batgrbproduct Analysis for Trigger=660671

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Nov 16 01:27:45 EST 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger660671
======================================================================

  Trigger: 00660671      Segment: 000

  BAT Trigger Time: 467083767.872   [s; MET]
      Trigger Stop: 467083768.896   [s; MET]
               UTC: 2015-10-21T01:29:12.571160    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 337.611486078815   Dec: -33.1989135771919  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.89
     Image Trigger?:     NO
     Rate S/N Ratio:     35.028559776274  [ if not an image trigger ]
     Image S/N Ratio:    6.89

  Flight Position:   [ source = BAT ]
    RA: 337.611486078815   Dec: -33.1989135771919  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 337.64732576254   Dec: -33.188926355189  [deg; J2000]  
        { 22h 30m 35.4s , -33d 11' 20.1" }
         +/- 0.953072280628945 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.305838480370022 [arcmin] (formal 1-sigma fit error)
    SNR: 32.5790645789516
 
  Angular difference between Flight and Ground position is 1.896638 arcmin
 
  Partial Coding Fraction: 0.1054688    [ including projection effects ]

  Duration
     T90: 110.055999994278 +/- 3.59386366914112
        Measured from: -15.2039999961853
                   to: 94.8519999980927     [s; relative to TRIGTIME]
     T50: 36.3719999790192 +/- 1.13083329441536
        Measured from: 0.675999999046326
                   to: 37.0479999780655     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.131999969482422     
                   to: 0.868000030517578     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -21.6200000047684     
                   to: 127.424000024796     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total    10.781857  15.186069  12.009707   3.691396
           0.177256   0.198785   0.188483   0.148115 [error]
 Peak      0.293533   0.355235   0.375000   0.129215
           0.026112   0.031302   0.032684   0.024505 [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 3.79e-06 6.86e-06 9.53e-06 2.76e-05 2.74e-05 4.78e-05   erg/cm2
              Error 1.56e-07 1.62e-07 2.10e-07 1.45e-06 5.26e-07 1.52e-06   erg/cm2
Peak flux Power-law 3.04e+00 3.20e+00 2.39e+00 2.90e+00 9.74e+00 1.15e+01   ph/cm2/s
              Error 4.65e-01 2.94e-01 2.67e-01 6.78e-01 8.40e-01 1.02e+00   ph/cm2/s
 
Fluence   Cutoff-PL 3.79e-06 6.86e-06 9.54e-06 2.74e-05 2.74e-05 4.76e-05   erg/cm2
              Error 1.61e-07 1.60e-07 2.11e-07 1.33e-06 5.20e-07 1.92e-06   erg/cm2
Peak flux Cutoff-PL 3.08e+00 3.22e+00 2.38e+00 2.82e+00 9.75e+00 1.15e+01   ph/cm2/s
              Error 4.65e-01 2.90e-01 2.68e-01 8.01e-01 8.38e-01 1.29e+00   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    1.525    0.037    -      -           1.95e-02 3.69e-04   37.100 57
CPL   1.523    0.037    9999.4    0.0      1.95e-02 1.05e-03   37.180 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.420    0.156    -      -           7.96e-02 6.96e-03   47.830 57
CPL   1.418    0.211    9999.4    0.0      7.99e-02 5.42e-02   47.850 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: 102.080000 sec.
T50 in the 50-300 keV band: 30.592000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  149.044  -21.620  127.424
T90   110.056  -15.204   94.852
T50    36.372    0.676   37.048
Peak    1.000   -0.132    0.868
  • Click here for the BAT GCN circular template

    Image

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

    #   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
      337.6473   -33.1889   0.0060    43.6488    37.5777        22.7162599     32.579 TRIG_00660671                 
     
    Foreground time interval of the image:
    -21.620  16.829 (delta_t =  38.449 [sec])
    Background time interval of the image:
    -239.872 -21.620 (delta_t = 218.252 [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  -21.620 sec. to  127.424 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.52493     ( -0.0370307   0.0370114 )
    Norm@50keV  : 1.94554E-02    ( -0.000368632   0.000368495 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          37.10 using 59 PHA bins.
    # Reduced chi-squared =         0.6509 for     57 degrees of freedom 
    # Null hypothesis probability =   9.809880e-01
     
    Photon flux (15-150 keV)    in 149 sec: 2.44544 ( -0.0549612  0.0551901 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.73916e-05 ( -5.25387e-07  5.2563e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -21.620 sec. to  127.424 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.52347     ( -0.0384361   0.0362975 )
    Epeak [keV] : 9999.36      ( -9999.36 -9999.36 )
    Norm@50keV  : 1.94844E-02    ( -0.000367566   0.00173074 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          37.18 using 59 PHA bins.
    # Reduced chi-squared =         0.6639 for     56 degrees of freedom 
    # Null hypothesis probability =   9.752514e-01
     
    Photon flux (15-150 keV)    in 149 sec: 2.44703 ( -0.05827  0.05229 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.73938e-05 ( -5.23735e-07  5.16285e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -21.620 sec. to  127.424 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.712455   ( 0.996294   5.87017 )
    beta        : -1.53556    ( -0.0483707   0.0403238 )
    Epeak [keV] : 43.9723      ( -43.9903 107.734 )
    Norm@50keV   : 7.14302E-02    ( -0.072059   1.88467e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          36.12 using 59 PHA bins.
    # Reduced chi-squared =         0.6567 for     55 degrees of freedom 
    # Null hypothesis probability =   9.769764e-01
     
    Photon flux (15-150 keV)    in 149 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]    : 17.8689  (  )
    R^2/D10^2   : 0.141446  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         734.59 using 59 PHA bins.
    # Reduced chi-squared =         12.888 for     57 degrees of freedom 
    # Null hypothesis probability =  1.986586e-118
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.350e-06   5.647e-08
    25- 50  6.211e-06   1.810e-07
    50-150  1.437e-05   4.217e-07
    15-150  2.193e-05   4.321e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-4.69772      -200)
    Norm        : 9.99879       (-0.188741     0.188741)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.00 using 59 PHA bins.
    # Reduced chi-squared =          1.246 for     57 degrees of freedom 
    # Null hypothesis probability =   1.005719e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.711e-06   7.971e-08
    25- 50  7.139e-06   1.475e-07
    50-150  1.566e-05   3.427e-07
    15-150  2.651e-05   5.885e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.95155        (-0.517184      0.541468)
    R1^2/D10^2  : 1.67924        (-0.344595      0.457805)
    kT2 [keV]   : 32.4431        (-2.3466      2.8818)
    R2^2/D10^2  : 1.46831E-02    (-0.00366099   0.00437095)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.41 using 59 PHA bins.
    # Reduced chi-squared =         0.8621 for     55 degrees of freedom 
    # Null hypothesis probability =   7.565444e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.191e-06   1.862e-07
    25- 50  7.113e-06   2.742e-07
    50-150  1.693e-05   6.854e-07
    15-150  2.724e-05   8.717e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   -0.132 sec. to    0.868 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.42029     ( -0.154429   0.15749 )
    Norm@50keV  : 7.96116E-02    ( -0.00698165   0.00693836 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.83 using 59 PHA bins.
    # Reduced chi-squared =         0.8391 for     57 degrees of freedom 
    # Null hypothesis probability =   8.013330e-01
     
    Photon flux (15-150 keV)    in 1 sec: 9.74078 ( -0.838999  0.840017 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.6614e-07 ( -7.57774e-08  7.62499e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.132 sec. to    0.868 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.41847     ( -0.26532   0.157481 )
    Epeak [keV] : 9999.36      ( -9999.36 -9999.36 )
    Norm@50keV  : 7.98705E-02    ( -0.0798722   0.0284313 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.85 using 59 PHA bins.
    # Reduced chi-squared =         0.8545 for     56 degrees of freedom 
    # Null hypothesis probability =   7.723984e-01
     
    Photon flux (15-150 keV)    in 1 sec: 9.75232 ( -0.84706  0.82858 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.60553e-07 ( -7.0418e-08  8.1084e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.132 sec. to    0.868 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.21717   ( 1.21719   1.21719 )
    beta        : -1.42024    ( -0.157493   0.154445 )
    Epeak [keV] : 15.7066      ( -15.7072 -15.7072 )
    Norm@50keV   : 0.162290    ( -0.0895955   1.88524 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.83 using 59 PHA bins.
    # Reduced chi-squared =         0.8696 for     55 degrees of freedom 
    # Null hypothesis probability =   7.426294e-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]    : 17.2775  (-2.38562  2.70271)
    R^2/D10^2   : 0.675406  (-0.254907   0.430409)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         104.96 using 59 PHA bins.
    # Reduced chi-squared =         1.8414 for     57 degrees of freedom 
    # Null hypothesis probability =   1.136358e-04
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.087e-08   6.985e-09
    25- 50  1.832e-07   2.315e-08
    50-150  3.924e-07   6.955e-08
    15-150  6.165e-07   7.655e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (-35.7      -200)
    Norm        : 39.8306       (-3.40175     3.40175)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.24 using 59 PHA bins.
    # Reduced chi-squared =         0.9340 for     57 degrees of freedom 
    # Null hypothesis probability =   6.170869e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.917e-08   1.231e-08
    25- 50  1.908e-07   4.340e-08
    50-150  4.184e-07   1.905e-07
    15-150  7.083e-07   1.828e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.99641        (-1.11392      1.35273)
    R1^2/D10^2  : 19.1559        (-10.2411      24.5673)
    kT2 [keV]   : 31.3129        (-5.88933      9.71426)
    R2^2/D10^2  : 8.12564E-02    (-0.0457479   0.0790745)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.49 using 59 PHA bins.
    # Reduced chi-squared =         0.7908 for     55 degrees of freedom 
    # Null hypothesis probability =   8.685898e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.036e-07   4.511e-08
    25- 50  1.672e-07   4.497e-08
    50-150  5.264e-07   1.549e-07
    15-150  7.972e-07   2.418e-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: 1.33406     ( -0.0468071   0.0467011 )
    Norm@50keV  : 4.12866E-02    ( -0.0010457   0.00104485 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          38.03 using 59 PHA bins.
    # Reduced chi-squared =         0.6671 for     57 degrees of freedom 
    # Null hypothesis probability =   9.749960e-01
     
    Photon flux (15-150 keV)    in 38.45 sec: 4.95784 ( -0.139264  0.139833 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.55608e-05 ( -4.06386e-07  4.06793e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.33014     ( -0.179727   0.0466121 )
    Epeak [keV] : 9998.94      ( -9998.96 -9998.96 )
    Norm@50keV  : 4.14513E-02    ( -0.00104025   0.00751761 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          38.03 using 59 PHA bins.
    # Reduced chi-squared =         0.6792 for     56 degrees of freedom 
    # Null hypothesis probability =   9.684405e-01
     
    Photon flux (15-150 keV)    in 38.45 sec: 4.95639 ( -0.13514  0.13699 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.55632e-05 ( -4.03994e-07  4.05917e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.511340   ( 0.829145   0.829145 )
    beta        : -1.35918    ( 1.36643   0.0660207 )
    Epeak [keV] : 56.2784      ( -56.1698 181.318 )
    Norm@50keV   : 0.141899    ( -0.142988   2561.37 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          36.52 using 59 PHA bins.
    # Reduced chi-squared =         0.6640 for     55 degrees of freedom 
    # Null hypothesis probability =   9.740920e-01
     
    Photon flux (15-150 keV)    in 38.45 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)  = 6.86e-06
    S(50-100 keV) = 9.53e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 110.055999994278 sec.
    Hardness ratio (energy fluence ratio) = 1.38921
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.40848
    Count Ratio (50-100 keV) / (15-25 keV) = 1.11388
    

    Mask shadow pattern

    IMX = 7.560019176857721E-01, IMY = -5.817320087857388E-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:
    -239.872000 -21.620000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    264.9099 -44.4855    5.5  52.5  -39.8  -1.9910  -2.1    7.5	4U 1735-44                    
      1.7972 -39.1271    2.6  34.4   66.7   1.8133   4.5 ------	UNKNOWN                       
    343.8240 -35.6354    2.9  40.1   44.2   1.9290   4.1 ------	UNKNOWN                       
     94.0575 -32.3076    2.5  56.9  173.8   5.6401   4.7 ------	UNKNOWN                       
    105.9736 -35.5910    3.3  57.2 -173.8   2.9952   3.5 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -21.620000 16.828600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    264.6746 -44.4019    4.8  52.6  -39.9   1.0241   2.4    4.1	4U 1735-44                    
    337.6473 -33.1889    0.4  43.6   37.6  22.7168  32.6 ------	UNKNOWN                       
    322.5658 -28.8344    3.1  51.3   22.2   4.3124   3.7 ------	UNKNOWN                       
    270.5725 -44.3638    3.2  51.2  -34.9   0.9884   3.7 ------	UNKNOWN                       
    146.6341 -53.2562    2.3  49.8 -133.0   2.0714   4.9 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    79.828600 362.388000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    335.2506  15.2399    3.2  48.5   32.4  25.4987   3.6 ------	UNKNOWN                       
     36.3615 -50.5473    3.0  45.7  166.1  14.0846   3.9 ------	UNKNOWN                       
     55.8931 -55.3067    2.2  56.8  173.7  60.4724   5.3 ------	UNKNOWN                       
    326.0215 -12.1229    3.8  23.6    6.1   5.4314   3.0 ------	UNKNOWN                       
     72.7684 -75.3051    2.9  59.3 -161.6  43.8263   4.0 ------	UNKNOWN                       
    287.7540 -74.9248    2.4  48.0 -129.0  33.0735   4.7 ------	UNKNOWN                       
    286.0252 -52.6279    3.6  41.3  -98.5  20.1053   3.2 ------	UNKNOWN                       
    
    Plot creation:
    Mon Nov 16 15:50:33 EST 2015