batgrbproduct analysis for trigger=820347

batgrbproduct Analysis for Trigger=820347

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed May 30 15:56:01 EDT 2018
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger820347
======================================================================

  Trigger: 00820347      Segment: 000

  BAT Trigger Time: 544162516.416   [s; MET]
      Trigger Stop: 544162524.608   [s; MET]
               UTC: 2018-03-31T04:14:55.706640    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 66.0170123130039   Dec: 13.3978789028324  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.89
     Image Trigger?:     NO
     Rate S/N Ratio:     10.9087121146357  [ if not an image trigger ]
     Image S/N Ratio:    8.89

  Flight Position:   [ source = BAT ]
    RA: 66.0170123130039   Dec: 13.3978789028324  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 66.0054627531874   Dec: 13.3860368829264  [deg; J2000]  
        { 04h 24m 01.3s , +13d 23' 09.7" }
         +/- 1.93529991572351 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.736452311016497 [arcmin] (formal 1-sigma fit error)
    SNR: 11.8434432467337
 
  Angular difference between Flight and Ground position is 0.979435 arcmin
 
  Partial Coding Fraction: 0.8125    [ including projection effects ]

  Duration
     T90: 48 +/- 22.6274169979695
        Measured from: 0.583999991416931
                   to: 48.5839999914169     [s; relative to TRIGTIME]
     T50: 32 +/- 16
        Measured from: 0.583999991416931
                   to: 32.5839999914169     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 8.08399999141693     
                   to: 9.08399999141693     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.583999991416931     
                   to: 48.5839999914169     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.224202   0.456051   0.290528   0.052106
           0.042613   0.044133   0.038707   0.034724 [error]
 Peak      0.008201   0.027548   0.024281   0.000195
           0.005956   0.006561   0.005766   0.005023 [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 8.93e-08 1.67e-07 2.41e-07 7.39e-07 6.86e-07 1.24e-06   erg/cm2
              Error 1.70e-08 2.03e-08 3.75e-08 2.39e-07 9.21e-08 2.71e-07   erg/cm2
Peak flux Power-law 1.36e-01 1.70e-01 1.55e-01 2.47e-01 5.45e-01 7.07e-01   ph/cm2/s
              Error 6.63e-02 5.32e-02 4.49e-02 1.47e-01 1.48e-01 1.96e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.44e-08 1.92e-07 2.49e-07 1.47e-07 6.14e-07 6.62e-07   erg/cm2
              Error 2.00e-08 2.77e-08 4.49e-08 1.82e-07 1.01e-07 2.05e-07   erg/cm2
Peak flux Cutoff-PL 8.72e-02 1.92e-01 1.82e-01 5.87e-02 5.08e-01 5.20e-01   ph/cm2/s
              Error 7.71e-02 6.85e-02 5.84e-02 1.48e-01 1.55e-01 2.09e-01   ph/cm2/s
 
Fluence        Band 7.25e-08 1.97e-07 2.38e-07 3.30e-07 6.29e-07 8.40e-07   erg/cm2
              Error 1.70e-08 3.30e-08 5.11e-08 3.26e-07 1.03e-07 2.85e-07   erg/cm2
Peak flux      Band 1.36e-01 1.70e-01 1.55e-01 2.47e-01 5.45e-01 7.07e-01   ph/cm2/s
              Error 6.63e-02 5.32e-02 4.49e-02 1.47e-01 1.48e-01 1.96e-01   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.471    0.194    -      -           1.50e-03 1.82e-04   64.300 57
CPL   0.176    1.037      66.4   30.9      7.20e-03 1.45e-02   57.910 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.132    0.429    -      -           4.68e-03 1.24e-03   51.310 57
CPL  -0.814    3.003      77.2  -27.2      3.84e-02 9.27e-01   48.910 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: 11.328000 sec.
T50 in the 50-300 keV band: 6.336000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   48.000    0.584   48.584
T90    48.000    0.584   48.584
T50    32.000    0.584   32.584
Peak    1.000    8.084    9.084
  • 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
       66.0055    13.3860   0.0163    24.6400  -141.1272         1.0734494     11.843 TRIG_00820347                 
     
    Foreground time interval of the image:
      0.584  48.584 (delta_t =  48.000 [sec])
    Background time interval of the image:
    -200.115   0.584 (delta_t = 200.699 [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 8.192000
    

    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 8.192000
    

    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 8.192000
    

    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    0.584 sec. to   48.584 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.47119     ( -0.193431   0.195189 )
    Norm@50keV  : 1.49925E-03    ( -0.00018279   0.000181745 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.30 using 59 PHA bins.
    # Reduced chi-squared =          1.128 for     57 degrees of freedom 
    # Null hypothesis probability =   2.362582e-01
     
    Photon flux (15-150 keV)    in 48 sec: 0.185757 ( -0.022057  0.02208 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.86122e-07 ( -9.1417e-08  9.27058e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.584 sec. to   48.584 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.176427     ( -1.16458   0.90959 )
    Epeak [keV] : 66.4153      ( -13.6063 48.0973 )
    Norm@50keV  : 7.19515E-03    ( -0.00719516   0.0218728 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.91 using 59 PHA bins.
    # Reduced chi-squared =          1.034 for     56 degrees of freedom 
    # Null hypothesis probability =   4.047856e-01
     
    Photon flux (15-150 keV)    in 48 sec: 0.176622 ( -0.022965  0.022981 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.1453e-07 ( -9.85632e-08  1.03779e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.584 sec. to   48.584 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.176258   ( -0.814105   0.76735 )
    beta        : -10.00000    ( 10   2.25143e-07 )
    Epeak [keV] : 66.4017      ( -11.8982 48.1286 )
    Norm@50keV   : 7.19718E-03    ( -0.00719718   0.0219034 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.91 using 59 PHA bins.
    # Reduced chi-squared =          1.053 for     55 degrees of freedom 
    # Null hypothesis probability =   3.685531e-01
     
    Photon flux (15-150 keV)    in 48 sec: 0.177126 ( -0.022921  0.023301 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.27437e-07 ( -9.83568e-08  1.07468e-07 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 14.1431  (-1.75585  2.07961)
    R^2/D10^2   : 2.69773E-02  (-0.0104313   0.0162599)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.07 using 59 PHA bins.
    # Reduced chi-squared =          1.106 for     57 degrees of freedom 
    # Null hypothesis probability =   2.705527e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.466e-08   1.168e-08
    25- 50  2.053e-07   3.473e-08
    50-150  2.719e-07   6.701e-08
    15-150  5.319e-07   8.638e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.362       (-78.8291      -199.363)
    Norm        : 0.766104       (-0.0893653     0.0894473)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.88 using 59 PHA bins.
    # Reduced chi-squared =          1.086 for     57 degrees of freedom 
    # Null hypothesis probability =   3.061603e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.157e-08   5.110e-08
    25- 50  1.761e-07   9.703e-08
    50-150  3.863e-07   2.139e-07
    15-150  6.540e-07   3.566e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.83110        (-5.01754      4.54195)
    R1^2/D10^2  : 7.98275E-02        (-0.0494438      0.834591)
    kT2 [keV]   : 23.0840        (-11.2514      -23.0844)
    R2^2/D10^2  : 3.12342E-03    (-0.00306843   0.0100269)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.55 using 59 PHA bins.
    # Reduced chi-squared =          1.046 for     55 degrees of freedom 
    # Null hypothesis probability =   3.808705e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.205e-08   4.051e-08
    25- 50  1.974e-07   1.047e-07
    50-150  3.555e-07   1.889e-07
    15-150  6.249e-07   3.158e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    8.084 sec. to    9.084 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.13157     ( -0.441217   0.416511 )
    Norm@50keV  : 4.68292E-03    ( -0.00124039   0.00123826 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.31 using 59 PHA bins.
    # Reduced chi-squared =         0.9002 for     57 degrees of freedom 
    # Null hypothesis probability =   6.874071e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.544997 ( -0.147859  0.148862 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.84808e-08 ( -1.36326e-08  1.3841e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    8.084 sec. to    9.084 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -0.813540     ( -3.93784   2.06794 )
    Epeak [keV] : 77.1786      ( -22.8128 -77.1569 )
    Norm@50keV  : 3.84366E-02    ( -0.0385034   1.81629 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.91 using 59 PHA bins.
    # Reduced chi-squared =         0.8733 for     56 degrees of freedom 
    # Null hypothesis probability =   7.380184e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.507751 ( -0.154901  0.155902 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.33611e-08 ( -1.41277e-08  1.52041e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    8.084 sec. to    9.084 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 0.767100   ( -0.976478   2.42028 )
    beta        : -10.00000    ( 10   20 )
    Epeak [keV] : 77.5693      ( -21.0572 647.082 )
    Norm@50keV   : 3.68241E-02    ( -0.00942007   1.60619 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.91 using 59 PHA bins.
    # Reduced chi-squared =         0.8892 for     55 degrees of freedom 
    # Null hypothesis probability =   7.053145e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.544994 ( -0.14787  0.148867 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.4153e-08 ( -1.12852e-08  1.46352e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 18.4130  (-4.43994  6.72132)
    R^2/D10^2   : 3.54992E-02  (-0.0230537   0.0544134)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.04 using 59 PHA bins.
    # Reduced chi-squared =         0.8604 for     57 degrees of freedom 
    # Null hypothesis probability =   7.641136e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.392e-09   1.221e-09
    25- 50  1.125e-08   5.425e-09
    50-150  2.784e-08   1.609e-08
    15-150  4.148e-08   2.268e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.363       (-88.2311      -199.363)
    Norm        : 2.26824       (-0.61417     0.614196)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.35 using 59 PHA bins.
    # Reduced chi-squared =         0.9360 for     57 degrees of freedom 
    # Null hypothesis probability =   6.128177e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.648e-09   3.303e-09
    25- 50  1.087e-08   6.390e-09
    50-150  2.383e-08   1.433e-08
    15-150  4.034e-08   2.381e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.06038E-02        (0.822496      -0.0306038)
    R1^2/D10^2  : 4.32775E+22        (-4.32775e+22      -4.32775e+22)
    kT2 [keV]   : 18.4130        (-4.4399      6.72136)
    R2^2/D10^2  : 3.54994E-02    (-0.0230536   0.0544134)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.04 using 59 PHA bins.
    # Reduced chi-squared =         0.8917 for     55 degrees of freedom 
    # Null hypothesis probability =   7.003723e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  0.000e+00   0.000e+00
    25- 50  0.000e+00   0.000e+00
    50-150  0.000e+00   0.000e+00
    15-150  0.000e+00   0.000e+00
    

    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: 1.47119     ( -0.193431   0.195189 )
    Norm@50keV  : 1.49925E-03    ( -0.00018279   0.000181745 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.30 using 59 PHA bins.
    # Reduced chi-squared =          1.128 for     57 degrees of freedom 
    # Null hypothesis probability =   2.362582e-01
     
    Photon flux (15-150 keV)    in 48 sec: 0.185752 ( -0.0220559  0.0220795 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.8603e-07 ( -9.13834e-08  9.27432e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.176432     ( -1.16458   0.90959 )
    Epeak [keV] : 66.4154      ( -13.6063 48.0973 )
    Norm@50keV  : 7.19511E-03    ( -0.00719516   0.0218728 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.91 using 59 PHA bins.
    # Reduced chi-squared =          1.034 for     56 degrees of freedom 
    # Null hypothesis probability =   4.047856e-01
     
    Photon flux (15-150 keV)    in 48 sec: 0.176606 ( -0.022959  0.022978 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.14736e-07 ( -9.86688e-08  1.03872e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.176258   ( -0.814105   0.76735 )
    beta        : -10.00000    ( 10   2.25143e-07 )
    Epeak [keV] : 66.4017      ( -11.8982 48.1286 )
    Norm@50keV   : 7.19718E-03    ( -0.00719718   0.0219034 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.91 using 59 PHA bins.
    # Reduced chi-squared =          1.053 for     55 degrees of freedom 
    # Null hypothesis probability =   3.685531e-01
     
    Photon flux (15-150 keV)    in 48 sec: 0.177126 ( -0.022921  0.023301 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.27437e-07 ( -9.83568e-08  1.07468e-07 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 1.67e-07
    S(50-100 keV) = 2.41e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 48 sec.
    Hardness ratio (energy fluence ratio) = 1.44311
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 2.03411
    Count Ratio (50-100 keV) / (15-25 keV) = 1.29583
    

    Mask shadow pattern

    IMX = -3.571011420068040E-01, IMY = 2.878646867855455E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 8.192000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 8.192000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 8.192000
    

    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:
    -200.115380 0.584000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6408  22.0107    0.3  10.5  172.6   8.3606  45.1    0.5	Crab                          
     95.2752  42.1239    3.4  13.7   37.8   0.6630   3.4 ------	UNKNOWN                       
    164.6997  83.9114    2.8  56.8    3.1   4.1710   4.1 ------	UNKNOWN                       
     76.3691 -25.4649    3.1  58.3 -177.1   5.2201   3.7 ------	UNKNOWN                       
    

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

    Time interval of the image:
    0.584000 48.584000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.8048  22.1529    0.0  10.4  171.7   0.1676   2.1   12.7	Crab                          
     66.0055  13.3860    1.0  24.6 -141.1   1.0734  11.8 ------	UNKNOWN                       
     45.7553  10.6568    2.7  40.6 -118.1   0.9187   4.2 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    96.284600 962.656000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6356  22.0202    0.2  18.8   64.5  36.6020  53.0    0.4	Crab                          
     88.2150   0.8449    2.7  25.3  122.1   3.3263   4.3 ------	UNKNOWN                       
     83.2427   0.8658    2.7  21.2  129.1   3.0647   4.3 ------	UNKNOWN                       
     82.4525  56.7788    3.0  45.2   16.8   4.6619   3.8 ------	UNKNOWN                       
     66.9857 -42.3533    2.3  55.8 -176.7  13.1556   4.9 ------	UNKNOWN                       
     56.2557  26.8622    2.5  16.3  -28.6   2.8021   4.7 ------	UNKNOWN                       
     48.9573  41.7804    3.6  32.0  -20.2   2.2381   3.2 ------	UNKNOWN                       
     30.8887 -19.9060    2.7  48.0 -129.1  16.2222   4.2 ------	UNKNOWN                       
    
    Plot creation:
    Wed May 30 17:12:00 EDT 2018