batgrbproduct Analysis for Trigger=682522

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jun  1 15:56:40 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger682522
======================================================================

  Trigger: 00682522      Segment: 000

  BAT Trigger Time: 482127850.816   [s; MET]
      Trigger Stop: 482127851.84   [s; MET]
               UTC: 2016-04-12T04:23:54.702760    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 33.1066844471939   Dec: -67.6453927684835  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.8
     Image Trigger?:     NO
     Rate S/N Ratio:     11.5758369027902  [ if not an image trigger ]
     Image S/N Ratio:    6.8

  Flight Position:   [ source = BAT ]
    RA: 33.1066844471939   Dec: -67.6453927684835  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 33.0739519548768   Dec: -67.6399829147724  [deg; J2000]  
        { 02h 12m 17.7s , -67d 38' 23.9" }
         +/- 0.878001438146648 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.253779864034574 [arcmin] (formal 1-sigma fit error)
    SNR: 36.6302163607862
 
  Angular difference between Flight and Ground position is 0.814520 arcmin
 
  Partial Coding Fraction: 0.7578125    [ including projection effects ]

  Duration
     T90: 32.1799999475479 +/- 3.93007892771808
        Measured from: -1.38400000333786
                   to: 30.7959999442101     [s; relative to TRIGTIME]
     T50: 12.4559999704361 +/- 1.37689506130348
        Measured from: 5.89200001955032
                   to: 18.3479999899864     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 14.4000000357628     
                   to: 15.4000000357628     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -4.30799996852875     
                   to: 40.1759999990463     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.177317   1.363932   0.715318   0.191249
           0.043307   0.045397   0.039402   0.035022 [error]
 Peak      0.068441   0.069519   0.046938   0.007019
           0.007269   0.007640   0.006620   0.005653 [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 3.85e-07 5.60e-07 6.09e-07 1.25e-06 1.94e-06 2.80e-06   erg/cm2
              Error 2.73e-08 2.40e-08 4.01e-08 1.72e-07 9.14e-08 2.06e-07   erg/cm2
Peak flux Power-law 6.68e-01 5.35e-01 2.89e-01 2.29e-01 1.60e+00 1.72e+00   ph/cm2/s
              Error 1.13e-01 6.21e-02 5.44e-02 8.20e-02 1.85e-01 2.03e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.77e-07 5.69e-07 6.09e-07 9.39e-07 1.91e-06 2.50e-06   erg/cm2
              Error 3.18e-08 2.99e-08 4.12e-08 3.75e-07 1.13e-07 4.03e-07   erg/cm2
Peak flux Cutoff-PL 6.25e-01 5.75e-01 2.92e-01 1.06e-01 1.56e+00 1.60e+00   ph/cm2/s
              Error 1.29e-01 8.25e-02 5.99e-02 1.29e-01 1.90e-01 2.32e-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    1.879    0.083    -      -           4.74e-03 2.24e-04   58.400 57
CPL   1.724    0.335      80.3  -25.6      5.76e-03 2.09e-03   57.740 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.887    0.213    -      -           1.12e-02 1.59e-03   72.760 57
CPL   1.274    0.892      51.6    0.0      2.48e-02 0.00e+00   71.170 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: 26.368000 sec.
T50 in the 50-300 keV band: 10.560000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   44.484   -4.308   40.176
T90    32.180   -1.384   30.796
T50    12.456    5.892   18.348
Peak    1.000   14.400   15.400
  • Click here for the BAT GCN circular template
  • Special notes of this burst
  • 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
       33.0740   -67.6400   0.0052    25.3605   151.1442         2.2591009     36.630 TRIG_00682522                 
     
    Foreground time interval of the image:
     -4.308  15.885 (delta_t =  20.193 [sec])
    Background time interval of the image:
    -239.816  -4.308 (delta_t = 235.508 [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 1.024000
    

    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 1.024000
    

    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 1.024000
    

    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   -4.308 sec. to   40.176 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.87882     ( -0.0825128   0.0834461 )
    Norm@50keV  : 4.74292E-03    ( -0.000224292   0.00022272 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.40 using 59 PHA bins.
    # Reduced chi-squared =          1.024 for     57 degrees of freedom 
    # Null hypothesis probability =   4.238722e-01
     
    Photon flux (15-150 keV)    in 44.48 sec: 0.674661 ( -0.029738  0.0298 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.93975e-06 ( -9.11809e-08  9.16506e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -4.308 sec. to   40.176 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.72351     ( -0.350416   0.31965 )
    Epeak [keV] : 80.2785      ( -29.0075 -80.2883 )
    Norm@50keV  : 5.75585E-03    ( -0.001087   0.0030937 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.74 using 59 PHA bins.
    # Reduced chi-squared =          1.031 for     56 degrees of freedom 
    # Null hypothesis probability =   4.106951e-01
     
    Photon flux (15-150 keV)    in 44.48 sec: 0.668110 ( -0.032689  0.032648 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.90614e-06 ( -1.14774e-07  1.12201e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   -4.308 sec. to   40.176 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 2.36609   ( -2.52699   -1.05706 )
    beta        : -1.97252    ( -0.192663   0.110655 )
    Epeak [keV] : 25.4410      ( -5.53056 23.2913 )
    Norm@50keV   : 7.04912    ( -7.04927   319.176 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.89 using 59 PHA bins.
    # Reduced chi-squared =         0.9434 for     55 degrees of freedom 
    # Null hypothesis probability =   5.943940e-01
     
    Photon flux (15-150 keV)    in 44.48 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]    : 11.1187  (  )
    R^2/D10^2   : 0.202467  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         173.33 using 59 PHA bins.
    # Reduced chi-squared =         3.0408 for     57 degrees of freedom 
    # Null hypothesis probability =   1.140076e-13
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.331e-07   1.813e-08
    25- 50  6.682e-07   3.136e-08
    50-150  4.705e-07   5.013e-08
    15-150  1.372e-06   6.805e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 87.8089       (-13.1481      17.2182)
    Norm        : 3.02712       (-0.207627     0.230798)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.28 using 59 PHA bins.
    # Reduced chi-squared =          1.075 for     57 degrees of freedom 
    # Null hypothesis probability =   3.250585e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.510e-07   2.466e-08
    25- 50  5.905e-07   2.647e-08
    50-150  8.855e-07   1.902e-07
    15-150  1.827e-06   2.188e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.49281        (-0.873447      0.878439)
    R1^2/D10^2  : 0.723429        (-0.223684      0.377042)
    kT2 [keV]   : 31.5229        (-7.66583      15.455)
    R2^2/D10^2  : 3.04135E-03    (-0.00205853   0.00490841)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.37 using 59 PHA bins.
    # Reduced chi-squared =          1.007 for     55 degrees of freedom 
    # Null hypothesis probability =   4.606171e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.302e-07   3.552e-08
    25- 50  6.106e-07   5.338e-08
    50-150  9.834e-07   3.681e-07
    15-150  1.924e-06   3.861e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   14.400 sec. to   15.400 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.88711     ( -0.207228   0.219727 )
    Norm@50keV  : 1.11776E-02    ( -0.00161178   0.00157103 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          72.76 using 59 PHA bins.
    # Reduced chi-squared =          1.276 for     57 degrees of freedom 
    # Null hypothesis probability =   7.791371e-02
     
    Photon flux (15-150 keV)    in 1 sec: 1.59549 ( -0.18532  0.18535 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.02773e-07 ( -1.44142e-08  1.47168e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   14.400 sec. to   15.400 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.27391     ( -0.983939   0.801029 )
    Epeak [keV] : 51.6059      (   )
    Norm@50keV  : 2.47596E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.17 using 59 PHA bins.
    # Reduced chi-squared =          1.271 for     56 degrees of freedom 
    # Null hypothesis probability =   8.334988e-02
     
    Photon flux (15-150 keV)    in 1 sec: 1.56277 ( -0.19029  0.19034 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 9.73509e-08 ( -1.54101e-08  1.62574e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   14.400 sec. to   15.400 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.27358   ( 1.29795   2.86009 )
    beta        : -4.08385    ( 3.79398   13.794 )
    Epeak [keV] : 51.5825      ( -51.5821 -51.5821 )
    Norm@50keV   : 2.47695E-02    ( -0.014602   0 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.17 using 59 PHA bins.
    # Reduced chi-squared =          1.294 for     55 degrees of freedom 
    # Null hypothesis probability =   7.019763e-02
     
    Photon flux (15-150 keV)    in 1 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]    : 11.1535  (-1.52278  1.74814)
    R^2/D10^2   : 0.502363  (-0.209985   0.364689)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          86.32 using 59 PHA bins.
    # Reduced chi-squared =          1.514 for     57 degrees of freedom 
    # Null hypothesis probability =   7.335667e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.309e-08   2.955e-09
    25- 50  3.768e-08   5.835e-09
    50-150  2.676e-08   7.710e-09
    15-150  7.753e-08   1.222e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 81.7493       (-25.8837      49.3204)
    Norm        : 7.47513       (-1.1592     1.49439)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.21 using 59 PHA bins.
    # Reduced chi-squared =          1.249 for     57 degrees of freedom 
    # Null hypothesis probability =   9.767397e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.942e-08   3.080e-09
    25- 50  3.214e-08   4.550e-09
    50-150  4.603e-08   2.279e-08
    15-150  9.759e-08   2.315e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 4.34142        (-1.53235      2.19402)
    R1^2/D10^2  : 10.8131        (-8.5369      77.0738)
    kT2 [keV]   : 16.0123        (-3.27082      5.74484)
    R2^2/D10^2  : 0.107013    (-0.077267   0.098691)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          70.06 using 59 PHA bins.
    # Reduced chi-squared =          1.274 for     55 degrees of freedom 
    # Null hypothesis probability =   8.300621e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.010e-08   1.016e-08
    25- 50  3.042e-08   1.416e-08
    50-150  4.294e-08   2.459e-08
    15-150  9.346e-08   4.523e-08
    

    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: 1.87123     ( -0.0858105   0.0869929 )
    Norm@50keV  : 6.97724E-03    ( -0.000348555   0.000345953 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.72 using 59 PHA bins.
    # Reduced chi-squared =         0.8548 for     57 degrees of freedom 
    # Null hypothesis probability =   7.742878e-01
     
    Photon flux (15-150 keV)    in 20.19 sec: 0.989299 ( -0.0456982  0.0457836 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.29503e-06 ( -6.4436e-08  6.48557e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.58488     ( -0.368572   0.334233 )
    Epeak [keV] : 65.9875      ( -16.6277 -65.9887 )
    Norm@50keV  : 9.94335E-03    ( -0.00313078   0.00564759 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.65 using 59 PHA bins.
    # Reduced chi-squared =         0.8331 for     56 degrees of freedom 
    # Null hypothesis probability =   8.088845e-01
     
    Photon flux (15-150 keV)    in 20.19 sec: 0.971965 ( -0.049828  0.049845 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.25724e-06 ( -7.83554e-08  7.84664e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 0.666426   ( -2.17698   -0.663134 )
    beta        : -1.98076    ( -0.145362   0.123791 )
    Epeak [keV] : 29.1048      ( -6.96319 36.8765 )
    Norm@50keV   : 0.425217    ( -0.41566   433.678 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.48 using 59 PHA bins.
    # Reduced chi-squared =         0.7906 for     55 degrees of freedom 
    # Null hypothesis probability =   8.689065e-01
     
    Photon flux (15-150 keV)    in 20.19 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)  = 5.60e-07
    S(50-100 keV) = 6.09e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 32.1799999475479 sec.
    Hardness ratio (energy fluence ratio) = 1.0875
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.15851
    Count Ratio (50-100 keV) / (15-25 keV) = 0.607583
    

    Mask shadow pattern

    IMX = -4.151392283191319E-01, IMY = -2.287511584243762E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.024000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.024000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.024000
    

    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:
    -239.816000 -4.308000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     68.2849 -75.5712    2.8  32.5  127.5   1.3062   4.1 ------	UNKNOWN                       
     94.9378 -34.6430    2.6  35.1   45.7   1.4638   4.5 ------	UNKNOWN                       
    305.9875 -71.4878    2.3  53.0  158.3   5.1762   5.0 ------	UNKNOWN                       
     32.8540 -67.6461    2.2  25.4  151.3   1.1841   5.3 ------	UNKNOWN                       
     51.3912 -18.3802    2.9  25.7  -42.5   0.8324   4.1 ------	UNKNOWN                       
    332.9799 -42.7502    2.6  54.2 -162.2   2.7470   4.4 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -4.308000 15.884600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.2331 -77.5627    2.5  51.5  150.5   1.3728   4.5 ------	UNKNOWN                       
     98.7737 -29.2305    2.1  40.8   41.0   0.7046   5.5 ------	UNKNOWN                       
     33.0739 -67.6400    0.3  25.4  151.1   2.2592  36.6 ------	UNKNOWN                       
     19.6185 -12.9774    2.7  40.8  -94.4   0.9093   4.4 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    67.284590 962.287300
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     99.8782 -45.7464    3.0  39.9   14.1   2.9084   3.8 ------	UNKNOWN                       
    102.0583 -29.0766    3.7  55.3    5.1   6.0495   3.1 ------	UNKNOWN                       
    308.9159 -44.6982    3.3  47.3  176.6   3.9341   3.5 ------	UNKNOWN                       
     95.5286 -28.2539    2.4  53.6   -1.7   6.3809   4.9 ------	UNKNOWN                       
      8.9086 -61.6891    3.6  11.8 -149.0   1.5587   3.2 ------	UNKNOWN                       
    314.3187 -30.8657    2.8  57.5 -170.3  10.4804   4.1 ------	UNKNOWN                       
    323.2848 -25.7075    3.5  58.7 -159.3  14.5610   3.3 ------	UNKNOWN                       
    
    Plot creation:
    Wed Jun  1 17:52:01 EDT 2016