batgrbproduct Analysis for Trigger=633180

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Mar 14 16:18:04 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger633180
======================================================================

  Trigger: 00633180      Segment: 000

  BAT Trigger Time: 446931497.28   [s; MET]
      Trigger Stop: 446931497.792   [s; MET]
               UTC: 2015-03-01T19:38:04.027580    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 89.157317619222   Dec: -57.9771814195121  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.73
     Image Trigger?:     NO
     Rate S/N Ratio:     17.8885438199983  [ if not an image trigger ]
     Image S/N Ratio:    10.73

  Flight Position:   [ source = BAT ]
    RA: 89.157317619222   Dec: -57.9771814195121  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 89.1596804556417   Dec: -57.9672142320293  [deg; J2000]  
        { 05h 56m 38.3s , -57d 58' 02.0" }
         +/- 0.759113042586336 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.176544936136965 [arcmin] (formal 1-sigma fit error)
    SNR: 45.0930032738172
 
  Angular difference between Flight and Ground position is 0.602739 arcmin
 
  Partial Coding Fraction: 0.625    [ including projection effects ]

  Duration
     T90: 17.1360000371933 +/- 4.63505939155724
        Measured from: 0.15200001001358
                   to: 17.2880000472069     [s; relative to TRIGTIME]
     T50: 5.2960000038147 +/- 0.632961314364614
        Measured from: 2.1360000371933
                   to: 7.432000041008     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 3.64400005340576     
                   to: 4.64400005340576     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.919999957084656     
                   to: 24.0560000538826     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.747507   1.086264   0.858374   0.278899
           0.037536   0.039567   0.034742   0.028466 [error]
 Peak      0.085199   0.126186   0.118908   0.024352
           0.008383   0.009522   0.008786   0.006611 [error]

     [ fluence units of on-axis counts / fully illuminated detector ] 

======================================================================
 
=== Fluence/Peak Flux Summary ===
 
              Model    Band1    Band2    Band3    Band4    Band5    Total      
                       15-25    25-50   50-100  100-350   15-150   15-350   keV
Fluence   Power-law 2.54e-07 4.79e-07 6.98e-07 2.17e-06 1.98e-06 3.60e-06   erg/cm2
              Error 1.99e-08 2.21e-08 3.51e-08 2.45e-07 8.62e-08 2.66e-07   erg/cm2
Peak flux Power-law 9.14e-01 9.85e-01 7.55e-01 9.45e-01 3.01e+00 3.60e+00   ph/cm2/s
              Error 1.28e-01 8.54e-02 7.08e-02 1.82e-01 2.41e-01 2.86e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.51e-07 4.81e-07 7.02e-07 1.99e-06 1.97e-06 3.42e-06   erg/cm2
              Error 2.23e-08 1.85e-08 3.83e-08 4.34e-07 9.14e-08 5.37e-07   erg/cm2
Peak flux Cutoff-PL 8.57e-01 1.01e+00 7.82e-01 6.86e-01 2.98e+00 3.34e+00   ph/cm2/s
              Error 1.53e-01 9.68e-02 8.42e-02 3.35e-01 2.47e-01 4.27e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band -------- -------- -------- -------- -------- --------   ph/cm2/s
              Error -------- -------- -------- -------- -------- --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.456    0.074    -      -           8.29e-03 3.37e-04   76.650 57
CPL   1.396    0.192     544.6    0.0      8.85e-03 2.34e-03   76.520 56
 
The chi2 of BB fit is -------- which shows a significant improvement in the fit over a PL.
Check the BB fit.
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.384    0.132    -      -           2.48e-02 1.94e-03   56.280 57
CPL   1.077    0.461     160.9  -44.7      3.49e-02 1.97e-02   55.170 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: 11.136000 sec.
T50 in the 50-300 keV band: 4.096000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   24.976   -0.920   24.056
T90    17.136    0.152   17.288
T50     5.296    2.136    7.432
Peak    1.000    3.644    4.644
  • 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
       89.1597   -57.9672   0.0042    35.7833   -27.5476         2.5879829     45.093 TRIG_00633180                 
     
    Foreground time interval of the image:
     -0.920  10.221 (delta_t =  11.141 [sec])
    Background time interval of the image:
    -530.779 -513.503 (delta_t =  17.277 [sec])
    -239.280  -0.920 (delta_t = 238.360 [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 0.512000
    

    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 0.512000
    

    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 0.512000
    

    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 pre-slew DRM

    Power-law model
    Time interval is from   -0.920 sec. to   24.056 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.45567     ( -0.0742473   0.0741257 )
    Norm@50keV  : 8.28846E-03    ( -0.000337222   0.000337147 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          76.65 using 59 PHA bins.
    # Reduced chi-squared =          1.345 for     57 degrees of freedom 
    # Null hypothesis probability =   4.231770e-02
     
    Photon flux (15-150 keV)    in 24.98 sec: 1.02288 ( -0.0447324  0.0448426 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.97922e-06 ( -8.60776e-08  8.62667e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.920 sec. to   24.056 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.39637     ( -0.287745   0.0954545 )
    Epeak [keV] : 544.629      ( -544.648 -544.648 )
    Norm@50keV  : 8.84580E-03    ( -0.0015107   0.00317694 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          76.52 using 59 PHA bins.
    # Reduced chi-squared =          1.366 for     56 degrees of freedom 
    # Null hypothesis probability =   3.563116e-02
     
    Photon flux (15-150 keV)    in 24.98 sec: 1.01935 ( -0.047317  0.04726 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.97268e-06 ( -9.17465e-08  9.1137e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.920 sec. to   24.056 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.97207   ( -4.97207   -4.97207 )
    beta        : -1.48308    ( -0.0791582   0.0783477 )
    Epeak [keV] : 22.7305      ( -22.7305 3.60165 )
    Norm@50keV   : 1415.89    ( -57.4817   3.3859e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.87 using 59 PHA bins.
    # Reduced chi-squared =          1.361 for     55 degrees of freedom 
    # Null hypothesis probability =   3.860619e-02
     
    Photon flux (15-150 keV)    in 24.98 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 16.4309  (  )
    R^2/D10^2   : 8.30945E-02  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         225.00 using 59 PHA bins.
    # Reduced chi-squared =         3.9474 for     57 degrees of freedom 
    # Null hypothesis probability =   8.129619e-22
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.151e-07   9.667e-09
    25- 50  4.955e-07   2.823e-08
    50-150  9.443e-07   7.282e-08
    15-150  1.555e-06   7.656e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 4.23008       (-0.1723     0.17228)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          85.16 using 59 PHA bins.
    # Reduced chi-squared =          1.494 for     57 degrees of freedom 
    # Null hypothesis probability =   9.210312e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.631e-07   1.149e-08
    25- 50  5.062e-07   2.448e-08
    50-150  1.110e-06   5.133e-08
    15-150  1.879e-06   8.281e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.47990        (-1.07564      1.13003)
    R1^2/D10^2  : 0.577662        (-0.188422      0.319975)
    kT2 [keV]   : 35.4080        (-6.18843      10.6118)
    R2^2/D10^2  : 4.79313E-03    (-0.00262212   0.0043448)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          77.23 using 59 PHA bins.
    # Reduced chi-squared =          1.404 for     55 degrees of freedom 
    # Null hypothesis probability =   2.565649e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.164e-07   2.823e-08
    25- 50  5.156e-07   5.396e-08
    50-150  1.248e-06   2.760e-07
    15-150  1.980e-06   2.714e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.000 sec. to    0.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.38442     ( -0.131781   0.132158 )
    Norm@50keV  : 2.48029E-02    ( -0.00194227   0.00193837 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.28 using 59 PHA bins.
    # Reduced chi-squared =         0.9873 for     57 degrees of freedom 
    # Null hypothesis probability =   5.022120e-01
     
    Photon flux (15-150 keV)    in 1 sec: 3.01002 ( -0.241068  0.241365 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.40437e-07 ( -2.06189e-08  2.07075e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to    0.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.07718     ( -0.549021   0.372441 )
    Epeak [keV] : 160.891      ( -71.5196 -160.891 )
    Norm@50keV  : 3.48813E-02    ( -0.0114417   0.0278691 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.17 using 59 PHA bins.
    # Reduced chi-squared =         0.9851 for     56 degrees of freedom 
    # Null hypothesis probability =   5.063945e-01
     
    Photon flux (15-150 keV)    in 1 sec: 2.97652 ( -0.24734  0.24713 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.3712e-07 ( -2.16e-08  2.1528e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to    0.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.07835   ( -0.304908   0.553175 )
    beta        : -10.0000    ( 10   7.10543e-15 )
    Epeak [keV] : 160.892      ( -51.5797 -160.954 )
    Norm@50keV   : 3.48659E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.17 using 59 PHA bins.
    # Reduced chi-squared =          1.003 for     55 degrees of freedom 
    # Null hypothesis probability =   4.683299e-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]    : 17.3577  (-1.68175  1.89181)
    R^2/D10^2   : 0.214878  (-0.064276   0.0900222)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          91.48 using 59 PHA bins.
    # Reduced chi-squared =          1.605 for     57 degrees of freedom 
    # Null hypothesis probability =   2.543580e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.311e-08   2.090e-09
    25- 50  5.896e-08   6.610e-09
    50-150  1.276e-07   1.775e-08
    15-150  1.997e-07   1.925e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 12.4906       (-0.974517     0.974452)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.37 using 59 PHA bins.
    # Reduced chi-squared =          1.059 for     57 degrees of freedom 
    # Null hypothesis probability =   3.550687e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.110e-08   2.905e-09
    25- 50  5.983e-08   6.205e-09
    50-150  1.312e-07   4.223e-08
    15-150  2.221e-07   4.460e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.99295        (-1.56765      2.16843)
    R1^2/D10^2  : 4.63122        (-3.0222      10.6749)
    kT2 [keV]   : 24.8980        (-3.93635      6.65831)
    R2^2/D10^2  : 5.36978E-02    (-0.0308393   0.0468325)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.68 using 59 PHA bins.
    # Reduced chi-squared =         0.9941 for     55 degrees of freedom 
    # Null hypothesis probability =   4.869579e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.786e-08   1.293e-08
    25- 50  5.476e-08   1.692e-08
    50-150  1.529e-07   4.191e-08
    15-150  2.355e-07   4.845e-08
    

    Pre-slew spectrum (Pre-slew PHA with pre-slew DRM)

    Power-law model
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.42477     ( -0.0646128   0.0645198 )
    Norm@50keV  : 1.58805E-02    ( -0.000568645   0.000568639 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.97 using 59 PHA bins.
    # Reduced chi-squared =          1.052 for     57 degrees of freedom 
    # Null hypothesis probability =   3.687072e-01
     
    Photon flux (15-150 keV)    in 11.14 sec: 1.94510 ( -0.0753168  0.0755011 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.70099e-06 ( -6.47316e-08  6.48379e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.20336     ( -0.261579   0.239917 )
    Epeak [keV] : 197.160      ( -77.868 -197.16 )
    Norm@50keV  : 2.01271E-02    ( -0.00435435   0.00629057 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.63 using 59 PHA bins.
    # Reduced chi-squared =          1.029 for     56 degrees of freedom 
    # Null hypothesis probability =   4.145398e-01
     
    Photon flux (15-150 keV)    in 11.14 sec: 1.92019 ( -0.07985  0.08003 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.68066e-06 ( -6.94356e-08  6.91348e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.803332   ( -0.499153   0.852354 )
    beta        : -1.52845    ( 1.52808   0.116745 )
    Epeak [keV] : 79.2731      ( -49.6895 654.494 )
    Norm@50keV   : 3.51669E-02    ( -0.0181893   0.617164 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.41 using 59 PHA bins.
    # Reduced chi-squared =          1.026 for     55 degrees of freedom 
    # Null hypothesis probability =   4.221484e-01
     
    Photon flux (15-150 keV)    in 11.14 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)  = 4.79e-07
    S(50-100 keV) = 6.98e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 17.1360000371933 sec.
    Hardness ratio (energy fluence ratio) = 1.4572
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.45318
    Count Ratio (50-100 keV) / (15-25 keV) = 1.14832
    

    Mask shadow pattern

    IMX = 6.390636812100443E-01, IMY = 3.333504845329644E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.512000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.512000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.512000
    

    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:
    -530.779400 -513.502600
    -239.280000 -0.920000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5142 -40.5747    1.3  24.3   40.5   2.1292   8.8    1.4	Vela X-1                      
    170.2385 -60.4780   20.4   5.0 -153.8   0.1164   0.6    9.0	Cen X-3                       
    186.6201 -62.8633    4.4  13.0 -148.2   0.5705   2.7    5.7	GX 301-2                      
    224.9295 -23.7382    2.7  56.5  173.6   5.5570   4.3 ------	UNKNOWN                       
    217.6760 -38.5993    3.6  40.9  179.1   1.0871   3.2 ------	UNKNOWN                       
    164.3486 -79.5865    2.5  20.8  -88.8   1.1518   4.6 ------	UNKNOWN                       
    249.3446 -37.8229    3.5  57.6 -156.3   5.0751   3.3 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -0.920000 10.220590
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.7759 -40.4549    0.0  24.3   41.0   0.0809   1.6   12.8	Vela X-1                      
    169.9594 -60.5046    0.0   4.9 -153.0  -0.0175  -0.4   12.7	Cen X-3                       
    186.8561 -62.7610    7.2  13.1 -148.7  -0.0716  -1.6    5.5	GX 301-2                      
     89.1597 -57.9672    0.3  35.8  -27.5   2.5879  45.2 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    66.220590 183.135300
    184.720000 542.920600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5370 -40.5572    1.6  34.0   98.1   4.5424   7.2    0.4	Vela X-1                      
    170.0276 -60.6324    3.2  38.7  147.7   2.2715   3.6    8.5	Cen X-3                       
    186.5843 -62.7772    3.0  43.7  157.4   3.1155   3.9    2.0	GX 301-2                      
     83.0523 -66.3573    2.0   8.9 -145.5   1.7490   5.8 ------	UNKNOWN                       
    241.2521 -74.6874    2.3  46.1 -171.5   2.8238   5.0 ------	UNKNOWN                       
     33.1940 -34.5831    4.1  43.5  -64.2   5.7130   2.9 ------	UNKNOWN                       
     33.1684 -34.2574    3.8  43.8  -63.9   6.6690   3.3 ------	UNKNOWN                       
    335.4881 -64.0763    3.5  48.0 -129.0   5.8198   3.3 ------	UNKNOWN                       
     20.4536 -47.7862    3.3  40.8  -88.2   6.2290   3.5 ------	UNKNOWN                       
    
    Plot creation:
    Fri Apr 17 12:10:37 EDT 2015