batgrbproduct Analysis for Trigger=449074

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 13 23:49:40 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger449074
======================================================================

  Trigger: 00449074      Segment: 000

  BAT Trigger Time: 321645344   [s; MET]
      Trigger Stop: 321645408   [s; MET]
               UTC: 2011-03-12T17:55:37.252060    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 157.478927330622   Dec: -5.25539715048247  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.46
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    8.46

  Flight Position:   [ source = BAT ]
    RA: 157.478927330622   Dec: -5.25539715048247  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 157.501452086839   Dec: -5.24851311355309  [deg; J2000]  
        { 10h 30m 00.3s , -05d 14' 54.6" }
         +/- 2.17469144269274 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.942252018649503 [arcmin] (formal 1-sigma fit error)
    SNR: 10.0258624842532
 
  Angular difference between Flight and Ground position is 1.407769 arcmin
 
  Partial Coding Fraction: 0.265625    [ including projection effects ]

  Duration
     T90: 35.1360000371933 +/- 7.78107652907125
        Measured from: 26.7760000228882
                   to: 61.9120000600815     [s; relative to TRIGTIME]
     T50: 14.6720000505447 +/- 4.83978840572785
        Measured from: 35.9599999785423
                   to: 50.6320000290871     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 44.2039999961853     
                   to: 45.2039999961853     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 24.727999985218     
                   to: 64.7760000228882     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.736212   0.633860   0.215651   0.070906
           0.068068   0.070712   0.065264   0.067413 [error]
 Peak      0.058484   0.036804   0.040830   0.016228
           0.011313   0.011064   0.009979   0.010671 [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 2.37e-07 2.63e-07 2.09e-07 2.75e-07 8.11e-07 9.85e-07   erg/cm2
              Error 3.61e-08 3.55e-08 5.57e-08 1.38e-07 1.28e-07 2.14e-07   erg/cm2
Peak flux Power-law 4.80e-01 3.94e-01 2.19e-01 1.79e-01 1.17e+00 1.27e+00   ph/cm2/s
              Error 1.80e-01 9.20e-02 8.57e-02 1.44e-01 2.75e-01 3.02e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.31e-07 2.86e-07 1.77e-07 5.70e-08 7.37e-07 7.52e-07   erg/cm2
              Error 3.83e-08 4.72e-08 7.60e-08 2.14e-07 1.48e-07 2.63e-07   erg/cm2
Peak flux Cutoff-PL 4.95e-01 3.94e-01 2.11e-01 1.64e-01 1.17e+00 1.27e+00   ph/cm2/s
              Error 1.82e-01 9.43e-02 8.61e-02 1.78e-01 2.76e-01 3.12e-01   ph/cm2/s
 
Fluence        Band 2.40e-07 2.72e-07 1.86e-07 2.01e-07 7.81e-07 9.01e-07   erg/cm2
              Error 3.93e-08 4.04e-08 -------- -------- -------- --------   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    2.333    0.260    -      -           2.11e-03 4.09e-04   47.950 57
CPL   1.526    1.112      20.6    0.0      6.94e-03 0.00e+00   46.450 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.849    0.498    -      -           8.34e-03 2.43e-03   59.860 57
CPL   2.339    0.000     126.6    0.0      4.70e-03 0.00e+00   59.510 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   40.048   24.728   64.776
T90    35.136   26.776   61.912
T50    14.672   35.960   50.632
Peak    1.000   44.204   45.204
  • 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
      157.5015    -5.2485   0.0191    33.0788    81.3812         1.6105041     10.026 TRIG_00449074                 
     
    Foreground time interval of the image:
     24.728  64.776 (delta_t =  40.048 [sec])
    Background time interval of the image:
    -133.499  24.728 (delta_t = 158.227 [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

    8 ms binning

    From T100_start-3 s to T100_start+3 s

    2 ms binning

    From T100_start-1 s to T100_start+1 s

    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)

    The mask-weighted light curves based on cleaned DPHs

    Spectral Evolution

    Spectra

    Notes:

    Time averaged spectrum fit using the average DRM

    Power-law model
    Time interval is from   24.728 sec. to   64.776 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.33265     ( -0.248326   0.271473 )
    Norm@50keV  : 2.10710E-03    ( -0.00041114   0.000406723 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.95 using 59 PHA bins.
    # Reduced chi-squared =         0.8413 for     57 degrees of freedom 
    # Null hypothesis probability =   7.977318e-01
     
    Photon flux (15-150 keV)    in 40.05 sec: 0.375042 ( -0.0451939  0.0452026 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.11485e-07 ( -1.24803e-07  1.30531e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   24.728 sec. to   64.776 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.52556     ( -1.45708   0.767341 )
    Epeak [keV] : 20.5969      (   )
    Norm@50keV  : 6.94226E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.45 using 59 PHA bins.
    # Reduced chi-squared =         0.8295 for     56 degrees of freedom 
    # Null hypothesis probability =   8.146238e-01
     
    Photon flux (15-150 keV)    in 40.05 sec: 0.365353 ( -0.046155  0.046714 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.3656e-07 ( -1.32638e-07  1.63096e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   24.728 sec. to   64.776 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.93833   ( -4.93833   -4.93833 )
    beta        : -2.54210    ( -0.482361   0.323607 )
    Epeak [keV] : 20.6095      ( -20.6095 3.49906 )
    Norm@50keV   : 1542.71    ( -184.364   4.30832e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.40 using 59 PHA bins.
    # Reduced chi-squared =         0.8254 for     55 degrees of freedom 
    # Null hypothesis probability =   8.187004e-01
     
    Photon flux (15-150 keV)    in 40.05 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.80787e-07 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 7.51533  (-1.04471  1.19605)
    R^2/D10^2   : 0.524750  (-0.235995   0.445509)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.01 using 59 PHA bins.
    # Reduced chi-squared =         0.9827 for     57 degrees of freedom 
    # Null hypothesis probability =   5.120820e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.041e-07   4.363e-08
    25- 50  3.195e-07   5.767e-08
    50-150  6.800e-08   2.782e-08
    15-150  5.916e-07   1.023e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 36.8494       (-10.0451      15.7084)
    Norm        : 2.56499       (-0.573534     0.791073)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.50 using 59 PHA bins.
    # Reduced chi-squared =         0.8159 for     57 degrees of freedom 
    # Null hypothesis probability =   8.382534e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.291e-07   3.384e-08
    25- 50  2.905e-07   4.888e-08
    50-150  2.049e-07   9.205e-08
    15-150  7.245e-07   1.284e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 4.47432        (-1.51313      1.85842)
    R1^2/D10^2  : 3.00138        (-2.11237      4.35199)
    kT2 [keV]   : 13.0339        (-3.89681      11.6978)
    R2^2/D10^2  : 3.75970E-02    (-0.0353397   0.144614)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.77 using 59 PHA bins.
    # Reduced chi-squared =         0.8322 for     55 degrees of freedom 
    # Null hypothesis probability =   8.079316e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.377e-07   1.277e-07
    25- 50  2.775e-07   1.425e-07
    50-150  2.036e-07   1.244e-07
    15-150  7.188e-07   3.735e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   44.204 sec. to   45.204 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.84912     ( -0.468376   0.52711 )
    Norm@50keV  : 8.34142E-03    ( -0.00253136   0.00232784 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.86 using 59 PHA bins.
    # Reduced chi-squared =          1.050 for     57 degrees of freedom 
    # Null hypothesis probability =   3.724263e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.17205 ( -0.275011  0.275319 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.6698e-08 ( -2.18505e-08  2.27733e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   44.204 sec. to   45.204 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.33902     (     )
    Epeak [keV] : 126.578      (   )
    Norm@50keV  : 4.69820E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.51 using 59 PHA bins.
    # Reduced chi-squared =          1.063 for     56 degrees of freedom 
    # Null hypothesis probability =   3.491149e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.17396 ( -0.27843  0.27397 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.62086e-08 ( -2.13836e-08  2.29694e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   44.204 sec. to   45.204 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.50891   ( 1.50908   1.50908 )
    beta        : -1.84929    ( 1.84925   0.468858 )
    Epeak [keV] : 22.9649      ( -22.8325 -22.8325 )
    Norm@50keV   : 1.73098E-02    ( -0.0110538   17.1347 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.86 using 59 PHA bins.
    # Reduced chi-squared =          1.088 for     55 degrees of freedom 
    # Null hypothesis probability =   3.038996e-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]    : 13.6370  (-4.41006  5.67402)
    R^2/D10^2   : 0.166609  (-0.116857   0.511535)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.54 using 59 PHA bins.
    # Reduced chi-squared =          1.202 for     57 degrees of freedom 
    # Null hypothesis probability =   1.408269e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.559e-09   3.935e-09
    25- 50  2.375e-08   1.381e-08
    50-150  2.869e-08   1.739e-08
    15-150  5.900e-08   2.681e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 105.877       (-62.8409      -106.694)
    Norm        : 5.03696       (-1.41468     2.34347)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.88 using 59 PHA bins.
    # Reduced chi-squared =          1.068 for     57 degrees of freedom 
    # Null hypothesis probability =   3.379806e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.316e-08   7.664e-09
    25- 50  2.302e-08   1.377e-08
    50-150  3.850e-08   2.832e-08
    15-150  7.468e-08   4.856e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.47446        (-1.26149      1.86623)
    R1^2/D10^2  : 31.8145        (-27.7991      413.854)
    kT2 [keV]   : 19.8279        (-6.17246      13.251)
    R2^2/D10^2  : 3.81990E-02    (-0.0311846   0.104793)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.12 using 59 PHA bins.
    # Reduced chi-squared =          1.039 for     55 degrees of freedom 
    # Null hypothesis probability =   3.962244e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.691e-08   9.395e-09
    25- 50  1.770e-08   9.465e-09
    50-150  4.189e-08   2.687e-08
    15-150  7.651e-08   4.238e-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: 2.33265     ( -0.248326   0.271473 )
    Norm@50keV  : 2.10710E-03    ( -0.00041114   0.000406723 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.95 using 59 PHA bins.
    # Reduced chi-squared =         0.8413 for     57 degrees of freedom 
    # Null hypothesis probability =   7.977318e-01
     
    Photon flux (15-150 keV)    in 40.05 sec: 0.375042 ( -0.0451939  0.0452026 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.11485e-07 ( -1.24803e-07  1.30531e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.52556     ( -1.45708   0.767341 )
    Epeak [keV] : 20.5969      (   )
    Norm@50keV  : 6.94226E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.45 using 59 PHA bins.
    # Reduced chi-squared =         0.8295 for     56 degrees of freedom 
    # Null hypothesis probability =   8.146238e-01
     
    Photon flux (15-150 keV)    in 40.05 sec: 0.365353 ( -0.046155  0.046714 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.3656e-07 ( -1.32638e-07  1.63096e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.93833   ( -4.93833   -4.93833 )
    beta        : -2.54210    ( -0.482361   0.323607 )
    Epeak [keV] : 20.6095      ( -20.6095 3.49906 )
    Norm@50keV   : 1542.71    ( -184.364   4.30832e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.40 using 59 PHA bins.
    # Reduced chi-squared =         0.8254 for     55 degrees of freedom 
    # Null hypothesis probability =   8.187004e-01
     
    Photon flux (15-150 keV)    in 40.05 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.80787e-07 ( 0  0 ) ergs/cm2
     
    

    S(25-50 keV) vs. S(50-100 keV) plot

    S(25-50 keV)  = 2.63e-07
    S(50-100 keV) = 2.09e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 35.1360000371933 sec.
    Hardness ratio (energy fluence ratio) = 0.794677
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.860975
    Count Ratio (50-100 keV) / (15-25 keV) = 0.29292
    

    Mask shadow pattern

    IMX = 9.761395287750096E-02, IMY = -6.440098545552502E-01
    

    TIME vs. PHA plot around the trigger time

    TIME vs. DetID plot around the trigger time

    100 us light curve (15-350 keV)

    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:
    -133.499410 24.728000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5276 -40.5328    1.3  17.0  -23.1   1.4418   8.7    1.3	Vela X-1                      
    170.1533 -60.6159    5.2  23.7 -114.4   0.4225   2.2    4.8	Cen X-3                       
    186.4957 -62.7335    5.1  30.1 -125.2   0.5056   2.3    4.9	GX 301-2                      
    189.9443  -7.6090    2.6  42.5  133.4   2.3863   4.4 ------	UNKNOWN                       
    132.1855 -18.8571    2.4  29.3   25.7   0.9258   4.9 ------	UNKNOWN                       
    209.2856 -31.3967    2.4  42.6  178.2   1.3703   4.8 ------	UNKNOWN                       
    165.2340 -41.9674    2.4   7.0 -155.0   0.7211   4.8 ------	UNKNOWN                       
    116.8714 -28.4762    2.7  34.9   -4.8   0.8645   4.2 ------	UNKNOWN                       
    105.9640 -26.0590    2.6  44.6   -8.6   1.1784   4.5 ------	UNKNOWN                       
    138.6884 -61.7681    2.8  26.1  -78.6   0.8748   4.2 ------	UNKNOWN                       
    234.4169 -40.6506    2.9  57.5 -160.1   3.3889   3.9 ------	UNKNOWN                       
     87.9354 -26.6532    2.6  58.4  -19.5   4.0303   4.5 ------	UNKNOWN                       
     85.0375 -30.0422    2.9  58.9  -24.4   4.9576   4.0 ------	UNKNOWN                       
    

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

    Time interval of the image:
    24.728000 64.776000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.4650 -40.4428    3.2  17.0  -22.8  -0.2734  -3.6    7.3	Vela X-1                      
    170.1703 -60.6978    8.7  23.8 -114.4  -0.1149  -1.3    6.2	Cen X-3                       
    186.3478 -62.7582   10.7  30.0 -125.1  -0.1101  -1.1    8.5	GX 301-2                      
    157.5015  -5.2485    1.1  33.1   81.4   1.6101  10.0 ------	UNKNOWN                       
    174.8128 -20.7926    2.0  23.1  126.7   0.5455   5.8 ------	UNKNOWN                       
    158.8245 -63.2338    2.1  24.9 -100.3   0.5138   5.4 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    146.700650 963.160000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5021 -40.5318    1.1  40.4 -124.5   9.3784  10.1    1.8	Vela X-1                      
    170.2574 -60.6358   17.7  56.2 -158.0  -1.4477  -0.6    1.9	Cen X-3                       
    155.5829 -35.6594    2.5  30.5 -147.5   2.3892   4.7 ------	UNKNOWN                       
    148.6460 -60.0888    4.0  55.3 -145.2   9.2846   2.9 ------	UNKNOWN                       
    
    Plot creation:
    Sat May 30 22:47:55 EDT 2015