batgrbproduct Analysis for Trigger=451901

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 13 22:36:57 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger451901
======================================================================

  Trigger: 00451901      Segment: 000

  BAT Trigger Time: 325179722.752   [s; MET]
      Trigger Stop: 325179722.88   [s; MET]
               UTC: 2011-04-22T15:41:55.870640    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 111.994986280231   Dec: 75.1057497440089  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.19
     Image Trigger?:     NO
     Rate S/N Ratio:     27.9463772249642  [ if not an image trigger ]
     Image S/N Ratio:    7.19

  Flight Position:   [ source = BAT ]
    RA: 111.994986280231   Dec: 75.1057497440089  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 112.054744672371   Dec: 75.1000434192061  [deg; J2000]  
        { 07h 28m 13.1s , +75d 06' 00.2" }
         +/- 0.651622034702634 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.284183816267759 [arcmin] (formal 1-sigma fit error)
    SNR: 56.083966410047
 
  Angular difference between Flight and Ground position is 0.983307 arcmin
 
  Partial Coding Fraction: 0.2265625    [ including projection effects ]

  Duration
     T90: 25.7839999198914 +/- 0.595449441244896
        Measured from: -5.60399997234344
                   to: 20.1799999475479     [s; relative to TRIGTIME]
     T50: 10.9319999217987 +/- 0.199719778713348
        Measured from: 2.58000004291534
                   to: 13.5119999647141     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 6.90400004386902     
                   to: 7.90400004386902     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -11.1559999585152     
                   to: 36.7600000500679     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     9.998205  18.631905  18.505677   5.281088
           0.122846   0.151919   0.149099   0.100399 [error]
 Peak      0.499016   1.116053   1.337021   0.518001
           0.024935   0.033911   0.038030   0.027883 [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 4.34e-06 8.80e-06 1.39e-05 4.87e-05 3.87e-05 7.57e-05   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux Power-law 6.23e+00 8.61e+00 8.80e+00 1.64e+01 2.89e+01 4.00e+01   ph/cm2/s
              Error 4.28e-01 3.63e-01 3.01e-01 1.20e+00 9.75e-01 1.41e+00   ph/cm2/s
 
Fluence   Cutoff-PL 3.66e-06 8.86e-06 1.49e-05 3.08e-05 3.83e-05 5.81e-05   erg/cm2
              Error 1.77e-07 1.71e-07 2.70e-07 2.71e-06 5.26e-07 2.70e-06   erg/cm2
Peak flux Cutoff-PL 5.73e+00 8.72e+00 9.16e+00 1.26e+01 2.86e+01 3.62e+01   ph/cm2/s
              Error 5.55e-01 3.82e-01 4.05e-01 2.56e+00 9.93e-01 2.72e+00   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    1.340    0.000    -      -           8.24e-02 0.00e+00  117.750 57
CPL   0.831    0.106     148.0   18.1      1.31e-01 1.22e-02   44.670 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.969    0.056    -      -           2.51e-01 8.34e-03   61.350 57
CPL   0.680    0.228     276.9  367.3      3.34e-01 7.37e-02   56.400 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: 23.616000 sec.
T50 in the 50-300 keV band: 9.792000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   47.916  -11.156   36.760
T90    25.784   -5.604   20.180
T50    10.932    2.580   13.512
Peak    1.000    6.904    7.904
  • 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
      112.0547    75.1000   0.0034    44.6590  -135.7440        58.9031983     56.084 TRIG_00451901                 
     
    Foreground time interval of the image:
    -11.156  36.760 (delta_t =  47.916 [sec])
    Background time interval of the image:
    -357.051 -289.696 (delta_t =  67.356 [sec])
    -239.752 -11.156 (delta_t = 228.596 [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 0.128000
    

    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 0.128000
    

    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 0.128000
    

    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)

    The mask-weighted light curves based on cleaned DPHs

    Spectral Evolution

    Spectra

    Notes:

    Time averaged spectrum fit using the average DRM

    Power-law model
    Time interval is from  -11.156 sec. to   36.760 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.34000     (     )
    Norm@50keV  : 8.24251E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         117.75 using 59 PHA bins.
    # Reduced chi-squared =         2.0659 for     57 degrees of freedom 
    # Null hypothesis probability =   4.050404e-06
     
    Photon flux (15-150 keV)    in 47.92 sec: 9.90966 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.86643e-05 ( 0  0 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -11.156 sec. to   36.760 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.830896     ( -0.107116   0.104973 )
    Epeak [keV] : 147.995      ( -14.6724 21.4632 )
    Norm@50keV  : 0.130678    ( -0.0115538   0.0128828 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.67 using 59 PHA bins.
    # Reduced chi-squared =         0.7977 for     56 degrees of freedom 
    # Null hypothesis probability =   8.618086e-01
     
    Photon flux (15-150 keV)    in 47.92 sec: 9.54136 ( -0.17596  0.17701 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.83327e-05 ( -5.26018e-07  5.2573e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -11.156 sec. to   36.760 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.805832   ( -0.113811   0.211238 )
    beta        : -1.85637    ( 1.85336   0.270564 )
    Epeak [keV] : 142.322      ( -35.6369 24.4951 )
    Norm@50keV   : 0.134270    ( -0.013996   0.0394395 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.34 using 59 PHA bins.
    # Reduced chi-squared =         0.8062 for     55 degrees of freedom 
    # Null hypothesis probability =   8.474574e-01
     
    Photon flux (15-150 keV)    in 47.92 sec: 9.52157 (    ) 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]    : 21.5311  (  )
    R^2/D10^2   : 0.343490  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         858.31 using 59 PHA bins.
    # Reduced chi-squared =         15.058 for     57 degrees of freedom 
    # Null hypothesis probability =  1.935136e-143
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.426e-06   4.337e-08
    25- 50  7.443e-06   1.677e-07
    50-150  2.576e-05   4.385e-07
    15-150  3.463e-05   4.936e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.363       (      )
    Norm        : 43.7936       (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         452.21 using 59 PHA bins.
    # Reduced chi-squared =         7.9334 for     57 degrees of freedom 
    # Null hypothesis probability =   7.005736e-63
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.226e-06   9.584e-08
    25- 50  1.005e-05   1.653e-07
    50-150  2.205e-05   3.690e-07
    15-150  3.732e-05   5.918e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 9.42777        (-0.580737      0.608677)
    R1^2/D10^2  : 3.04013        (-0.520736      0.663582)
    kT2 [keV]   : 32.2167        (-1.56473      1.86841)
    R2^2/D10^2  : 6.95197E-02    (-0.0131401   0.0143422)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.52 using 59 PHA bins.
    # Reduced chi-squared =         0.8276 for     55 degrees of freedom 
    # Null hypothesis probability =   8.152224e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.095e-06   1.653e-07
    25- 50  9.163e-06   2.588e-07
    50-150  2.590e-05   6.493e-07
    15-150  3.816e-05   7.643e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    6.904 sec. to    7.904 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.969015     ( -0.0559474   0.0555546 )
    Norm@50keV  : 0.251201    ( -0.00834604   0.00833068 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.35 using 59 PHA bins.
    # Reduced chi-squared =          1.076 for     57 degrees of freedom 
    # Null hypothesis probability =   3.227738e-01
     
    Photon flux (15-150 keV)    in 1 sec: 28.8795 ( -0.974925  0.975475 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.74683e-06 ( -9.48529e-08  9.48849e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    6.904 sec. to    7.904 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.680225     ( -0.234004   0.222637 )
    Epeak [keV] : 276.950      ( -96.5161 638.087 )
    Norm@50keV  : 0.333578    ( -0.0641857   0.0832246 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.40 using 59 PHA bins.
    # Reduced chi-squared =          1.007 for     56 degrees of freedom 
    # Null hypothesis probability =   4.599092e-01
     
    Photon flux (15-150 keV)    in 1 sec: 28.6148 ( -0.9925  0.994 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.73168e-06 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from    6.904 sec. to    7.904 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 0.311779   ( -4.37169   -4.37169 )
    beta        : -1.08622    ( -0.0583998   0.0585335 )
    Epeak [keV] : 71.1427      ( -16.735 135.37 )
    Norm@50keV   : 1.33074    ( -1.3276   9.70307 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.98 using 59 PHA bins.
    # Reduced chi-squared =         0.9634 for     55 degrees of freedom 
    # Null hypothesis probability =   5.520006e-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]    : 23.3719  (  )
    R^2/D10^2   : 0.879615  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         197.62 using 59 PHA bins.
    # Reduced chi-squared =         3.4670 for     57 degrees of freedom 
    # Null hypothesis probability =   2.114855e-17
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.640e-08   5.645e-09
    25- 50  4.730e-07   2.410e-08
    50-150  1.928e-06   9.300e-08
    15-150  2.488e-06   1.005e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.363       (      )
    Norm        : 117.971       (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         356.22 using 59 PHA bins.
    # Reduced chi-squared =         6.2495 for     57 degrees of freedom 
    # Null hypothesis probability =   7.159781e-45
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.938e-07   9.850e-09
    25- 50  5.651e-07   1.955e-08
    50-150  1.239e-06   4.300e-08
    15-150  2.098e-06   7.500e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 10.5190        (-1.4815      1.65485)
    R1^2/D10^2  : 5.81259        (-1.79534      2.93241)
    kT2 [keV]   : 41.9613        (-6.37086      11.5148)
    R2^2/D10^2  : 0.119525    (-0.0601258   0.0815684)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.16 using 59 PHA bins.
    # Reduced chi-squared =         0.9847 for     55 degrees of freedom 
    # Null hypothesis probability =   5.067895e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.592e-07   1.935e-08
    25- 50  5.360e-07   5.715e-08
    50-150  2.050e-06   3.390e-07
    15-150  2.745e-06   4.190e-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: 1.34000     (     )
    Norm@50keV  : 8.24251E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         117.75 using 59 PHA bins.
    # Reduced chi-squared =         2.0659 for     57 degrees of freedom 
    # Null hypothesis probability =   4.050404e-06
     
    Photon flux (15-150 keV)    in 47.92 sec: 9.90966 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.86643e-05 ( 0  0 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.830896     ( -0.107116   0.104973 )
    Epeak [keV] : 147.995      ( -14.6724 21.4632 )
    Norm@50keV  : 0.130678    ( -0.0115538   0.0128828 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.67 using 59 PHA bins.
    # Reduced chi-squared =         0.7977 for     56 degrees of freedom 
    # Null hypothesis probability =   8.618086e-01
     
    Photon flux (15-150 keV)    in 47.92 sec: 9.54136 ( -0.17596  0.17701 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.83327e-05 ( -5.26018e-07  5.2573e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.805832   ( -0.113811   0.211238 )
    beta        : -1.85637    ( 1.85336   0.270564 )
    Epeak [keV] : 142.322      ( -34.8733 24.4949 )
    Norm@50keV   : 0.134270    ( -0.013996   0.0394395 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.34 using 59 PHA bins.
    # Reduced chi-squared =         0.8062 for     55 degrees of freedom 
    # Null hypothesis probability =   8.474574e-01
     
    Photon flux (15-150 keV)    in 47.92 sec: 9.52157 (    ) 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)  = 8.80e-06
    S(50-100 keV) = 1.39e-05
    

    T90 vs. Hardness ratio plot

    T90                                   = 25.7839999198914 sec.
    Hardness ratio (energy fluence ratio) = 1.57955
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.86353
    Count Ratio (50-100 keV) / (15-25 keV) = 1.8509
    

    Mask shadow pattern

    IMX = -7.077538567061747E-01, IMY = 6.896085308524967E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.128000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.128000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.128000
    

    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:
    -357.051400 -289.695600
    -239.752000 -11.156000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.4365  35.3552    1.3  22.3   51.2   2.0883   8.6    1.3	Her X-1                       
    288.8255  10.8677    7.1  54.8   10.9   1.5926   1.6    4.9	GRS 1915+105                  
    299.5980  35.1912    0.8  39.0  -18.2   3.8512  13.7    0.7	Cyg X-1                       
    308.1062  41.0022    2.0  39.2  -32.3   1.8130   5.8    3.0	Cyg X-3                       
    318.8288  26.1378    3.2  56.3  -28.3   3.8259   3.6 ------	UNKNOWN                       
    327.7452  41.7092    2.8  49.1  -48.0   4.2081   4.1 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -11.156000 36.760000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.7002  35.3686   19.7  22.3   50.6   0.1497   0.6   12.0	Her X-1                       
    288.7957  10.9447   36.3  54.7   10.9   0.2920   0.3    0.2	GRS 1915+105                  
    299.6107  35.2057  183.8  39.0  -18.2  -0.0276  -0.1    1.0	Cyg X-1                       
    308.1204  40.8057    5.9  39.3  -32.0   1.1211   2.0    8.8	Cyg X-3                       
    233.3945  46.5055    3.4  15.5  110.2   0.9929   3.4 ------	UNKNOWN                       
    146.7516  55.8934    3.1  51.4 -165.9   3.1038   3.8 ------	UNKNOWN                       
    152.6195  74.4479    3.1  37.7 -147.6   1.8446   3.8 ------	UNKNOWN                       
    319.5743  73.6370    2.8  30.0  -90.4   2.5615   4.2 ------	UNKNOWN                       
    112.0548  75.1000    0.2  44.7 -135.7  58.9019  56.1 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    803.048600 962.306400
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    229.4232  54.9050    2.6  43.7   52.3   2.5913   4.4 ------	UNKNOWN                       
    190.5380  66.8996    2.2  24.6   72.0   1.0326   5.3 ------	UNKNOWN                       
    266.9600  65.8066    2.3  38.2   21.0   1.1384   5.1 ------	UNKNOWN                       
    286.8404  52.9584    3.1  51.9    8.7   1.6036   3.7 ------	UNKNOWN                       
    121.4171  34.7680    3.5  40.6  172.8   0.7992   3.3 ------	UNKNOWN                       
    112.3095  17.1233    2.4  58.0 -175.6   3.7773   4.7 ------	UNKNOWN                       
    
    Plot creation:
    Sat May 30 22:23:13 EDT 2015