batgrbproduct analysis for trigger=894718

batgrbproduct Analysis for Trigger=894718

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Apr 11 00:01:10 EDT 2019
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger894718
======================================================================

  Trigger: 00894718      Segment: 000

  BAT Trigger Time: 575160264.256   [s; MET]
      Trigger Stop: 575160266.304   [s; MET]
               UTC: 2019-03-24T22:44:01.630420    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 49.5763772428907   Dec: -47.2395129362167  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.57
     Image Trigger?:     NO
     Rate S/N Ratio:     13.1909059582729  [ if not an image trigger ]
     Image S/N Ratio:    8.57

  Flight Position:   [ source = BAT ]
    RA: 49.5763772428907   Dec: -47.2395129362167  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 49.6036803152047   Dec: -47.2105138223664  [deg; J2000]  
        { 03h 18m 24.9s , -47d 12' 37.8" }
         +/- 0.835185904755716 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.275887513888331 [arcmin] (formal 1-sigma fit error)
    SNR: 39.3420266492248
 
  Angular difference between Flight and Ground position is 2.065218 arcmin
 
  Partial Coding Fraction: 0.5625    [ including projection effects ]

  Duration
     T90: 22.7840000391006 +/- 10.149727151475
        Measured from: 17.2719999551773
                   to: 40.055999994278     [s; relative to TRIGTIME]
     T50: 6 +/- 0.329848476648913
        Measured from: 20.9679999351501
                   to: 26.9679999351501     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 23.7400000095367     
                   to: 24.7400000095367     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.407999992370605     
                   to: 57.607999920845     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.708741   4.117331   3.191692   0.723602
           0.082710   0.090275   0.081149   0.065897 [error]
 Peak      0.340820   0.554028   0.436717   0.094187
           0.017710   0.021465   0.019528   0.012173 [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 9.23e-07 1.72e-06 2.48e-06 7.54e-06 7.02e-06 1.26e-05   erg/cm2
              Error 4.99e-08 5.42e-08 8.39e-08 5.82e-07 2.06e-07 6.29e-07   erg/cm2
Peak flux Power-law 3.67e+00 3.88e+00 2.91e+00 3.54e+00 1.18e+01 1.40e+01   ph/cm2/s
              Error 2.92e-01 1.93e-01 1.58e-01 3.90e-01 5.47e-01 6.38e-01   ph/cm2/s
 
Fluence   Cutoff-PL 8.64e-07 1.75e-06 2.53e-06 5.21e-06 6.90e-06 1.03e-05   erg/cm2
              Error 6.27e-08 5.97e-08 9.39e-08 1.37e-06 2.27e-07 1.37e-06   erg/cm2
Peak flux Cutoff-PL 3.20e+00 4.09e+00 3.12e+00 1.94e+00 1.15e+01 1.24e+01   ph/cm2/s
              Error 3.59e-01 2.24e-01 1.92e-01 5.64e-01 5.64e-01 8.00e-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    1.474    0.051    -      -           1.27e-02 3.50e-04   66.720 57
CPL   1.198    0.203     157.2  140.1      1.71e-02 3.67e-03   60.960 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.416    0.075    -      -           9.67e-02 4.36e-03   66.970 57
CPL   0.774    0.331     102.0   33.3      1.97e-01 7.27e-02   54.360 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: 15.296000 sec.
T50 in the 50-300 keV band: 5.184000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   58.016   -0.408   57.608
T90    22.784   17.272   40.056
T50     6.000   20.968   26.968
Peak    1.000   23.740   24.740
  • 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
       49.6037   -47.2105   0.0049    29.2660   -64.1523        11.4082013     39.342 TRIG_00894718                 
     
    Foreground time interval of the image:
     -0.408  57.608 (delta_t =  58.016 [sec])
    Background time interval of the image:
    -239.256  -0.408 (delta_t = 238.848 [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 2.048000
    

    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 2.048000
    

    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 2.048000
    

    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   -0.408 sec. to   57.608 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.47418     ( -0.0510819   0.0510666 )
    Norm@50keV  : 1.27357E-02    ( -0.000350052   0.000350033 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          66.72 using 59 PHA bins.
    # Reduced chi-squared =          1.170 for     57 degrees of freedom 
    # Null hypothesis probability =   1.775567e-01
     
    Photon flux (15-150 keV)    in 58.02 sec: 1.57917 ( -0.0473  0.04742 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.04137e-06 ( -2.05591e-07  2.05959e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.408 sec. to   57.608 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.19791     ( -0.207699   0.198358 )
    Epeak [keV] : 157.155      ( -44.9149 235.314 )
    Norm@50keV  : 1.71261E-02    ( -0.00319941   0.00414159 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.96 using 59 PHA bins.
    # Reduced chi-squared =          1.089 for     56 degrees of freedom 
    # Null hypothesis probability =   3.021816e-01
     
    Photon flux (15-150 keV)    in 58.02 sec: 1.54995 ( -0.0513  0.05143 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.91047e-06 ( -2.26914e-07  2.26233e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.408 sec. to   57.608 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]    : 16.7398  (  )
    R^2/D10^2   : 0.119330  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         323.49 using 59 PHA bins.
    # Reduced chi-squared =         5.6752 for     57 degrees of freedom 
    # Null hypothesis probability =   6.603499e-39
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.968e-07   2.071e-08
    25- 50  1.734e-06   6.933e-08
    50-150  3.451e-06   1.685e-07
    15-150  5.582e-06   1.691e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-8.26676      -200)
    Norm        : 6.51235       (-0.178977     0.178977)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          72.15 using 59 PHA bins.
    # Reduced chi-squared =          1.266 for     57 degrees of freedom 
    # Null hypothesis probability =   8.519004e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.411e-07   2.756e-08
    25- 50  1.810e-06   5.657e-08
    50-150  3.970e-06   1.178e-07
    15-150  6.722e-06   2.031e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.53460        (-0.702739      0.759434)
    R1^2/D10^2  : 1.21026        (-0.330095      0.486772)
    kT2 [keV]   : 28.1942        (-2.53039      3.29467)
    R2^2/D10^2  : 1.57937E-02    (-0.00510273   0.00643079)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.91 using 59 PHA bins.
    # Reduced chi-squared =         0.9984 for     55 degrees of freedom 
    # Null hypothesis probability =   4.779499e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.052e-07   7.688e-08
    25- 50  1.791e-06   1.082e-07
    50-150  4.310e-06   3.844e-07
    15-150  6.906e-06   4.235e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   23.740 sec. to   24.740 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.41568     ( -0.0747674   0.0751724 )
    Norm@50keV  : 9.66981E-02    ( -0.00436355   0.00436055 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          66.97 using 59 PHA bins.
    # Reduced chi-squared =          1.175 for     57 degrees of freedom 
    # Null hypothesis probability =   1.720804e-01
     
    Photon flux (15-150 keV)    in 1 sec: 11.8188 ( -0.5463  0.5469 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 9.31537e-07 ( -4.58098e-08  4.59253e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   23.740 sec. to   24.740 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.773714     ( -0.342788   0.318808 )
    Epeak [keV] : 101.977      ( -18.8182 47.8656 )
    Norm@50keV  : 0.196552    ( -0.0571908   0.0882113 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.36 using 59 PHA bins.
    # Reduced chi-squared =         0.9707 for     56 degrees of freedom 
    # Null hypothesis probability =   5.371301e-01
     
    Photon flux (15-150 keV)    in 1 sec: 11.5249 ( -0.5634  0.5641 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 9.03504e-07 ( -4.88506e-08  4.87e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   23.740 sec. to   24.740 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]    : 16.2909  (  )
    R^2/D10^2   : 1.05526  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         130.81 using 59 PHA bins.
    # Reduced chi-squared =         2.2949 for     57 degrees of freedom 
    # Null hypothesis probability =   9.882527e-08
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.767e-08   4.645e-09
    25- 50  2.464e-07   1.460e-08
    50-150  4.601e-07   4.060e-08
    15-150  7.642e-07   4.170e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-13.2237      -200)
    Norm        : 49.0591       (-2.19659     2.19659)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.17 using 59 PHA bins.
    # Reduced chi-squared =          1.214 for     57 degrees of freedom 
    # Null hypothesis probability =   1.294597e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.221e-07   6.100e-09
    25- 50  2.350e-07   1.160e-08
    50-150  5.153e-07   2.845e-08
    15-150  8.725e-07   4.255e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.67582        (-1.57456      1.62445)
    R1^2/D10^2  : 5.26942        (-1.96919      4.19918)
    kT2 [keV]   : 27.9959        (-4.4099      7.49767)
    R2^2/D10^2  : 0.119665    (-0.0699802   0.114393)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.79 using 59 PHA bins.
    # Reduced chi-squared =          1.014 for     55 degrees of freedom 
    # Null hypothesis probability =   4.449032e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.097e-08   1.349e-08
    25- 50  2.433e-07   3.730e-08
    50-150  5.710e-07   1.604e-07
    15-150  9.053e-07   2.033e-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: 1.47418     ( -0.0510819   0.0510666 )
    Norm@50keV  : 1.27357E-02    ( -0.000350052   0.000350033 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          66.72 using 59 PHA bins.
    # Reduced chi-squared =          1.170 for     57 degrees of freedom 
    # Null hypothesis probability =   1.775567e-01
     
    Photon flux (15-150 keV)    in 58.02 sec: 1.57913 ( -0.0472957  0.0474121 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.04044e-06 ( -2.05659e-07  2.0597e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.19791     ( -0.207698   0.198359 )
    Epeak [keV] : 157.154      ( -44.9147 235.315 )
    Norm@50keV  : 1.71261E-02    ( -0.00319942   0.00414158 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.96 using 59 PHA bins.
    # Reduced chi-squared =          1.089 for     56 degrees of freedom 
    # Null hypothesis probability =   3.021816e-01
     
    Photon flux (15-150 keV)    in 58.02 sec: 1.54977 ( -0.05128  0.05141 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.91314e-06 ( -2.27438e-07  2.26278e-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)  = 1.72e-06
    S(50-100 keV) = 2.48e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 22.7840000391006 sec.
    Hardness ratio (energy fluence ratio) = 1.44186
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.52002
    Count Ratio (50-100 keV) / (15-25 keV) = 1.17829
    

    Mask shadow pattern

    IMX = 2.443212856985810E-01, IMY = 5.043304860523055E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    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:
    -239.256000 -0.408000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.2490 -40.5307    0.0  38.1   60.1   1.1257   0.6   12.8	Vela X-1                      
    170.4444 -60.7538   16.2  32.7  111.4   0.8888   0.7    8.7	Cen X-3                       
    186.6576 -62.7861    6.9  35.8  124.4   2.4494   1.7    1.0	GX 301-2                      
    110.9555 -28.2649    3.3  43.8   25.1   4.1303   3.5 ------	UNKNOWN                       
    129.0866 -58.1489    2.3  21.0   71.8   3.7740   5.0 ------	UNKNOWN                       
    273.7794 -63.7862    2.7  46.2  178.7   6.3077   4.3 ------	UNKNOWN                       
     60.2049 -27.4902    2.5  45.3  -40.2   6.4360   4.7 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -0.408000 57.608000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5998 -40.4010   11.5  38.4   60.4   0.5380   1.0    9.8	Vela X-1                      
    170.3546 -60.5322   28.7  32.9  111.1  -0.1669  -0.4    5.6	Cen X-3                       
    186.5726 -62.6268   20.7  35.9  124.2   0.2553   0.6    8.9	GX 301-2                      
    124.5553 -32.0557    1.8  43.0   43.1   2.7478   6.6 ------	UNKNOWN                       
    254.5409 -54.6841    2.6  55.0  165.7   5.5428   4.5 ------	UNKNOWN                       
     25.5169 -66.3703    2.8  22.4 -116.3   1.0079   4.1 ------	UNKNOWN                       
     49.6037 -47.2105    0.3  29.3  -64.2  11.4072  39.3 ------	UNKNOWN                       
     21.6297 -54.3339    3.5  32.4 -101.0   1.3960   3.3 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    681.844610 937.644600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.6477 -40.6647   13.8  38.4   30.8   0.5363   0.8    8.5	Vela X-1                      
    170.1183 -60.4410    0.0  15.8   75.0   0.3340   0.9   12.4	Cen X-3                       
    186.5894 -62.6846    1.8  14.7  106.1   2.2232   6.6    5.5	GX 301-2                      
    255.9293 -37.7429    7.2  52.8  170.5   1.9923   1.6    6.7	4U 1700-377                   
    256.4845 -36.5276    6.0  54.1  170.6   2.6919   1.9    6.7	GX 349+2                      
    264.7699 -44.3881    8.7  48.5 -178.7   1.0323   1.3    3.9	4U 1735-44                    
    147.8684 -53.0299    2.7  24.5   41.5   1.6735   4.2 ------	UNKNOWN                       
    109.8060 -78.7349    2.3  12.5  -56.3   1.4755   4.9 ------	UNKNOWN                       
     87.5654 -32.2197    3.1  56.8  -17.4   5.0586   3.8 ------	UNKNOWN                       
     10.5050 -62.4358    3.8  40.7  -92.0   5.6338   3.0 ------	UNKNOWN                       
    
    Plot creation:
    Thu Apr 11 00:53:36 EDT 2019