batgrbproduct Analysis for Trigger=670793

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Mar 17 19:04:28 EDT 2016
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger670793
======================================================================

  Trigger: 00670793      Segment: 000

  BAT Trigger Time: 474718368   [s; MET]
      Trigger Stop: 474718432   [s; MET]
               UTC: 2016-01-17T10:12:32.290060    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 20.3799940195987   Dec: -0.640262519697645  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.99
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    8.99

  Flight Position:   [ source = BAT ]
    RA: 20.3799940195987   Dec: -0.640262519697645  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 20.3716053492741   Dec: -0.678825371260665  [deg; J2000]  
        { 01h 21m 29.2s , -00d 40' 43.8" }
         +/- 1.93997480229112 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.727292271306965 [arcmin] (formal 1-sigma fit error)
    SNR: 11.8026929748799
 
  Angular difference between Flight and Ground position is 2.367875 arcmin
 
  Partial Coding Fraction: 0.609375    [ including projection effects ]

  Duration
     T90: 137 +/- 20.3960780543711
        Measured from: -33
                   to: 104     [s; relative to TRIGTIME]
     T50: 31 +/- 11.1803398874989
        Measured from: 59
                   to: 90     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 76     
                   to: 77     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -60     
                   to: 113     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.445998   2.352710   1.052873   0.209398
           0.103599   0.106066   0.090157   0.076334 [error]
 Peak      0.057528   0.051901   0.028568   0.000817
           0.008789   0.009155   0.007244   0.005837 [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 8.06e-07 9.96e-07 8.96e-07 1.40e-06 3.18e-06 4.10e-06   erg/cm2
              Error 6.73e-08 5.50e-08 8.93e-08 2.79e-07 2.01e-07 3.73e-07   erg/cm2
Peak flux Power-law 5.34e-01 3.87e-01 1.86e-01 1.27e-01 1.17e+00 1.23e+00   ph/cm2/s
              Error 1.30e-01 7.28e-02 5.80e-02 7.24e-02 2.17e-01 2.33e-01   ph/cm2/s
 
Fluence   Cutoff-PL 7.87e-07 1.02e-06 8.82e-07 8.87e-07 3.10e-06 3.58e-06   erg/cm2
              Error 7.10e-08 -------- 9.79e-08 7.24e-07 2.42e-07 --------   erg/cm2
Peak flux Cutoff-PL 4.89e-01 4.58e-01 1.75e-01 2.40e-02 1.14e+00 1.15e+00   ph/cm2/s
              Error 1.43e-01 1.06e-01 7.61e-02 6.65e-02 2.16e-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    2.154    0.113    -      -           1.97e-03 1.40e-04   63.700 57
CPL   1.932    0.000      12.6   21.9      2.64e-03 1.43e-03   62.850 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.056    0.328    -      -           7.58e-03 1.83e-03   70.290 57
CPL   0.684    1.682      37.7   31.0      5.10e-02 4.92e-01   67.460 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: 32.832000 sec.
T50 in the 50-300 keV band: 18.880000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  173.000  -60.000  113.000
T90   137.000  -33.000  104.000
T50    31.000   59.000   90.000
Peak    1.000   76.000   77.000
  • 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
       20.3716    -0.6788   0.0163    25.6685   138.0088         7.5820278     11.803 TRIG_00670793                 
     
    Foreground time interval of the image:
    -60.000 113.000 (delta_t = 173.000 [sec])
    Background time interval of the image:
    -78.099 -60.000 (delta_t =  18.099 [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 66.944000 to 67.968000
    

    8 ms binning

    From T100_start-3 s to T100_start+3 s
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 66.944000 to 67.968000
    

    2 ms binning

    From T100_start-1 s to T100_start+1 s
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 66.944000 to 67.968000
    

    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  -60.000 sec. to  113.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.15358     ( -0.111794   0.114852 )
    Norm@50keV  : 1.96650E-03    ( -0.000140414   0.000138615 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.70 using 59 PHA bins.
    # Reduced chi-squared =          1.118 for     57 degrees of freedom 
    # Null hypothesis probability =   2.526412e-01
     
    Photon flux (15-150 keV)    in 173 sec: 0.317849 ( -0.017963  0.017989 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.17991e-06 ( -1.99846e-07  2.02029e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -60.000 sec. to  113.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.93214     ( -1.99494   -1.99494 )
    Epeak [keV] : 12.6147      ( -11.1173 32.5864 )
    Norm@50keV  : 2.64057E-03    ( -0.000486236   0.00238342 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.85 using 59 PHA bins.
    # Reduced chi-squared =          1.122 for     56 degrees of freedom 
    # Null hypothesis probability =   2.467039e-01
     
    Photon flux (15-150 keV)    in 173 sec: 0.317558 ( -0.01783  0.009683 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.09497e-06 ( -2.49879e-07  2.34661e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -60.000 sec. to  113.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 2.88921   ( -5.68925   -3.90009 )
    beta        : -2.26784    ( -0.167847   0.144216 )
    Epeak [keV] : 22.5660      ( -4.1131 8.89841 )
    Norm@50keV   : 15.5965    ( -15.5938   283.782 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.16 using 59 PHA bins.
    # Reduced chi-squared =          1.076 for     55 degrees of freedom 
    # Null hypothesis probability =   3.263800e-01
     
    Photon flux (15-150 keV)    in 173 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]    : 9.13342  (  )
    R^2/D10^2   : 0.196439  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         132.46 using 59 PHA bins.
    # Reduced chi-squared =         2.3238 for     57 degrees of freedom 
    # Null hypothesis probability =   6.072031e-08
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.561e-07   5.631e-08
    25- 50  1.209e-06   7.629e-08
    50-150  4.824e-07   8.503e-08
    15-150  2.248e-06   1.436e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 53.2417       (-8.22484      10.9881)
    Norm        : 1.70760       (-0.170573     0.206426)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          66.81 using 59 PHA bins.
    # Reduced chi-squared =          1.172 for     57 degrees of freedom 
    # Null hypothesis probability =   1.755833e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.322e-07   5.640e-08
    25- 50  1.075e-06   5.917e-08
    50-150  1.106e-06   1.515e-07
    15-150  2.913e-06   1.825e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.74382        (-0.848443      0.905588)
    R1^2/D10^2  : 0.969310        (-0.403221      0.815387)
    kT2 [keV]   : 20.4330        (-4.28846      7.21834)
    R2^2/D10^2  : 5.65140E-03    (-0.00380676   0.00906614)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.10 using 59 PHA bins.
    # Reduced chi-squared =          1.129 for     55 degrees of freedom 
    # Null hypothesis probability =   2.379216e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.666e-07   1.419e-07
    25- 50  1.018e-06   1.659e-07
    50-150  1.271e-06   5.031e-07
    15-150  3.055e-06   6.142e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   76.000 sec. to   77.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.05606     ( -0.310593   0.345396 )
    Norm@50keV  : 7.58110E-03    ( -0.00185723   0.00180243 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          70.29 using 59 PHA bins.
    # Reduced chi-squared =          1.233 for     57 degrees of freedom 
    # Null hypothesis probability =   1.111157e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.16765 ( -0.216935  0.21683 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.01843e-08 ( -1.55645e-08  1.60897e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   76.000 sec. to   77.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.684480     ( -2.02823   1.3349 )
    Epeak [keV] : 37.7416      ( -31.339 30.6903 )
    Norm@50keV  : 5.09811E-02    ( -0.0510202   0.933175 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          67.46 using 59 PHA bins.
    # Reduced chi-squared =          1.205 for     56 degrees of freedom 
    # Null hypothesis probability =   1.402910e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.14225 ( -0.215671  0.21686 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.31815e-08 ( -1.50122e-08  1.70306e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   76.000 sec. to   77.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.92978   ( -6.63398   -4.92978 )
    beta        : -2.49748    ( -0.833004   0.48107 )
    Epeak [keV] : 25.7790      ( -5.97973 4.88634 )
    Norm@50keV   : 1041.30    ( -188.515   5391.75 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          66.14 using 59 PHA bins.
    # Reduced chi-squared =          1.202 for     55 degrees of freedom 
    # Null hypothesis probability =   1.445077e-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]    : 9.26513  (-1.82496  2.20081)
    R^2/D10^2   : 0.766401  (-0.431189   1.01184)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          70.89 using 59 PHA bins.
    # Reduced chi-squared =          1.244 for     57 degrees of freedom 
    # Null hypothesis probability =   1.020967e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.299e-08   3.999e-09
    25- 50  2.888e-08   8.515e-09
    50-150  1.203e-08   6.234e-09
    15-150  5.391e-08   1.599e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 56.6520       (-21.6676      45.3062)
    Norm        : 6.42607       (-1.69262     2.27818)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          67.93 using 59 PHA bins.
    # Reduced chi-squared =          1.192 for     57 degrees of freedom 
    # Null hypothesis probability =   1.524164e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.599e-08   3.990e-09
    25- 50  2.390e-08   6.530e-09
    50-150  2.590e-08   1.286e-08
    15-150  6.580e-08   1.835e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.84381        (-2.54235      3.15456)
    R1^2/D10^2  : 2.94517        (-2.23218      19.5943)
    kT2 [keV]   : 16.1402        (-9.96654      31.8936)
    R2^2/D10^2  : 5.47625E-02    (-0.0563458   0.464155)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          66.54 using 59 PHA bins.
    # Reduced chi-squared =          1.210 for     55 degrees of freedom 
    # Null hypothesis probability =   1.369149e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.580e-08   8.905e-09
    25- 50  2.458e-08   1.306e-08
    50-150  2.379e-08   1.425e-08
    15-150  6.417e-08   3.218e-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: 2.15358     ( -0.111794   0.114852 )
    Norm@50keV  : 1.96650E-03    ( -0.000140414   0.000138615 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.70 using 59 PHA bins.
    # Reduced chi-squared =          1.118 for     57 degrees of freedom 
    # Null hypothesis probability =   2.526412e-01
     
    Photon flux (15-150 keV)    in 173 sec: 0.317820 ( -0.0179604  0.0179866 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.17931e-06 ( -1.99953e-07  2.02022e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.92356     ( -0.483452   0.0802855 )
    Epeak [keV] : 13.6899      ( -11.4934 30.0745 )
    Norm@50keV  : 2.66980E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.85 using 59 PHA bins.
    # Reduced chi-squared =          1.122 for     56 degrees of freedom 
    # Null hypothesis probability =   2.467562e-01
     
    Photon flux (15-150 keV)    in 173 sec: 0.313759 ( -0.01937  0.01935 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.09532e-06 ( -2.4976e-07  2.52303e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 1.38688   ( -3.14338   -1.39405 )
    beta        : -2.27135    ( -0.179497   0.153371 )
    Epeak [keV] : 23.4686      ( -4.91528 6.3117 )
    Norm@50keV   : 0.910405    ( -0.959238   298.401 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.15 using 59 PHA bins.
    # Reduced chi-squared =          1.075 for     55 degrees of freedom 
    # Null hypothesis probability =   3.265739e-01
     
    Photon flux (15-150 keV)    in 173 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)  = 9.96e-07
    S(50-100 keV) = 8.96e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 137 sec.
    Hardness ratio (energy fluence ratio) = 0.899598
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.961861
    Count Ratio (50-100 keV) / (15-25 keV) = 0.430447
    

    Mask shadow pattern

    IMX = -3.571980691060386E-01, IMY = -3.215230073956977E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 66.944000 to 67.968000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 66.944000 to 67.968000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 66.944000 to 67.968000
    

    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:
    -78.099400 -60.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.6348  35.1820    3.0  59.6  -14.6   1.1296   3.8    2.5	Cyg X-1                       
    308.1146  41.0065   11.9  55.6   -5.3   0.1630   1.0    3.2	Cyg X-3                       
    326.2110  38.1489    5.5  42.7    2.6  -0.1763  -2.1   10.5	Cyg X-2                       
     39.2215  -4.8048    2.3  44.9  138.3   0.9021   4.9 ------	UNKNOWN                       
      4.1964  33.3539    2.2  30.0   51.9   0.4161   5.3 ------	UNKNOWN                       
    352.8471   9.0743    2.2   5.1    9.2   0.2323   5.3 ------	UNKNOWN                       
    314.1982  40.9774    2.5  51.7   -2.4   0.5207   4.7 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -60.000000 113.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.6700  35.1537    4.3  59.5  -14.7  -7.9790  -2.7    4.9	Cyg X-1                       
    308.1148  41.0018    9.5  55.6   -5.3  -2.0374  -1.2    3.0	Cyg X-3                       
    326.1680  38.2254    5.9  42.8    2.6   1.6186   2.0    5.8	Cyg X-2                       
     34.8941  15.4269    2.3  40.5  108.3   9.6238   5.0 ------	UNKNOWN                       
     27.8268   4.8918    2.4  32.5  124.9   4.0856   4.7 ------	UNKNOWN                       
    344.0986  42.9468    2.2  39.6   24.0   4.2472   5.2 ------	UNKNOWN                       
     20.3716  -0.6788    1.0  25.7  138.0   7.5803  11.8 ------	UNKNOWN                       
    343.9522  27.7442    2.4  25.5   13.1   2.6456   4.8 ------	UNKNOWN                       
    312.3906  -4.0609    2.4  43.7  -64.0   8.9568   4.9 ------	UNKNOWN                       
    336.2469 -37.1467    2.5  45.3 -121.8   8.7873   4.5 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    253.900600 1029.169300
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.6778 -60.5293    0.0  44.9  165.5  -1.7363  -1.2   12.1	Cen X-3                       
    186.5920 -62.7400    3.0  43.5  176.6   4.4276   3.9    2.5	GX 301-2                      
    154.8114 -52.9721    3.1  50.7  152.1  10.7602   3.7 ------	UNKNOWN                       
     42.8593 -35.5971    2.6  40.7   38.8   5.0185   4.4 ------	UNKNOWN                       
    190.5986 -50.8758    3.5  55.5  179.0  10.1473   3.3 ------	UNKNOWN                       
    192.7880 -52.1777    3.9  54.2 -179.4   7.1329   3.0 ------	UNKNOWN                       
    194.1276 -72.2002    3.1  34.2 -178.4   2.5797   3.7 ------	UNKNOWN                       
    202.9381 -48.4534    2.7  57.7 -171.4  13.3818   4.2 ------	UNKNOWN                       
    280.5070 -50.9410    3.5  42.7 -110.5   8.2987   3.3 ------	UNKNOWN                       
    
    Plot creation:
    Fri Mar 18 11:55:48 EDT 2016