batgrbproduct Analysis for Trigger=278903

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 20 09:52:50 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger278903
======================================================================

  Trigger: 00278903      Segment: 000

  BAT Trigger Time: 200371709.248   [s; MET]
      Trigger Stop: 200371710.272   [s; MET]
               UTC: 2007-05-09T02:48:27.305440    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 237.926549002769   Dec: -78.6806906520622  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.66
     Image Trigger?:     NO
     Rate S/N Ratio:     13.6014705087354  [ if not an image trigger ]
     Image S/N Ratio:    8.66

  Flight Position:   [ source = BAT ]
    RA: 237.926549002769   Dec: -78.6806906520622  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 237.898683721382   Dec: -78.6530361224751  [deg; J2000]  
        { 15h 51m 35.7s , -78d 39' 10.9" }
         +/- 1.68055177092417 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.630720767832941 [arcmin] (formal 1-sigma fit error)
    SNR: 14.4891945239721
 
  Angular difference between Flight and Ground position is 1.691488 arcmin
 
  Partial Coding Fraction: 0.9296875    [ including projection effects ]

  Duration
     T90: 7.82800000905991 +/- 1.16132337087018
        Measured from: -1.05199998617172
                   to: 6.77600002288818     [s; relative to TRIGTIME]
     T50: 3.53599998354912 +/- 1.10314461654296
        Measured from: 0.0520000159740448
                   to: 3.58799999952316     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.30799999833107     
                   to: 0.69200000166893     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.43199998140335     
                   to: 7.86800000071526     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.175647   0.157118   0.062505   0.008759
           0.015121   0.015196   0.012920   0.011052 [error]
 Peak      0.023791   0.037870   0.022231   0.004316
           0.005110   0.005290   0.004378   0.003679 [error]

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

======================================================================
 
=== Fluence/Peak Flux Summary ===
 
              Model    Band1    Band2    Band3    Band4    Band5    Total      
                       15-25    25-50   50-100  100-350   15-150   15-350   keV
Fluence   Power-law 4.97e-08 5.95e-08 5.15e-08 7.61e-08 1.87e-07 2.37e-07   erg/cm2
              Error 7.13e-09 6.93e-09 1.15e-08 3.27e-08 2.62e-08 4.72e-08   erg/cm2
Peak flux Power-law 2.37e-01 2.26e-01 1.50e-01 1.55e-01 6.76e-01 7.68e-01   ph/cm2/s
              Error 6.32e-02 3.97e-02 3.47e-02 7.02e-02 1.17e-01 1.35e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.90e-08 6.20e-08 4.89e-08 3.61e-08 1.79e-07 1.96e-07   erg/cm2
              Error 7.43e-09 9.14e-09 1.47e-08 4.85e-08 3.22e-08 6.61e-08   erg/cm2
Peak flux Cutoff-PL 1.90e-01 2.59e-01 1.61e-01 4.18e-02 6.43e-01 6.52e-01   ph/cm2/s
              Error 7.69e-02 5.22e-02 4.16e-02 6.80e-02 1.21e-01 1.34e-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    2.209    0.226    -      -           2.14e-03 3.48e-04   54.850 57
CPL   1.867    0.631      14.4    0.0      3.50e-03 0.00e+00   54.390 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.593    0.286    -      -           5.28e-03 9.69e-04   65.410 57
CPL   0.179    1.564      61.2   62.1      2.90e-02 1.30e-01   61.740 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    9.300   -1.432    7.868
T90     7.828   -1.052    6.776
T50     3.536    0.052    3.588
Peak    1.000   -0.308    0.692
  • 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
      237.8987   -78.6530   0.0133    13.9036    47.3059         0.4054500     14.489 TRIG_00278903                 
     
    Foreground time interval of the image:
     -1.432   7.868 (delta_t =   9.300 [sec])
    Background time interval of the image:
    -239.248  -1.432 (delta_t = 237.816 [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)

    Spectral Evolution

    Spectra

    Notes:

    Time averaged spectrum fit using the average DRM

    Power-law model
    Time interval is from   -1.432 sec. to    7.868 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.20852     ( -0.217997   0.234555 )
    Norm@50keV  : 2.14152E-03    ( -0.000351314   0.000344452 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.85 using 59 PHA bins.
    # Reduced chi-squared =         0.9623 for     57 degrees of freedom 
    # Null hypothesis probability =   5.561505e-01
     
    Photon flux (15-150 keV)    in 9.3 sec: 0.356131 ( -0.0387783  0.0387788 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.8748e-07 ( -2.58008e-08  2.66886e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -1.432 sec. to    7.868 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.86660     ( -1.13013   0.132192 )
    Epeak [keV] : 14.4300      (   )
    Norm@50keV  : 3.50317E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.39 using 59 PHA bins.
    # Reduced chi-squared =         0.9712 for     56 degrees of freedom 
    # Null hypothesis probability =   5.361380e-01
     
    Photon flux (15-150 keV)    in 9.3 sec: 0.351637 ( -0.040119  0.040219 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.79005e-07 ( -3.16526e-08  3.27899e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -1.432 sec. to    7.868 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.91189   ( 1.94648   1.94648 )
    beta        : -10.0000    ( 10   20 )
    Epeak [keV] : 11.0766      ( -7.07769 26.0377 )
    Norm@50keV   : 3.27528E-03    ( -0.000939823   0.0154743 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.40 using 59 PHA bins.
    # Reduced chi-squared =         0.9890 for     55 degrees of freedom 
    # Null hypothesis probability =   4.976767e-01
     
    Photon flux (15-150 keV)    in 9.3 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]    : 7.68655  (-0.940489  1.08706)
    R^2/D10^2   : 0.453608  (-0.18762   0.31807)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          67.86 using 59 PHA bins.
    # Reduced chi-squared =          1.191 for     57 degrees of freedom 
    # Null hypothesis probability =   1.537110e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.368e-08   7.445e-09
    25- 50  7.124e-08   1.124e-08
    50-150  1.637e-08   6.390e-09
    15-150  1.313e-07   1.930e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 44.0500       (-11.9275      19.3108)
    Norm        : 2.16181       (-0.417477     0.570181)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.10 using 59 PHA bins.
    # Reduced chi-squared =         0.9666 for     57 degrees of freedom 
    # Null hypothesis probability =   5.468259e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.758e-08   6.482e-09
    25- 50  6.515e-08   8.012e-09
    50-150  5.583e-08   2.038e-08
    15-150  1.686e-07   2.692e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.83733        (-1.2743      1.24361)
    R1^2/D10^2  : 1.14962        (-0.593498      1.71919)
    kT2 [keV]   : 23.4934        (-9.3714      26.8193)
    R2^2/D10^2  : 3.47029E-03    (-0.00314777   0.022424)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.12 using 59 PHA bins.
    # Reduced chi-squared =         0.9477 for     55 degrees of freedom 
    # Null hypothesis probability =   5.852049e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.968e-08   1.605e-08
    25- 50  6.117e-08   2.180e-08
    50-150  7.580e-08   4.590e-08
    15-150  1.867e-07   7.588e-08
    

    Peak spectrum fit

    Power-law model
    Time interval is from   -0.308 sec. to    0.692 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.59257     ( -0.280953   0.290974 )
    Norm@50keV  : 5.27581E-03    ( -0.00097606   0.000960949 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.41 using 59 PHA bins.
    # Reduced chi-squared =          1.147 for     57 degrees of freedom 
    # Null hypothesis probability =   2.079802e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.676414 ( -0.116489  0.116594 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.93855e-08 ( -9.68154e-09  9.90873e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.308 sec. to    0.692 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.179318     ( -1.85084   1.27755 )
    Epeak [keV] : 61.1717      ( -14.7376 109.498 )
    Norm@50keV  : 2.89881E-02    ( -0.0289881   0.230616 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.74 using 59 PHA bins.
    # Reduced chi-squared =          1.103 for     56 degrees of freedom 
    # Null hypothesis probability =   2.784117e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.642879 ( -0.121519  0.120909 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.47917e-08 ( -9.7883e-09  1.05818e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.308 sec. to    0.692 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.179099   ( -0.721924   2.73844 )
    beta        : -10.0000    ( 10   0 )
    Epeak [keV] : 61.1555      ( -14.7323 109.861 )
    Norm@50keV   : 2.90004E-02    ( -0.0290003   0.231635 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.74 using 59 PHA bins.
    # Reduced chi-squared =          1.123 for     55 degrees of freedom 
    # Null hypothesis probability =   2.478474e-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]    : 13.7420  (-2.32493  2.93268)
    R^2/D10^2   : 0.108065  (-0.054386   0.102493)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.01 using 59 PHA bins.
    # Reduced chi-squared =          1.123 for     57 degrees of freedom 
    # Null hypothesis probability =   2.440095e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.318e-09   1.422e-09
    25- 50  1.576e-08   4.531e-09
    50-150  1.941e-08   6.735e-09
    15-150  3.949e-08   1.016e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 163.741       (-83.7713      -161.577)
    Norm        : 2.80347       (-0.495807     0.652647)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.68 using 59 PHA bins.
    # Reduced chi-squared =          1.117 for     57 degrees of freedom 
    # Null hypothesis probability =   2.530369e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.142e-09   3.964e-09
    25- 50  1.340e-08   7.335e-09
    50-150  2.740e-08   1.592e-08
    15-150  4.794e-08   2.698e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 2.87394        (-2.03299      10.0894)
    R1^2/D10^2  : 19.7745        (-19.3465      210.814)
    kT2 [keV]   : 15.3357        (-2.9974      30.8719)
    R2^2/D10^2  : 6.88596E-02    (-0.0682837   0.0310519)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.80 using 59 PHA bins.
    # Reduced chi-squared =          1.106 for     55 degrees of freedom 
    # Null hypothesis probability =   2.748519e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.195e-09   3.179e-09
    25- 50  1.405e-08   6.226e-09
    50-150  2.213e-08   1.176e-08
    15-150  4.237e-08   1.858e-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: 2.20852     ( -0.217997   0.234555 )
    Norm@50keV  : 2.14152E-03    ( -0.000351314   0.000344452 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.85 using 59 PHA bins.
    # Reduced chi-squared =         0.9623 for     57 degrees of freedom 
    # Null hypothesis probability =   5.561505e-01
     
    Photon flux (15-150 keV)    in 9.3 sec: 0.356131 ( -0.0387783  0.0387788 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.8748e-07 ( -2.58008e-08  2.66886e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.86660     ( -1.13013   0.132192 )
    Epeak [keV] : 14.4300      (   )
    Norm@50keV  : 3.50317E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.39 using 59 PHA bins.
    # Reduced chi-squared =         0.9712 for     56 degrees of freedom 
    # Null hypothesis probability =   5.361380e-01
     
    Photon flux (15-150 keV)    in 9.3 sec: 0.351637 ( -0.040119  0.040219 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.79005e-07 ( -3.16526e-08  3.27899e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.91189   ( 1.94648   1.94648 )
    beta        : -10.0000    ( 10   20 )
    Epeak [keV] : 11.0766      ( -7.07778 26.0407 )
    Norm@50keV   : 3.27528E-03    ( -0.000939823   0.0154743 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.40 using 59 PHA bins.
    # Reduced chi-squared =         0.9890 for     55 degrees of freedom 
    # Null hypothesis probability =   4.976767e-01
     
    Photon flux (15-150 keV)    in 9.3 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)  = 5.95e-08
    S(50-100 keV) = 5.15e-08
    

    T90 vs. Hardness ratio plot

    T90                                   = 7.82800000905991 sec.
    Hardness ratio (energy fluence ratio) = 0.865546
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.89451
    Count Ratio (50-100 keV) / (15-25 keV) = 0.355856
    

    Mask shadow pattern

    IMX = 1.678535513484074E-01, IMY = -1.819385232035663E-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:
    -239.248000 -1.432000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.3734 -60.6387   29.7  39.1   23.3   0.1095   0.4    1.9	Cen X-3                       
    186.7613 -62.7889    3.1  35.2   34.9   0.9350   3.7    3.1	GX 301-2                      
    264.9704 -44.5019  154.1  38.5  116.8   0.0336   0.1   10.2	4U 1735-44                    
    280.5538 -34.9891    2.3  45.5  137.2   2.9659   5.0 ------	UNKNOWN                       
    329.8789 -19.9327    2.8  59.0 -166.2   4.5616   4.2 ------	UNKNOWN                       
     85.8220 -47.7589    2.5  50.7  -44.4   4.2694   4.5 ------	UNKNOWN                       
     13.3308 -41.8079    2.8  43.4 -114.1   3.2197   4.0 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -1.432000 7.868000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.2062 -60.7490    3.7  39.1   23.1  -0.1514  -3.1    8.2	Cen X-3                       
    186.6087 -62.6739    6.2  35.3   34.9   0.0880   1.9    5.9	GX 301-2                      
    264.6636 -44.5018    9.7  38.5  116.5   0.1013   1.2    4.6	4U 1735-44                    
    252.5674 -53.5192    2.6  32.1   98.9   0.2199   4.4 ------	UNKNOWN                       
    299.8430 -26.0391    2.4  52.7  160.4   0.5969   4.7 ------	UNKNOWN                       
    237.8987 -78.6530    0.8  13.9   47.3   0.4054  14.5 ------	UNKNOWN                       
    327.1704 -20.8920    2.3  57.9 -169.1   0.7215   5.1 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    52.252600 962.834000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.6268 -40.3915    5.0  52.9   -7.7  -2.9523  -2.3   10.8	Vela X-1                      
    170.2972 -60.6246    2.6  27.0   14.9   2.1897   4.3    0.6	Cen X-3                       
    186.6806 -62.7816    1.0  21.8   29.9   5.6952  11.9    0.9	GX 301-2                      
    256.0483 -37.7072   63.7  41.7  125.1   0.3146   0.2    8.7	4U 1700-377                   
    256.4087 -36.3451    4.1  43.0  125.3   5.6784   2.8    4.8	GX 349+2                      
    264.7283 -44.4617   41.4  35.7  136.8   0.2617   0.3    0.9	4U 1735-44                    
    275.9226 -30.4950   26.3  50.9  146.5   1.1221   0.4    7.7	H1820-303                     
    263.0346 -33.9111    4.2  46.0  132.6   5.5466   2.8    5.1	GX 354-0                      
    
    Plot creation:
    Sun May 31 10:17:03 EDT 2015