batgrbproduct Analysis for Trigger=282445

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 20 08:56:35 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger282445
======================================================================

  Trigger: 00282445      Segment: 000

  BAT Trigger Time: 203704176   [s; MET]
      Trigger Stop: 203704240   [s; MET]
               UTC: 2007-06-16T16:29:33.974040    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 32.1553533187329   Dec: 56.9481781851878  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.92
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    8.92

  Flight Position:   [ source = BAT ]
    RA: 32.1553533187329   Dec: 56.9481781851878  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 32.0873325021319   Dec: 56.9553496039486  [deg; J2000]  
        { 02h 08m 21.0s , +56d 57' 19.3" }
         +/- 2.60161168691881 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.62368304149754 [arcmin] (formal 1-sigma fit error)
    SNR: 7.76094926712883
 
  Angular difference between Flight and Ground position is 2.266900 arcmin
 
  Partial Coding Fraction: 0.609375    [ including projection effects ]

  Duration
     T90: 406.875999987125 +/- 17.313424148776
        Measured from: 88.580000013113
                   to: 495.456000000238     [s; relative to TRIGTIME]
     T50: 203.879999995232 +/- 5.36175794195104
        Measured from: 160.780000001192
                   to: 364.659999996424     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 139.743999987841     
                   to: 140.743999987841     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -6.52799999713898     
                   to: 602.395999997854     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     9.610418  12.574998   9.055223   2.091862
           0.125655   0.132345   0.120431   0.110638 [error]
 Peak      0.060124   0.087236   0.081495   0.029505
           0.005470   0.006057   0.005867   0.005000 [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 2.93e-06 5.08e-06 6.74e-06 1.82e-05 1.97e-05 3.30e-05   erg/cm2
              Error 1.10e-07 1.08e-07 1.41e-07 9.12e-07 3.45e-07 9.61e-07   erg/cm2
Peak flux Power-law 5.08e-01 6.10e-01 5.28e-01 7.83e-01 1.92e+00 2.43e+00   ph/cm2/s
              Error 7.04e-02 5.02e-02 4.64e-02 1.49e-01 1.40e-01 1.92e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.83e-06 5.11e-06 6.81e-06 1.56e-05 1.95e-05 3.03e-05   erg/cm2
              Error 1.44e-07 1.11e-07 1.58e-07 3.09e-06 3.99e-07 3.13e-06   erg/cm2
Peak flux Cutoff-PL 5.08e-01 6.10e-01 5.28e-01 7.77e-01 1.92e+00 2.42e+00   ph/cm2/s
              Error 6.85e-02 4.95e-02 4.65e-02 1.96e-01 1.39e-01 2.21e-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    1.593    0.035    -      -           3.45e-03 5.94e-05   35.680 57
CPL   1.471    0.137     245.0  -71.9      3.90e-03 5.28e-04   33.430 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.206    0.131    -      -           1.64e-02 1.18e-03   51.670 57
CPL   1.207    0.132    9999.4    0.0      1.64e-02 3.49e-03   51.700 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: 337.792000 sec.
T50 in the 50-300 keV band: 172.352000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  608.924   -6.528  602.396
T90   406.876   88.580  495.456
T50   203.880  160.780  364.660
Peak    1.000  139.744  140.744
  • 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
       32.0873    56.9553   0.0249    26.5741   -64.4708         1.1612474      7.761 TRIG_00282445                 
     
    Foreground time interval of the image:
     -6.528  72.701 (delta_t =  79.229 [sec])
    Background time interval of the image:
    -72.099 -12.640 (delta_t =  59.459 [sec])
    -12.000  -6.528 (delta_t =   5.472 [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 64.000000
    

    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 64.000000
    

    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 64.000000
    

    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   -6.528 sec. to  602.396 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.59279     ( -0.0348116   0.0348039 )
    Norm@50keV  : 3.45150E-03    ( -5.94145e-05   5.94104e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          35.68 using 59 PHA bins.
    # Reduced chi-squared =         0.6260 for     57 degrees of freedom 
    # Null hypothesis probability =   9.879358e-01
     
    Photon flux (15-150 keV)    in 608.9 sec: 0.442548 ( -0.00913376  0.00917529 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.96721e-05 ( -3.45132e-07  3.45293e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -6.528 sec. to  602.396 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.47135     ( -0.141823   0.13195 )
    Epeak [keV] : 245.033      ( -101.299 -245.033 )
    Norm@50keV  : 3.90456E-03    ( -0.00046737   0.000587946 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          33.43 using 59 PHA bins.
    # Reduced chi-squared =         0.5970 for     56 degrees of freedom 
    # Null hypothesis probability =   9.928183e-01
     
    Photon flux (15-150 keV)    in 608.9 sec: 0.437198 ( -0.010764  0.010535 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.95014e-05 ( -3.99865e-07  3.98464e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   -6.528 sec. to  602.396 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.442760   ( -1.49681   4.64285 )
    beta        : -1.61796    ( 1.61797   0.043538 )
    Epeak [keV] : 40.7280      ( -19.3159 101.354 )
    Norm@50keV   : 1.99534E-02    ( -0.0197118   244.955 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          32.20 using 59 PHA bins.
    # Reduced chi-squared =         0.5855 for     55 degrees of freedom 
    # Null hypothesis probability =   9.939895e-01
     
    Photon flux (15-150 keV)    in 608.9 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]    : 16.7741  (  )
    R^2/D10^2   : 3.09432E-02  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         704.08 using 59 PHA bins.
    # Reduced chi-squared =         12.352 for     57 degrees of freedom 
    # Null hypothesis probability =  2.628021e-112
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.084e-06   4.201e-08
    25- 50  4.743e-06   1.251e-07
    50-150  9.487e-06   2.740e-07
    15-150  1.531e-05   2.923e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 1.76654       (-0.0304077     0.0303826)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          39.85 using 59 PHA bins.
    # Reduced chi-squared =         0.6991 for     57 degrees of freedom 
    # Null hypothesis probability =   9.590164e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.679e-06   5.632e-08
    25- 50  5.154e-06   1.096e-07
    50-150  1.130e-05   2.436e-07
    15-150  1.914e-05   3.775e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.40120        (-0.48611      0.511026)
    R1^2/D10^2  : 0.376611        (-0.0795963      0.106756)
    kT2 [keV]   : 27.6395        (-1.70229      2.03749)
    R2^2/D10^2  : 4.30608E-03    (-0.000977737   0.00113874)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.37 using 59 PHA bins.
    # Reduced chi-squared =         0.7703 for     55 degrees of freedom 
    # Null hypothesis probability =   8.937431e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.460e-06   1.641e-07
    25- 50  5.202e-06   1.702e-07
    50-150  1.152e-05   4.171e-07
    15-150  1.918e-05   5.815e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from  139.744 sec. to  140.744 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.20597     ( -0.131823   0.131122 )
    Norm@50keV  : 1.63617E-02    ( -0.00118001   0.00117857 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.67 using 59 PHA bins.
    # Reduced chi-squared =         0.9064 for     57 degrees of freedom 
    # Null hypothesis probability =   6.747529e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.92216 ( -0.139935  0.140091 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.65719e-07 ( -1.38143e-08  1.39188e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  139.744 sec. to  140.744 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.20745     ( -0.137241   0.127555 )
    Epeak [keV] : 9999.36      ( -9999.36 -9999.36 )
    Norm@50keV  : 1.64026E-02    ( -0.00118028   0.00579194 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.70 using 59 PHA bins.
    # Reduced chi-squared =         0.9232 for     56 degrees of freedom 
    # Null hypothesis probability =   6.381782e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.92166 ( -0.13908  0.13979 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.6524e-07 ( -1.3357e-08  1.4802e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from  139.744 sec. to  140.744 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.955203   ( 0.955705   0.955705 )
    beta        : -1.20595    ( 1.20596   0.131876 )
    Epeak [keV] : 56.2805      ( -55.7429 -55.7429 )
    Norm@50keV   : 2.91913E-02    ( -0.0110183   1.74795 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.67 using 59 PHA bins.
    # Reduced chi-squared =         0.9394 for     55 degrees of freedom 
    # Null hypothesis probability =   6.027983e-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]    : 18.5496  (-2.06158  2.39643)
    R^2/D10^2   : 0.109625  (-0.0353427   0.0513341)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         111.90 using 59 PHA bins.
    # Reduced chi-squared =         1.9631 for     57 degrees of freedom 
    # Null hypothesis probability =   1.941015e-05
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.477e-09   1.049e-09
    25- 50  3.535e-08   4.140e-09
    50-150  8.895e-08   1.188e-08
    15-150  1.318e-07   1.340e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 7.81727       (-0.572477     0.572453)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          72.19 using 59 PHA bins.
    # Reduced chi-squared =          1.266 for     57 degrees of freedom 
    # Null hypothesis probability =   8.473305e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.946e-08   1.810e-09
    25- 50  3.744e-08   7.350e-09
    50-150  8.211e-08   2.907e-08
    15-150  1.390e-07   3.851e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.77882        (-1.54011      1.77568)
    R1^2/D10^2  : 1.31042        (-0.630298      1.43936)
    kT2 [keV]   : 39.3706        (-9.56049      22.1852)
    R2^2/D10^2  : 8.89263E-03    (-0.00608248   0.0117023)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.12 using 59 PHA bins.
    # Reduced chi-squared =         0.9113 for     55 degrees of freedom 
    # Null hypothesis probability =   6.610518e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.583e-08   3.651e-09
    25- 50  3.559e-08   9.095e-09
    50-150  1.200e-07   5.254e-08
    15-150  1.715e-07   5.781e-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: 1.61054     ( -0.207477   0.211978 )
    Norm@50keV  : 1.15426E-03    ( -0.000148754   0.000146296 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.15 using 59 PHA bins.
    # Reduced chi-squared =          1.090 for     57 degrees of freedom 
    # Null hypothesis probability =   2.978234e-01
     
    Photon flux (15-150 keV)    in 79.23 sec: 0.148816 ( -0.0172909  0.0172971 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.54202e-07 ( -1.18005e-07  1.20537e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.41700     ( -0.898176   0.397002 )
    Epeak [keV] : 133.775      ( -133.803 -133.803 )
    Norm@50keV  : 1.47999E-03    ( -0.000467378   0.00322713 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.96 using 59 PHA bins.
    # Reduced chi-squared =          1.106 for     56 degrees of freedom 
    # Null hypothesis probability =   2.718818e-01
     
    Photon flux (15-150 keV)    in 79.23 sec: 0.147546 ( -0.01799  0.01793 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.34339e-07 ( -1.43324e-07  1.36252e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 1.42955   ( -2.50189   -0.566172 )
    beta        : -1.94055    ( -0.51026   0.347862 )
    Epeak [keV] : 35.1045      ( -15.2083 64.328 )
    Norm@50keV   : 0.122441    ( -0.117629   19.1967 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.95 using 59 PHA bins.
    # Reduced chi-squared =          1.072 for     55 degrees of freedom 
    # Null hypothesis probability =   3.332985e-01
     
    Photon flux (15-150 keV)    in 79.23 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)  = 5.08e-06
    S(50-100 keV) = 6.74e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 406.875999987125 sec.
    Hardness ratio (energy fluence ratio) = 1.32677
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.30848
    Count Ratio (50-100 keV) / (15-25 keV) = 0.94223
    

    Mask shadow pattern

    IMX = 2.155705603579598E-01, IMY = 4.513608476810955E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    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:
    -72.099400 -12.640000
    -12.000000 -6.528000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.6007  35.1865    1.7  38.3   84.5   2.0448   6.8    1.0	Cyg X-1                       
    308.0093  41.0477    8.3  30.4   77.7   0.1848   1.4    7.3	Cyg X-3                       
    326.2536  38.1960    5.2  29.3   48.8   0.2601   2.2    8.5	Cyg X-2                       
    154.0719  63.2077    2.1  50.0 -147.3   1.1689   5.6 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -6.528000 72.700590
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.5741  35.2888    7.0  38.2   84.6  -0.7692  -1.6    5.3	Cyg X-1                       
    308.0897  40.8970    6.9  30.5   77.5   0.3451   1.7    3.5	Cyg X-3                       
    326.2836  38.3905    5.6  29.1   48.8   0.3728   2.0    6.7	Cyg X-2                       
    295.1181  47.8954    2.3  28.6  100.8   0.9758   5.0 ------	UNKNOWN                       
    316.0377  42.8296    2.4  26.6   67.3   0.8345   4.9 ------	UNKNOWN                       
    359.4151  77.4564    2.7  12.5 -126.9   0.4637   4.2 ------	UNKNOWN                       
     32.0873  56.9554    1.5  26.6  -64.5   1.1615   7.7 ------	UNKNOWN                       
     45.1369  47.9841    2.2  38.5  -64.8   1.3689   5.4 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    120.100590 963.083500
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
      4.5640  34.7136    2.5  29.0   32.7   2.6783   4.7 ------	UNKNOWN                       
     32.1455  56.9444    0.2   0.0  -93.1  31.7945  61.9 ------	UNKNOWN                       
     29.2831  22.8374    2.2  34.2  -14.3   2.7775   5.1 ------	UNKNOWN                       
    156.9474  55.4774    4.1  59.1 -166.1  10.9257   2.8 ------	UNKNOWN                       
    133.7938  60.4484    3.0  47.6 -158.1   3.8949   3.9 ------	UNKNOWN                       
     57.0172  13.9743    5.2  47.0  -53.0   8.2170   3.1 ------	UNKNOWN                       
     57.1927  13.8575    5.8  47.1  -53.1   8.5901   3.2 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 09:54:49 EDT 2015