batgrbproduct Analysis for Trigger=670800

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Mar 17 19:01:50 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger670800
======================================================================

  Trigger: 00670800      Segment: 000

  BAT Trigger Time: 474731983.36   [s; MET]
      Trigger Stop: 474731984.384   [s; MET]
               UTC: 2016-01-17T13:59:27.649320    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 132.190488716105   Dec: -16.3400348873399  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.06
     Image Trigger?:     NO
     Rate S/N Ratio:     11.4455231422596  [ if not an image trigger ]
     Image S/N Ratio:    7.06

  Flight Position:   [ source = BAT ]
    RA: 132.190488716105   Dec: -16.3400348873399  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 132.170487312476   Dec: -16.3432403732475  [deg; J2000]  
        { 08h 48m 40.9s , -16d 20' 35.7" }
         +/- 1.46484935781316 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.52363524188656 [arcmin] (formal 1-sigma fit error)
    SNR: 17.630770291536
 
  Angular difference between Flight and Ground position is 1.167552 arcmin
 
  Partial Coding Fraction: 0.9375    [ including projection effects ]

  Duration
     T90: 11.5359999537468 +/- 2.60802764034251
        Measured from: 0.367999970912933
                   to: 11.9039999246597     [s; relative to TRIGTIME]
     T50: 3.05199992656708 +/- 2.28039291133579
        Measured from: 2.05199998617172
                   to: 5.1039999127388     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.17199999094009     
                   to: 3.17199999094009     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.0199999809265137     
                   to: 14.472000002861     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.319477   0.283244   0.114536   0.006300
           0.025141   0.025535   0.021227   0.018047 [error]
 Peak      0.083649   0.086467   0.036505   0.007199
           0.007572   0.007853   0.006098   0.004590 [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 9.51e-08 1.09e-07 8.93e-08 1.23e-07 3.38e-07 4.16e-07   erg/cm2
              Error 1.25e-08 1.17e-08 1.87e-08 4.91e-08 4.26e-08 7.30e-08   erg/cm2
Peak flux Power-law 7.78e-01 5.75e-01 2.82e-01 1.97e-01 1.73e+00 1.83e+00   ph/cm2/s
              Error 1.13e-01 5.91e-02 4.86e-02 6.38e-02 1.78e-01 1.89e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.29e-08 1.15e-07 8.25e-08 4.39e-08 3.18e-07 3.34e-07   erg/cm2
              Error 1.29e-08 1.49e-08 2.43e-08 6.25e-08 5.02e-08 8.61e-08   erg/cm2
Peak flux Cutoff-PL 7.46e-01 6.18e-01 2.75e-01 8.39e-02 1.70e+00 1.72e+00   ph/cm2/s
              Error 1.24e-01 8.77e-02 5.93e-02 1.25e-01 1.84e-01 2.22e-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    2.285    0.211    -      -           2.45e-03 3.72e-04   52.280 57
CPL   1.778    0.659      16.1   19.6      5.08e-03 1.28e-02   51.240 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.026    0.191    -      -           1.14e-02 1.49e-03   65.300 57
CPL   1.437    0.924      38.1    0.0      2.56e-02 0.00e+00   63.920 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   14.452    0.020   14.472
T90    11.536    0.368   11.904
T50     3.052    2.052    5.104
Peak    1.000    2.172    3.172
  • Click here for the BAT GCN circular template
  • Special notes of this burst

    Image

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

    #   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
      132.1705   -16.3432   0.0109    12.3190   124.3787         0.6975210     17.631 TRIG_00670800                 
     
    Foreground time interval of the image:
      0.020  10.941 (delta_t =  10.921 [sec])
    Background time interval of the image:
    -728.859 -709.246 (delta_t =  19.613 [sec])
    -239.360   0.020 (delta_t = 239.380 [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    0.020 sec. to   14.472 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.28512     ( -0.203745   0.218687 )
    Norm@50keV  : 2.45111E-03    ( -0.000375634   0.000369281 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.28 using 59 PHA bins.
    # Reduced chi-squared =         0.9173 for     57 degrees of freedom 
    # Null hypothesis probability =   6.523348e-01
     
    Photon flux (15-150 keV)    in 14.45 sec: 0.424883 ( -0.042257  0.042257 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.37627e-07 ( -4.19499e-08  4.32175e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.020 sec. to   14.472 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.77786     ( -1.09698   0.22099 )
    Epeak [keV] : 16.1491      ( -15.6995 23.4895 )
    Norm@50keV  : 5.07737E-03    ( -0.00510034   0.0204349 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.24 using 59 PHA bins.
    # Reduced chi-squared =         0.9150 for     56 degrees of freedom 
    # Null hypothesis probability =   6.552671e-01
     
    Photon flux (15-150 keV)    in 14.45 sec: 0.417151 ( -0.043925  0.043803 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.17299e-07 ( -4.92414e-08  5.12268e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.020 sec. to   14.472 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.320479   ( 0.978149   0.978149 )
    beta        : -2.55976    ( 2.52121   0.352962 )
    Epeak [keV] : 24.2969      ( -23.2607 8.55892 )
    Norm@50keV   : 5.94314E-02    ( -0.0594567   576.607 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.18 using 59 PHA bins.
    # Reduced chi-squared =         0.9123 for     55 degrees of freedom 
    # Null hypothesis probability =   6.591091e-01
     
    Photon flux (15-150 keV)    in 14.45 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]    : 7.70521  (-0.867147  0.983064)
    R^2/D10^2   : 0.534616  (-0.206257   0.337076)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          66.62 using 59 PHA bins.
    # Reduced chi-squared =          1.169 for     57 degrees of freedom 
    # Null hypothesis probability =   1.798214e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.054e-08   1.383e-08
    25- 50  1.319e-07   1.866e-08
    50-150  3.057e-08   1.056e-08
    15-150  2.430e-07   2.998e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 40.5098       (-9.68354      14.6312)
    Norm        : 2.71408       (-0.508582     0.658047)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.75 using 59 PHA bins.
    # Reduced chi-squared =         0.9078 for     57 degrees of freedom 
    # Null hypothesis probability =   6.718931e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.044e-08   1.183e-08
    25- 50  1.196e-07   1.509e-08
    50-150  9.384e-08   3.007e-08
    15-150  3.039e-07   4.400e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.47675        (-1.34728      1.30269)
    R1^2/D10^2  : 1.68323        (-0.910204      3.13007)
    kT2 [keV]   : 18.4420        (-6.44466      16.0864)
    R2^2/D10^2  : 9.66246E-03    (-0.00869626   0.0523772)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.15 using 59 PHA bins.
    # Reduced chi-squared =         0.9118 for     55 degrees of freedom 
    # Null hypothesis probability =   6.600264e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.344e-08   4.193e-08
    25- 50  1.126e-07   4.508e-08
    50-150  1.145e-07   6.637e-08
    15-150  3.206e-07   1.366e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    2.172 sec. to    3.172 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.02596     ( -0.185595   0.195725 )
    Norm@50keV  : 1.13811E-02    ( -0.00150172   0.0014686 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.30 using 59 PHA bins.
    # Reduced chi-squared =          1.146 for     57 degrees of freedom 
    # Null hypothesis probability =   2.105032e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.72800 ( -0.17787  0.17791 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.05133e-07 ( -1.28355e-08  1.3065e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    2.172 sec. to    3.172 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.43742     ( -1.14861   0.700244 )
    Epeak [keV] : 38.1416      (   )
    Norm@50keV  : 2.55914E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.92 using 59 PHA bins.
    # Reduced chi-squared =          1.141 for     56 degrees of freedom 
    # Null hypothesis probability =   2.183001e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.69676 ( -0.18444  0.18347 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from    2.172 sec. to    3.172 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -4.13566E-02   ( -1.66015   0.0226415 )
    beta        : -2.39311    ( -0.764027   0.379183 )
    Epeak [keV] : 31.4168      ( -9.1615 11.7146 )
    Norm@50keV   : 0.237545    ( -0.266219   839.244 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.01 using 59 PHA bins.
    # Reduced chi-squared =          1.109 for     55 degrees of freedom 
    # Null hypothesis probability =   2.688578e-01
     
    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]    : 9.06493  (-0.962727  1.0939)
    R^2/D10^2   : 1.19375  (-0.432312   0.66159)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          75.83 using 59 PHA bins.
    # Reduced chi-squared =          1.330 for     57 degrees of freedom 
    # Null hypothesis probability =   4.835433e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.917e-08   3.130e-09
    25- 50  4.120e-08   5.145e-09
    50-150  1.607e-08   4.910e-09
    15-150  7.644e-08   1.011e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 60.5369       (-16.1262      25.6931)
    Norm        : 9.06189       (-1.49862     1.76296)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.87 using 59 PHA bins.
    # Reduced chi-squared =          1.121 for     57 degrees of freedom 
    # Null hypothesis probability =   2.477730e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.281e-08   3.130e-09
    25- 50  3.481e-08   3.785e-09
    50-150  3.990e-08   1.081e-08
    15-150  9.751e-08   1.241e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.40848        (-1.48446      1.3596)
    R1^2/D10^2  : 2.27172        (-1.01797      2.47863)
    kT2 [keV]   : 35.6686        (-17.6297      -35.7003)
    R2^2/D10^2  : 4.09927E-03    (-0.00399364   0.0438433)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.03 using 59 PHA bins.
    # Reduced chi-squared =          1.091 for     55 degrees of freedom 
    # Null hypothesis probability =   2.984281e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.189e-08   5.305e-09
    25- 50  3.707e-08   1.051e-08
    50-150  4.603e-08   2.351e-08
    15-150  1.050e-07   3.515e-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: 2.32134     ( -0.189276   0.202365 )
    Norm@50keV  : 3.04028E-03    ( -0.000435309   0.000429414 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.28 using 59 PHA bins.
    # Reduced chi-squared =         0.8119 for     57 degrees of freedom 
    # Null hypothesis probability =   8.441659e-01
     
    Photon flux (15-150 keV)    in 10.92 sec: 0.537694 ( -0.0498342  0.0498349 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.18542e-07 ( -3.65124e-08  3.7557e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.51247     ( -1.12313   0.607575 )
    Epeak [keV] : 21.8782      (   )
    Norm@50keV  : 9.78032E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.62 using 59 PHA bins.
    # Reduced chi-squared =         0.7790 for     56 degrees of freedom 
    # Null hypothesis probability =   8.857762e-01
     
    Photon flux (15-150 keV)    in 10.92 sec: 0.522987 ( -0.051559  0.051837 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.91192e-07 ( -4.09544e-08  4.59142e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 0.330937   ( -4.08797   0.626511 )
    beta        : -2.72007    ( 9.37162   19.3716 )
    Epeak [keV] : 25.3258      ( -21.2186 11.3995 )
    Norm@50keV   : 0.216930    ( -0.204134   479.577 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.03 using 59 PHA bins.
    # Reduced chi-squared =         0.7642 for     55 degrees of freedom 
    # Null hypothesis probability =   9.005510e-01
     
    Photon flux (15-150 keV)    in 10.92 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)  = 1.09e-07
    S(50-100 keV) = 8.93e-08
    

    T90 vs. Hardness ratio plot

    T90                                   = 11.5359999537468 sec.
    Hardness ratio (energy fluence ratio) = 0.819266
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.886587
    Count Ratio (50-100 keV) / (15-25 keV) = 0.358511
    

    Mask shadow pattern

    IMX = -1.233120555355369E-01, IMY = -1.802365736885335E-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:
    -728.859370 -709.246000
    -239.360000 0.020000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.4825 -40.5198    1.9  13.0  -87.0   1.4148   6.1    3.0	Vela X-1                      
     87.7110 -15.2716    3.4  40.9   32.8   1.7018   3.4 ------	UNKNOWN                       
    178.1922  -0.4007    3.5  54.1 -179.4   3.2221   3.3 ------	UNKNOWN                       
    113.0676 -43.6030    2.6  20.2  -30.0   1.0636   4.4 ------	UNKNOWN                       
    188.2774 -11.3236    3.2  57.1 -161.7   4.3225   3.6 ------	UNKNOWN                       
    190.7842 -12.5442    3.4  58.8 -159.2   6.2800   3.4 ------	UNKNOWN                       
    

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

    Time interval of the image:
    0.020000 10.940600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.4177 -40.6336    6.7  13.1  -86.6  -0.0744  -1.7    6.9	Vela X-1                      
    159.4470   2.1045    2.5  41.8  161.2   0.3792   4.6 ------	UNKNOWN                       
    132.1712 -16.3427    0.7  12.3  124.4   0.6954  17.6 ------	UNKNOWN                       
    168.6909  -7.9452    2.2  42.1 -178.4   0.3491   5.2 ------	UNKNOWN                       
     69.3943 -51.7204    2.8  49.9  -22.2   0.3701   4.2 ------	UNKNOWN                       
    140.2822 -68.2415    2.1  40.3  -73.0   0.7187   5.5 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    44.140620 838.585900
    840.640000 962.680000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.4329 -40.5418    1.8  24.3  -76.0   4.7432   6.5    4.4	Vela X-1                      
     92.4733  -4.0935    2.8  40.9   33.0   4.4669   4.1 ------	UNKNOWN                       
     79.2750 -18.5847    3.1  50.3    9.1   5.3358   3.8 ------	UNKNOWN                       
    164.3697  -3.6151    2.8  34.1 -178.5   3.0126   4.2 ------	UNKNOWN                       
    159.9292 -32.0413    2.9  29.6 -123.0   2.9901   3.9 ------	UNKNOWN                       
    170.4299 -44.4805    3.3  42.7 -110.7  10.1817   3.5 ------	UNKNOWN                       
    
    Plot creation:
    Fri Mar 18 11:53:50 EDT 2016