batgrbproduct Analysis for Trigger=146227

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jan 22 21:29:59 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger146227
======================================================================

  Trigger: 00146227      Segment: 000

  BAT Trigger Time: 143210163.264   [s; MET]
      Trigger Stop: 143210165.312   [s; MET]
               UTC: 2005-07-16T12:36:03.639280    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 338.597596475194   Dec: 38.6960690450086  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8
     Image Trigger?:     NO
     Rate S/N Ratio:     9.38083151964686  [ if not an image trigger ]
     Image S/N Ratio:    8

  Flight Position:   [ source = BAT ]
    RA: 338.597596475194   Dec: 38.6960690450086  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 338.594337878481   Dec: 38.6846567074294  [deg; J2000]  
        { 22h 34m 22.6s , +38d 41' 04.8" }
         +/- 1.03431979783523 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.363424505934964 [arcmin] (formal 1-sigma fit error)
    SNR: 28.9856402513656
 
  Angular difference between Flight and Ground position is 0.701540 arcmin
 
  Partial Coding Fraction: 0.2304688    [ including projection effects ]

  Duration
     T90: 69.0200000107288 +/- 5.28801364282444
        Measured from: -8.34799998998642
                   to: 60.6720000207424     [s; relative to TRIGTIME]
     T50: 35.4240000247955 +/- 2.01619441985393
        Measured from: 5.24799999594688
                   to: 40.6720000207424     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 12.2199999988079     
                   to: 13.2199999988079     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -13.6759999990463     
                   to: 76.3880000114441     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.898998   3.328691   2.973365   0.818287
           0.102201   0.104854   0.090755   0.072139 [error]
 Peak      0.056977   0.098305   0.077562   0.029747
           0.012744   0.014055   0.011910   0.008729 [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 7.11e-07 1.44e-06 2.28e-06 7.97e-06 6.33e-06 1.24e-05   erg/cm2
              Error 4.90e-08 5.94e-08 9.01e-08 7.09e-07 2.29e-07 7.55e-07   erg/cm2
Peak flux Power-law 6.59e-01 6.99e-01 5.25e-01 6.42e-01 2.13e+00 2.52e+00   ph/cm2/s
              Error 1.80e-01 1.22e-01 9.45e-02 2.31e-01 3.44e-01 3.94e-01   ph/cm2/s
 
Fluence   Cutoff-PL 6.24e-07 1.49e-06 2.40e-06 4.11e-06 6.15e-06 8.63e-06   erg/cm2
              Error 6.11e-08 6.66e-08 1.07e-07 1.17e-06 2.46e-07 1.17e-06   erg/cm2
Peak flux Cutoff-PL 6.06e-01 7.34e-01 5.54e-01 3.93e-01 2.10e+00 2.29e+00   ph/cm2/s
              Error 2.05e-01 1.45e-01 1.11e-01 3.18e-01 2.62e-01 5.01e-01   ph/cm2/s
 
Fluence        Band 5.90e-07 1.54e-06 2.31e-06 6.43e-06 6.16e-06 1.09e-05   erg/cm2
              Error 7.56e-08 -------- 1.42e-07 -------- 2.41e-07 --------   erg/cm2
Peak flux      Band 5.63e-01 8.03e-01 5.24e-01 5.26e-01 2.11e+00 2.41e+00   ph/cm2/s
              Error -------- -------- 9.93e-02 -------- 3.51e-01 4.26e-01   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.340    0.061    -      -           7.18e-03 2.49e-04   58.350 57
CPL   0.789    0.262     122.3   39.2      1.28e-02 3.48e-03   43.730 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.411    0.250    -      -           1.74e-02 2.70e-03   46.000 57
CPL   0.942    0.963     116.3  -31.9      3.00e-02 4.49e-02   45.240 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: 63.552000 sec.
T50 in the 50-300 keV band: 34.816000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   90.064  -13.676   76.388
T90    69.020   -8.348   60.672
T50    35.424    5.248   40.672
Peak    1.000   12.220   13.220
  • 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
      338.5943    38.6847   0.0066    39.1591    42.6777         5.6777049     28.986 TRIG_00146227                 
     
    Foreground time interval of the image:
    -13.676  30.037 (delta_t =  43.713 [sec])
    Background time interval of the image:
    -299.264 -13.676 (delta_t = 285.588 [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 2.048000
    

    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 2.048000
    

    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 2.048000
    

    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  -13.676 sec. to   76.388 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.34036     ( -0.0607487   0.060376 )
    Norm@50keV  : 7.18035E-03    ( -0.000248932   0.000248859 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.35 using 59 PHA bins.
    # Reduced chi-squared =          1.024 for     57 degrees of freedom 
    # Null hypothesis probability =   4.254947e-01
     
    Photon flux (15-150 keV)    in 90.06 sec: 0.863327 ( -0.0325717  0.0326548 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.32961e-06 ( -2.28537e-07  2.28807e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -13.676 sec. to   76.388 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.788979     ( -0.270334   0.254423 )
    Epeak [keV] : 122.331      ( -22.908 55.5365 )
    Norm@50keV  : 1.28050E-02    ( -0.00292424   0.00403891 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.73 using 59 PHA bins.
    # Reduced chi-squared =         0.7809 for     56 degrees of freedom 
    # Null hypothesis probability =   8.835406e-01
     
    Photon flux (15-150 keV)    in 90.06 sec: 0.837325 ( -0.034439  0.034524 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.15204e-06 ( -2.4644e-07  2.44783e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -13.676 sec. to   76.388 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.179654   ( -0.801853   2.90614 )
    beta        : -1.56285    ( 1.5647   0.149962 )
    Epeak [keV] : 68.3709      ( -34.8149 92.6373 )
    Norm@50keV   : 2.98621E-02    ( -0.0177421   3.54897 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.87 using 59 PHA bins.
    # Reduced chi-squared =         0.7795 for     55 degrees of freedom 
    # Null hypothesis probability =   8.828535e-01
     
    Photon flux (15-150 keV)    in 90.06 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.15982e-06 ( -6.15919e-06  -2.41199e-07 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 18.3221  (  )
    R^2/D10^2   : 5.10156E-02  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         163.94 using 59 PHA bins.
    # Reduced chi-squared =         2.8761 for     57 degrees of freedom 
    # Null hypothesis probability =   2.766933e-12
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.070e-07   2.112e-08
    25- 50  1.439e-06   7.385e-08
    50-150  3.521e-06   1.864e-07
    15-150  5.267e-06   2.184e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 3.66350       (-0.127365     0.127309)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          87.69 using 59 PHA bins.
    # Reduced chi-squared =          1.538 for     57 degrees of freedom 
    # Null hypothesis probability =   5.582954e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.215e-07   3.278e-08
    25- 50  1.580e-06   6.574e-08
    50-150  3.466e-06   1.283e-07
    15-150  5.868e-06   2.310e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.53755        (-1.22166      1.36972)
    R1^2/D10^2  : 0.382900        (-0.133723      0.233102)
    kT2 [keV]   : 29.0717        (-3.53745      5.5185)
    R2^2/D10^2  : 8.37765E-03    (-0.00388929   0.00523531)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.52 using 59 PHA bins.
    # Reduced chi-squared =         0.7731 for     55 degrees of freedom 
    # Null hypothesis probability =   8.905102e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.767e-07   8.295e-08
    25- 50  1.547e-06   1.400e-07
    50-150  4.039e-06   5.827e-07
    15-150  6.163e-06   6.962e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   12.220 sec. to   13.220 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.41115     ( -0.252059   0.248371 )
    Norm@50keV  : 1.74255E-02    ( -0.00270609   0.00270165 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.00 using 59 PHA bins.
    # Reduced chi-squared =         0.8070 for     57 degrees of freedom 
    # Null hypothesis probability =   8.511634e-01
     
    Photon flux (15-150 keV)    in 1 sec: 2.12752 ( -0.343704  0.34472 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.67998e-07 ( -2.77559e-08  2.79116e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   12.220 sec. to   13.220 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.941522     ( -1.11383   0.812619 )
    Epeak [keV] : 116.280      ( -52.426 -116.28 )
    Norm@50keV  : 2.99868E-02    ( -0.0147869   0.0749502 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.24 using 59 PHA bins.
    # Reduced chi-squared =         0.8079 for     56 degrees of freedom 
    # Null hypothesis probability =   8.475965e-01
     
    Photon flux (15-150 keV)    in 1 sec: 2.10453 ( -0.17544  0.34787 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.6445e-07 ( -2.9354e-08  2.9002e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   12.220 sec. to   13.220 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.91556   ( -4.91556   -4.91556 )
    beta        : -1.61616    ( -0.470579   0.317667 )
    Epeak [keV] : 29.6069      ( -29.6069 8.61081 )
    Norm@50keV   : 568.421    ( -87.0482   6.56166e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.58 using 59 PHA bins.
    # Reduced chi-squared =         0.7924 for     55 degrees of freedom 
    # Null hypothesis probability =   8.664396e-01
     
    Photon flux (15-150 keV)    in 1 sec: 2.10704 ( 4.89296  -0.35432 ) 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]    : 15.9623  (-3.04893  3.94472)
    R^2/D10^2   : 0.202661  (-0.109527   0.225809)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.81 using 59 PHA bins.
    # Reduced chi-squared =         0.9616 for     57 degrees of freedom 
    # Null hypothesis probability =   5.575636e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.068e-08   3.675e-09
    25- 50  4.486e-08   1.059e-08
    50-150  7.982e-08   2.465e-08
    15-150  1.354e-07   2.995e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 8.90997       (-1.38113     1.38099)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.27 using 59 PHA bins.
    # Reduced chi-squared =         0.8118 for     57 degrees of freedom 
    # Null hypothesis probability =   8.442169e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.219e-08   1.280e-08
    25- 50  4.269e-08   2.424e-08
    50-150  9.362e-08   5.225e-08
    15-150  1.585e-07   9.045e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.68830        (-2.86169      3.66925)
    R1^2/D10^2  : 1.16260        (-0.774246      2.97247)
    kT2 [keV]   : 34.3692        (-27.9176      -34.35)
    R2^2/D10^2  : 1.07687E-02    (-0.0105265   0.0520172)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.39 using 59 PHA bins.
    # Reduced chi-squared =         0.7889 for     55 degrees of freedom 
    # Null hypothesis probability =   8.710256e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.858e-08   1.057e-08
    25- 50  4.553e-08   2.484e-08
    50-150  1.041e-07   5.925e-08
    15-150  1.682e-07   8.635e-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: 1.23796     ( -0.0747097   0.0739219 )
    Norm@50keV  : 9.42373E-03    ( -0.000412465   0.000411999 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.90 using 59 PHA bins.
    # Reduced chi-squared =          1.068 for     57 degrees of freedom 
    # Null hypothesis probability =   3.373329e-01
     
    Photon flux (15-150 keV)    in 43.71 sec: 1.11242 ( -0.0523588  0.0525266 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.13559e-06 ( -1.85492e-07  1.85718e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.516322     ( -0.356104   0.328957 )
    Epeak [keV] : 117.251      ( -21.0971 49.575 )
    Norm@50keV  : 1.97562E-02    ( -0.00552408   0.00833497 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.63 using 59 PHA bins.
    # Reduced chi-squared =         0.8149 for     56 degrees of freedom 
    # Null hypothesis probability =   8.372888e-01
     
    Photon flux (15-150 keV)    in 43.71 sec: 1.07282 ( -0.05497  0.05515 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.00565e-06 ( -1.98588e-07  1.97705e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -2.66274E-02   ( -0.751977   1.71592 )
    beta        : -1.58281    ( 1.58188   0.207071 )
    Epeak [keV] : 79.2676      ( -31.699 71.438 )
    Norm@50keV   : 3.74511E-02    ( -0.0225855   0.439416 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.59 using 59 PHA bins.
    # Reduced chi-squared =         0.8107 for     55 degrees of freedom 
    # Null hypothesis probability =   8.410225e-01
     
    Photon flux (15-150 keV)    in 43.71 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)  = 1.44e-06
    S(50-100 keV) = 2.28e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 69.0200000107288 sec.
    Hardness ratio (energy fluence ratio) = 1.58333
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.75287
    Count Ratio (50-100 keV) / (15-25 keV) = 1.56575
    

    Mask shadow pattern

    IMX = 5.987233751923549E-01, IMY = -5.520548339040845E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    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:
    -299.264000 -13.676000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    308.1998  40.7858    7.6  36.6   80.9   0.9171   1.5   10.8	Cyg X-3                       
    326.1587  38.3041   40.1  38.8   58.2   0.1764   0.3    1.2	Cyg X-2                       
      9.0027  61.7834    3.4  21.7   -7.8   0.7329   3.4 ------	UNKNOWN                       
     95.6953  74.9287    2.9  25.9  -89.9   1.0925   3.9 ------	UNKNOWN                       
     69.5988  49.8086    3.0  45.8  -56.5   4.1784   3.8 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -13.676000 30.036580
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    308.3222  41.0715    0.0  36.4   80.8   0.2240   1.0   12.0	Cyg X-3                       
    326.0374  38.2134   10.1  38.9   58.3   0.2822   1.1    9.1	Cyg X-2                       
    338.5944  38.6847    0.4  39.2   42.7   5.6766  29.0 ------	UNKNOWN                       
    359.4052  66.3542    2.2  15.7   -3.3   0.4044   5.2 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    85.436600 302.787000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.6067  35.1851    0.6  31.1  144.3   5.2865  20.7    1.3	Cyg X-1                       
    308.1175  40.9616    1.2  23.4  153.8   1.8893   9.8    0.6	Cyg X-3                       
    325.9104  38.2809    0.0   9.9  140.1  -0.2520  -1.6   12.5	Cyg X-2                       
    255.2353  57.8840    3.1  54.7 -171.8   2.3228   3.8 ------	UNKNOWN                       
    331.3209  58.3015    2.8  20.2 -142.7   0.6440   4.1 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 16:31:52 EDT 2015