batgrbproduct Analysis for Trigger=519850

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Apr 11 14:18:30 EDT 2012
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger519850/GCN5_download_cron
======================================================================

  Trigger: 00519850      Segment: 000

  BAT Trigger Time: 355773600   [s; MET]
      Trigger Stop: 355773664   [s; MET]
               UTC: 2012-04-10T17:59:51.912820    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 176.936516196583   Dec: -61.9721359286726  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    6.67
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    6.67

  Flight Position:   [ source = BAT ]
    RA: 176.936516196583   Dec: -61.9721359286726  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 176.90658368963   Dec: -62.0213418179208  [deg; J2000]  
        { 11h 47m 37.6s , -62d 01' 16.8" }
         +/- 3.75258904130132 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.7190860260347 [arcmin] (formal 1-sigma fit error)
    SNR: 4.59881050059493
 
  Angular difference between Flight and Ground position is 3.070414 arcmin
 
  Partial Coding Fraction: 0.9375    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.168619   0.242788   0.053950   0.018198
           0.046911   0.045010   0.038500   0.034007 [error]
 Peak      0.168619   0.242788   0.053950   0.018198
           0.046911   0.045010   0.038500   0.034007 [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 6.67e-08 8.24e-08 7.40e-08 1.15e-07 2.63e-07 3.38e-07   erg/cm2
              Error 2.07e-08 2.09e-08 3.45e-08 1.07e-07 8.00e-08 1.50e-07   erg/cm2
Peak flux Power-law 3.41e-02 2.33e-02 1.05e-02 6.53e-03 7.11e-02 7.44e-02   ph/cm2/s
              Error 1.08e-02 5.78e-03 4.73e-03 5.60e-03 1.70e-02 1.81e-02   ph/cm2/s
 
Fluence   Cutoff-PL 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux Cutoff-PL 3.26e-02 2.58e-02 9.30e-03 6.91e-02 6.94e-02 0.00e+00   ph/cm2/s
              Error 1.20e-02 8.56e-03 7.57e-03 1.74e-02 1.98e-02 0.00e+00   ph/cm2/s
 
Fluence        Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.156    0.486    -      -           4.39e-04 1.51e-04   44.970 57
CPL   1.251    2.367      30.1    0.0      1.63e-03 0.00e+00   44.610 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.156    0.486    -      -           4.39e-04 1.51e-04   44.970 57
CPL   1.251    2.368      30.1    0.0      1.63e-03 0.00e+00   44.610 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   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000
  • Click here for the BAT GCN circular template

    Image

    Pre-slew 15-350 keV image (Event data; bkg subtracted)

    #   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
      176.9066 -62.0213 0.0418   23.2   -6.3       0.4220     4.6  TRIG_00519850       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.000  64.000 (delta_t =  64.000 [sec])
    Background time interval of the image:
    

    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 64.000000
    

    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 64.000000
    

    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 64.000000
    

    SN=5 or 10 sec. binning (whichever binning is satisfied first)

    SN=5 or 10 sec. binning (T < 200 sec)

    The mask-weighted light curves based on cleaned DPHs

    Spectra

    Notes:

    Time averaged spectrum fit using the pre-slew DRM

    Power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.15590     ( -0.448907   0.524065 )
    Norm@50keV  : 4.39408E-04    ( -0.000153972   0.000147878 )
    ------------------------------------------------------------
    # Chi-Squared =          44.97 using 59 PHA bins.
    # Reduced chi-squared =         0.7890 for     57 degrees of freedom 
    # Null hypothesis probability =   8.756923e-01
     
    Photon flux (15-150 keV)    in 64 sec: 7.11001E-02 ( -0.0169759  0.0169773 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.62886e-07 ( -7.74214e-08  8.26208e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.25149     ( -3.88027   0.853103 )
    Epeak [keV] : 30.1062      (   )
    Norm@50keV  : 1.62970E-03    (     )
    ------------------------------------------------------------
    # Chi-Squared =          44.61 using 59 PHA bins.
    # Reduced chi-squared =         0.7967 for     56 degrees of freedom 
    # Null hypothesis probability =   8.632140e-01
     
    Photon flux (15-150 keV)    in 64 sec: 6.90604E-02 ( -0.0174188  0.0173196 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.13802   ( 1.11445   1.11445 )
    beta        : -2.70481    ( 2.69541   0.940008 )
    Epeak [keV] : 29.4627      ( -30.3716 43.7556 )
    Norm@50keV   : 1.97817E-03    ( -0.00139269   212.718 )
    ------------------------------------------------------------
    # Chi-Squared =          44.41 using 59 PHA bins.
    # Reduced chi-squared =         0.8075 for     55 degrees of freedom 
    # Null hypothesis probability =   8.456130e-01
     
    Photon flux (15-150 keV)    in 64 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]    : 8.47876  (-1.97509  2.52492)
    R^2/D10^2   : 6.33193E-02  (-0.0409542   0.117765)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    # Chi-Squared =          46.27 using 59 PHA bins.
    # Reduced chi-squared =         0.8118 for     57 degrees of freedom 
    # Null hypothesis probability =   8.442598e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.482e-08   2.462e-08
    25- 50  1.059e-07   5.286e-08
    50-150  3.354e-08   2.248e-08
    15-150  1.942e-07   9.525e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 46.5519       (-21.7461      64.3207)
    Norm        : 0.421235       (-0.15093     0.262212)
    ------------------------------------------------------------
    # Chi-Squared =          44.61 using 59 PHA bins.
    # Reduced chi-squared =         0.7826 for     57 degrees of freedom 
    # Null hypothesis probability =   8.836639e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.477e-08   2.516e-08
    25- 50  9.062e-08   3.532e-08
    50-150  8.211e-08   6.078e-08
    15-150  2.375e-07   1.054e-07
    
    Double BB
    ------------------------------------------------------------
    # Chi-Squared =          44.77 using 59 PHA bins.
    # Chi-Squared =          44.48 using 59 PHA bins.
    # Chi-Squared =          44.44 using 59 PHA bins.
    # Chi-Squared =          44.43 using 59 PHA bins.
    # Reduced chi-squared =         0.8141 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8088 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8080 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8078 for     55 degrees of freedom 
    # Null hypothesis probability =   8.360685e-01
    # Null hypothesis probability =   8.438456e-01
    # Null hypothesis probability =   8.448982e-01
    # Null hypothesis probability =   8.452480e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.243e-08   3.086e-08
    25- 50  9.696e-08   5.843e-08
    50-150  5.038e-08   3.571e-08
    15-150  2.098e-07   1.179e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.15590     ( -0.448907   0.524065 )
    Norm@50keV  : 4.39408E-04    ( -0.000153972   0.000147878 )
    ------------------------------------------------------------
    # Chi-Squared =          44.97 using 59 PHA bins.
    # Reduced chi-squared =         0.7890 for     57 degrees of freedom 
    # Null hypothesis probability =   8.756923e-01
     
    Photon flux (15-150 keV)    in 64 sec: 7.11001E-02 ( -0.0169759  0.0169773 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.62886e-07 ( -7.74214e-08  8.26208e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.25149     ( -3.88027   0.855236 )
    Epeak [keV] : 30.1062      (   )
    Norm@50keV  : 1.62970E-03    (     )
    ------------------------------------------------------------
    # Chi-Squared =          44.61 using 59 PHA bins.
    # Reduced chi-squared =         0.7967 for     56 degrees of freedom 
    # Null hypothesis probability =   8.632140e-01
     
    Photon flux (15-150 keV)    in 64 sec: 6.90604E-02 ( -0.0174188  0.017319 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.13802   ( 1.11445   1.11445 )
    beta        : -2.70481    ( 2.69541   0.940008 )
    Epeak [keV] : 29.4627      ( -30.3716 43.7549 )
    Norm@50keV   : 1.97817E-03    ( -0.00139269   212.718 )
    ------------------------------------------------------------
    # Chi-Squared =          44.41 using 59 PHA bins.
    # Reduced chi-squared =         0.8075 for     55 degrees of freedom 
    # Null hypothesis probability =   8.456130e-01
     
    Photon flux (15-150 keV)    in 64 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]    : 8.47876  (-1.97509  2.52492)
    R^2/D10^2   : 6.33193E-02  (-0.0409542   0.117765)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    # Chi-Squared =          46.27 using 59 PHA bins.
    # Reduced chi-squared =         0.8118 for     57 degrees of freedom 
    # Null hypothesis probability =   8.442598e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.482e-08   2.724e-08
    25- 50  1.059e-07   4.813e-08
    50-150  3.354e-08   2.335e-08
    15-150  1.942e-07   9.717e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 46.5519       (-21.7461      64.3207)
    Norm        : 0.421235       (-0.15093     0.262212)
    ------------------------------------------------------------
    # Chi-Squared =          44.61 using 59 PHA bins.
    # Reduced chi-squared =         0.7826 for     57 degrees of freedom 
    # Null hypothesis probability =   8.836639e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.477e-08   2.352e-08
    25- 50  9.062e-08   3.778e-08
    50-150  8.211e-08   5.647e-08
    15-150  2.375e-07   1.072e-07
    
    Double BB
    ------------------------------------------------------------
    # Chi-Squared =          44.77 using 59 PHA bins.
    # Chi-Squared =          44.48 using 59 PHA bins.
    # Chi-Squared =          44.44 using 59 PHA bins.
    # Chi-Squared =          44.43 using 59 PHA bins.
    # Reduced chi-squared =         0.8141 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8088 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8080 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8078 for     55 degrees of freedom 
    # Null hypothesis probability =   8.360685e-01
    # Null hypothesis probability =   8.438456e-01
    # Null hypothesis probability =   8.448982e-01
    # Null hypothesis probability =   8.452480e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.243e-08   2.759e-08
    25- 50  9.696e-08   5.718e-08
    50-150  5.038e-08   3.472e-08
    15-150  2.098e-07   1.165e-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: 2.15590     ( -0.448907   0.524065 )
    Norm@50keV  : 4.39408E-04    ( -0.000153972   0.000147878 )
    ------------------------------------------------------------
    # Chi-Squared =          44.97 using 59 PHA bins.
    # Reduced chi-squared =         0.7890 for     57 degrees of freedom 
    # Null hypothesis probability =   8.756923e-01
     
    Photon flux (15-150 keV)    in 64 sec: 7.11001E-02 ( -0.0169759  0.0169773 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.62886e-07 ( -7.74214e-08  8.26208e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.25149     ( -3.88027   0.853103 )
    Epeak [keV] : 30.1062      (   )
    Norm@50keV  : 1.62970E-03    (     )
    ------------------------------------------------------------
    # Chi-Squared =          44.61 using 59 PHA bins.
    # Reduced chi-squared =         0.7967 for     56 degrees of freedom 
    # Null hypothesis probability =   8.632140e-01
     
    Photon flux (15-150 keV)    in 64 sec: 6.90604E-02 ( -0.0174188  0.017319 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.13802   ( 1.11445   1.11445 )
    beta        : -2.70481    ( 2.69541   0.940008 )
    Epeak [keV] : 29.4627      ( -30.3716 43.7551 )
    Norm@50keV   : 1.97817E-03    ( -0.00139269   212.718 )
    ------------------------------------------------------------
    # Chi-Squared =          44.41 using 59 PHA bins.
    # Reduced chi-squared =         0.8075 for     55 degrees of freedom 
    # Null hypothesis probability =   8.456130e-01
     
    Photon flux (15-150 keV)    in 64 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)  = 8.24422e-08
    S(50-100 keV) = 7.39974e-08
    

    T90 vs. Hardness ratio plot

    T90                                   = 64 sec.
    Hardness ratio (energy fluence ratio) = 0.897567
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.43986
    Count Ratio (50-100 keV) / (15-25 keV) = 0.319952
    

    Mask shadow pattern

    IMX = 4.267302322829064E-01, IMY = 4.732413308434173E-02
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    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:
     
    

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

    Time interval of the image:
    0.000000 64.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5872 -40.5335    3.2  55.7   -0.4   1.4750   3.6    3.0	Vela X-1                      
    170.2174 -60.6154    3.6  26.7   -5.2   0.2976   3.2    2.9	Cen X-3                       
    186.6638 -62.7459   11.0  18.7   -6.6  -0.0915  -1.1    1.5	GX 301-2                      
    244.9651 -15.6552    1.0  45.4  141.4   3.6912  11.2    1.2	Sco X-1                       
    255.9828 -37.8369    1.0  29.0  171.8   1.1072  11.3    0.5	4U 1700-377                   
    256.4163 -36.6093   15.0  30.3  171.0   0.0786   0.8   11.2	GX 349+2                      
    263.1805 -24.6762    4.8  43.5  169.0  -0.3999  -2.4   10.2	GX 1+4                        
    264.7181 -44.2632    6.6  28.4 -169.1   0.1606   1.7   11.3	4U 1735-44                    
    270.4207 -25.0842   11.0  46.4  177.3  -0.1933  -1.1    7.4	GX 5-1                        
    270.1752 -25.7291    3.4  45.7  177.5   0.6234   3.4    6.9	GRS 1758-258                  
    275.7636 -30.4313   88.9  44.6 -173.0   0.0201   0.1    9.2	H1820-303                     
    285.1275 -24.9594   42.7  53.8 -168.2   0.0729   0.3    5.5	HT1900.1-2455                 
    262.9791 -33.8702   14.1  35.5  176.3   0.0932   0.8    2.2	GX 354-0                      
    176.9068 -62.0212    2.5  23.2   -6.3   0.4213   4.6 ------	UNKNOWN                       
    288.1959 -26.3079    2.4  54.3 -164.4   1.2741   4.8 ------	UNKNOWN                       
    358.1324 -77.6599    2.7  41.0  -80.8   1.6252   4.3 ------	UNKNOWN                       
    335.3598 -72.5737    2.8  40.9  -92.5   1.6556   4.0 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    118.900580 893.840000
    895.000000 963.031600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5373 -40.5482    0.3  32.7   -5.7  29.7727  42.7    0.6	Vela X-1                      
    170.3678 -60.6354    1.4   3.4   -7.2   4.6687   8.6    1.7	Cen X-3                       
    186.9858 -62.7928    6.5   4.7  167.3   1.0340   1.8    9.1	GX 301-2                      
    255.9203 -37.9096    3.0  52.2  164.2   9.3647   3.8    5.0	4U 1700-377                   
    256.3487 -36.4444    5.8  53.6  163.5   5.7793   2.0    4.4	GX 349+2                      
    264.7538 -44.5121    7.1  50.8  176.0   2.9789   1.6    3.8	4U 1735-44                    
    176.8595 -61.9619    2.4   0.0  -21.1   2.8152   4.8 ------	UNKNOWN                       
    136.5169 -36.7261    2.8  35.4   -0.8   3.0520   4.1 ------	UNKNOWN                       
    121.9351 -20.8814    2.7  55.5   -5.4   8.0407   4.4 ------	UNKNOWN                       
    117.9092 -87.4381    3.0  26.8 -112.3   3.0833   3.8 ------	UNKNOWN                       
    
    Plot creation:
    Wed Apr 11 14:36:05 EDT 2012