batgrbproduct Analysis for Trigger=160672

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jan 22 19:48:06 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger160672
======================================================================

  Trigger: 00160672      Segment: 000

  BAT Trigger Time: 151630313.472   [s; MET]
      Trigger Stop: 151630314.496   [s; MET]
               UTC: 2005-10-21T23:31:53.676000    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 126.037109457011   Dec: -45.5194340356682  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.77
     Image Trigger?:     NO
     Rate S/N Ratio:     12.8062484748657  [ if not an image trigger ]
     Image S/N Ratio:    6.77

  Flight Position:   [ source = BAT ]
    RA: 126.037109457011   Dec: -45.5194340356682  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 126.064511217234   Dec: -45.5333813978045  [deg; J2000]  
        { 08h 24m 15.5s , -45d 32' 00.2" }
         +/- 1.30959980926905 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.389546161074393 [arcmin] (formal 1-sigma fit error)
    SNR: 20.6908112225524
 
  Angular difference between Flight and Ground position is 1.423732 arcmin
 
  Partial Coding Fraction: 0.8828125    [ including projection effects ]

  Duration
     T90: 46.5119999647141 +/- 11.4295224811572
        Measured from: -3.13600000739098
                   to: 43.3759999573231     [s; relative to TRIGTIME]
     T50: 19.2319999933243 +/- 5.62990868988388
        Measured from: 0.84799998998642
                   to: 20.0799999833107     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.668000012636185     
                   to: 0.331999987363815     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -4.64000001549721     
                   to: 54.6879999935627     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.382033   0.543528   0.432633   0.081854
           0.038033   0.039766   0.035643   0.032876 [error]
 Peak      0.027368   0.035387   0.024993   0.007713
           0.005198   0.005754   0.005182   0.004676 [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 1.26e-07 2.26e-07 3.10e-07 8.80e-07 8.94e-07 1.54e-06   erg/cm2
              Error 1.64e-08 1.85e-08 3.43e-08 2.03e-07 8.26e-08 2.33e-07   erg/cm2
Peak flux Power-law 2.27e-01 2.46e-01 1.89e-01 2.39e-01 7.53e-01 9.02e-01   ph/cm2/s
              Error 7.17e-02 4.72e-02 4.28e-02 1.14e-01 1.34e-01 1.67e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.07e-07 2.51e-07 3.21e-07 2.28e-07 8.19e-07 9.07e-07   erg/cm2
              Error 1.99e-08 2.41e-08 3.94e-08 1.76e-07 9.03e-08 1.95e-07   erg/cm2
Peak flux Cutoff-PL 2.30e-01 2.47e-01 1.88e-01 2.33e-01 7.54e-01 8.99e-01   ph/cm2/s
              Error 6.22e-02 5.06e-02 4.43e-02 1.57e-01 1.34e-01 1.97e-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    1.544    0.138    -      -           1.60e-03 1.35e-04   65.550 57
CPL   0.482    0.677      68.7   21.8      5.66e-03 5.19e-03   56.440 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.378    0.320    -      -           6.21e-03 1.12e-03   68.030 57
CPL   1.387    0.575    9999.4    0.0      6.19e-03 1.30e-02   68.040 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: 12.864000 sec.
T50 in the 50-300 keV band: 6.528000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   59.328   -4.640   54.688
T90    46.512   -3.136   43.376
T50    19.232    0.848   20.080
Peak    1.000   -0.668    0.332
  • 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
      126.0645   -45.5334   0.0093    27.3376   -18.7203         0.9865420     20.691 TRIG_00160672                 
     
    Foreground time interval of the image:
     -4.640  14.429 (delta_t =  19.069 [sec])
    Background time interval of the image:
    -299.472  -4.640 (delta_t = 294.832 [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   -4.640 sec. to   54.688 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.54427     ( -0.136933   0.138839 )
    Norm@50keV  : 1.59861E-03    ( -0.000135145   0.00013429 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.55 using 59 PHA bins.
    # Reduced chi-squared =          1.150 for     57 degrees of freedom 
    # Null hypothesis probability =   2.043782e-01
     
    Photon flux (15-150 keV)    in 59.33 sec: 0.202041 ( -0.0163457  0.0163589 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.93617e-07 ( -8.21762e-08  8.31018e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -4.640 sec. to   54.688 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.482353     ( -0.727364   0.627235 )
    Epeak [keV] : 68.6830      ( -11.7264 31.8206 )
    Norm@50keV  : 5.65973E-03    ( -0.00292854   0.00745013 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.44 using 59 PHA bins.
    # Reduced chi-squared =          1.008 for     56 degrees of freedom 
    # Null hypothesis probability =   4.585278e-01
     
    Photon flux (15-150 keV)    in 59.33 sec: 0.192492 ( -0.01725  0.017239 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.19424e-07 ( -8.86568e-08  9.18962e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -4.640 sec. to   54.688 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.482277   ( -0.527892   0.647923 )
    beta        : -10.00000    ( 10   20 )
    Epeak [keV] : 68.6688      ( -10.1962 31.8202 )
    Norm@50keV   : 5.66048E-03    ( -0.0029301   0.00747457 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.44 using 59 PHA bins.
    # Reduced chi-squared =          1.026 for     55 degrees of freedom 
    # Null hypothesis probability =   4.210157e-01
     
    Photon flux (15-150 keV)    in 59.33 sec: 0.192489 (    ) 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]    : 14.4113  (-1.26589  1.39932)
    R^2/D10^2   : 2.67462E-02  (-0.00750612   0.0103274)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          71.46 using 59 PHA bins.
    # Reduced chi-squared =          1.254 for     57 degrees of freedom 
    # Null hypothesis probability =   9.417439e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.940e-08   1.023e-08
    25- 50  2.655e-07   2.978e-08
    50-150  3.684e-07   6.247e-08
    15-150  7.033e-07   7.327e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 179.131       (-58.8038      -181.331)
    Norm        : 0.828841       (-0.0693593     0.0742044)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.81 using 59 PHA bins.
    # Reduced chi-squared =          1.067 for     57 degrees of freedom 
    # Null hypothesis probability =   3.403406e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.241e-07   4.401e-08
    25- 50  2.356e-07   1.086e-07
    50-150  4.980e-07   2.691e-07
    15-150  8.577e-07   4.536e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.01459        (-1.66561      2.22618)
    R1^2/D10^2  : 0.488726        (-0.356817      2.32697)
    kT2 [keV]   : 17.8063        (-2.349      3.57994)
    R2^2/D10^2  : 1.10965E-02    (-0.00586235   0.00742702)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.00 using 59 PHA bins.
    # Reduced chi-squared =         0.9819 for     55 degrees of freedom 
    # Null hypothesis probability =   5.127248e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.133e-07   5.208e-08
    25- 50  2.393e-07   7.063e-08
    50-150  4.434e-07   1.315e-07
    15-150  7.960e-07   2.038e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   -0.668 sec. to    0.332 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.37775     ( -0.319025   0.32154 )
    Norm@50keV  : 6.21292E-03    ( -0.00112154   0.00111115 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.03 using 59 PHA bins.
    # Reduced chi-squared =          1.193 for     57 degrees of freedom 
    # Null hypothesis probability =   1.504498e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.752884 ( -0.134003  0.13422 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.03131e-08 ( -1.22026e-08  1.24182e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.668 sec. to    0.332 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.38734     ( -0.8341   0.316006 )
    Epeak [keV] : 9999.36      ( -9999.36 -9999.36 )
    Norm@50keV  : 6.19495E-03    ( -0.00111644   0.0249559 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.04 using 59 PHA bins.
    # Reduced chi-squared =          1.215 for     56 degrees of freedom 
    # Null hypothesis probability =   1.298937e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.753644 ( -0.135142  0.133236 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.01473e-08 ( -1.28464e-08  1.24441e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.668 sec. to    0.332 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.11418   ( 1.11545   5.35453 )
    beta        : -1.48320    ( 1.47498   0.416464 )
    Epeak [keV] : 150.180      ( -165.987 -165.987 )
    Norm@50keV   : 8.58609E-03    ( -0.00309819   0 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.04 using 59 PHA bins.
    # Reduced chi-squared =          1.237 for     55 degrees of freedom 
    # Null hypothesis probability =   1.114530e-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]    : 15.1931  (-2.88619  3.93536)
    R^2/D10^2   : 8.37136E-02  (-0.046086   0.0899309)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.48 using 59 PHA bins.
    # Reduced chi-squared =          1.307 for     57 degrees of freedom 
    # Null hypothesis probability =   5.992593e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.037e-09   1.335e-09
    25- 50  1.623e-08   5.143e-09
    50-150  2.564e-08   9.670e-09
    15-150  4.590e-08   1.259e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.363       (-85.0243      -199.363)
    Norm        : 3.08844       (-0.54544     0.545435)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.16 using 59 PHA bins.
    # Reduced chi-squared =          1.213 for     57 degrees of freedom 
    # Null hypothesis probability =   1.295597e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.691e-09   4.474e-09
    25- 50  1.479e-08   8.525e-09
    50-150  3.244e-08   1.831e-08
    15-150  5.493e-08   3.173e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 2.24426        (-1.14382      2.77782)
    R1^2/D10^2  : 148.628        (-153.334      133562)
    kT2 [keV]   : 17.2966        (-3.67084      5.96814)
    R2^2/D10^2  : 5.07020E-02    (-0.032576   0.057556)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.18 using 59 PHA bins.
    # Reduced chi-squared =          1.240 for     55 degrees of freedom 
    # Null hypothesis probability =   1.092067e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.660e-09   2.960e-09
    25- 50  1.396e-08   6.226e-09
    50-150  2.961e-08   1.257e-08
    15-150  5.023e-08   2.071e-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: 1.27714     ( -0.127549   0.126414 )
    Norm@50keV  : 3.40351E-03    ( -0.000249488   0.000249356 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.06 using 59 PHA bins.
    # Reduced chi-squared =         0.9309 for     57 degrees of freedom 
    # Null hypothesis probability =   6.235303e-01
     
    Photon flux (15-150 keV)    in 19.07 sec: 0.404385 ( -0.0303744  0.0304198 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.45029e-07 ( -5.25855e-08  5.29286e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.864713     ( -0.57281   0.466124 )
    Epeak [keV] : 141.792      ( -54.8509 -141.8 )
    Norm@50keV  : 5.44031E-03    ( -0.00215479   0.00476646 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.14 using 59 PHA bins.
    # Reduced chi-squared =         0.9133 for     56 degrees of freedom 
    # Null hypothesis probability =   6.589128e-01
     
    Photon flux (15-150 keV)    in 19.07 sec: 0.397232 ( -0.031797  0.031671 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.25122e-07 ( -5.90197e-08  5.86479e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.96879   ( -0.083685   -4.96879 )
    beta        : -1.38944    ( -0.153648   0.148982 )
    Epeak [keV] : 27.2833      ( -5.24916 4.22858 )
    Norm@50keV   : 170.884    ( -12.4324   479.13 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.87 using 59 PHA bins.
    # Reduced chi-squared =         0.8704 for     55 degrees of freedom 
    # Null hypothesis probability =   7.412524e-01
     
    Photon flux (15-150 keV)    in 19.07 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)  = 2.26e-07
    S(50-100 keV) = 3.10e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 46.5119999647141 sec.
    Hardness ratio (energy fluence ratio) = 1.37168
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.42273
    Count Ratio (50-100 keV) / (15-25 keV) = 1.13245
    

    Mask shadow pattern

    IMX = 4.896213709906972E-01, IMY = 1.659209379960770E-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:
    -299.472000 -4.640000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5655 -40.5436    4.9  24.8  -37.4   0.4747   2.4    1.8	Vela X-1                      
    108.4566 -75.3176    2.6  57.5   -9.5   4.6938   4.4 ------	UNKNOWN                       
    146.2396  10.1688    3.1  36.7 -152.9   0.9414   3.8 ------	UNKNOWN                       
    131.7479 -74.5552    3.5  56.4  -16.6   2.6311   3.3 ------	UNKNOWN                       
    137.4659 -72.2597    3.7  54.6  -19.2   2.0894   3.1 ------	UNKNOWN                       
    148.9214 -31.8150    2.6  27.1  -68.9   1.0282   4.4 ------	UNKNOWN                       
    152.7146  17.8181    3.8  46.6 -153.0   1.2187   3.0 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -4.640000 14.428600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.6077 -40.6528    6.6  24.9  -37.3  -0.0806  -1.8    6.9	Vela X-1                      
    139.6703  24.8137    2.2  46.2 -172.4   0.4223   5.3 ------	UNKNOWN                       
    126.0645 -45.5334    0.6  27.3  -18.7   0.9865  20.7 ------	UNKNOWN                       
    138.9544 -51.0982    2.7  35.2  -31.4   0.2352   4.4 ------	UNKNOWN                       
    129.0326 -75.3728    2.2  57.1  -15.6   1.1499   5.2 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    64.428610 302.541000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.3137 -40.4195    0.0   8.5 -124.8  -0.0756  -0.5   12.7	Vela X-1                      
    169.9424 -60.5907    0.0  29.6  -44.7  -0.1672  -0.8   11.2	Cen X-3                       
    186.5604 -62.8530    8.4  37.6  -41.8   0.3526   1.4    5.6	GX 301-2                      
    115.5094   5.7750    2.7  52.2  165.6   2.6459   4.3 ------	UNKNOWN                       
    196.5880 -78.8444    2.3  41.8  -17.0   1.2467   5.1 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 15:18:41 EDT 2015