batgrbproduct Analysis for Trigger=271019

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 20 11:09:18 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger271019
======================================================================

  Trigger: 00271019      Segment: 000

  BAT Trigger Time: 195895737.92   [s; MET]
      Trigger Stop: 195895738.432   [s; MET]
               UTC: 2007-03-18T07:28:56.088640    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 48.5402261665742   Dec: -42.961988565526  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.03
     Image Trigger?:     NO
     Rate S/N Ratio:     17.9443584449264  [ if not an image trigger ]
     Image S/N Ratio:    10.03

  Flight Position:   [ source = BAT ]
    RA: 48.5402261665742   Dec: -42.961988565526  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 48.4858797791712   Dec: -42.942277109951  [deg; J2000]  
        { 03h 13m 56.6s , -42d 56' 32.2" }
         +/- 0.76802989802986 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.229677613305789 [arcmin] (formal 1-sigma fit error)
    SNR: 44.3469660422778
 
  Angular difference between Flight and Ground position is 2.663609 arcmin
 
  Partial Coding Fraction: 0.8046875    [ including projection effects ]

  Duration
     T90: 130.368000030518 +/- 28.8086031720255
        Measured from: 0.719999998807907
                   to: 131.088000029325     [s; relative to TRIGTIME]
     T50: 35.0720000267029 +/- 4.93464486631663
        Measured from: 5.32800000905991
                   to: 40.4000000357628     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.21200001239777     
                   to: 2.21200001239777     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.00799998641014     
                   to: 171.536000013351     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.015939   1.533896   1.198511   0.375500
           0.060796   0.063851   0.057449   0.052009 [error]
 Peak      0.045642   0.073220   0.064797   0.018952
           0.005715   0.006430   0.005927   0.004918 [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 3.07e-07 6.08e-07 9.37e-07 3.17e-06 2.62e-06 5.02e-06   erg/cm2
              Error 2.76e-08 3.18e-08 5.72e-08 4.37e-07 1.40e-07 4.72e-07   erg/cm2
Peak flux Power-law 4.66e-01 5.21e-01 4.16e-01 5.50e-01 1.61e+00 1.95e+00   ph/cm2/s
              Error 7.54e-02 5.24e-02 4.82e-02 1.31e-01 1.50e-01 1.93e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.99e-07 6.14e-07 9.46e-07 2.64e-06 2.60e-06 4.50e-06   erg/cm2
              Error 2.50e-08 3.57e-08 6.04e-08 -------- 1.54e-07 9.65e-07   erg/cm2
Peak flux Cutoff-PL 4.23e-01 5.46e-01 4.36e-01 3.15e-01 1.57e+00 1.72e+00   ph/cm2/s
              Error 8.98e-02 6.16e-02 5.55e-02 2.16e-01 1.55e-01 2.65e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 4.34e-01 5.40e-01 4.32e-01 3.32e-01 1.59e+00 1.77e+00   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    1.376    0.088    -      -           1.56e-03 7.44e-05   43.940 57
CPL   1.258    0.250     330.1    0.0      1.78e-03 5.29e-04   43.540 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.325    0.158    -      -           1.34e-02 1.26e-03   64.720 57
CPL   0.806    0.629     118.4  -38.4      2.42e-02 1.92e-02   62.490 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: 66.560000 sec.
T50 in the 50-300 keV band: 22.848000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  172.544   -1.008  171.536
T90   130.368    0.720  131.088
T50    35.072    5.328   40.400
Peak    1.000    1.212    2.212
  • 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
       48.4859   -42.9423   0.0043    21.5540   -57.2923         1.8327941     44.347 TRIG_00271019                 
     
    Foreground time interval of the image:
     -1.008   9.981 (delta_t =  10.989 [sec])
    Background time interval of the image:
    -113.419  -1.008 (delta_t = 112.411 [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 0.512000
    

    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 0.512000
    

    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 0.512000
    

    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   -1.008 sec. to  171.536 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.37558     ( -0.0883   0.088271 )
    Norm@50keV  : 1.56413E-03    ( -7.44954e-05   7.43979e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.94 using 59 PHA bins.
    # Reduced chi-squared =         0.7709 for     57 degrees of freedom 
    # Null hypothesis probability =   8.975208e-01
     
    Photon flux (15-150 keV)    in 172.5 sec: 0.189453 ( -0.00928121  0.00930223 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.62046e-06 ( -1.3935e-07  1.40077e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -1.008 sec. to  171.536 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.25751     ( -0.336407   0.162712 )
    Epeak [keV] : 330.143      ( -330.082 -330.082 )
    Norm@50keV  : 1.78293E-03    ( -0.000281593   0.000776671 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.54 using 59 PHA bins.
    # Reduced chi-squared =         0.7775 for     56 degrees of freedom 
    # Null hypothesis probability =   8.875840e-01
     
    Photon flux (15-150 keV)    in 172.5 sec: 0.188110 ( -0.009909  0.009908 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.597e-06 ( -1.54922e-07  1.54008e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   -1.008 sec. to  171.536 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -7.79385E-02   ( -1.61375   -1.61375 )
    beta        : -1.41088    ( 1.40954   0.114004 )
    Epeak [keV] : 40.1401      ( -40.1512 243.381 )
    Norm@50keV   : 1.30660E-02    ( -0.0129929   96049.4 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.22 using 59 PHA bins.
    # Reduced chi-squared =         0.7858 for     55 degrees of freedom 
    # Null hypothesis probability =   8.749994e-01
     
    Photon flux (15-150 keV)    in 172.5 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]    : 17.0132  (  )
    R^2/D10^2   : 1.38651E-02  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         146.05 using 59 PHA bins.
    # Reduced chi-squared =         2.5622 for     57 degrees of freedom 
    # Null hypothesis probability =   9.397448e-10
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.410e-07   1.369e-08
    25- 50  6.241e-07   3.959e-08
    50-150  1.290e-06   1.264e-07
    15-150  2.055e-06   1.207e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 0.782037       (-0.037121     0.0371164)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.20 using 59 PHA bins.
    # Reduced chi-squared =         0.9860 for     57 degrees of freedom 
    # Null hypothesis probability =   5.049095e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.360e-07   1.889e-08
    25- 50  6.463e-07   3.631e-08
    50-150  1.418e-06   1.030e-07
    15-150  2.400e-06   1.294e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.95907        (-1.03016      1.15764)
    R1^2/D10^2  : 0.185750        (-0.0753762      0.143139)
    kT2 [keV]   : 28.6550        (-3.85467      5.64285)
    R2^2/D10^2  : 2.01951E-03    (-0.000903783   0.00130505)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          40.31 using 59 PHA bins.
    # Reduced chi-squared =         0.7328 for     55 degrees of freedom 
    # Null hypothesis probability =   9.311906e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.938e-07   5.649e-08
    25- 50  6.138e-07   8.677e-08
    50-150  1.696e-06   3.587e-07
    15-150  2.604e-06   3.717e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    1.212 sec. to    2.212 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.32538     ( -0.157659   0.158419 )
    Norm@50keV  : 1.33950E-02    ( -0.00126467   0.00126086 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.72 using 59 PHA bins.
    # Reduced chi-squared =          1.135 for     57 degrees of freedom 
    # Null hypothesis probability =   2.252440e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.60577 ( -0.150219  0.150298 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.31566e-07 ( -1.40458e-08  1.41863e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    1.212 sec. to    2.212 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.806380     ( -0.682047   0.575781 )
    Epeak [keV] : 118.368      ( -41.4935 -118.368 )
    Norm@50keV  : 2.42270E-02    ( -0.0113239   0.0271302 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.49 using 59 PHA bins.
    # Reduced chi-squared =          1.116 for     56 degrees of freedom 
    # Null hypothesis probability =   2.566618e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.57459 ( -0.15461  0.15445 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.27076e-07 ( -1.5092e-08  1.5169e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    1.212 sec. to    2.212 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.806701   ( -0.445623   0.668321 )
    beta        : -10.0000    ( 10   3.55271e-15 )
    Epeak [keV] : 118.400      ( -41.5049 -118.401 )
    Norm@50keV   : 2.42163E-02    ( -0.0113161   0.0271503 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.49 using 59 PHA bins.
    # Reduced chi-squared =          1.136 for     55 degrees of freedom 
    # Null hypothesis probability =   2.274783e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.58501 (    ) 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]    : 16.9384  (-1.96988  2.25422)
    R^2/D10^2   : 0.126414  (-0.0434151   0.0652543)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          83.10 using 59 PHA bins.
    # Reduced chi-squared =          1.458 for     57 degrees of freedom 
    # Null hypothesis probability =   1.363640e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.394e-09   1.302e-09
    25- 50  3.262e-08   4.180e-09
    50-150  6.675e-08   1.188e-08
    15-150  1.068e-07   1.332e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 6.54960       (-0.615516     0.615518)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.48 using 59 PHA bins.
    # Reduced chi-squared =          1.201 for     57 degrees of freedom 
    # Null hypothesis probability =   1.419333e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.641e-08   3.270e-09
    25- 50  3.156e-08   1.274e-08
    50-150  6.923e-08   3.727e-08
    15-150  1.172e-07   3.574e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.50028        (-1.95495      2.64801)
    R1^2/D10^2  : 1.69913        (-1.12491      4.55261)
    kT2 [keV]   : 24.8642        (-4.8039      9.11231)
    R2^2/D10^2  : 2.91513E-02    (-0.0195199   0.0266861)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.98 using 59 PHA bins.
    # Reduced chi-squared =          1.109 for     55 degrees of freedom 
    # Null hypothesis probability =   2.696843e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.375e-08   6.668e-09
    25- 50  3.030e-08   1.019e-08
    50-150  8.307e-08   3.885e-08
    15-150  1.271e-07   4.843e-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: 1.34269     ( -0.0706237   0.0705854 )
    Norm@50keV  : 9.86643E-03    ( -0.00038643   0.000386306 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.78 using 59 PHA bins.
    # Reduced chi-squared =         0.9085 for     57 degrees of freedom 
    # Null hypothesis probability =   6.705166e-01
     
    Photon flux (15-150 keV)    in 10.99 sec: 1.18685 ( -0.0479799  0.0480413 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.06078e-06 ( -4.61939e-08  4.63732e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.964772     ( -0.292481   0.274171 )
    Epeak [keV] : 144.604      ( -41.2489 217.76 )
    Norm@50keV  : 1.49646E-02    ( -0.00381012   0.00550353 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.10 using 59 PHA bins.
    # Reduced chi-squared =         0.8232 for     56 degrees of freedom 
    # Null hypothesis probability =   8.246823e-01
     
    Photon flux (15-150 keV)    in 10.99 sec: 1.16216 ( -0.05098  0.051 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.03173e-06 ( -5.13211e-08  5.1165e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.964758   ( -0.207237   0.359294 )
    beta        : -10.0000    ( 10   7.10543e-15 )
    Epeak [keV] : 144.581      ( -25.7665 217.644 )
    Norm@50keV   : 1.49636E-02    ( -0.00381044   0.00550447 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.10 using 59 PHA bins.
    # Reduced chi-squared =         0.8381 for     55 degrees of freedom 
    # Null hypothesis probability =   7.981485e-01
     
    Photon flux (15-150 keV)    in 10.99 sec: 1.16318 (    ) 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)  = 6.08e-07
    S(50-100 keV) = 9.37e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 130.368000030518 sec.
    Hardness ratio (energy fluence ratio) = 1.54112
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.50983
    Count Ratio (50-100 keV) / (15-25 keV) = 1.17971
    

    Mask shadow pattern

    IMX = 2.134392873802190E-01, IMY = 3.323675962069452E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.512000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.512000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.512000
    

    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:
    -113.419380 -1.008000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.3156 -60.7611    8.7  44.6  130.4   0.6340   1.3    8.3	Cen X-3                       
    186.2891 -62.7078    5.6  48.3  139.9   1.0123   2.0   10.8	GX 301-2                      
     75.1735 -39.8467    2.3  19.5    2.3   0.5000   4.9 ------	UNKNOWN                       
     66.2951  -5.3186    2.3  54.1  -12.6   1.4965   5.1 ------	UNKNOWN                       
    285.8080 -58.6388    2.7  59.1 -166.2   2.9200   4.3 ------	UNKNOWN                       
    320.8343 -53.8954    5.2  54.0 -143.2   1.3839   2.2 ------	UNKNOWN                       
     41.9337 -13.4994    3.1  50.7  -44.5   2.0728   3.7 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -1.008000 9.980600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.3036 -60.6292   53.7  44.7  130.2  -0.0350  -0.2    0.5	Cen X-3                       
    186.6820 -62.8931   10.5  48.3  140.2  -0.1811  -1.1    7.4	GX 301-2                      
    113.7662 -63.5245    2.3  20.3  113.9   0.2189   5.1 ------	UNKNOWN                       
    238.0174 -66.2490    2.6  54.1  167.1   0.7638   4.5 ------	UNKNOWN                       
     79.4073 -25.3595    2.3  34.3    6.6   0.2355   5.0 ------	UNKNOWN                       
     48.4859 -42.9423    0.3  21.6  -57.3   1.8327  44.4 ------	UNKNOWN                       
    297.6359 -55.8728    1.9  59.2 -158.1   1.4249   6.1 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    52.780600 962.163000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    312.7394 -54.8767    3.8  59.0 -166.2   9.6607   3.1 ------	UNKNOWN                       
     44.1302   2.4307    3.0  45.6  -34.3   3.0425   3.8 ------	UNKNOWN                       
     44.4027  11.4008    5.1  54.5  -33.1   5.4171   2.3 ------	UNKNOWN                       
     35.8270   6.3838    3.1  50.7  -44.5   9.5670   3.7 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 10:42:56 EDT 2015