.342e-06   1.173e-07
25- 50  2.283e-06   1.016e-07
50-150  3.537e-06   9.191e-07
15-150  7.162e-06   9.010e-07
Double BB
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.08710        (-0.864692      1.0603)
R1^2/D10^2  : 1.73881        (-0.925478      2.26903)
kT2 [keV]   : 18.2242        (-1.62764      2.16231)
R2^2/D10^2  : 1.88951E-02    (-0.00724906   0.00918715)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.400e-06   3.420e-07
25- 50  2.162e-06   2.725e-07
50-150  3.454e-06   3.669e-07
15-150  7.016e-06   7.218e-07

Peak spectrum fit

Power-law model
Time interval is from   73.732 sec. to   74.732 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.75570     ( -0.482386   0.52514 )
Norm@50keV  : 1.00821E-02    ( -0.00333746   0.00328058 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.11 using 59 PHA bins.
# Reduced chi-squared =         0.9318 for     57 degrees of freedom 
# Null hypothesis probability =   6.216175e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.36598 ( -0.439146  0.443173 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.30146e-08 ( -3.08736e-08  3.1482e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from   73.732 sec. to   74.732 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: -0.988273     ( -5.45547   2.67184 )
Epeak [keV] : 53.6029      ( -14.8224 88.7908 )
Norm@50keV  : 0.239261    ( -0.252706   90.8576 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          49.98 using 59 PHA bins.
# Reduced chi-squared =         0.8925 for     56 degrees of freedom 
# Null hypothesis probability =   7.009033e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.23749 ( -0.445212  0.46085 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.38794e-08 ( -2.87553e-08  3.20676e-08 ) ergs/cm2
 
Band function
Time interval is from   73.732 sec. to   74.732 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.883001   ( -2.69815   -0.883052 )
beta        : -9.37167    ( 9.37167   19.3716 )
Epeak [keV] : 54.1063      ( -14.7188 75.9782 )
Norm@50keV   : 0.207106    ( -0.212528   341.662 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          50.00 using 59 PHA bins.
# Reduced chi-squared =         0.9091 for     55 degrees of freedom 
# Null hypothesis probability =   6.656341e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.24521 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.39386e-08 ( 0  0 ) ergs/cm2
 
Single BB
 XSPEC: quit
 
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 13.6520  (-3.35694  4.45168)
R^2/D10^2   : 0.229602  (-0.229602   0.41461)
(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  9.058e-09   5.785e-09
25- 50  3.284e-08   1.973e-08
50-150  3.978e-08   2.478e-08
15-150  8.168e-08   4.991e-08
Thermal bremsstrahlung (OTTB)
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 110.222       (-62.4313      -107.892)
Norm        : 5.97916       (-2.12394     3.18557)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.561e-08   9.650e-09
25- 50  2.751e-08   1.642e-08
50-150  4.702e-08   3.535e-08
15-150  9.014e-08   5.915e-08
Double BB
XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 0.386963        (-2.57942      36.8254)
R1^2/D10^2  : 4.35395E+14        (-4.59333e+14      3.30742e+20)
kT2 [keV]   : 13.8476        (-3.40412      4.55533)
R2^2/D10^2  : 0.215546    (-0.143567   0.345942)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.126e-08   5.930e-09
25- 50  3.157e-08   1.871e-08
50-150  4.098e-08   2.578e-08
15-150  8.381e-08   5.020e-08
Plot creation:
Sat May  7 13:03:02 EDT 2022