batgrbproduct Analysis for Trigger=213630

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jun 24 17:35:53 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger213630
======================================================================

  Trigger: 00213630      Segment: 000

  BAT Trigger Time: 171224145.856   [s; MET]
      Trigger Stop: 171224148.928   [s; MET]
               UTC: 2006-06-05T18:15:44.618460    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 322.143864682533   Dec: -6.06022138273773  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.96
     Image Trigger?:     NO
     Rate S/N Ratio:     15.9059737205869  [ if not an image trigger ]
     Image S/N Ratio:    7.96

  Flight Position:   [ source = BAT ]
    RA: 322.143864682533   Dec: -6.06022138273773  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 322.129781510569   Dec: -6.06846647403918  [deg; J2000]  
        { 21h 28m 31.1s , -06d 04' 06.5" }
         +/- 1.85697527596307 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.794150001170612 [arcmin] (formal 1-sigma fit error)
    SNR: 12.5634708072738
 
  Angular difference between Flight and Ground position is 0.975076 arcmin
 
  Partial Coding Fraction: 0.875    [ including projection effects ]

  Duration
     T90: 79.8400000333786 +/- 6.63277919057222
        Measured from: -64.9200000166893
                   to: 14.9200000166893     [s; relative to TRIGTIME]
     T50: 33.9480000138283 +/- 23.9535473518918
        Measured from: -25.8240000009537
                   to: 8.1240000128746     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.12000000476837     
                   to: 3.12000000476837     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -67.16400000453     
                   to: 18.1119999885559     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.326240   0.489489   0.329745   0.082731
           0.043140   0.044683   0.039689   0.035766 [error]
 Peak      0.011464   0.018566   0.024844   0.013912
           0.004744   0.005092   0.004671   0.004048 [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 9.84e-08 1.78e-07 2.48e-07 7.18e-07 7.11e-07 1.24e-06   erg/cm2
              Error 1.72e-08 1.96e-08 3.81e-08 2.32e-07 9.15e-08 2.65e-07   erg/cm2
Peak flux Power-law 9.16e-02 1.36e-01 1.51e-01 3.16e-01 4.74e-01 6.94e-01   ph/cm2/s
              Error 4.73e-02 4.27e-02 3.56e-02 1.72e-01 1.12e-01 1.82e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.08e-08 1.92e-07 2.49e-07 2.59e-07 6.64e-07 7.92e-07   erg/cm2
              Error 1.97e-08 2.65e-08 4.25e-08 2.71e-07 1.08e-07 3.85e-07   erg/cm2
Peak flux Cutoff-PL 8.74e-02 1.37e-01 1.54e-01 2.65e-01 4.71e-01 6.54e-01   ph/cm2/s
              Error 5.37e-02 4.50e-02 3.68e-02 2.56e-01 1.16e-01 2.46e-01   ph/cm2/s
 
Fluence        Band 8.38e-08 2.04e-07 2.34e-07 4.99e-07 6.75e-07 1.03e-06   erg/cm2
              Error -------- -------- 4.19e-08 -------- 9.67e-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    1.525    0.191    -      -           8.83e-04 1.02e-04   80.720 57
CPL   0.875    0.866      79.4  -27.1      1.98e-03 2.86e-03   78.790 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.851    0.427    -      -           4.13e-03 9.89e-04   52.090 57
CPL   7.196    0.000     706.7    0.0      1.69e-06 0.00e+00   51.960 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: 13.696000 sec.
T50 in the 50-300 keV band: 6.656000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   85.276  -67.164   18.112
T90    79.840  -64.920   14.920
T50    33.948  -25.824    8.124
Peak    1.000    2.120    3.120
  • 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
      322.1298    -6.0685   0.0154    15.7719   128.0141         1.2096779     12.563 TRIG_00213630                 
     
    Foreground time interval of the image:
    -67.164  18.112 (delta_t =  85.276 [sec])
    Background time interval of the image:
    -239.856 -67.164 (delta_t = 172.692 [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 3.072000
    

    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 3.072000
    

    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 3.072000
    

    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  -67.164 sec. to   18.112 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.52478     ( -0.189501   0.192707 )
    Norm@50keV  : 8.82766E-04    ( -0.000102599   0.000101482 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          80.72 using 59 PHA bins.
    # Reduced chi-squared =          1.416 for     57 degrees of freedom 
    # Null hypothesis probability =   2.105907e-02
     
    Photon flux (15-150 keV)    in 85.28 sec: 0.110955 ( -0.0120725  0.0120787 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.11367e-07 ( -9.06228e-08  9.22892e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -67.164 sec. to   18.112 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.875455     ( -0.964378   0.76796 )
    Epeak [keV] : 79.4460      ( -25.2636 -79.4485 )
    Norm@50keV  : 1.97877E-03    ( -0.00114907   0.00456557 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          78.79 using 59 PHA bins.
    # Reduced chi-squared =          1.407 for     56 degrees of freedom 
    # Null hypothesis probability =   2.404245e-02
     
    Photon flux (15-150 keV)    in 85.28 sec: 0.107737 ( -0.0127012  0.012533 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.63518e-07 ( -1.06006e-07  1.09008e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -67.164 sec. to   18.112 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 3.01186   ( -7.1312   -3.013 )
    beta        : -1.82733    ( -0.40402   0.303624 )
    Epeak [keV] : 33.0581      ( -10.2321 40.8916 )
    Norm@50keV   : 1.03362    ( -1.03452   10.2849 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          76.40 using 59 PHA bins.
    # Reduced chi-squared =          1.389 for     55 degrees of freedom 
    # Null hypothesis probability =   2.971720e-02
     
    Photon flux (15-150 keV)    in 85.28 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.75483e-07 ( -6.74886e-07  -9.81291e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 13.1316  (-1.7033  2.0234)
    R^2/D10^2   : 2.00411E-02  (-0.00798804   0.0128566)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          91.22 using 59 PHA bins.
    # Reduced chi-squared =          1.600 for     57 degrees of freedom 
    # Null hypothesis probability =   2.688700e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.249e-08   1.280e-08
    25- 50  2.176e-07   3.347e-08
    50-150  2.386e-07   5.684e-08
    15-150  5.187e-07   7.552e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 198.190       (-86.9023      -198.205)
    Norm        : 0.453220       (-0.0489185     0.0543089)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          79.33 using 59 PHA bins.
    # Reduced chi-squared =          1.392 for     57 degrees of freedom 
    # Null hypothesis probability =   2.690943e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  9.632e-08   5.351e-08
    25- 50  1.852e-07   1.007e-07
    50-150  4.053e-07   2.193e-07
    15-150  6.868e-07   3.729e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.86323        (-2.35234      2.93323)
    R1^2/D10^2  : 8.15960E-02        (-0.0481157      0.153101)
    kT2 [keV]   : 26.5536        (-9.30286      79.4303)
    R2^2/D10^2  : 1.14638E-03    (-0.00107785   0.00457671)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          77.30 using 59 PHA bins.
    # Reduced chi-squared =          1.405 for     55 degrees of freedom 
    # Null hypothesis probability =   2.537258e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.838e-08   4.845e-08
    25- 50  1.981e-07   9.594e-08
    50-150  3.825e-07   2.159e-07
    15-150  6.690e-07   3.471e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    2.120 sec. to    3.120 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.850847     ( -0.449549   0.404766 )
    Norm@50keV  : 4.13155E-03    ( -0.00100436   0.000973977 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.09 using 59 PHA bins.
    # Reduced chi-squared =         0.9139 for     57 degrees of freedom 
    # Null hypothesis probability =   6.593130e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.474259 ( -0.111556  0.112341 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.72803e-08 ( -1.13921e-08  1.15003e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    2.120 sec. to    3.120 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 7.19550     (     )
    Epeak [keV] : 706.714      (   )
    Norm@50keV  : 1.68855E-06    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.96 using 59 PHA bins.
    # Reduced chi-squared =         0.9278 for     56 degrees of freedom 
    # Null hypothesis probability =   6.285223e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.471180 ( -0.118232  0.114759 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.69594e-08 ( -1.26293e-08  1.17975e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    2.120 sec. to    3.120 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.800275   ( 0.799918   0.799918 )
    beta        : -0.850545    ( -0.40483   0.449554 )
    Epeak [keV] : 15.9814      ( -15.9858 -15.9858 )
    Norm@50keV   : 5.97376E-03    ( -0.00282821   0 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.09 using 59 PHA bins.
    # Reduced chi-squared =         0.9471 for     55 degrees of freedom 
    # Null hypothesis probability =   5.864300e-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]    : 23.7639  (-6.12575  10.8414)
    R^2/D10^2   : 1.38542E-02  (-0.00932802   0.0214656)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.98 using 59 PHA bins.
    # Reduced chi-squared =         0.9471 for     57 degrees of freedom 
    # Null hypothesis probability =   5.890267e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.395e-09   7.921e-10
    25- 50  7.707e-09   3.841e-09
    50-150  3.245e-08   1.529e-08
    15-150  4.156e-08   1.993e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 1.90663       (-0.465156     0.465131)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.05 using 59 PHA bins.
    # Reduced chi-squared =          1.053 for     57 degrees of freedom 
    # Null hypothesis probability =   3.659451e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.747e-09   2.895e-09
    25- 50  9.132e-09   5.460e-09
    50-150  2.003e-08   1.199e-08
    15-150  3.391e-08   2.005e-08
    
    Double BB
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 14.7549        (-1.83597      5.47717)
    R1^2/D10^2  : 4.08859E-02        (-337.799      11051.6)
    kT2 [keV]   : 88.3717        (-6.81905      11.0029)
    R2^2/D10^2  : 3.19043E-04    (   )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.94 using 59 PHA bins.
    #Fit statistic : Chi-Squared =          51.76 using 59 PHA bins.
    # Reduced chi-squared =         0.9444 for     55 degrees of freedom 
    # Reduced chi-squared =         0.9410 for     55 degrees of freedom 
    # Null hypothesis probability =   5.921745e-01
    # Null hypothesis probability =   5.992871e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.530e-09   9.542e-10
    25- 50  7.109e-09   3.983e-09
    50-150  3.351e-08   1.927e-08
    15-150  4.315e-08   2.036e-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: 1.52478     ( -0.189501   0.192707 )
    Norm@50keV  : 8.82766E-04    ( -0.000102599   0.000101482 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          80.72 using 59 PHA bins.
    # Reduced chi-squared =          1.416 for     57 degrees of freedom 
    # Null hypothesis probability =   2.105907e-02
     
    Photon flux (15-150 keV)    in 85.28 sec: 0.110955 ( -0.0120725  0.0120787 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.11367e-07 ( -9.06228e-08  9.22892e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.875455     ( -0.964378   0.76796 )
    Epeak [keV] : 79.4460      ( -25.2636 -79.4485 )
    Norm@50keV  : 1.97877E-03    ( -0.00114907   0.00456557 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          78.79 using 59 PHA bins.
    # Reduced chi-squared =          1.407 for     56 degrees of freedom 
    # Null hypothesis probability =   2.404245e-02
     
    Photon flux (15-150 keV)    in 85.28 sec: 0.107737 ( -0.0127012  0.012533 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.63518e-07 ( -1.06006e-07  1.09008e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 3.01186   ( -5.78492   -3.013 )
    beta        : -1.82733    ( -0.40402   0.303624 )
    Epeak [keV] : 33.0581      ( -10.2321 40.8916 )
    Norm@50keV   : 1.03362    ( -1.03452   10.2849 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          76.40 using 59 PHA bins.
    # Reduced chi-squared =          1.389 for     55 degrees of freedom 
    # Null hypothesis probability =   2.971720e-02
     
    Photon flux (15-150 keV)    in 85.28 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.75483e-07 ( -6.74886e-07  -9.81291e-08 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 1.78e-07
    S(50-100 keV) = 2.48e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 79.8400000333786 sec.
    Hardness ratio (energy fluence ratio) = 1.39326
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.5004
    Count Ratio (50-100 keV) / (15-25 keV) = 1.01074
    

    Mask shadow pattern

    IMX = -1.739427496175877E-01, IMY = -2.225240647271498E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 3.072000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 3.072000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 3.072000
    

    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:
    -239.856000 -67.164000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    326.0623  38.2746    5.0  50.3 -170.1   0.6728   2.3    5.9	Cyg X-2                       
     20.4566 -52.0789    2.6  53.9  -10.0   1.5332   4.4 ------	UNKNOWN                       
    344.7283  19.1682    2.5  31.0 -144.9   0.7259   4.6 ------	UNKNOWN                       
     12.8827   9.9392    3.4  41.1  -97.9   2.1868   3.4 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -67.164000 18.112000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    326.3107  38.2038    5.9  50.2 -169.9   0.4293   2.0    9.6	Cyg X-2                       
    308.9065 -52.6632    2.6  47.6   44.3   2.1461   4.4 ------	UNKNOWN                       
    322.1298  -6.0685    0.9  15.8  128.0   1.2096  12.6 ------	UNKNOWN                       
    355.2684  12.2094    2.6  29.2 -120.5   0.6005   4.5 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    76.844590 593.744590
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    288.7868  10.9490    3.0  37.3  139.0   2.0933   3.8    0.7	GRS 1915+105                  
    299.5908  35.2119    0.6  46.4  176.3  11.5951  20.5    0.6	Cyg X-1                       
    308.2158  41.0145   20.4  48.8 -172.0  -0.3438  -0.6    6.1	Cyg X-3                       
    326.1630  38.3146  127.2  44.5 -153.5  -0.0499  -0.1    0.6	Cyg X-2                       
      2.1797 -39.3860    2.6  49.0  -19.2   2.5242   4.4 ------	UNKNOWN                       
    346.3724  38.4234    3.0  49.8 -133.2   4.9419   3.9 ------	UNKNOWN                       
    
    Plot creation:
    Wed Jun 24 17:47:49 EDT 2015