batgrbproduct Analysis for Trigger=306778

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 20 03:40:30 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger306778
======================================================================

  Trigger: 00306778      Segment: 000

  BAT Trigger Time: 227622359.616   [s; MET]
      Trigger Stop: 227622360.64   [s; MET]
               UTC: 2008-03-19T12:25:56.961660    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 258.973352489113   Dec: 55.4098844023449  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    15.1
     Image Trigger?:     NO
     Rate S/N Ratio:     69.3613725354393  [ if not an image trigger ]
     Image S/N Ratio:    15.1

  Flight Position:   [ source = BAT ]
    RA: 258.973352489113   Dec: 55.4098844023449  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 259.008096885045   Dec: 55.3913388801278  [deg; J2000]  
        { 17h 16m 01.9s , +55d 23' 28.8" }
         +/- 0.916906688220536 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.273196054266063 [arcmin] (formal 1-sigma fit error)
    SNR: 34.4302049307086
 
  Angular difference between Flight and Ground position is 1.624630 arcmin
 
  Partial Coding Fraction: 0.3046875    [ including projection effects ]

  Duration
     T90: 29.5519999861717 +/- 9.41457083506473
        Measured from: 0.212000012397766
                   to: 29.7639999985695     [s; relative to TRIGTIME]
     T50: 7.45600000023842 +/- 0.45291942449091
        Measured from: 1.95600000023842
                   to: 9.41200000047684     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.127999991178513     
                   to: 1.12799999117851     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.328000009059906     
                   to: 43.4200000166893     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.062880   1.879763   1.685047   0.497519
           0.056512   0.061847   0.058308   0.052195 [error]
 Peak      0.122295   0.212427   0.233555   0.079877
           0.010521   0.013101   0.013873   0.011627 [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 3.70e-07 7.75e-07 1.27e-06 4.72e-06 3.51e-06 7.13e-06   erg/cm2
              Error 2.75e-08 3.37e-08 5.71e-08 4.84e-07 1.43e-07 5.15e-07   erg/cm2
Peak flux Power-law 1.20e+00 1.56e+00 1.49e+00 2.52e+00 5.09e+00 6.77e+00   ph/cm2/s
              Error 1.46e-01 1.16e-01 1.06e-01 3.82e-01 3.23e-01 4.72e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.48e-07 7.91e-07 1.30e-06 3.27e-06 3.45e-06 5.71e-06   erg/cm2
              Error 3.45e-08 3.75e-08 6.52e-08 1.12e-06 1.56e-07 1.18e-06   erg/cm2
Peak flux Cutoff-PL 1.15e+00 1.58e+00 1.52e+00 2.12e+00 5.06e+00 6.37e+00   ph/cm2/s
              Error 1.67e-01 1.26e-01 1.28e-01 -------- 3.29e-01 7.62e-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    1.285    0.068    -      -           8.10e-03 3.02e-04   48.770 57
CPL   1.018    0.278     201.6 2238.5      1.08e-02 3.05e-03   45.870 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.067    0.108    -      -           4.40e-02 2.75e-03   40.650 57
CPL   0.906    0.325     380.3    0.0      5.23e-02 2.01e-02   40.200 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: 11.520000 sec.
T50 in the 50-300 keV band: 6.784000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   43.748   -0.328   43.420
T90    29.552    0.212   29.764
T50     7.456    1.956    9.412
Peak    1.000    0.128    1.128
  • 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
      259.0081    55.3913   0.0056    33.6705  -101.4636         5.3084307     34.430 TRIG_00306778                 
     
    Foreground time interval of the image:
     -0.328  43.420 (delta_t =  43.748 [sec])
    Background time interval of the image:
    -132.915  -0.328 (delta_t = 132.587 [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   -0.328 sec. to   43.420 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.28538     ( -0.0683079   0.0680927 )
    Norm@50keV  : 8.09523E-03    ( -0.000302179   0.000302175 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.77 using 59 PHA bins.
    # Reduced chi-squared =         0.8556 for     57 degrees of freedom 
    # Null hypothesis probability =   7.728952e-01
     
    Photon flux (15-150 keV)    in 43.75 sec: 0.963229 ( -0.0379726  0.0380417 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.51246e-06 ( -1.42884e-07  1.43262e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.328 sec. to   43.420 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.01850     ( -0.284828   0.270553 )
    Epeak [keV] : 201.644      ( -76.5348 4400.55 )
    Norm@50keV  : 1.07586E-02    ( -0.00239626   0.00369611 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.87 using 59 PHA bins.
    # Reduced chi-squared =         0.8191 for     56 degrees of freedom 
    # Null hypothesis probability =   8.309642e-01
     
    Photon flux (15-150 keV)    in 43.75 sec: 0.948728 ( -0.040475  0.040522 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.4542e-06 ( -1.56796e-07  1.55838e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.328 sec. to   43.420 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.102485   ( -0.829158   3.56467 )
    beta        : -1.38910    ( 1.38741   0.108004 )
    Epeak [keV] : 57.9467      ( -26.7881 214.417 )
    Norm@50keV   : 4.14738E-02    ( -0.0430121   9.75889 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.60 using 59 PHA bins.
    # Reduced chi-squared =         0.7926 for     55 degrees of freedom 
    # Null hypothesis probability =   8.661597e-01
     
    Photon flux (15-150 keV)    in 43.75 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]    : 18.1731  (  )
    R^2/D10^2   : 5.86106E-02  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         170.23 using 59 PHA bins.
    # Reduced chi-squared =         2.9865 for     57 degrees of freedom 
    # Null hypothesis probability =   3.294946e-13
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.690e-07   1.391e-08
    25- 50  7.873e-07   4.156e-08
    50-150  1.892e-06   1.339e-07
    15-150  2.848e-06   1.277e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 4.03470       (-0.152345     0.152297)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          91.59 using 59 PHA bins.
    # Reduced chi-squared =          1.607 for     57 degrees of freedom 
    # Null hypothesis probability =   2.485055e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.397e-07   1.645e-08
    25- 50  8.458e-07   3.369e-08
    50-150  1.855e-06   7.131e-08
    15-150  3.140e-06   1.273e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.72977        (-1.27478      1.42382)
    R1^2/D10^2  : 0.418648        (-0.147007      0.258495)
    kT2 [keV]   : 33.2255        (-5.25426      9.2042)
    R2^2/D10^2  : 6.32333E-03    (-0.00340339   0.00510809)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.43 using 59 PHA bins.
    # Reduced chi-squared =         0.8442 for     55 degrees of freedom 
    # Null hypothesis probability =   7.878920e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.121e-07   4.441e-08
    25- 50  8.287e-07   8.422e-08
    50-150  2.326e-06   4.331e-07
    15-150  3.467e-06   4.657e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.128 sec. to    1.128 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.06733     ( -0.107926   0.107177 )
    Norm@50keV  : 4.39965E-02    ( -0.00274632   0.00274566 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          40.65 using 59 PHA bins.
    # Reduced chi-squared =         0.7132 for     57 degrees of freedom 
    # Null hypothesis probability =   9.499147e-01
     
    Photon flux (15-150 keV)    in 1 sec: 5.08840 ( -0.322617  0.322733 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.6491e-07 ( -3.2685e-08  3.28042e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.128 sec. to    1.128 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.906133     ( -0.436374   0.21407 )
    Epeak [keV] : 380.266      ( -380.266 -380.266 )
    Norm@50keV  : 5.22550E-02    ( -0.0104744   0.0296523 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          40.20 using 59 PHA bins.
    # Reduced chi-squared =         0.7178 for     56 degrees of freedom 
    # Null hypothesis probability =   9.449950e-01
     
    Photon flux (15-150 keV)    in 1 sec: 5.06320 ( -0.32861  0.32847 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.61846e-07 ( -3.4154e-08  3.392e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.128 sec. to    1.128 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 2.71871   ( -2.71871   -2.71871 )
    beta        : -1.10936    ( -0.139499   0.123243 )
    Epeak [keV] : 29.5112      ( -29.5112 108.989 )
    Norm@50keV   : 34.4148    ( -34.4148   928.678 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          39.51 using 59 PHA bins.
    # Reduced chi-squared =         0.7185 for     55 degrees of freedom 
    # Null hypothesis probability =   9.427392e-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]    : 20.7537  (-1.73298  1.9394)
    R^2/D10^2   : 0.217785  (-0.0536249   0.0695032)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          88.80 using 59 PHA bins.
    # Reduced chi-squared =          1.558 for     57 degrees of freedom 
    # Null hypothesis probability =   4.459288e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.781e-08   2.395e-09
    25- 50  9.087e-08   8.510e-09
    50-150  2.914e-07   3.520e-08
    15-150  4.001e-07   3.260e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 20.4051       (-1.32307     1.32307)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          93.07 using 59 PHA bins.
    # Reduced chi-squared =          1.633 for     57 degrees of freedom 
    # Null hypothesis probability =   1.806823e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.079e-08   4.000e-09
    25- 50  9.770e-08   1.062e-08
    50-150  2.143e-07   5.330e-08
    15-150  3.628e-07   6.660e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.93191        (-1.9732      2.69183)
    R1^2/D10^2  : 2.54336        (-1.4267      3.88094)
    kT2 [keV]   : 33.5633        (-6.41666      15.2793)
    R2^2/D10^2  : 4.06032E-02    (-0.0275165   0.0446335)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          40.96 using 59 PHA bins.
    # Reduced chi-squared =         0.7447 for     55 degrees of freedom 
    # Null hypothesis probability =   9.204613e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.541e-08   1.257e-08
    25- 50  9.248e-08   1.973e-08
    50-150  3.367e-07   9.565e-08
    15-150  4.646e-07   1.311e-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: 1.28538     ( -0.0683079   0.0680927 )
    Norm@50keV  : 8.09523E-03    ( -0.000302179   0.000302175 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.77 using 59 PHA bins.
    # Reduced chi-squared =         0.8556 for     57 degrees of freedom 
    # Null hypothesis probability =   7.728952e-01
     
    Photon flux (15-150 keV)    in 43.75 sec: 0.963229 ( -0.0379726  0.0380417 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.51246e-06 ( -1.42884e-07  1.43262e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.01850     ( -0.284828   0.270553 )
    Epeak [keV] : 201.644      ( -76.5348 4400.55 )
    Norm@50keV  : 1.07586E-02    ( -0.00239626   0.00369611 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.87 using 59 PHA bins.
    # Reduced chi-squared =         0.8191 for     56 degrees of freedom 
    # Null hypothesis probability =   8.309642e-01
     
    Photon flux (15-150 keV)    in 43.75 sec: 0.948728 ( -0.040475  0.040522 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.4542e-06 ( -1.56796e-07  1.55838e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.102485   ( -0.829158   3.56467 )
    beta        : -1.38910    ( 1.38741   0.108004 )
    Epeak [keV] : 57.9467      ( -26.7881 214.417 )
    Norm@50keV   : 4.14738E-02    ( -0.0430121   9.75889 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.60 using 59 PHA bins.
    # Reduced chi-squared =         0.7926 for     55 degrees of freedom 
    # Null hypothesis probability =   8.661597e-01
     
    Photon flux (15-150 keV)    in 43.75 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)  = 7.75e-07
    S(50-100 keV) = 1.27e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 29.5519999861717 sec.
    Hardness ratio (energy fluence ratio) = 1.63871
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.76856
    Count Ratio (50-100 keV) / (15-25 keV) = 1.58536
    

    Mask shadow pattern

    IMX = -1.323988251153645E-01, IMY = 6.528828242920284E-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:
    -132.915400 -0.328000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.3603  35.3884   12.1  29.4  -63.0  -0.1471  -0.9    5.5	Her X-1                       
    203.1634  -3.7668    2.3  42.4   58.4   2.1083   5.0 ------	UNKNOWN                       
    229.8173 -11.0839    2.3  48.7   20.6   1.6145   5.1 ------	UNKNOWN                       
    162.0736  62.8832    2.3  42.8 -177.5   0.8080   5.0 ------	UNKNOWN                       
    266.3436  10.1180    3.5  50.9  -35.4   1.2787   3.3 ------	UNKNOWN                       
    271.0396  31.9011    3.1  43.7  -64.2   1.8640   3.7 ------	UNKNOWN                       
    273.7099  67.1019    3.4  43.8 -116.1   1.8213   3.4 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -0.328000 43.420000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.4272  35.4760   11.9  29.4  -63.2  -0.1104  -1.0    8.2	Her X-1                       
    259.0081  55.3914    0.3  33.7 -101.5   5.3077  34.4 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    208.084600 962.484000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.6691  35.2234    0.0  20.4   18.7  -0.2099  -0.7   12.6	Her X-1                       
    268.3265  -1.4124   17.0  57.3   -2.5   1.2936   0.7    3.5	SW J1753.5-0127               
    288.6751  10.9458    5.2  50.2  -30.7  -1.9915  -2.2    7.3	GRS 1915+105                  
    299.5648  35.2019    0.6  34.2  -62.4  11.5491  20.9    1.3	Cyg X-1                       
    308.0971  40.9527    2.6  34.9  -77.9   3.7244   4.4    0.6	Cyg X-3                       
    106.1979  68.7630    2.9  54.2  176.8   5.3589   4.0 ------	UNKNOWN                       
    252.9535  87.8005    2.3  32.4 -171.8   1.8294   5.0 ------	UNKNOWN                       
    293.4878  59.8891    2.4  18.8 -109.4   1.6589   4.8 ------	UNKNOWN                       
    288.1969  13.5267    3.0  47.6  -31.4   3.0803   3.9 ------	UNKNOWN                       
    310.0225  38.1816    3.5  37.9  -76.2   3.3158   3.3 ------	UNKNOWN                       
    298.8044  14.8660    2.0  50.8  -44.5  11.7438   5.8 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 08:03:31 EDT 2015