batgrbproduct Analysis for Trigger=559482

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Sep 10 17:19:51 EDT 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger559482
======================================================================

  Trigger: 00559482      Segment: 000

  BAT Trigger Time: 394345074.368   [s; MET]
      Trigger Stop: 394345075.392   [s; MET]
               UTC: 2013-07-01T04:17:43.630460    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 357.215620241738   Dec: 36.099431990312  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    22.22
     Image Trigger?:     NO
     Rate S/N Ratio:     135.14806694881  [ if not an image trigger ]
     Image S/N Ratio:    22.22

  Flight Position:   [ source = BAT ]
    RA: 357.215620241738   Dec: 36.099431990312  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 357.223735416883   Dec: 36.099591237941  [deg; J2000]  
        { 23h 48m 53.7s , +36d 05' 58.5" }
         +/- 0.758440690399934 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.20031326778811 [arcmin] (formal 1-sigma fit error)
    SNR: 45.1501207219042
 
  Angular difference between Flight and Ground position is 0.393537 arcmin
 
  Partial Coding Fraction: 0.28125    [ including projection effects ]

  Duration
     T90: 4.37999993562698 +/- 0.252634126101044
        Measured from: -0.39599996805191
                   to: 3.98399996757507     [s; relative to TRIGTIME]
     T50: 2.32400000095367 +/- 0.130598592485389
        Measured from: 0.412000000476837
                   to: 2.73600000143051     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.0600000023841858     
                   to: 1.06000000238419     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.13999998569489     
                   to: 5.3520000576973     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.590754   2.607478   2.030967   0.437232
           0.046383   0.055394   0.049608   0.030825 [error]
 Peak      0.375108   0.725822   0.700676   0.184274
           0.021307   0.027512   0.027125   0.016700 [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 6.60e-07 1.16e-06 1.55e-06 4.25e-06 4.50e-06 7.62e-06   erg/cm2
              Error 3.26e-08 3.48e-08 4.94e-08 2.92e-07 1.24e-07 3.25e-07   erg/cm2
Peak flux Power-law 4.75e+00 5.49e+00 4.56e+00 6.37e+00 1.71e+01 2.12e+01   ph/cm2/s
              Error 3.65e-01 2.65e-01 2.14e-01 6.07e-01 7.39e-01 9.02e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.66e-07 1.21e-06 1.65e-06 2.01e-06 4.38e-06 5.45e-06   erg/cm2
              Error 4.07e-08 4.00e-08 5.96e-08 4.07e-07 1.31e-07 4.16e-07   erg/cm2
Peak flux Cutoff-PL 4.13e+00 5.75e+00 4.93e+00 3.70e+00 1.68e+01 1.85e+01   ph/cm2/s
              Error 4.47e-01 3.01e-01 2.75e-01 8.95e-01 7.51e-01 1.15e+00   ph/cm2/s
 
Fluence        Band 5.40e-07 1.23e-06 1.61e-06 3.05e-06 4.36e-06 6.44e-06   erg/cm2
              Error 4.67e-08 4.90e-08 7.27e-08 -------- 1.30e-07 --------   erg/cm2
Peak flux      Band 4.03e+00 5.83e+00 4.85e+00 4.78e+00 1.67e+01 1.95e+01   ph/cm2/s
              Error -------- -------- -------- -------- 7.60e-01 --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.579    0.045    -      -           7.40e-02 1.98e-03   76.370 57
CPL   0.903    0.206      89.2   12.4      1.52e-01 3.30e-02   40.050 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.268    0.067    -      -           1.44e-01 5.99e-03   72.190 57
CPL   0.656    0.291     122.6   39.6      2.77e-01 8.58e-02   57.450 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: 3.776000 sec.
T50 in the 50-300 keV band: 1.792000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    6.492   -1.140    5.352
T90     4.380   -0.396    3.984
T50     2.324    0.412    2.736
Peak    1.000    0.060    1.060
  • 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
      357.2237    36.0996   0.0042    41.1652  -130.2012         7.0458895     45.150 TRIG_00559482                 
     
    Foreground time interval of the image:
     -1.140   5.352 (delta_t =   6.492 [sec])
    Background time interval of the image:
    -239.368  -1.140 (delta_t = 238.228 [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

    8 ms binning

    From T100_start-3 s to T100_start+3 s

    2 ms binning

    From T100_start-1 s to T100_start+1 s

    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)

    The mask-weighted light curves based on cleaned DPHs

    Spectral Evolution

    Spectra

    Notes:

    Time averaged spectrum fit using the average DRM

    Power-law model
    Time interval is from   -1.140 sec. to    5.352 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.57870     ( -0.0453813   0.0454658 )
    Norm@50keV  : 7.39963E-02    ( -0.00197593   0.00197582 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          76.37 using 59 PHA bins.
    # Reduced chi-squared =          1.340 for     57 degrees of freedom 
    # Null hypothesis probability =   4.432090e-02
     
    Photon flux (15-150 keV)    in 6.492 sec: 9.44722 ( -0.278662  0.279287 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.50469e-06 ( -1.24172e-07  1.24243e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -1.140 sec. to    5.352 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.902600     ( -0.210102   0.200911 )
    Epeak [keV] : 89.1621      ( -9.35095 15.3628 )
    Norm@50keV  : 0.152299    ( -0.0287344   0.0372383 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          40.05 using 59 PHA bins.
    # Reduced chi-squared =         0.7152 for     56 degrees of freedom 
    # Null hypothesis probability =   9.468694e-01
     
    Photon flux (15-150 keV)    in 6.492 sec: 9.09109 ( -0.29281  0.2939 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.3778e-06 ( -1.31807e-07  1.3119e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   -1.140 sec. to    5.352 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.583242   ( -0.421022   0.636107 )
    beta        : -1.96166    ( 1.96158   0.169203 )
    Epeak [keV] : 69.8488      ( -16.8225 25.71 )
    Norm@50keV   : 0.231216    ( -0.0941347   0.331924 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          37.99 using 59 PHA bins.
    # Reduced chi-squared =         0.6907 for     55 degrees of freedom 
    # Null hypothesis probability =   9.610036e-01
     
    Photon flux (15-150 keV)    in 6.492 sec: 9.00890 ( -2.0089  -0.30416 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.36349e-06 ( -4.36345e-06  -1.30139e-07 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 16.0804  (  )
    R^2/D10^2   : 0.833057  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         262.94 using 59 PHA bins.
    # Reduced chi-squared =         4.6130 for     57 degrees of freedom 
    # Null hypothesis probability =   3.262601e-28
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.888e-07   1.522e-08
    25- 50  1.221e-06   4.447e-08
    50-150  2.210e-06   1.016e-07
    15-150  3.720e-06   1.097e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 197.888       (-24.9611      -197.914)
    Norm        : 38.4830       (-1.04732     1.17833)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.83 using 59 PHA bins.
    # Reduced chi-squared =         0.8567 for     57 degrees of freedom 
    # Null hypothesis probability =   7.708097e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.227e-07   2.454e-08
    25- 50  1.197e-06   4.025e-08
    50-150  2.618e-06   9.154e-08
    15-150  4.438e-06   1.519e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.42879        (-0.9396      0.98002)
    R1^2/D10^2  : 4.90761        (-1.35377      2.15575)
    kT2 [keV]   : 26.6788        (-2.70055      3.75559)
    R2^2/D10^2  : 9.89349E-02    (-0.0401231   0.0539097)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.07 using 59 PHA bins.
    # Reduced chi-squared =         0.7831 for     55 degrees of freedom 
    # Null hypothesis probability =   8.784046e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.010e-07   4.489e-08
    25- 50  1.260e-06   8.018e-08
    50-150  2.593e-06   2.428e-07
    15-150  4.354e-06   3.291e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.060 sec. to    1.060 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.26808     ( -0.0672229   0.0671409 )
    Norm@50keV  : 0.144177    ( -0.0059853   0.00598526 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          72.19 using 59 PHA bins.
    # Reduced chi-squared =          1.267 for     57 degrees of freedom 
    # Null hypothesis probability =   8.465227e-02
     
    Photon flux (15-150 keV)    in 1 sec: 17.1037 ( -0.73851  0.739194 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.43616e-06 ( -6.41931e-08  6.42809e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.060 sec. to    1.060 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.655967     ( -0.30053   0.281713 )
    Epeak [keV] : 122.632      ( -23.3174 55.8742 )
    Norm@50keV  : 0.277369    ( -0.070439   0.101206 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.45 using 59 PHA bins.
    # Reduced chi-squared =          1.026 for     56 degrees of freedom 
    # Null hypothesis probability =   4.213166e-01
     
    Photon flux (15-150 keV)    in 1 sec: 16.7967 ( -0.7505  0.7512 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.41045e-06 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.060 sec. to    1.060 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.458735   ( -0.533261   2.22811 )
    beta        : -1.66826    ( 1.66826   0.277916 )
    Epeak [keV] : 97.3274      ( -55.3937 51.302 )
    Norm@50keV   : 0.359460    ( -0.148759   12.7777 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.16 using 59 PHA bins.
    # Reduced chi-squared =          1.039 for     55 degrees of freedom 
    # Null hypothesis probability =   3.947120e-01
     
    Photon flux (15-150 keV)    in 1 sec: 16.7202 ( -9.7202  -0.7598 ) 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]    : 18.5633  (  )
    R^2/D10^2   : 1.02937  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         145.50 using 59 PHA bins.
    # Reduced chi-squared =         2.5527 for     57 degrees of freedom 
    # Null hypothesis probability =   1.115473e-09
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.030e-08   5.975e-09
    25- 50  3.326e-07   1.925e-08
    50-150  8.381e-07   5.440e-08
    15-150  1.241e-06   6.000e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.361       (      )
    Norm        : 71.6183       (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         115.01 using 59 PHA bins.
    # Reduced chi-squared =         2.0178 for     57 degrees of freedom 
    # Null hypothesis probability =   8.504756e-06
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.783e-07   7.900e-09
    25- 50  3.431e-07   1.500e-08
    50-150  7.524e-07   3.390e-08
    15-150  1.274e-06   5.850e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.65832        (-1.55284      1.77073)
    R1^2/D10^2  : 6.93088        (-2.74868      5.52903)
    kT2 [keV]   : 29.4374        (-4.00435      6.7664)
    R2^2/D10^2  : 0.171129    (-0.0904473   0.125979)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.26 using 59 PHA bins.
    # Reduced chi-squared =          1.041 for     55 degrees of freedom 
    # Null hypothesis probability =   3.913407e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.225e-07   2.291e-08
    25- 50  3.415e-07   4.095e-08
    50-150  9.525e-07   1.732e-07
    15-150  1.417e-06   1.930e-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: 1.57870     ( -0.0453813   0.0454658 )
    Norm@50keV  : 7.39963E-02    ( -0.00197593   0.00197582 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          76.37 using 59 PHA bins.
    # Reduced chi-squared =          1.340 for     57 degrees of freedom 
    # Null hypothesis probability =   4.432090e-02
     
    Photon flux (15-150 keV)    in 6.492 sec: 9.44722 ( -0.278662  0.279287 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.50469e-06 ( -1.24172e-07  1.24243e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.902600     ( -0.210102   0.200911 )
    Epeak [keV] : 89.1621      ( -9.35095 15.3628 )
    Norm@50keV  : 0.152299    ( -0.0287344   0.0372383 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          40.05 using 59 PHA bins.
    # Reduced chi-squared =         0.7152 for     56 degrees of freedom 
    # Null hypothesis probability =   9.468694e-01
     
    Photon flux (15-150 keV)    in 6.492 sec: 9.09109 ( -0.29281  0.2939 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.3778e-06 ( -1.31807e-07  1.3119e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.583242   ( -0.421022   0.636107 )
    beta        : -1.96166    ( 1.96158   0.169203 )
    Epeak [keV] : 69.8488      ( -16.8225 25.71 )
    Norm@50keV   : 0.231216    ( -0.0941347   0.331924 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          37.99 using 59 PHA bins.
    # Reduced chi-squared =         0.6907 for     55 degrees of freedom 
    # Null hypothesis probability =   9.610036e-01
     
    Photon flux (15-150 keV)    in 6.492 sec: 9.00890 ( -2.0089  -0.30416 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.36349e-06 ( -4.36345e-06  -1.30139e-07 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 1.16e-06
    S(50-100 keV) = 1.55e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 4.37999993562698 sec.
    Hardness ratio (energy fluence ratio) = 1.33621
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.63915
    Count Ratio (50-100 keV) / (15-25 keV) = 1.27673
    

    Mask shadow pattern

    IMX = -5.643777236738406E-01, IMY = 6.678219948756898E-01
    

    TIME vs. PHA plot around the trigger time

    TIME vs. DetID plot around the trigger time

    100 us light curve (15-350 keV)

    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:
    -239.368000 -1.140000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.7182  35.2290   11.9  48.0  162.7   0.6311   1.0    6.5	Cyg X-1                       
    307.9691  40.9329    5.0  47.4  174.4   1.1179   2.3    6.5	Cyg X-3                       
    326.1664  38.3472    6.9  38.8 -168.9   0.4665   1.7    1.6	Cyg X-2                       
    293.5343   6.7438    2.1  42.0  122.0   4.7854   5.6 ------	UNKNOWN                       
    324.4688 -49.8433    4.3  51.1   31.2   3.0710   2.7 ------	UNKNOWN                       
    339.6856 -21.8095    2.8  22.6   11.3   0.8404   4.1 ------	UNKNOWN                       
     19.3854 -41.2326    3.1  57.7  -16.0   3.7922   3.7 ------	UNKNOWN                       
      9.2759 -15.3222    2.5  37.2  -41.2   1.3562   4.5 ------	UNKNOWN                       
     23.2843 -17.4297    3.8  50.6  -44.5   3.6390   3.0 ------	UNKNOWN                       
      0.2045  46.3895    2.7  51.0 -135.6   4.8233   4.2 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -1.140000 5.352000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.6031  35.1971   13.9  48.0  162.6   0.1176   0.8    0.7	Cyg X-1                       
    308.1539  40.7937    5.7  47.2  174.4   0.2269   2.0    9.7	Cyg X-3                       
    326.1232  38.1434    0.0  38.6 -169.1  -0.0132  -0.2   10.9	Cyg X-2                       
    357.2237  36.0996    0.3  41.2 -130.2   7.0462  45.2 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    74.332600 962.694400
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.4395  35.2120    5.2  46.2  133.2  -1.5205  -2.2    7.4	Cyg X-1                       
    308.1175  40.9567   18.5  38.2  139.1   0.2034   0.6    0.4	Cyg X-3                       
    326.1761  38.3155  129.5  24.7  130.9   0.0157   0.1    0.4	Cyg X-2                       
    311.6410  23.9793    2.5  40.9  112.1   2.6542   4.6 ------	UNKNOWN                       
    301.7816  76.1833    2.2  47.0 -169.2   1.3482   5.3 ------	UNKNOWN                       
    200.2582  84.0522    3.3  59.4 -156.3   3.2461   3.5 ------	UNKNOWN                       
    109.6091  85.3252    2.5  55.8 -148.4   4.0181   4.5 ------	UNKNOWN                       
     49.4744  38.7159    3.2  41.0  -83.6   2.3148   3.6 ------	UNKNOWN                       
    
    Plot creation:
    Sat May 30 16:12:06 EDT 2015