batgrbproduct Analysis for Trigger=420247

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Sep 11 11:42:49 EDT 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger420247
======================================================================

  Trigger: 00420247      Segment: 000

  BAT Trigger Time: 293675704.896   [s; MET]
      Trigger Stop: 293675705.92   [s; MET]
               UTC: 2010-04-23T00:34:59.164220    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 136.477016071933   Dec: 21.4794761790139  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    21.49
     Image Trigger?:     NO
     Rate S/N Ratio:     116.228223766863  [ if not an image trigger ]
     Image S/N Ratio:    21.49

  Flight Position:   [ source = BAT ]
    RA: 136.477016071933   Dec: 21.4794761790139  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 136.472342171038   Dec: 21.4826479030353  [deg; J2000]  
        { 09h 05m 53.4s , +21d 28' 57.5" }
         +/- 0.61797808747846 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.21655965168157 [arcmin] (formal 1-sigma fit error)
    SNR: 60.4962244695789
 
  Angular difference between Flight and Ground position is 0.322975 arcmin
 
  Partial Coding Fraction: 0.7421875    [ including projection effects ]

  Duration
     T90: 78.8679999709129 +/- 4.15788408231418
        Measured from: 0.12799996137619
                   to: 78.9959999322891     [s; relative to TRIGTIME]
     T50: 39.2599999904633 +/- 2.26823990358931
        Measured from: 4.06399995088577
                   to: 43.323999941349     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.155999958515167     
                   to: 1.15599995851517     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.80000001192093     
                   to: 94.8159999847412     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.403571   3.915729   4.264324   1.817516
           0.069138   0.076871   0.077810   0.082348 [error]
 Peak      0.142233   0.280550   0.413995   0.189063
           0.009006   0.011431   0.013359   0.012607 [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 7.08e-07 1.70e-06 3.26e-06 1.53e-05 8.83e-06 2.09e-05   erg/cm2
              Error 3.75e-08 5.12e-08 8.12e-08 9.56e-07 2.12e-07 9.80e-07   erg/cm2
Peak flux Power-law 1.32e+00 2.11e+00 2.56e+00 6.06e+00 7.72e+00 1.20e+01   ph/cm2/s
              Error 1.17e-01 1.12e-01 1.03e-01 5.57e-01 3.01e-01 5.82e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.11e-07 1.71e-06 3.26e-06 1.50e-05 8.82e-06 2.07e-05   erg/cm2
              Error 3.78e-08 5.16e-08 8.17e-08 -------- 2.13e-07 8.44e-07   erg/cm2
Peak flux Cutoff-PL 1.28e+00 2.09e+00 2.57e+00 6.19e+00 7.70e+00 1.21e+01   ph/cm2/s
              Error 1.40e-01 1.20e-01 1.10e-01 1.13e+00 3.16e-01 1.14e+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    1.063    0.045    -      -           8.63e-03 2.00e-04   48.170 57
CPL   1.057    0.000    10000.0    0.0      8.68e-03 1.97e-04   48.420 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.725    0.071    -      -           6.69e-02 2.69e-03   50.100 57
CPL   0.717    0.175    9998.0    0.0      6.75e-02 1.26e-02   50.080 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: 57.664000 sec.
T50 in the 50-300 keV band: 28.160000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   96.616   -1.800   94.816
T90    78.868    0.128   78.996
T50    39.260    4.064   43.324
Peak    1.000    0.156    1.156
  • 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
      136.4723    21.4826   0.0032    32.2633   179.5052        12.7593574     60.496 TRIG_00420247                 
     
    Foreground time interval of the image:
     -1.800  94.816 (delta_t =  96.616 [sec])
    Background time interval of the image:
    -179.896  -1.800 (delta_t = 178.096 [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)

    Spectral Evolution

    Spectra

    Notes:

    Time averaged spectrum fit using the average DRM

    Power-law model
    Time interval is from   -1.800 sec. to   94.816 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.06259     ( -0.0451534   0.0449007 )
    Norm@50keV  : 8.63100E-03    ( -0.000200423   0.000199663 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.17 using 59 PHA bins.
    # Reduced chi-squared =         0.8450 for     57 degrees of freedom 
    # Null hypothesis probability =   7.913286e-01
     
    Photon flux (15-150 keV)    in 96.62 sec: 0.997824 ( -0.0242867  0.0243957 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.82584e-06 ( -2.11235e-07  2.11775e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -1.800 sec. to   94.816 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.05699     (     )
    Epeak [keV] : 1.00000E+04      (   )
    Norm@50keV  : 8.67839E-03    ( -0.000200643   0.000193694 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.42 using 59 PHA bins.
    # Reduced chi-squared =         0.8646 for     56 degrees of freedom 
    # Null hypothesis probability =   7.542616e-01
     
    Photon flux (15-150 keV)    in 96.62 sec: 0.997047 ( -0.023573  0.024633 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.81992e-06 ( -2.04786e-07  2.20429e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   -1.800 sec. to   94.816 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.921453   ( 0.836492   0.836492 )
    beta        : -1.06325    ( -0.0449035   0.045164 )
    Epeak [keV] : 181.692      ( -61.743 -61.743 )
    Norm@50keV   : 1.10471E-02    ( -0.00261268   0 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.13 using 59 PHA bins.
    # Reduced chi-squared =         0.8750 for     55 degrees of freedom 
    # Null hypothesis probability =   7.325151e-01
     
    Photon flux (15-150 keV)    in 96.62 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]    : 22.8609  (  )
    R^2/D10^2   : 2.99815E-02  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         443.67 using 59 PHA bins.
    # Reduced chi-squared =         7.7836 for     57 degrees of freedom 
    # Null hypothesis probability =   2.974325e-61
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.752e-07   1.304e-08
    25- 50  1.488e-06   5.556e-08
    50-150  5.809e-06   2.048e-07
    15-150  7.572e-06   2.203e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.363       (      )
    Norm        : 4.26910       (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         422.07 using 59 PHA bins.
    # Reduced chi-squared =         7.4048 for     57 degrees of freedom 
    # Null hypothesis probability =   3.712692e-57
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.027e-06   2.609e-08
    25- 50  1.976e-06   4.638e-08
    50-150  4.333e-06   1.082e-07
    15-150  7.336e-06   1.773e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.71491        (-0.805353      0.878932)
    R1^2/D10^2  : 0.403321        (-0.105089      0.151114)
    kT2 [keV]   : 41.7413        (-4.39307      6.12033)
    R2^2/D10^2  : 4.22820E-03    (-0.00133776   0.00162557)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.28 using 59 PHA bins.
    # Reduced chi-squared =         0.9142 for     55 degrees of freedom 
    # Null hypothesis probability =   6.552146e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.552e-07   5.280e-08
    25- 50  1.758e-06   8.937e-08
    50-150  6.583e-06   4.826e-07
    15-150  8.996e-06   4.068e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.156 sec. to    1.156 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.725094     ( -0.0716729   0.0707733 )
    Norm@50keV  : 6.69428E-02    ( -0.00269793   0.00268656 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.10 using 59 PHA bins.
    # Reduced chi-squared =         0.8790 for     57 degrees of freedom 
    # Null hypothesis probability =   7.294144e-01
     
    Photon flux (15-150 keV)    in 1 sec: 7.72372 ( -0.300732  0.300965 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.08014e-07 ( -3.43193e-08  3.44134e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.156 sec. to    1.156 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.717132     ( -0.2387   0.111865 )
    Epeak [keV] : 9997.97      (   )
    Norm@50keV  : 6.74530E-02    ( -0.0025774   0.022632 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.08 using 59 PHA bins.
    # Reduced chi-squared =         0.8943 for     56 degrees of freedom 
    # Null hypothesis probability =   6.973739e-01
     
    Photon flux (15-150 keV)    in 1 sec: 7.70007 ( -0.29369  0.33882 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.08918e-07 ( -3.6619e-08  3.3581e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.156 sec. to    1.156 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.990578   ( 0.990578   0.990578 )
    beta        : -0.725094    ( -0.0707702   0.0716729 )
    Epeak [keV] : 12.1382      ( -12.1382 -12.1382 )
    Norm@50keV   : 0.100718    ( -0.025374   1.32998e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.10 using 59 PHA bins.
    # Reduced chi-squared =         0.9109 for     55 degrees of freedom 
    # Null hypothesis probability =   6.618772e-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]    : 27.4729  (  )
    R^2/D10^2   : 0.151332  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         141.05 using 59 PHA bins.
    # Reduced chi-squared =         2.4745 for     57 degrees of freedom 
    # Null hypothesis probability =   4.477632e-09
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.883e-08   1.545e-09
    25- 50  1.118e-07   7.100e-09
    50-150  6.137e-07   3.640e-08
    15-150  7.444e-07   3.650e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.363       (      )
    Norm        : 29.0061       (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         398.04 using 59 PHA bins.
    # Reduced chi-squared =         6.9831 for     57 degrees of freedom 
    # Null hypothesis probability =   1.236413e-52
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.223e-08   3.065e-09
    25- 50  1.389e-07   7.000e-09
    50-150  3.047e-07   1.405e-08
    15-150  5.159e-07   2.540e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.56719        (-1.70153      2.11933)
    R1^2/D10^2  : 2.21740        (-1.02783      2.23857)
    kT2 [keV]   : 41.4661        (-5.6791      9.80143)
    R2^2/D10^2  : 4.26583E-02    (-0.0188329   0.0226164)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.80 using 59 PHA bins.
    # Reduced chi-squared =         0.9236 for     55 degrees of freedom 
    # Null hypothesis probability =   6.358701e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.004e-08   8.260e-09
    25- 50  1.241e-07   1.692e-08
    50-150  6.543e-07   7.685e-08
    15-150  8.185e-07   1.056e-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: 1.06259     ( -0.0451534   0.0449007 )
    Norm@50keV  : 8.63100E-03    ( -0.000200423   0.000199663 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.17 using 59 PHA bins.
    # Reduced chi-squared =         0.8450 for     57 degrees of freedom 
    # Null hypothesis probability =   7.913286e-01
     
    Photon flux (15-150 keV)    in 96.62 sec: 0.997824 ( -0.0242867  0.0243957 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.82584e-06 ( -2.11235e-07  2.11775e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.05699     (     )
    Epeak [keV] : 1.00000E+04      (   )
    Norm@50keV  : 8.67839E-03    ( -0.000200643   0.000193694 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.42 using 59 PHA bins.
    # Reduced chi-squared =         0.8646 for     56 degrees of freedom 
    # Null hypothesis probability =   7.542616e-01
     
    Photon flux (15-150 keV)    in 96.62 sec: 0.997047 ( -0.023573  0.024633 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.81992e-06 ( -2.04786e-07  2.20429e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.836492   ( 0.836492   0.836492 )
    beta        : -1.06260    ( -0.0449035   0.045164 )
    Epeak [keV] : 61.7430      ( -61.743 -61.743 )
    Norm@50keV   : 1.49420E-02    ( -0.00650514   0 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.17 using 59 PHA bins.
    # Reduced chi-squared =         0.8758 for     55 degrees of freedom 
    # Null hypothesis probability =   7.311658e-01
     
    Photon flux (15-150 keV)    in 96.62 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)  = 1.70e-06
    S(50-100 keV) = 3.26e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 78.8679999709129 sec.
    Hardness ratio (energy fluence ratio) = 1.91765
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.62913
    Count Ratio (50-100 keV) / (15-25 keV) = 1.77416
    

    Mask shadow pattern

    IMX = -6.312546461430615E-01, IMY = -5.451091616165411E-03
    

    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:
    -179.896000 -1.800000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    144.4444  12.0801    2.3  39.0  162.2   1.7342   5.0 ------	UNKNOWN                       
    129.7968   0.6346    4.6  54.1  177.2   2.2006   2.5 ------	UNKNOWN                       
    271.4235  62.2951    2.9  56.8   -5.2   3.7787   4.0 ------	UNKNOWN                       
    101.8831  16.8880    3.8  54.1 -143.0   3.7528   3.1 ------	UNKNOWN                       
     93.3142  41.1347    2.5  43.1 -112.2   4.1873   4.6 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -1.800000 94.816000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.3003  -2.7463    1.8  55.6  169.6   6.5945   6.3 ------	UNKNOWN                       
    185.3510  51.9254    2.3  18.7   37.5   0.8663   5.0 ------	UNKNOWN                       
    136.4724  21.4826    0.2  32.3  179.5  12.7599  60.5 ------	UNKNOWN                       
    262.4146  76.1546    2.0  45.6  -16.5   1.7878   5.9 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    247.404580 962.199000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    244.9781 -15.6416    0.4  29.3   60.5  27.0111  32.8    0.1	Sco X-1                       
    254.2454  35.3921    4.6  24.0 -146.6   1.4165   2.5   10.8	Her X-1                       
    256.4835 -36.5135    3.1  47.9   37.5  -9.1992  -3.7    5.9	GX 349+2                      
    263.1202 -24.6950   29.0  36.7   27.3   0.3326   0.4    6.8	GX 1+4                        
    268.3567  -1.3336    7.8  17.5   -6.2   0.8713   1.5    7.2	SW J1753.5-0127               
    270.3468 -25.0247    3.7  38.9   17.2   2.4072   3.1    4.7	GX 5-1                        
    270.4002 -25.7011    5.8  39.6   17.6   1.5866   2.0    5.9	GRS 1758-258                  
    273.9063 -13.9922    3.1  30.8    2.8   2.3009   3.8    6.4	GX 17+2                       
    276.0203 -30.3036   72.1  45.8   13.7   0.1835   0.2    6.2	H1820-303                     
    284.8408 -24.8773  878.0  45.7    0.4   0.0131   0.0   10.9	HT1900.1-2455                 
    288.7843  10.9294    1.2  31.8  -54.7   8.5203   9.8    1.3	GRS 1915+105                  
    262.8758 -33.9086   10.3  45.8   30.1   1.8023   1.1    7.2	GX 354-0                      
    273.8078  -7.0146    2.8  25.3   -6.5   2.3979   4.2 ------	UNKNOWN                       
    294.0051 -29.4614    2.4  54.7   -3.1   8.9023   4.9 ------	UNKNOWN                       
    269.6943  57.3559    4.2  47.1 -132.6   5.7675   2.8 ------	UNKNOWN                       
    286.0595  46.4473    3.6  43.1 -112.4   8.7316   3.2 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 01:47:43 EDT 2015