batgrbproduct Analysis for Trigger=501095

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 13 21:13:25 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger501095
======================================================================

  Trigger: 00501095      Segment: 000

  BAT Trigger Time: 335554715.072   [s; MET]
      Trigger Stop: 335554717.12   [s; MET]
               UTC: 2011-08-20T17:38:27.791540    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 343.335365253431   Dec: 70.3055248184936  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.09
     Image Trigger?:     NO
     Rate S/N Ratio:     12.5299640861417  [ if not an image trigger ]
     Image S/N Ratio:    8.09

  Flight Position:   [ source = BAT ]
    RA: 343.335365253431   Dec: 70.3055248184936  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 343.218619076135   Dec: 70.3082785751454  [deg; J2000]  
        { 22h 52m 52.5s , +70d 18' 29.8" }
         +/- 1.84174578029472 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.661362005869463 [arcmin] (formal 1-sigma fit error)
    SNR: 12.7121448291621
 
  Angular difference between Flight and Ground position is 2.366256 arcmin
 
  Partial Coding Fraction: 0.9921875    [ including projection effects ]

  Duration
     T90: 264.615999937057 +/- 8.68569143541024
        Measured from: -1.59200000762939
                   to: 263.023999929428     [s; relative to TRIGTIME]
     T50: 244.843999922276 +/- 201.724250975818
        Measured from: 4.11199998855591
                   to: 248.955999910831     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.55599999427795     
                   to: 2.55599999427795     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -3.07200002670288     
                   to: 271.324000000954     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.643738   0.569578   0.376202  -0.001314
           0.075891   0.077526   0.068345   0.060200 [error]
 Peak      0.025092   0.028713   0.009262   0.005602
           0.004799   0.004961   0.004386   0.003627 [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 1.79e-07 2.45e-07 2.47e-07 4.51e-07 8.17e-07 1.12e-06   erg/cm2
              Error 3.45e-08 3.42e-08 6.48e-08 2.36e-07 1.45e-07 3.07e-07   erg/cm2
Peak flux Power-law 2.28e-01 1.73e-01 8.73e-02 6.32e-02 5.17e-01 5.51e-01   ph/cm2/s
              Error 6.43e-02 3.74e-02 3.31e-02 4.53e-02 1.10e-01 1.22e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.79e-07 2.45e-07 2.47e-07 4.48e-07 8.17e-07 1.12e-06   erg/cm2
              Error 3.48e-08 2.83e-08 6.51e-08 3.04e-07 1.49e-07 3.70e-07   erg/cm2
Peak flux Cutoff-PL 2.19e-01 1.96e-01 7.38e-02 1.09e-02 4.98e-01 5.00e-01   ph/cm2/s
              Error 7.11e-02 6.27e-02 5.94e-02 5.48e-02 1.18e-01 1.38e-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    1.988    0.283    -      -           3.23e-04 6.05e-05   61.690 57
CPL   2.031    0.000      30.4    0.0      3.05e-04 0.00e+00   61.680 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.984    0.406    -      -           3.47e-03 1.00e-03   55.410 57
CPL   0.910    3.092      36.4    0.0      1.68e-02 0.00e+00   54.770 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: 5.184000 sec.
T50 in the 50-300 keV band: 2.816000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  274.396   -3.072  271.324
T90   264.616   -1.592  263.024
T50   244.844    4.112  248.956
Peak    1.000    1.556    2.556
  • 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
      343.2186    70.3083   0.0151    11.4904  -117.9107         0.6521102     12.712 TRIG_00501095                 
     
    Foreground time interval of the image:
     -3.072  27.629 (delta_t =  30.701 [sec])
    Background time interval of the image:
    -239.072  -3.072 (delta_t = 236.000 [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 2.048000
    

    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 2.048000
    

    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 2.048000
    

    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   -3.072 sec. to  271.324 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.98848     ( -0.269798   0.295823 )
    Norm@50keV  : 3.23031E-04    ( -6.18385e-05   5.92076e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.69 using 59 PHA bins.
    # Reduced chi-squared =          1.082 for     57 degrees of freedom 
    # Null hypothesis probability =   3.120807e-01
     
    Photon flux (15-150 keV)    in 274.4 sec: 4.81997E-02 ( -0.00654636  0.00654639 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.16927e-07 ( -1.42761e-07  1.47935e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -3.072 sec. to  271.324 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.03088     (     )
    Epeak [keV] : 30.4379      (   )
    Norm@50keV  : 3.05061E-04    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.68 using 59 PHA bins.
    # Reduced chi-squared =          1.101 for     56 degrees of freedom 
    # Null hypothesis probability =   2.803098e-01
     
    Photon flux (15-150 keV)    in 274.4 sec: 4.81898E-02 ( -0.0065529  0.0065349 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.17097e-07 ( -1.52819e-07  1.45684e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   -3.072 sec. to  271.324 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -5.35151   ( 5.0587   5.35151 )
    beta        : -1.98855    ( -0.295754   0.269961 )
    Epeak [keV] : 9999.35      ( -9999.35 -9999.35 )
    Norm@50keV   : 4.39031E-02    ( -0.00840334   0.00804854 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.69 using 59 PHA bins.
    # Reduced chi-squared =          1.122 for     55 degrees of freedom 
    # Null hypothesis probability =   2.492588e-01
     
    Photon flux (15-150 keV)    in 274.4 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]    : 9.88398  (-1.92345  2.43791)
    R^2/D10^2   : 2.24154E-02  (-0.0222205   0.0284275)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          82.34 using 59 PHA bins.
    # Reduced chi-squared =          1.445 for     57 degrees of freedom 
    # Null hypothesis probability =   1.567953e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.219e-07   3.344e-08
    25- 50  2.981e-07   7.874e-08
    50-150  1.504e-07   6.081e-08
    15-150  5.703e-07   1.142e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 73.0437       (-27.8168      60.5603)
    Norm        : 0.231462       (-0.045399     0.0616657)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.48 using 59 PHA bins.
    # Reduced chi-squared =          1.114 for     57 degrees of freedom 
    # Null hypothesis probability =   2.588056e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.636e-07   3.082e-08
    25- 50  2.633e-07   4.404e-08
    50-150  3.489e-07   1.900e-07
    15-150  7.758e-07   2.441e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.99307        (-1.26024      1.68339)
    R1^2/D10^2  : 0.626591        (-0.489295      1.61656)
    kT2 [keV]   : 18.4103        (-4.82422      7.86472)
    R2^2/D10^2  : 1.84333E-03    (-0.00134294   0.00395711)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.06 using 59 PHA bins.
    # Reduced chi-squared =          1.092 for     55 degrees of freedom 
    # Null hypothesis probability =   2.975901e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.891e-07   1.012e-07
    25- 50  2.159e-07   9.734e-08
    50-150  3.971e-07   2.420e-07
    15-150  8.021e-07   3.551e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    1.556 sec. to    2.556 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.98421     ( -0.381746   0.430172 )
    Norm@50keV  : 3.47483E-03    ( -0.00102215   0.000984708 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.41 using 59 PHA bins.
    # Reduced chi-squared =         0.9721 for     57 degrees of freedom 
    # Null hypothesis probability =   5.348704e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.517476 ( -0.109839  0.109881 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.20193e-08 ( -8.56748e-09  9.09864e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    1.556 sec. to    2.556 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.910027     ( -4.95246   1.23126 )
    Epeak [keV] : 36.3532      (   )
    Norm@50keV  : 1.67900E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.77 using 59 PHA bins.
    # Reduced chi-squared =         0.9780 for     56 degrees of freedom 
    # Null hypothesis probability =   5.216351e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.498361 ( -0.117373  0.117641 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.73097e-08 ( -9.2355e-09  1.26124e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    1.556 sec. to    2.556 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.934189   ( -2.54686   2.17707 )
    beta        : -10.00000    ( 10   4.79616e-14 )
    Epeak [keV] : 36.4756      ( -13.8355 -36.4756 )
    Norm@50keV   : 1.61707E-02    ( -0.00340455   37.5643 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.77 using 59 PHA bins.
    # Reduced chi-squared =         0.9958 for     55 degrees of freedom 
    # Null hypothesis probability =   4.834651e-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]    : 8.48930  (-1.6462  2.12794)
    R^2/D10^2   : 0.467631  (-0.273077   0.611582)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.58 using 59 PHA bins.
    # Reduced chi-squared =         0.9752 for     57 degrees of freedom 
    # Null hypothesis probability =   5.283125e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.346e-09   2.945e-09
    25- 50  1.228e-08   4.716e-09
    50-150  3.906e-09   2.551e-09
    15-150  2.253e-08   8.444e-09
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 58.6109       (-27.5041      84.6066)
    Norm        : 2.75983       (-0.831972     1.29192)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.81 using 59 PHA bins.
    # Reduced chi-squared =         0.9615 for     57 degrees of freedom 
    # Null hypothesis probability =   5.578650e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.909e-09   2.266e-09
    25- 50  1.044e-08   3.976e-09
    50-150  1.165e-08   7.940e-09
    15-150  2.900e-08   1.418e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.58704        (-5.16315      2.15556)
    R1^2/D10^2  : 0.661919        (-0.401839      14.5822)
    kT2 [keV]   : 53.5877        (-54.1086      -54.1087)
    R2^2/D10^2  : 4.16429E-04    (-0.000402161   0.280692)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.69 using 59 PHA bins.
    # Reduced chi-squared =         0.9579 for     55 degrees of freedom 
    # Null hypothesis probability =   5.635126e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.728e-09   3.870e-09
    25- 50  1.143e-08   6.760e-09
    50-150  1.415e-08   7.190e-09
    15-150  3.230e-08   1.513e-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: 1.44860     ( -0.202147   0.20401 )
    Norm@50keV  : 1.36084E-03    ( -0.000163018   0.000161644 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.40 using 59 PHA bins.
    # Reduced chi-squared =          1.060 for     57 degrees of freedom 
    # Null hypothesis probability =   3.539037e-01
     
    Photon flux (15-150 keV)    in 30.7 sec: 0.167647 ( -0.0193861  0.0194004 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.99886e-07 ( -5.32986e-08  5.41428e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.14176     ( -0.80719   0.47907 )
    Epeak [keV] : 137.300      ( -137.302 -137.302 )
    Norm@50keV  : 1.95845E-03    ( -0.000739505   0.002983 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.85 using 59 PHA bins.
    # Reduced chi-squared =          1.069 for     56 degrees of freedom 
    # Null hypothesis probability =   3.379022e-01
     
    Photon flux (15-150 keV)    in 30.7 sec: 0.165420 ( -0.020049  0.020017 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.89522e-07 ( -5.8591e-08  5.83945e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.15949   ( -0.33207   0.824185 )
    beta        : -9.37144    ( 9.37166   19.3717 )
    Epeak [keV] : 144.528      ( -80.6357 -144.407 )
    Norm@50keV   : 1.91308E-03    ( -0.000692025   0.00135261 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.85 using 59 PHA bins.
    # Reduced chi-squared =          1.088 for     55 degrees of freedom 
    # Null hypothesis probability =   3.040813e-01
     
    Photon flux (15-150 keV)    in 30.7 sec: 0.165341 (    ) 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)  = 2.45e-07
    S(50-100 keV) = 2.47e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 264.615999937057 sec.
    Hardness ratio (energy fluence ratio) = 1.00816
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.884798
    Count Ratio (50-100 keV) / (15-25 keV) = 0.584402
    

    Mask shadow pattern

    IMX = -9.515336926551408E-02, IMY = 1.796321127300071E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    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:
    -239.072000 -3.072000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.5613  35.2005    1.5  38.0  137.7   2.5818   7.5    1.4	Cyg X-1                       
    308.0910  40.9663    1.5  29.3  134.6   1.8140   7.8    1.2	Cyg X-3                       
    326.2885  38.2109    3.5  24.0  104.7   0.6756   3.3    8.6	Cyg X-2                       
    341.3589  18.3029    2.9  40.7   71.4   2.7315   4.0 ------	UNKNOWN                       
    340.7896  24.0016    2.7  35.0   72.8   1.5306   4.3 ------	UNKNOWN                       
     51.5190  70.2365    2.3  28.8  -74.5   1.0960   5.0 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -3.072000 27.628600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.4579  35.1956    5.5  38.0  137.8  -0.2294  -2.1    6.5	Cyg X-1                       
    308.2700  41.0955    0.0  29.1  134.6  -0.0958  -1.4   11.2	Cyg X-3                       
    326.3728  38.4430    0.0  23.8  104.8  -0.0845  -1.2   11.9	Cyg X-2                       
     33.1799  27.1680    2.8  45.6   -1.8   0.3697   4.1 ------	UNKNOWN                       
    343.2186  70.3083    0.9  11.5 -117.9   0.6522  12.7 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    62.628600 962.978000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.4171  35.2852    8.1  56.7  179.1   3.2675   1.4    4.0	Her X-1                       
    299.5606  35.2177    1.9  42.1  134.1   8.4421   6.1    1.7	Cyg X-1                       
    308.1114  40.9123    1.4  34.5  127.1   6.4473   8.4    2.4	Cyg X-3                       
    325.9982  38.4722    0.0  33.1  101.9  -0.4830  -0.5   12.2	Cyg X-2                       
    353.9713  61.6452    2.4   9.6   45.2   1.6972   4.7 ------	UNKNOWN                       
    250.0812  38.0629    3.3  55.6 -175.7   5.7308   3.5 ------	UNKNOWN                       
    242.0171  37.4319    3.1  58.7 -169.1   9.5430   3.8 ------	UNKNOWN                       
    201.8255  58.8483    2.2  48.0 -129.0  10.3092   5.2 ------	UNKNOWN                       
    
    Plot creation:
    Sat May 30 21:41:08 EDT 2015