batgrbproduct Analysis for Trigger=544381

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Dec 30 10:50:47 EST 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger544381/GCN5_download_cron
======================================================================

  Trigger: 00544381      Segment: 000

  BAT Trigger Time: 378478321.728   [s; MET]
      Trigger Stop: 378478322.752   [s; MET]
               UTC: 2012-12-29T12:51:51.688260    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 185.493178429073   Dec: -47.9278586259232  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.79
     Image Trigger?:     NO
     Rate S/N Ratio:     16.2480768092719  [ if not an image trigger ]
     Image S/N Ratio:    6.79

  Flight Position:   [ source = BAT ]
    RA: 185.493178429073   Dec: -47.9278586259232  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 185.569202525963   Dec: -47.9604474787024  [deg; J2000]  
        { 12h 22m 16.6s , -47d 57' 37.6" }
         +/- 4.27336444984755 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.4100500692667 [arcmin] (formal 1-sigma fit error)
    SNR: 3.81960520073106
 
  Angular difference between Flight and Ground position is 3.627593 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 1.02399998903275 +/- 
        Measured from: 0
                   to: 1.02399998903275     [s; relative to TRIGTIME]
     T50: 1.02399998903275 +/- 
        Measured from: 0
                   to: 1.02399998903275     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 1.02399998903275 second)
        Measured from: 2.98023223876953e-08     
                   to: 1.02400001883507     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 1.02399998903275     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.003394   0.002182   0.024683   0.026385
           0.005739   0.006256   0.005860   0.006495 [error]
 Peak      0.003394   0.002182   0.024683   0.026385
           0.005739   0.006256   0.005860   0.006495 [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 3.68e-11 5.38e-10 7.24e-09 8.52e-07 3.58e-08 8.59e-07   erg/cm2
              Error 4.72e-10 2.17e-09 8.23e-09 3.26e-07 2.46e-08 3.29e-07   erg/cm2
Peak flux Power-law 1.08e-03 8.23e-03 5.54e-02 1.98e+00 1.98e-01 2.04e+00   ph/cm2/s
              Error 1.44e-02 3.53e-02 7.54e-02 7.74e-01 1.69e-01 8.09e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.01e-10 1.69e-09 1.27e-08 5.49e-07 5.62e-07 0.00e+00   erg/cm2
              Error 4.72e-10 2.17e-09 9.75e-09 3.78e-06 6.44e-07 0.00e+00   erg/cm2
Peak flux Cutoff-PL 6.93e-04 6.08e-03 4.78e-02 2.19e+00 1.82e-01 2.25e+00   ph/cm2/s
              Error 1.44e-02 3.53e-02 7.54e-02 3.15e+00 1.70e-01 4.51e+00   ph/cm2/s
 
Fluence        Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -0.979    1.154    -      -           1.30e-03 1.42e-03   55.210 57
CPL  -0.915    1.633    9999.4    0.0      1.42e-03 7.03e-03   55.230 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL   -0.979    1.154    -      -           1.30e-03 1.42e-03   55.210 57
CPL  -0.915    1.633    9999.4    0.0      1.42e-03 7.05e-03   55.230 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: 18.816000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    1.024    0.000    1.024
T90     1.024    0.000    1.024
T50     1.024    0.000    1.024
Peak    1.024    0.000    1.024
  • Click here for the BAT GCN circular template

    Image

    Pre-slew 15-350 keV image (Event data; bkg subtracted)

    #   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
      185.5692 -47.9604 0.0502    4.0  116.2       0.0461     3.8  TRIG_00544381       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.000   1.024 (delta_t =   1.024 [sec])
    Background time interval of the image:
    -60.728  -9.728 (delta_t =  51.000 [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)

    Spectra

    Notes:

    Time averaged spectrum fit using the pre-slew DRM

    Power-law model
    Time interval is from    0.000 sec. to    1.024 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -0.978771     ( -1.24704   1.06059 )
    Norm@50keV  : 1.29712E-03    ( -0.00129662   0.00155036 )
    ------------------------------------------------------------
    # Chi-Squared =          55.21 using 59 PHA bins.
    # Reduced chi-squared =         0.9686 for     57 degrees of freedom 
    # Null hypothesis probability =   5.425842e-01
     
    Photon flux (15-150 keV)    in 1.024 sec: 0.198092 ( -0.126417  0.210888 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.58049e-08 ( -2.23358e-08  2.68765e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to    1.024 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -0.915004     ( -2.27932   0.986335 )
    Epeak [keV] : 9999.36      ( -9999.64 -9999.64 )
    Norm@50keV  : 1.42455E-03    ( -0.000453468   0.0135995 )
    ------------------------------------------------------------
    # Chi-Squared =          55.23 using 59 PHA bins.
    # Reduced chi-squared =         0.9863 for     56 degrees of freedom 
    # Null hypothesis probability =   5.039664e-01
     
    Photon flux (15-150 keV)    in 1.024 sec: 0.182158 ( -0.114922  0.225976 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.61882e-07 ( -5.61882e-07  7.26105e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to    1.024 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 0.201536   ( -0.201941   -0.201941 )
    beta        : 0.979085    ( -1.06073   1.24664 )
    Epeak [keV] : 16.4730      ( -16.4709 -16.4709 )
    Norm@50keV   : 2.50013E-03    ( -0.00249994   527.634 )
    ------------------------------------------------------------
    # Chi-Squared =          55.21 using 59 PHA bins.
    # Reduced chi-squared =          1.004 for     55 degrees of freedom 
    # Null hypothesis probability =   4.667540e-01
     
    Photon flux (15-150 keV)    in 1.024 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]    : 99.2491  (  )
    R^2/D10^2   : 4.68690E-04  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    # Chi-Squared =          55.95 using 59 PHA bins.
    # Reduced chi-squared =         0.9815 for     57 degrees of freedom 
    # Null hypothesis probability =   5.146030e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.987e-10   6.282e-10
    25- 50  1.116e-10   1.043e-10
    50-150  1.234e-13   7.311e-14
    15-150  1.010e-09   5.253e-10
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.359       (      )
    Norm        : 0.776313       (-0.565694     0.568387)
    ------------------------------------------------------------
    # Chi-Squared =          74.19 using 59 PHA bins.
    # Reduced chi-squared =          1.302 for     57 degrees of freedom 
    # Null hypothesis probability =   6.262994e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.760e-10   9.021e-10
    25- 50  1.703e-10   1.083e-10
    50-150  2.254e-12   6.615e-12
    15-150  1.048e-09   7.982e-10
    
    Double BB
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 2.12886        (-2.07201      15.0756)
    R1^2/D10^2  : 36.4700        (      )
    kT2 [keV]   : 197.013        (-125.272      -125.272)
    R2^2/D10^2  : 1.72364E-04    (-5.61555e-05   0.00138848)
    ------------------------------------------------------------
    # Chi-Squared =          55.15 using 59 PHA bins.
    # Chi-Squared =          55.13 using 59 PHA bins.
    # Reduced chi-squared =          1.003 for     55 degrees of freedom 
    # Reduced chi-squared =          1.002 for     55 degrees of freedom 
    # Null hypothesis probability =   4.688797e-01
    # Null hypothesis probability =   4.696345e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.687e-10   1.256e-10
    25- 50  1.907e-09   6.523e-10
    50-150  4.559e-08   1.643e-08
    15-150  4.827e-08   1.975e-08
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.000 sec. to    1.024 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -0.978771     ( -1.24704   1.06059 )
    Norm@50keV  : 1.29712E-03    ( -0.00129662   0.00155036 )
    ------------------------------------------------------------
    # Chi-Squared =          55.21 using 59 PHA bins.
    # Reduced chi-squared =         0.9686 for     57 degrees of freedom 
    # Null hypothesis probability =   5.425842e-01
     
    Photon flux (15-150 keV)    in 1.024 sec: 0.198092 ( -0.126417  0.210888 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.58049e-08 ( -2.23358e-08  2.68765e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to    1.024 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -0.915004     ( -2.27932   0.986335 )
    Epeak [keV] : 9999.36      ( -9999.64 -9999.64 )
    Norm@50keV  : 1.42455E-03    ( -0.000453468   0.0136565 )
    ------------------------------------------------------------
    # Chi-Squared =          55.23 using 59 PHA bins.
    # Reduced chi-squared =         0.9863 for     56 degrees of freedom 
    # Null hypothesis probability =   5.039664e-01
     
    Photon flux (15-150 keV)    in 1.024 sec: 0.182158 ( -0.114922  0.225976 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.61882e-07 ( -5.61882e-07  7.26105e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to    1.024 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 0.201536   ( -0.201941   -0.201941 )
    beta        : 0.979085    ( -1.06073   1.24664 )
    Epeak [keV] : 16.4730      ( -16.4709 -16.4709 )
    Norm@50keV   : 2.50013E-03    ( -0.00249994   527.634 )
    ------------------------------------------------------------
    # Chi-Squared =          55.21 using 59 PHA bins.
    # Reduced chi-squared =          1.004 for     55 degrees of freedom 
    # Null hypothesis probability =   4.667540e-01
     
    Photon flux (15-150 keV)    in 1.024 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]    : 99.2491  (  )
    R^2/D10^2   : 4.68690E-04  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    # Chi-Squared =          55.95 using 59 PHA bins.
    # Reduced chi-squared =         0.9815 for     57 degrees of freedom 
    # Null hypothesis probability =   5.146030e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.987e-10   4.324e-10
    25- 50  1.116e-10   8.556e-11
    50-150  1.234e-13   2.429e-14
    15-150  1.010e-09   4.539e-10
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.359       (      )
    Norm        : 0.776313       (-0.565694     0.568387)
    ------------------------------------------------------------
    # Chi-Squared =          74.19 using 59 PHA bins.
    # Reduced chi-squared =          1.302 for     57 degrees of freedom 
    # Null hypothesis probability =   6.262994e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.760e-10   2.961e-10
    25- 50  1.703e-10   1.524e-10
    50-150  2.254e-12   1.617e-12
    15-150  1.048e-09   7.071e-10
    
    Double BB
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 2.12886        (-2.07201      15.0756)
    R1^2/D10^2  : 36.4700        (      )
    kT2 [keV]   : 197.013        (-125.272      -125.272)
    R2^2/D10^2  : 1.72364E-04    (-5.61555e-05   0.00138848)
    ------------------------------------------------------------
    # Chi-Squared =          55.15 using 59 PHA bins.
    # Chi-Squared =          55.13 using 59 PHA bins.
    # Reduced chi-squared =          1.003 for     55 degrees of freedom 
    # Reduced chi-squared =          1.002 for     55 degrees of freedom 
    # Null hypothesis probability =   4.688797e-01
    # Null hypothesis probability =   4.696345e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.687e-10   1.338e-10
    25- 50  1.907e-09   7.675e-10
    50-150  4.559e-08   1.948e-08
    15-150  4.827e-08   1.718e-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: -0.978771     ( -1.24704   1.06059 )
    Norm@50keV  : 1.29712E-03    ( -0.00129662   0.00155036 )
    ------------------------------------------------------------
    # Chi-Squared =          55.21 using 59 PHA bins.
    # Reduced chi-squared =         0.9686 for     57 degrees of freedom 
    # Null hypothesis probability =   5.425842e-01
     
    Photon flux (15-150 keV)    in 1.024 sec: 0.198092 ( -0.126417  0.210888 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.58049e-08 ( -2.23358e-08  2.68765e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -0.915004     ( -2.27932   0.986335 )
    Epeak [keV] : 9999.36      ( -9999.64 -9999.64 )
    Norm@50keV  : 1.42455E-03    (     )
    ------------------------------------------------------------
    # Chi-Squared =          55.23 using 59 PHA bins.
    # Reduced chi-squared =         0.9862 for     56 degrees of freedom 
    # Null hypothesis probability =   5.039866e-01
     
    Photon flux (15-150 keV)    in 1.024 sec: 0.182158 ( -0.114922  0.225976 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.61882e-07 ( -5.61882e-07  7.26105e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 0.201536   ( -0.201941   -0.201941 )
    beta        : 0.979085    ( -1.06073   1.24664 )
    Epeak [keV] : 16.4730      ( -16.4709 -16.4709 )
    Norm@50keV   : 2.50013E-03    ( -0.00249994   527.634 )
    ------------------------------------------------------------
    # Chi-Squared =          55.21 using 59 PHA bins.
    # Reduced chi-squared =          1.004 for     55 degrees of freedom 
    # Null hypothesis probability =   4.667540e-01
     
    Photon flux (15-150 keV)    in 1.024 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)  = 5.38214e-10
    S(50-100 keV) = 7.2449e-09
    

    T90 vs. Hardness ratio plot

    T90                                   = 1.02399998903275 sec.
    Hardness ratio (energy fluence ratio) = 13.461
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.642899
    Count Ratio (50-100 keV) / (15-25 keV) = 7.27254
    

    Mask shadow pattern

    IMX = -3.062937826007240E-02, IMY = -6.236837735495993E-02
    

    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:
    -60.728000 -9.728000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5933 -40.3983    3.4  38.6   69.6   1.3370   3.4    9.8	Vela X-1                      
    170.6290 -60.6479    7.8  14.8   25.9   0.1649   1.5    9.3	Cen X-3                       
    186.3735 -62.8878  577.5  12.4   -6.0  -0.0024  -0.0   10.5	GX 301-2                      
    126.3984 -45.0742    2.3  41.8   57.9   2.1699   4.9 ------	UNKNOWN                       
    194.8319 -19.4727    2.5  31.4  174.6   0.6174   4.6 ------	UNKNOWN                       
     21.5564 -71.9367    2.6  57.2   -9.8   2.1702   4.4 ------	UNKNOWN                       
    296.3218 -65.8391    2.7  50.8  -44.5   2.4912   4.4 ------	UNKNOWN                       
    

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

    Time interval of the image:
    0.000000 1.024000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5485 -40.4342    5.1  38.6   69.6   0.0963   2.3    7.3	Vela X-1                      
    170.3607 -60.8104   12.7  15.0   25.6  -0.0113  -0.9   11.3	Cen X-3                       
    186.8687 -62.9556    0.0  12.5   -7.1   0.0225   1.9   12.5	GX 301-2                      
    126.1610 -55.7728    2.4  37.3   42.6   0.1185   4.8 ------	UNKNOWN                       
    185.5691 -47.9603    3.0   4.0  116.2   0.0460   3.8 ------	UNKNOWN                       
    252.6717 -79.8212    2.1  35.7  -29.6   0.0884   5.3 ------	UNKNOWN                       
    294.9921 -65.6387    2.6  50.4  -45.1   0.2723   4.4 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    33.372600 71.822000
    73.272000 122.452000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.3211 -40.4975    9.9  36.1   64.6   1.8859   1.2   10.1	Vela X-1                      
    170.2941 -60.7703   11.6  15.5   10.4  -0.5844  -1.0    8.9	Cen X-3                       
    187.0607 -62.6692    0.0  14.8  -21.0  -0.9066  -1.4   12.7	GX 301-2                      
    111.6419 -66.7918    3.3  40.9   17.1   3.6679   3.5 ------	UNKNOWN                       
     66.6251 -68.2613    2.4  55.3    5.1  11.8935   4.7 ------	UNKNOWN                       
    235.5742 -37.6308    3.2  37.5 -105.2   5.8368   3.6 ------	UNKNOWN                       
    260.6025 -58.8719    2.6  43.6  -64.6  10.2086   4.4 ------	UNKNOWN                       
    
    Plot creation:
    Sun Dec 30 11:00:30 EST 2012