batgrbproduct Analysis for Trigger=311658

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat May  9 19:17:58 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger311658
======================================================================

  Trigger: 00311658      Segment: 000

  BAT Trigger Time: 232524076.608   [s; MET]
      Trigger Stop: 232524078.656   [s; MET]
               UTC: 2008-05-15T06:01:13.816640    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 3.15011728837097   Dec: 32.5992622180551  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.05
     Image Trigger?:     NO
     Rate S/N Ratio:     8.42614977317636  [ if not an image trigger ]
     Image S/N Ratio:    7.05

  Flight Position:   [ source = BAT ]
    RA: 3.15011728837097   Dec: 32.5992622180551  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 3.15220425090615   Dec: 32.5706458056816  [deg; J2000]  
        { 00h 12m 36.5s , +32d 34' 14.3" }
         +/- 1.74700591442696 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.822886380843991 [arcmin] (formal 1-sigma fit error)
    SNR: 13.7082986731747
 
  Angular difference between Flight and Ground position is 1.720223 arcmin
 
  Partial Coding Fraction: 0.08496094    [ including projection effects ]

  Duration
     T90: 20.8639999628067 +/- 5.16681102919937
        Measured from: -6
                   to: 14.8639999628067     [s; relative to TRIGTIME]
     T50: 7.59999996423721 +/- 3.04542675300362
        Measured from: -0.816000014543533
                   to: 6.78399994969368     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.868000000715256     
                   to: 1.86800000071526     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -10.6400000154972     
                   to: 17.0879999995232     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.643608   2.111479   0.611359   0.037248
           0.117818   0.126125   0.116763   0.115770 [error]
 Peak      0.128916   0.160569   0.069305   0.015324
           0.025113   0.026514   0.024652   0.021441 [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 6.74e-07 8.16e-07 7.15e-07 1.07e-06 2.58e-06 3.28e-06   erg/cm2
              Error 7.23e-08 6.67e-08 1.07e-07 3.09e-07 2.47e-07 4.40e-07   erg/cm2
Peak flux Power-law 1.54e+00 1.14e+00 5.59e-01 3.91e-01 3.42e+00 3.62e+00   ph/cm2/s
              Error 4.22e-01 2.28e-01 1.94e-01 2.57e-01 6.79e-01 7.34e-01   ph/cm2/s
 
Fluence   Cutoff-PL 6.00e-07 9.67e-07 5.55e-07 8.01e-08 2.19e-06 2.20e-06   erg/cm2
              Error 8.44e-08 1.01e-07 1.57e-07 1.36e-07 2.63e-07 2.91e-07   erg/cm2
Peak flux Cutoff-PL 1.52e+00 1.17e+00 5.56e-01 2.80e-01 3.40e+00 3.52e+00   ph/cm2/s
              Error 4.47e-01 2.99e-01 2.40e-01 3.44e-01 6.93e-01 8.07e-01   ph/cm2/s
 
Fluence        Band 5.87e-07 9.71e-07 5.60e-07 3.34e-07 2.29e-06 2.46e-06   erg/cm2
              Error 8.48e-08 9.84e-08 -------- 3.58e-07 2.80e-07 4.70e-07   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    2.191    0.155    -      -           9.91e-03 1.08e-03   62.960 57
CPL   0.394    1.072      33.5    5.4      1.24e-01 3.39e-01   50.280 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.024    0.385    -      -           2.25e-02 5.96e-03   44.390 57
CPL   1.818    1.358      35.7    0.0      2.99e-02 0.00e+00   44.330 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   27.728  -10.640   17.088
T90    20.864   -6.000   14.864
T50     7.600   -0.816    6.784
Peak    1.000    0.868    1.868
  • 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
        3.1522    32.5706   0.0140    41.6303   -69.8356         4.6458368     13.708 TRIG_00311658                 
     
    Foreground time interval of the image:
    -10.640  17.088 (delta_t =  27.728 [sec])
    Background time interval of the image:
    -60.608 -10.640 (delta_t =  49.968 [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  -10.640 sec. to   17.088 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.19090     ( -0.151425   0.158906 )
    Norm@50keV  : 9.90969E-03    ( -0.00108751   0.00107329 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.96 using 59 PHA bins.
    # Reduced chi-squared =          1.104 for     57 degrees of freedom 
    # Null hypothesis probability =   2.737814e-01
     
    Photon flux (15-150 keV)    in 27.73 sec: 1.63277 ( -0.129703  0.129729 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.58038e-06 ( -2.445e-07  2.49398e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -10.640 sec. to   17.088 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.394165     ( -1.18759   0.955541 )
    Epeak [keV] : 33.4651      ( -6.17061 4.63386 )
    Norm@50keV  : 0.123518    ( -0.123567   0.554639 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.28 using 59 PHA bins.
    # Reduced chi-squared =         0.8979 for     56 degrees of freedom 
    # Null hypothesis probability =   6.901307e-01
     
    Photon flux (15-150 keV)    in 27.73 sec: 1.53084 ( -0.13648  0.13743 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.19327e-06 ( -2.4558e-07  2.80644e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -10.640 sec. to   17.088 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -7.19690E-02   ( -1.13892   1.78905 )
    beta        : -3.20225    ( 3.20521   0.638535 )
    Epeak [keV] : 32.6443      ( -4.4204 4.59555 )
    Norm@50keV   : 0.204840    ( -0.238985   3.42755 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.93 using 59 PHA bins.
    # Reduced chi-squared =         0.8896 for     55 degrees of freedom 
    # Null hypothesis probability =   7.044936e-01
     
    Photon flux (15-150 keV)    in 27.73 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.2912e-06 ( -2.29101e-06  -2.84621e-07 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 8.80855  (-0.694373  0.751822)
    R^2/D10^2   : 1.24222  (-0.346236   0.482104)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.17 using 59 PHA bins.
    # Reduced chi-squared =          1.003 for     57 degrees of freedom 
    # Null hypothesis probability =   4.687853e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.144e-07   6.558e-08
    25- 50  1.057e-06   1.020e-07
    50-150  3.773e-07   8.911e-08
    15-150  1.949e-06   1.926e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 46.1358       (-8.64781      11.9338)
    Norm        : 9.70804       (-1.28014     1.59598)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.78 using 59 PHA bins.
    # Reduced chi-squared =         0.9260 for     57 degrees of freedom 
    # Null hypothesis probability =   6.340161e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.453e-07   7.265e-08
    25- 50  8.996e-07   8.014e-08
    50-150  8.079e-07   1.945e-07
    15-150  2.353e-06   2.361e-07
    
    Double BB
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.78681        (      )
    R1^2/D10^2  : 1.81969        (-0.654782      278.022)
    kT2 [keV]   : 28.8189        (-27.1673      -29.3049)
    R2^2/D10^2  : 4.17547E-03    (-0.00399293   0.826176)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.26 using 59 PHA bins.
    #Fit statistic : Chi-Squared =          49.91 using 59 PHA bins.
    # Reduced chi-squared =         0.9321 for     55 degrees of freedom 
    # Reduced chi-squared =         0.9074 for     55 degrees of freedom 
    # Null hypothesis probability =   6.181233e-01
    # Null hypothesis probability =   6.690079e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.958e-07   3.056e-07
    25- 50  9.778e-07   5.144e-07
    50-150  5.339e-07   3.084e-07
    15-150  2.107e-06   1.074e-06
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.868 sec. to    1.868 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.02448     ( -0.359672   0.409815 )
    Norm@50keV  : 2.25215E-02    ( -0.00611301   0.00581383 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.39 using 59 PHA bins.
    # Reduced chi-squared =         0.7787 for     57 degrees of freedom 
    # Null hypothesis probability =   8.884304e-01
     
    Photon flux (15-150 keV)    in 1 sec: 3.41682 ( -0.679117  0.679121 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.07991e-07 ( -5.06242e-08  5.26477e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.868 sec. to    1.868 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.81753     ( -2.41273   0.303787 )
    Epeak [keV] : 35.6885      (   )
    Norm@50keV  : 2.99387E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.33 using 59 PHA bins.
    # Reduced chi-squared =         0.7916 for     56 degrees of freedom 
    # Null hypothesis probability =   8.699873e-01
     
    Photon flux (15-150 keV)    in 1 sec: 3.39706 ( -0.69655  0.69038 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.03352e-07 ( -6.2527e-08  5.6441e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.868 sec. to    1.868 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.49082   ( -4.49082   -4.49082 )
    beta        : -2.29259    ( -0.741354   0.492657 )
    Epeak [keV] : 24.6022      ( -24.6022 6.53916 )
    Norm@50keV   : 1805.11    ( -356.523   3.96552e+07 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.52 using 59 PHA bins.
    # Reduced chi-squared =         0.7913 for     55 degrees of freedom 
    # Null hypothesis probability =   8.678869e-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]    : 8.39899  (-1.70761  2.31991)
    R^2/D10^2   : 3.12451  (-1.92336   4.52245)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.41 using 59 PHA bins.
    # Reduced chi-squared =         0.8493 for     57 degrees of freedom 
    # Null hypothesis probability =   7.839639e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.123e-08   1.779e-08
    25- 50  7.838e-08   2.972e-08
    50-150  2.409e-08   1.429e-08
    15-150  1.437e-07   4.748e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 61.0116       (-28.1592      77.2343)
    Norm        : 17.8258       (-5.17714     8.07363)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.55 using 59 PHA bins.
    # Reduced chi-squared =         0.7815 for     57 degrees of freedom 
    # Null hypothesis probability =   8.850013e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.492e-08   1.343e-08
    25- 50  6.872e-08   2.182e-08
    50-150  7.928e-08   4.926e-08
    15-150  1.929e-07   6.874e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.67901        (-2.51014      2.43021)
    R1^2/D10^2  : 6.46865        (-3.82144      19.6366)
    kT2 [keV]   : 29.7915        (-23.0805      -35.9724)
    R2^2/D10^2  : 1.44627E-02    (-0.00839899   0.151243)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.06 using 59 PHA bins.
    # Reduced chi-squared =         0.7829 for     55 degrees of freedom 
    # Null hypothesis probability =   8.787044e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.605e-08   2.686e-08
    25- 50  6.737e-08   3.765e-08
    50-150  8.564e-08   5.770e-08
    15-150  1.991e-07   1.098e-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: 2.19090     ( -0.151425   0.158906 )
    Norm@50keV  : 9.90969E-03    ( -0.00108751   0.00107329 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.96 using 59 PHA bins.
    # Reduced chi-squared =          1.104 for     57 degrees of freedom 
    # Null hypothesis probability =   2.737814e-01
     
    Photon flux (15-150 keV)    in 27.73 sec: 1.63277 ( -0.129703  0.129729 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.58038e-06 ( -2.445e-07  2.49398e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.394165     ( -1.18759   0.955541 )
    Epeak [keV] : 33.4651      ( -6.17061 4.63386 )
    Norm@50keV  : 0.123518    ( -0.123567   0.554639 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.28 using 59 PHA bins.
    # Reduced chi-squared =         0.8979 for     56 degrees of freedom 
    # Null hypothesis probability =   6.901307e-01
     
    Photon flux (15-150 keV)    in 27.73 sec: 1.53084 ( -0.13648  0.13743 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.19327e-06 ( -2.4558e-07  2.80644e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -7.19690E-02   ( -1.13892   1.78905 )
    beta        : -3.20225    ( 3.20521   0.638535 )
    Epeak [keV] : 32.6443      ( -4.4204 4.59555 )
    Norm@50keV   : 0.204840    ( -0.238985   3.42755 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.93 using 59 PHA bins.
    # Reduced chi-squared =         0.8896 for     55 degrees of freedom 
    # Null hypothesis probability =   7.044936e-01
     
    Photon flux (15-150 keV)    in 27.73 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.2912e-06 ( -2.29101e-06  -2.84621e-07 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 8.16e-07
    S(50-100 keV) = 7.15e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 20.8639999628067 sec.
    Hardness ratio (energy fluence ratio) = 0.876225
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.28466
    Count Ratio (50-100 keV) / (15-25 keV) = 0.371962
    

    Mask shadow pattern

    IMX = 3.063780646226157E-01, IMY = 8.343104835587968E-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:
    -60.608000 -10.640000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    288.8315  10.9131    3.7  39.1   57.6   0.7803   3.1    2.8	GRS 1915+105                  
    299.5614  35.1686    0.8  13.2   67.2   1.2512  14.4    2.4	Cyg X-1                       
    308.2873  41.0209    4.2   4.5   50.0   0.2371   2.7    9.0	Cyg X-3                       
    326.1695  38.4728    5.9  12.9  -43.6   0.1747   2.0    9.1	Cyg X-2                       
    266.2364  34.5228    2.9  35.6  110.2   0.7914   4.0 ------	UNKNOWN                       
     55.1677  72.5245    2.5  51.5 -136.8   2.2202   4.6 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -10.640000 17.088000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    288.8168  10.9391  808.5  39.1   57.6  -0.0029  -0.0    1.2	GRS 1915+105                  
    299.5894  35.2639    3.0  13.1   67.4   0.3146   3.9    3.7	Cyg X-1                       
    308.2918  41.0131    6.7   4.5   49.9  -0.1313  -1.7    9.0	Cyg X-3                       
    326.0529  38.1501    8.9  13.1  -42.2   0.1024   1.3   11.7	Cyg X-2                       
      3.1522  32.5706    0.9  41.6  -69.8   4.6475  13.4 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    408.692600 962.479700
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5172 -40.5552    1.3  54.3    1.2  10.5726   8.9    0.5	Vela X-1                      
    170.4433 -60.6023    6.6  44.0   37.9   1.6259   1.8    4.0	Cen X-3                       
    186.5133 -62.7529    5.9  44.2   49.2   2.6096   2.0    4.1	GX 301-2                      
    181.6077 -65.4801    2.5  41.0   47.2   3.7067   4.6 ------	UNKNOWN                       
    354.1833 -42.5534    2.5  35.8 -171.5   1.8333   4.7 ------	UNKNOWN                       
     43.3470 -58.3822    3.1  13.1  -98.3   1.2377   3.7 ------	UNKNOWN                       
     70.6287 -58.2760    2.8  18.6  -48.1   1.2598   4.1 ------	UNKNOWN                       
    116.5239 -42.7869    2.7  46.3  -14.4   2.5637   4.3 ------	UNKNOWN                       
     17.5131 -21.6902    6.8  51.0 -135.5   2.9995   1.7 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 07:37:55 EDT 2015