batgrbproduct Analysis for Trigger=531003

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 13 01:37:44 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger531003
======================================================================

  Trigger: 00531003      Segment: 000

  BAT Trigger Time: 366689648.32   [s; MET]
      Trigger Stop: 366689649.344   [s; MET]
               UTC: 2012-08-15T02:13:58.781640    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 273.955183891862   Dec: -52.1341064210625  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.23
     Image Trigger?:     NO
     Rate S/N Ratio:     16.0312195418814  [ if not an image trigger ]
     Image S/N Ratio:    9.23

  Flight Position:   [ source = BAT ]
    RA: 273.955183891862   Dec: -52.1341064210625  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 273.97646673786   Dec: -52.1243089172957  [deg; J2000]  
        { 18h 15m 54.4s , -52d 07' 27.5" }
         +/- 1.79104064271745 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.729000159722781 [arcmin] (formal 1-sigma fit error)
    SNR: 13.2293704705461
 
  Angular difference between Flight and Ground position is 0.979839 arcmin
 
  Partial Coding Fraction: 0.2851562    [ including projection effects ]

  Duration
     T90: 7.23199999332428 +/- 2.51676054269014
        Measured from: -0.00800001621246338
                   to: 7.22399997711182     [s; relative to TRIGTIME]
     T50: 4.29999995231628 +/- 1.54716770236409
        Measured from: 0.804000020027161
                   to: 5.10399997234344     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.171999990940094     
                   to: 1.17199999094009     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.244000017642975     
                   to: 11.9679999947548     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.364728   0.370263   0.134919   0.037699
           0.036766   0.037678   0.031765   0.026992 [error]
 Peak      0.090140   0.083915   0.053956   0.013105
           0.011840   0.011975   0.009949   0.008615 [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 1.40e-07 1.59e-07 1.29e-07 1.75e-07 4.92e-07 6.02e-07   erg/cm2
              Error 2.13e-08 1.96e-08 2.92e-08 7.48e-08 6.90e-08 1.14e-07   erg/cm2
Peak flux Power-law 9.55e-01 7.45e-01 3.90e-01 2.96e-01 2.23e+00 2.39e+00   ph/cm2/s
              Error 2.01e-01 1.07e-01 8.29e-02 1.19e-01 3.24e-01 3.42e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.33e-07 1.80e-07 1.11e-07 2.84e-08 4.46e-07 4.52e-07   erg/cm2
              Error 2.32e-08 2.79e-08 4.02e-08 7.25e-08 7.50e-08 1.06e-07   erg/cm2
Peak flux Cutoff-PL 8.93e-01 8.16e-01 3.90e-01 1.16e-01 2.18e+00 2.22e+00   ph/cm2/s
              Error 2.22e-01 1.48e-01 9.80e-02 1.89e-01 3.29e-01 3.71e-01   ph/cm2/s
 
Fluence        Band 1.35e-07 1.72e-07 1.12e-07 1.12e-07 4.68e-07 5.32e-07   erg/cm2
              Error -------- 2.60e-08 3.40e-08 -------- 7.32e-08 --------   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    2.300    0.228    -      -           4.21e-03 7.04e-04   53.810 57
CPL   1.184    1.075      27.3    0.0      2.07e-02 0.00e+00   50.290 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.933    0.247    -      -           1.53e-02 2.53e-03   61.720 57
CPL   1.194    1.100      46.1    0.0      4.08e-02 0.00e+00   60.190 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: 0.000000 sec.
T50 in the 50-300 keV band: 0.000000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   12.212   -0.244   11.968
T90     7.232   -0.008    7.224
T50     4.300    0.804    5.104
Peak    1.000    0.172    1.172
  • 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
      273.9765   -52.1243   0.0146    43.7996    19.6862         0.9560139     13.229 TRIG_00531003                 
     
    Foreground time interval of the image:
     -0.244  11.968 (delta_t =  12.212 [sec])
    Background time interval of the image:
    -239.320  -0.244 (delta_t = 239.076 [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)

    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   -0.244 sec. to   11.968 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.30031     ( -0.218651   0.236915 )
    Norm@50keV  : 4.21300E-03    ( -0.000710565   0.000696567 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.81 using 59 PHA bins.
    # Reduced chi-squared =         0.9440 for     57 degrees of freedom 
    # Null hypothesis probability =   5.955690e-01
     
    Photon flux (15-150 keV)    in 12.21 sec: 0.736386 ( -0.0864554  0.0864704 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.91603e-07 ( -6.81728e-08  6.98174e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.244 sec. to   11.968 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.18406     ( -1.38404   0.766736 )
    Epeak [keV] : 27.2523      (   )
    Norm@50keV  : 2.06925E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.29 using 59 PHA bins.
    # Reduced chi-squared =         0.8981 for     56 degrees of freedom 
    # Null hypothesis probability =   6.898097e-01
     
    Photon flux (15-150 keV)    in 12.21 sec: 0.715881 ( -0.087903  0.088242 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.4619e-07 ( -7.10537e-08  7.88949e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.244 sec. to   11.968 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.72877   ( -6.54024   -4.72877 )
    beta        : -2.60625    ( -0.40382   0.315708 )
    Epeak [keV] : 22.9768      ( -3.57587 3.50397 )
    Norm@50keV   : 996.473    ( -115.274   6368.42 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.50 using 59 PHA bins.
    # Reduced chi-squared =         0.8817 for     55 degrees of freedom 
    # Null hypothesis probability =   7.197592e-01
     
    Photon flux (15-150 keV)    in 12.21 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.67581e-07 ( -4.67495e-07  -7.10305e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 8.04255  (-1.05495  1.19717)
    R^2/D10^2   : 0.798027  (-0.34233   0.616303)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.02 using 59 PHA bins.
    # Reduced chi-squared =          1.035 for     57 degrees of freedom 
    # Null hypothesis probability =   4.016560e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.144e-07   2.325e-08
    25- 50  2.021e-07   3.278e-08
    50-150  5.400e-08   2.130e-08
    15-150  3.705e-07   5.904e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 40.6278       (-10.2562      15.4911)
    Norm        : 4.75637       (-0.97602     1.28433)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.30 using 59 PHA bins.
    # Reduced chi-squared =         0.8825 for     57 degrees of freedom 
    # Null hypothesis probability =   7.226819e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.341e-07   1.982e-08
    25- 50  1.775e-07   2.473e-08
    50-150  1.397e-07   5.344e-08
    15-150  4.513e-07   7.821e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.45254        (-1.71091      1.83872)
    R1^2/D10^2  : 2.79211        (-1.73084      2.89401)
    kT2 [keV]   : 15.4272        (-5.25502      19.6842)
    R2^2/D10^2  : 3.30354E-02    (-0.0314518   0.221864)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.04 using 59 PHA bins.
    # Reduced chi-squared =         0.8916 for     55 degrees of freedom 
    # Null hypothesis probability =   7.005729e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.358e-07   7.350e-08
    25- 50  1.746e-07   8.926e-08
    50-150  1.393e-07   8.162e-08
    15-150  4.498e-07   2.297e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.172 sec. to    1.172 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.93336     ( -0.240784   0.253409 )
    Norm@50keV  : 1.52874E-02    ( -0.00255767   0.00250011 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.72 using 59 PHA bins.
    # Reduced chi-squared =          1.083 for     57 degrees of freedom 
    # Null hypothesis probability =   3.112799e-01
     
    Photon flux (15-150 keV)    in 1 sec: 2.22564 ( -0.32338  0.323739 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.40621e-07 ( -2.26457e-08  2.29957e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.172 sec. to    1.172 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.19404     ( -1.30851   0.890594 )
    Epeak [keV] : 46.0800      (   )
    Norm@50keV  : 4.08450E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.19 using 59 PHA bins.
    # Reduced chi-squared =          1.075 for     56 degrees of freedom 
    # Null hypothesis probability =   3.265274e-01
     
    Photon flux (15-150 keV)    in 1 sec: 2.18326 ( -0.32886  0.32904 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.32021e-07 ( -2.4917e-08  2.5874e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.172 sec. to    1.172 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 5.00000   ( -4.82602   -5 )
    beta        : -2.23748    ( -0.409005   0.330522 )
    Epeak [keV] : 25.2662      ( -4.55117 4.00701 )
    Norm@50keV   : 2370.62    ( -332.169   6219.56 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.52 using 59 PHA bins.
    # Reduced chi-squared =          1.010 for     55 degrees of freedom 
    # Null hypothesis probability =   4.548699e-01
     
    Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.35624e-07 ( -1.35617e-07  -2.2893e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 10.2598  (-1.7276  2.02421)
    R^2/D10^2   : 0.962995  (-0.482081   0.996109)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.42 using 59 PHA bins.
    # Reduced chi-squared =          1.218 for     57 degrees of freedom 
    # Null hypothesis probability =   1.251646e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.082e-08   5.245e-09
    25- 50  5.364e-08   1.089e-08
    50-150  3.014e-08   1.074e-08
    15-150  1.046e-07   1.967e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 73.3567       (-25.3723      51.2225)
    Norm        : 10.8797       (-2.23787     2.82082)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.17 using 59 PHA bins.
    # Reduced chi-squared =          1.056 for     57 degrees of freedom 
    # Null hypothesis probability =   3.618983e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.804e-08   5.235e-09
    25- 50  4.517e-08   8.105e-09
    50-150  6.004e-08   2.492e-08
    15-150  1.333e-07   3.298e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.25884        (-1.81907      2.49702)
    R1^2/D10^2  : 4.66019        (-3.16348      11.0659)
    kT2 [keV]   : 21.1043        (-7.50589      45.7791)
    R2^2/D10^2  : 3.97185E-02    (-0.0386927   0.0801458)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.09 using 59 PHA bins.
    # Reduced chi-squared =          1.056 for     55 degrees of freedom 
    # Null hypothesis probability =   3.620920e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.904e-08   1.588e-08
    25- 50  4.527e-08   2.344e-08
    50-150  6.015e-08   3.299e-08
    15-150  1.345e-07   7.010e-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: 2.30031     ( -0.218651   0.236915 )
    Norm@50keV  : 4.21300E-03    ( -0.000710565   0.000696567 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.81 using 59 PHA bins.
    # Reduced chi-squared =         0.9440 for     57 degrees of freedom 
    # Null hypothesis probability =   5.955690e-01
     
    Photon flux (15-150 keV)    in 12.21 sec: 0.736386 ( -0.0864554  0.0864704 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.91603e-07 ( -6.81728e-08  6.98174e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.18406     ( -1.38404   0.766736 )
    Epeak [keV] : 27.2523      (   )
    Norm@50keV  : 2.06925E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.29 using 59 PHA bins.
    # Reduced chi-squared =         0.8981 for     56 degrees of freedom 
    # Null hypothesis probability =   6.898097e-01
     
    Photon flux (15-150 keV)    in 12.21 sec: 0.715881 ( -0.087903  0.088242 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.4619e-07 ( -7.10537e-08  7.88949e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.72877   ( -6.53805   -4.72877 )
    beta        : -2.60625    ( -0.40382   0.315708 )
    Epeak [keV] : 22.9768      ( -3.57587 3.50397 )
    Norm@50keV   : 996.473    ( -115.274   6368.42 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.50 using 59 PHA bins.
    # Reduced chi-squared =         0.8817 for     55 degrees of freedom 
    # Null hypothesis probability =   7.197592e-01
     
    Photon flux (15-150 keV)    in 12.21 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.67581e-07 ( -4.67495e-07  -7.10305e-08 ) ergs/cm2
     
    

    S(25-50 keV) vs. S(50-100 keV) plot

    S(25-50 keV)  = 1.59e-07
    S(50-100 keV) = 1.29e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 7.23199999332428 sec.
    Hardness ratio (energy fluence ratio) = 0.811321
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.01518
    Count Ratio (50-100 keV) / (15-25 keV) = 0.369917
    

    Mask shadow pattern

    IMX = 9.029025794022019E-01, IMY = -3.230404159963384E-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:
    -239.320000 -0.244000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.4218 -60.6537  124.6  46.0  -56.8  -0.0776  -0.1    3.6	Cen X-3                       
    186.3053 -62.7157    5.9  44.8  -46.0   1.0665   2.0   10.2	GX 301-2                      
    264.6080 -44.3913    6.5  53.4   16.1   1.4030   1.8    6.8	4U 1735-44                    
    260.0368 -43.1046    2.8  55.7   12.8   4.0365   4.1 ------	UNKNOWN                       
    273.2647 -59.8847    2.4  37.1   13.6   1.2210   4.9 ------	UNKNOWN                       
    328.8991 -69.9008    3.1  14.3   36.7   0.5984   3.7 ------	UNKNOWN                       
     43.1326 -40.7110    2.6  34.8  179.8   0.9479   4.5 ------	UNKNOWN                       
    101.8941 -49.3889    2.0  43.2 -113.2   4.5028   5.6 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -0.244000 11.968000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.5468 -60.7354    5.0  46.0  -56.7   0.3159   2.3    9.6	Cen X-3                       
    186.2570 -62.7881   32.6  44.7  -46.0  -0.0296  -0.4   11.0	GX 301-2                      
    264.5992 -44.3410    5.4  53.4   16.1  -0.3297  -2.1    9.0	4U 1735-44                    
    273.9765 -52.1243    0.9  43.8   19.7   0.9562  13.2 ------	UNKNOWN                       
    344.5032 -81.7927    2.4  11.1  -20.4   0.1471   4.9 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    523.080610 962.777700
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5753 -40.5405    1.9  28.1  174.3   2.1105   6.2    2.3	Vela X-1                      
    170.4669 -60.6050    4.7  27.8  109.1  -1.0645  -2.4    4.6	Cen X-3                       
    186.7557 -62.7909    8.8  31.9   95.2   0.7071   1.3    3.0	GX 301-2                      
    208.4396  12.9207    3.4  58.9  -24.4   8.0946   3.4 ------	UNKNOWN                       
    
    Plot creation:
    Sat May 30 18:43:11 EDT 2015