batgrbproduct Analysis for Trigger=536580

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Jan 12 23:51:04 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger536580
======================================================================

  Trigger: 00536580      Segment: 000

  BAT Trigger Time: 372740182.272   [s; MET]
      Trigger Stop: 372740183.68   [s; MET]
               UTC: 2012-10-24T02:56:12.478460    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 70.4670677361895   Dec: -12.2687432432442  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.16
     Image Trigger?:     NO
     Rate S/N Ratio:     21.9317121994613  [ if not an image trigger ]
     Image S/N Ratio:    9.16

  Flight Position:   [ source = BAT ]
    RA: 70.4670677361895   Dec: -12.2687432432442  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 70.4826974334768   Dec: -12.2552203982717  [deg; J2000]  
        { 04h 41m 55.8s , -12d 15' 18.8" }
         +/- 1.66846556110784 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.747027519324135 [arcmin] (formal 1-sigma fit error)
    SNR: 14.6393674965011
 
  Angular difference between Flight and Ground position is 1.223965 arcmin
 
  Partial Coding Fraction: 0.5    [ including projection effects ]

  Duration
     T90: 67.9679999947548 +/- 31.7236708593267
        Measured from: -7.33600002527237
                   to: 60.6319999694824     [s; relative to TRIGTIME]
     T50: 11.7760000228882 +/- 15.081237066697
        Measured from: -1.57600003480911
                   to: 10.1999999880791     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.643999993801117     
                   to: 1.64399999380112     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -8.2960000038147     
                   to: 74.0719999670982     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.488063   0.573817   0.468605   0.158298
           0.064513   0.067286   0.061810   0.059663 [error]
 Peak      0.035364   0.058099   0.059512   0.028432
           0.008483   0.009596   0.009358   0.008677 [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 1.21e-07 2.47e-07 3.96e-07 1.41e-06 1.10e-06 2.18e-06   erg/cm2
              Error 2.64e-08 3.16e-08 6.16e-08 4.99e-07 1.51e-07 5.41e-07   erg/cm2
Peak flux Power-law 3.23e-01 4.20e-01 4.00e-01 6.77e-01 1.37e+00 1.82e+00   ph/cm2/s
              Error 1.07e-01 8.19e-02 7.53e-02 2.89e-01 2.23e-01 3.35e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.22e-07 2.48e-07 3.97e-07 1.34e-06 1.10e-06 2.05e-06   erg/cm2
              Error 2.64e-08 3.09e-08 6.12e-08 -------- 1.48e-07 6.82e-07   erg/cm2
Peak flux Cutoff-PL 3.30e-01 4.24e-01 3.97e-01 6.54e-01 1.37e+00 1.80e+00   ph/cm2/s
              Error 1.07e-01 8.22e-02 7.56e-02 3.42e-01 2.22e-01 3.78e-01   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    1.322    0.221    -      -           1.36e-03 1.62e-04   59.110 57
CPL   1.322    0.870    9999.2    0.0      1.36e-03 1.10e-03   59.130 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.069    0.306    -      -           1.18e-02 1.89e-03   57.880 57
CPL   1.077    0.367    9999.3    0.0      1.18e-02 1.90e-03   57.910 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: 12.096000 sec.
T50 in the 50-300 keV band: 6.080000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   82.368   -8.296   74.072
T90    67.968   -7.336   60.632
T50    11.776   -1.576   10.200
Peak    1.000    0.644    1.644
  • 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
       70.4827   -12.2552   0.0131    25.9087   112.3782         1.5030198     14.639 TRIG_00536580                 
     
    Foreground time interval of the image:
     -8.296  29.029 (delta_t =  37.325 [sec])
    Background time interval of the image:
    -202.371  -8.296 (delta_t = 194.075 [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 1.408000
    

    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 1.408000
    

    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 1.408000
    

    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   -8.296 sec. to   74.072 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.32212     ( -0.222576   0.220363 )
    Norm@50keV  : 1.35570E-03    ( -0.000161861   0.00016117 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.11 using 59 PHA bins.
    # Reduced chi-squared =          1.037 for     57 degrees of freedom 
    # Null hypothesis probability =   3.982528e-01
     
    Photon flux (15-150 keV)    in 82.37 sec: 0.162416 ( -0.0193796  0.0194203 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.09766e-06 ( -1.49868e-07  1.52098e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -8.296 sec. to   74.072 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.32218     ( -0.227202   1.51242 )
    Epeak [keV] : 9999.23      ( -9999.35 -9999.35 )
    Norm@50keV  : 1.36054E-03    ( -0.00136062   0.000847223 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.13 using 59 PHA bins.
    # Reduced chi-squared =          1.056 for     56 degrees of freedom 
    # Null hypothesis probability =   3.619606e-01
     
    Photon flux (15-150 keV)    in 82.37 sec: 0.162641 ( -0.019622  0.019183 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.09812e-06 ( -1.49848e-07  1.47096e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   -8.296 sec. to   74.072 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.97383   ( -4.97383   -4.97383 )
    beta        : -1.39150    ( -0.256534   0.244073 )
    Epeak [keV] : 23.6157      ( -23.6157 71.0432 )
    Norm@50keV   : 169.154    ( -19.7883   493689 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.87 using 59 PHA bins.
    # Reduced chi-squared =          1.052 for     55 degrees of freedom 
    # Null hypothesis probability =   3.697665e-01
     
    Photon flux (15-150 keV)    in 82.37 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]    : 16.8075  (-3.25058  4.28717)
    R^2/D10^2   : 1.22498E-02  (-0.006375   0.0130473)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          87.35 using 59 PHA bins.
    # Reduced chi-squared =          1.533 for     57 degrees of freedom 
    # Null hypothesis probability =   5.976859e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.823e-08   1.362e-08
    25- 50  2.553e-07   4.407e-08
    50-150  5.130e-07   1.321e-07
    15-150  8.265e-07   1.471e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 0.664865       (-0.0789062     0.0789009)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.36 using 59 PHA bins.
    # Reduced chi-squared =          1.112 for     57 degrees of freedom 
    # Null hypothesis probability =   2.620646e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.364e-07   7.673e-08
    25- 50  2.623e-07   1.451e-07
    50-150  5.753e-07   3.152e-07
    15-150  9.740e-07   5.362e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.87447        (-1.73867      1.4629)
    R1^2/D10^2  : 0.196931        (-0.124773      0.370649)
    kT2 [keV]   : 39.5633        (-13.1109      49.8382)
    R2^2/D10^2  : 7.17556E-04    (-0.000606964   0.000953398)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.11 using 59 PHA bins.
    # Reduced chi-squared =          1.020 for     55 degrees of freedom 
    # Null hypothesis probability =   4.330045e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.328e-07   6.386e-08
    25- 50  2.415e-07   1.071e-07
    50-150  7.961e-07   4.100e-07
    15-150  1.170e-06   5.215e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.644 sec. to    1.644 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.06926     ( -0.311629   0.300485 )
    Norm@50keV  : 1.18336E-02    ( -0.00189477   0.00189335 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.88 using 59 PHA bins.
    # Reduced chi-squared =          1.016 for     57 degrees of freedom 
    # Null hypothesis probability =   4.424354e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.36884 ( -0.222509  0.222986 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.24964e-07 ( -2.30166e-08  2.333e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.644 sec. to    1.644 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.07664     ( -0.442587   0.291308 )
    Epeak [keV] : 9999.34      ( -9999.36 -9999.36 )
    Norm@50keV  : 1.18484E-02    ( -0.00190197   0.00190348 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.91 using 59 PHA bins.
    # Reduced chi-squared =          1.034 for     56 degrees of freedom 
    # Null hypothesis probability =   4.047191e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.37124 ( -0.22412  0.22053 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.24976e-07 ( -2.3019e-08  2.269e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.644 sec. to    1.644 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.889265   ( 0.889265   0.889265 )
    beta        : -1.06926    ( 1.06926   0.311634 )
    Epeak [keV] : 53.6913      ( -53.6913 -53.6913 )
    Norm@50keV   : 1.94080E-02    ( -0.00863593   1.84628 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.88 using 59 PHA bins.
    # Reduced chi-squared =          1.052 for     55 degrees of freedom 
    # Null hypothesis probability =   3.693115e-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]    : 22.0703  (-5.66855  8.46904)
    R^2/D10^2   : 4.58611E-02  (-0.0279753   0.0699813)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          72.08 using 59 PHA bins.
    # Reduced chi-squared =          1.265 for     57 degrees of freedom 
    # Null hypothesis probability =   8.603785e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.128e-09   1.556e-09
    25- 50  2.187e-08   6.100e-09
    50-150  7.960e-08   2.613e-08
    15-150  1.056e-07   3.061e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 5.48947       (-0.911644     0.911619)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.50 using 59 PHA bins.
    # Reduced chi-squared =          1.149 for     57 degrees of freedom 
    # Null hypothesis probability =   2.057620e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.367e-08   7.875e-09
    25- 50  2.630e-08   1.497e-08
    50-150  5.768e-08   3.288e-08
    15-150  9.766e-08   5.570e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.22539        (-2.69288      4.20472)
    R1^2/D10^2  : 1.18123        (-0.913192      3.46442)
    kT2 [keV]   : 46.0652        (-18.713      -46.0674)
    R2^2/D10^2  : 4.86184E-03    (-0.00459515   0.0163331)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.47 using 59 PHA bins.
    # Reduced chi-squared =          1.027 for     55 degrees of freedom 
    # Null hypothesis probability =   4.198706e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.142e-08   6.615e-09
    25- 50  2.338e-08   1.260e-08
    50-150  9.831e-08   5.370e-08
    15-150  1.331e-07   7.075e-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: 1.39742     ( -0.185194   0.185373 )
    Norm@50keV  : 2.66758E-03    ( -0.000273462   0.00027168 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          37.88 using 59 PHA bins.
    # Reduced chi-squared =         0.6646 for     57 degrees of freedom 
    # Null hypothesis probability =   9.760160e-01
     
    Photon flux (15-150 keV)    in 37.32 sec: 0.324671 ( -0.0326359  0.0326898 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 9.62464e-07 ( -1.11893e-07  1.1343e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.39434     ( -0.199566   0.186591 )
    Epeak [keV] : 9999.36      ( -9999.36 -9999.36 )
    Norm@50keV  : 2.67705E-03    ( -0.002677   0.00170747 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          37.90 using 59 PHA bins.
    # Reduced chi-squared =         0.6767 for     56 degrees of freedom 
    # Null hypothesis probability =   9.696252e-01
     
    Photon flux (15-150 keV)    in 37.32 sec: 0.324834 ( -0.032774  0.032423 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 9.57467e-07 ( -1.07504e-07  1.17207e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.84931   ( -4.84931   -4.84931 )
    beta        : -1.44581    ( -0.21032   0.200843 )
    Epeak [keV] : 22.3204      ( -22.3204 6.20525 )
    Norm@50keV   : 396.754    ( -39.301   1.13892e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          37.41 using 59 PHA bins.
    # Reduced chi-squared =         0.6801 for     55 degrees of freedom 
    # Null hypothesis probability =   9.666647e-01
     
    Photon flux (15-150 keV)    in 37.32 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)  = 2.47e-07
    S(50-100 keV) = 3.96e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 67.9679999947548 sec.
    Hardness ratio (energy fluence ratio) = 1.60324
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.1757
    Count Ratio (50-100 keV) / (15-25 keV) = 0.960132
    

    Mask shadow pattern

    IMX = -1.849384243682249E-01, IMY = -4.491802623731363E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.408000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.408000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.408000
    

    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:
    -202.371400 -8.296000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.6550 -40.7005   13.9  42.4 -110.9   0.7443   0.8   10.5	Vela X-1                      
     45.9876 -11.8437    2.7  39.8   75.2   3.2313   4.3 ------	UNKNOWN                       
    101.5159 -59.4350    2.4  26.6  -67.8   1.0239   4.8 ------	UNKNOWN                       
    131.4721  -0.9178    4.2  58.7 -159.3   3.2039   2.8 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -8.296000 29.028580
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.4003 -40.6498    7.7  42.2 -111.1  -0.4264  -1.5    8.2	Vela X-1                      
     25.0928 -26.6538    2.5  47.8   41.2   1.5430   4.6 ------	UNKNOWN                       
     70.4827 -12.2552    0.8  25.9  112.4   1.5028  14.6 ------	UNKNOWN                       
     80.4024 -27.8811    2.1   8.6  133.8   0.3851   5.4 ------	UNKNOWN                       
    358.8342 -59.6017    2.5  55.3   -6.5   1.1498   4.6 ------	UNKNOWN                       
    122.4259 -43.7122    2.3  32.3 -108.0   0.5498   5.0 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    81.628590 679.528600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6244  22.0186    0.3  36.7  172.1  23.8301  39.0    0.5	Crab                          
     26.1667 -41.0803    2.9  48.2   16.4   4.4034   3.9 ------	UNKNOWN                       
    116.5451  25.6893    3.5  58.8 -159.2   9.3850   3.3 ------	UNKNOWN                       
     59.1574 -70.7769    4.8  58.9  -24.3   9.0830   2.4 ------	UNKNOWN                       
     63.2784 -70.8676    3.2  58.7  -25.8  12.7232   3.6 ------	UNKNOWN                       
    119.6492  13.5274    8.4  55.2 -144.9   4.1362   1.4 ------	UNKNOWN                       
     93.4911 -61.6342    4.6  52.1  -42.2   6.3582   2.5 ------	UNKNOWN                       
    117.6997   0.4169    2.7  48.5 -130.3   8.0827   4.3 ------	UNKNOWN                       
    
    Plot creation:
    Sat May 30 18:05:21 EDT 2015