batgrbproduct analysis for trigger=999948

batgrbproduct Analysis for Trigger=999948

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Wed Oct 19 23:33:05 EDT 2022
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger999948
======================================================================

  Trigger: 00999948      Segment: 000

  BAT Trigger Time: 624253616.448   [s; MET]
      Trigger Stop: 624253616.576   [s; MET]
               UTC: 2020-10-13T03:46:30.651960    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 107.387835387955   Dec: 57.0358898588483  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    13.37
     Image Trigger?:     NO
     Rate S/N Ratio:     116.858889263932  [ if not an image trigger ]
     Image S/N Ratio:    13.37

  Flight Position:   [ source = BAT ]
    RA: 107.387835387955   Dec: 57.0358898588483  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 107.391724441058   Dec: 57.03116466483  [deg; J2000]  
        { 07h 09m 34.0s , +57d 01' 52.2" }
         +/- 0.624191607961191 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.175463504557986 [arcmin] (formal 1-sigma fit error)
    SNR: 59.6377628442747
 
  Angular difference between Flight and Ground position is 0.310646 arcmin
 
  Partial Coding Fraction: 0.640625    [ including projection effects ]

  Duration
     T90: 7.31599986553192 +/- 0.178392941915236
        Measured from: -0.0519999265670776
                   to: 7.26399993896484     [s; relative to TRIGTIME]
     T50: 5.3879998922348 +/- 0.0572712379609395
        Measured from: 0.552000045776367
                   to: 5.93999993801117     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.0479999780654907     
                   to: 0.952000021934509     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.847999930381775     
                   to: 9.29200005531311     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.031375   3.424386   3.265379   0.877752
           0.042013   0.050667   0.049670   0.034195 [error]
 Peak      0.529774   1.026705   1.219173   0.388663
           0.018931   0.025343   0.028406   0.019962 [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 6.48e-07 1.41e-06 2.42e-06 9.60e-06 6.64e-06 1.41e-05   erg/cm2
              Error 2.69e-08 3.44e-08 5.22e-08 4.83e-07 1.34e-07 5.04e-07   erg/cm2
Peak flux Power-law 5.07e+00 7.22e+00 7.63e+00 1.49e+01 2.46e+01 3.48e+01   ph/cm2/s
              Error 2.93e-01 2.52e-01 2.25e-01 9.63e-01 6.86e-01 1.09e+00   ph/cm2/s
 
Fluence   Cutoff-PL 5.02e-07 6.57e-07 6.62e-07 1.52e-06 2.23e-06 3.32e-06   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux Cutoff-PL 4.52e+00 7.32e+00 8.02e+00 1.05e+01 2.42e+01 3.03e+01   ph/cm2/s
              Error 3.84e-01 2.67e-01 2.96e-01 1.84e+00 7.07e-01 1.96e+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    1.221    0.035    -      -           6.49e-02 1.28e-03   42.820 57
CPL   0.847    0.151     184.6   57.7      9.34e-02 1.34e-02   23.550 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.920    0.048    -      -           2.14e-01 5.94e-03   57.600 57
CPL   0.529    0.202     227.2  109.6      3.14e-01 6.07e-02   45.740 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: 7.040000 sec.
T50 in the 50-300 keV band: 5.312000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   10.140   -0.848    9.292
T90     7.316   -0.052    7.264
T50     5.388    0.552    5.940
Peak    1.000   -0.048    0.952
  • Click here for the BAT GCN circular template
  • Estimated redshift from machine learning (Ukwatta et al. 2016) - may take a few minute to calcaulte

    Image

    Pre-slew 15.0-350.0 keV image (Event data)

    #   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
      107.3917    57.0312   0.0032    23.0626   -76.0820         9.5582565     59.638 TRIG_00999948                 
     
    Foreground time interval of the image:
     -0.848   9.292 (delta_t =  10.140 [sec])
    Background time interval of the image:
    -239.448  -0.848 (delta_t = 238.600 [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
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.128000
    

    8 ms binning

    From T100_start-3 s to T100_start+3 s
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.128000
    

    2 ms binning

    From T100_start-1 s to T100_start+1 s
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.128000
    

    SN=5 or 10 sec. binning (whichever binning is satisfied first)

    SN=5 or 10 sec. binning (T < 200 sec)

    Quad-rate summed light curves (from T0-300s to T0+1000s)

    Spectral Evolution

    Spectra

    Notes:

    Time averaged spectrum fit using the average DRM

    Power-law model
    Time interval is from   -0.848 sec. to    9.292 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.22133     ( -0.0354238   0.0353454 )
    Norm@50keV  : 6.49180E-02    ( -0.00127637   0.00127546 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   42.82     using 59 bins.
     Reduced chi-squared = 0.751228
    # Null hypothesis probability of 9.18e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 10.14 sec: 7.64376 ( -0.16283  0.16314 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.63969e-06 ( -1.33933e-07  1.33882e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.848 sec. to    9.292 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.846669     ( -0.153662   0.148738 )
    Epeak [keV] : 184.572      ( -36.357 79.0181 )
    Norm@50keV  : 9.34143E-02    ( -0.0122761   0.0145805 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   23.55     using 59 bins.
     Reduced chi-squared = 0.420536
    # Null hypothesis probability of 1.00e+00 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 10.14 sec: 7.46306 ( -0.17505  0.17569 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.23032e-06 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.848 sec. to    9.292 sec.
     
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       :    (     )
    beta        :     (     )
    Epeak [keV] :       (   )
    Norm@50keV   :     (     )
    ------------------------------------------------------------
     
    Photon flux (15-150 keV)    in  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]    : 20.6416  (  )
    R^2/D10^2   : 0.314519  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                  404.97     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 6.20e-54 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.586e-07   1.024e-08
    25- 50  1.315e-06   3.904e-08
    50-150  4.169e-06   1.207e-07
    15-150  5.742e-06   1.273e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.363       (      )
    Norm        : 32.8057       (     )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                  315.01     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 2.21e-37 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.283e-07   1.800e-08
    25- 50  1.593e-06   3.448e-08
    50-150  3.495e-06   7.656e-08
    15-150  5.916e-06   1.288e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.62489        (-0.839111      0.913205)
    R1^2/D10^2  : 2.96234        (-0.764934      1.12999)
    kT2 [keV]   : 31.6340        (-2.31797      3.01488)
    R2^2/D10^2  : 6.38652E-02    (-0.0173935   0.0198831)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   30.17     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 9.97e-01 with 55 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.230e-07   3.711e-08
    25- 50  1.462e-06   6.135e-08
    50-150  4.552e-06   1.927e-07
    15-150  6.537e-06   2.682e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   -0.048 sec. to    0.952 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.919749     ( -0.0482247   0.0480351 )
    Norm@50keV  : 0.214166    ( -0.00594122   0.00593499 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   57.60     using 59 bins.
     Reduced chi-squared = 1.01053
    # Null hypothesis probability of 4.53e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 1 sec: 24.5876 ( -0.6859  0.6861 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.38556e-06 ( -7.17377e-08  7.18635e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.048 sec. to    0.952 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.529416     ( -0.206414   0.197334 )
    Epeak [keV] : 227.237      ( -57.6352 161.617 )
    Norm@50keV  : 0.313593    ( -0.0536981   0.0676413 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   45.74     using 59 bins.
     Reduced chi-squared = 0.816786
    # Null hypothesis probability of 8.34e-01 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 1 sec: 24.2277 ( -0.7067  0.707 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.3557e-06 ( -7.47278e-08  7.45447e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.048 sec. to    0.952 sec.
     
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       :    (     )
    beta        :     (     )
    Epeak [keV] :       (   )
    Norm@50keV   :     (     )
    ------------------------------------------------------------
     
    Photon flux (15-150 keV)    in  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]    : 23.6734  (  )
    R^2/D10^2   : 0.727318  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                  202.59     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 3.46e-18 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.283e-08   4.060e-09
    25- 50  4.015e-07   1.615e-08
    50-150  1.678e-06   7.650e-08
    15-150  2.153e-06   7.400e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.363       (      )
    Norm        : 97.5342       (     )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                  497.97     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 1.13e-71 with 57 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.429e-07   6.900e-09
    25- 50  4.672e-07   1.290e-08
    50-150  1.025e-06   2.945e-08
    15-150  1.735e-06   5.650e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.84933        (-1.31068      1.50776)
    R1^2/D10^2  : 6.84580        (-2.39302      4.21988)
    kT2 [keV]   : 34.8365        (-3.32785      4.81061)
    R2^2/D10^2  : 0.192906    (-0.0658297   0.0753567)
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   45.49     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 8.16e-01 with 55 degrees of freedom
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.367e-07   1.660e-08
    25- 50  4.312e-07   3.305e-08
    50-150  1.807e-06   1.415e-07
    15-150  2.374e-06   1.755e-07
    

    Pre-slew spectrum (Pre-slew PHA with pre-slew DRM)

    Power-law model
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.22133     ( -0.0354238   0.0353454 )
    Norm@50keV  : 6.49180E-02    ( -0.00127637   0.00127546 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   42.82     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 9.18e-01 with 57 degrees of freedom
     
    Photon flux (15-150 keV)    in 10.14 sec: 7.64371 ( -0.162817  0.163125 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.63888e-06 ( -1.33892e-07  1.33969e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.846669     ( -0.153662   0.148738 )
    Epeak [keV] : 184.572      ( -36.357 79.0181 )
    Norm@50keV  : 9.34143E-02    ( -0.0122761   0.0145805 )
    ------------------------------------------------------------
    #Fit statistic  : Chi-Squared                   23.55     using 59 bins.
     Reduced chi-squared = 
    # Null hypothesis probability of 1.00e+00 with 56 degrees of freedom
     
    Photon flux (15-150 keV)    in 10.14 sec: 7.46257 ( -0.17498  0.17563 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.54187e-06 ( -1.41392e-07  1.40865e-07 ) ergs/cm2
     
    
    Band function
     
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       :    (     )
    beta        :     (     )
    Epeak [keV] :       (   )
    Norm@50keV   :     (     )
    ------------------------------------------------------------
     
    Photon flux (15-150 keV)    in  sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    

    S(25-50 keV) vs. S(50-100 keV) plot

    S(25-50 keV)  = 1.41e-06
    S(50-100 keV) = 2.42e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 7.31599986553192 sec.
    Hardness ratio (energy fluence ratio) = 1.71631
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.68575
    Count Ratio (50-100 keV) / (15-25 keV) = 1.60747
    

    Mask shadow pattern

    IMX = 1.024100542210024E-01, IMY = 4.132641197389955E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.128000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.128000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.128000
    

    Spacecraft aspect plot

    Bright source in the pre-burst/pre-slew/post-slew images

    Pre-burst image of 15-350 keV band

    Time interval of the image:
    -239.448000 -0.848000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6257  22.0169    0.6  36.7    4.5   8.2753  20.9    0.4	Crab                          
     70.7460   6.4089    2.2  49.8   26.8   5.0376   5.3 ------	UNKNOWN                       
    347.6825  70.1121    3.2  34.8  178.7   1.3257   3.6 ------	UNKNOWN                       
    295.0116  77.3813    2.8  43.1 -159.9   2.3097   4.1 ------	UNKNOWN                       
    119.2396  23.9097    3.2  50.6  -39.5   3.6733   3.6 ------	UNKNOWN                       
    

    Pre-slew background subtracted image of 15-350 keV band

    Time interval of the image:
    -0.848000 9.292000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.7833  21.9946    8.7  36.7    4.3  -0.2193  -1.3    8.4	Crab                          
     13.9387  33.7241    3.8  41.2  113.5   1.2478   3.1 ------	UNKNOWN                       
     52.9912  12.4207    2.5  44.5   51.1   1.9763   4.7 ------	UNKNOWN                       
     31.3894  27.4467    2.8  37.3   88.4   1.2197   4.1 ------	UNKNOWN                       
     23.3727  34.8623    3.2  35.2  105.2   0.8351   3.6 ------	UNKNOWN                       
     73.4583   3.0834    3.8  53.3   23.7   1.8130   3.0 ------	UNKNOWN                       
     49.1990  39.6259    3.6  19.4   73.4   0.4859   3.2 ------	UNKNOWN                       
     79.6639  16.3499    2.9  41.2   12.6   0.8081   4.0 ------	UNKNOWN                       
     14.6194  79.6432    2.4  28.4 -162.6   0.6096   4.9 ------	UNKNOWN                       
    121.4339  87.4632    2.8  32.7 -141.8   0.6328   4.1 ------	UNKNOWN                       
    107.3917  57.0312    0.2  23.1  -76.1   9.5578  59.6 ------	UNKNOWN                       
    276.8520  70.0510    2.6  51.9 -158.9   1.6812   4.4 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    53.652620 962.614900
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6312  22.0184    0.5  39.1   33.3  33.2014  21.5    0.3	Crab                          
    343.9303  67.1362    3.8  49.0  151.5  10.9482   3.0 ------	UNKNOWN                       
     87.7911  21.6211    2.4  38.2   27.2   6.7349   4.8 ------	UNKNOWN                       
     53.3524  68.0019    2.5  26.1  133.6   4.8711   4.6 ------	UNKNOWN                       
    311.1491  66.7746    3.6  54.9  165.8  13.0356   3.2 ------	UNKNOWN                       
    105.3623   6.2757    2.5  50.8   -0.5   8.3085   4.5 ------	UNKNOWN                       
    116.6742  12.8238    2.9  44.8  -16.0   5.1281   4.0 ------	UNKNOWN                       
    143.8362  40.2289    3.4  28.9  -73.2   4.3682   3.4 ------	UNKNOWN                       
    136.9802   9.7250    3.0  52.6  -40.9  18.5582   3.9 ------	UNKNOWN                       
    182.9401  48.9867    3.3  43.8 -116.3  14.5142   3.5 ------	UNKNOWN                       
    206.8480  54.4593    3.2  50.9 -135.4  18.4431   3.7 ------	UNKNOWN                       
    
    Plot creation:
    Thu Oct 20 00:46:21 EDT 2022