batgrbproduct Analysis for Trigger=163170

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jan 22 19:40:05 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger163170
======================================================================

  Trigger: 00163170      Segment: 000

  BAT Trigger Time: 153218379.2   [s; MET]
      Trigger Stop: 153218383.296   [s; MET]
               UTC: 2005-11-09T08:39:39.370220    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 345.43961754781   Dec: 38.6721088138371  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.84
     Image Trigger?:     NO
     Rate S/N Ratio:     15.0665191733194  [ if not an image trigger ]
     Image S/N Ratio:    9.84

  Flight Position:   [ source = BAT ]
    RA: 345.43961754781   Dec: 38.6721088138371  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 345.464375018087   Dec: 38.6639792520191  [deg; J2000]  
        { 23h 01m 51.5s , +38d 39' 50.3" }
         +/- 1.88100279694958 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.801763942522212 [arcmin] (formal 1-sigma fit error)
    SNR: 12.334838391043
 
  Angular difference between Flight and Ground position is 1.258203 arcmin
 
  Partial Coding Fraction: 0.8984375    [ including projection effects ]

  Duration
     T90: 15.6960000097752 +/- 4.11711939276437
        Measured from: -6.81599998474121
                   to: 8.88000002503395     [s; relative to TRIGTIME]
     T50: 5.98400002717972 +/- 2.04719515127314
        Measured from: -1.39599999785423
                   to: 4.58800002932549     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.0920000076293945     
                   to: 1.09200000762939     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -8.14399999380112     
                   to: 10.8120000064373     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.178071   0.225928   0.093466   0.029147
           0.022444   0.023360   0.020712   0.019859 [error]
 Peak      0.028884   0.016853   0.019323   0.005033
           0.005349   0.005603   0.004861   0.004771 [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 5.77e-08 7.92e-08 8.04e-08 1.48e-07 2.65e-07 3.66e-07   erg/cm2
              Error 9.51e-09 1.02e-08 1.82e-08 6.46e-08 4.24e-08 8.64e-08   erg/cm2
Peak flux Power-law 2.32e-01 1.90e-01 1.05e-01 8.59e-02 5.66e-01 6.13e-01   ph/cm2/s
              Error 7.41e-02 4.22e-02 4.06e-02 6.48e-02 1.25e-01 1.43e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.22e-08 9.51e-08 6.84e-08 1.45e-08 2.28e-07 2.30e-07   erg/cm2
              Error 1.08e-08 1.51e-08 2.40e-08 3.19e-08 4.23e-08 5.23e-08   erg/cm2
Peak flux Cutoff-PL 2.30e-01 1.92e-01 1.06e-01 7.52e-02 5.64e-01 6.04e-01   ph/cm2/s
              Error 7.79e-02 4.93e-02 4.22e-02 6.28e-02 1.26e-01 1.54e-01   ph/cm2/s
 
Fluence        Band 5.18e-08 9.46e-08 6.85e-08 1.48e-08 2.28e-07 2.30e-07   erg/cm2
              Error 1.01e-08 1.48e-08 2.35e-08 -------- 4.16e-08 --------   erg/cm2
Peak flux      Band 2.22e-01 1.97e-01 1.06e-01 5.81e-02 5.60e-01 5.85e-01   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    1.979    0.231    -      -           1.52e-03 2.53e-04   64.670 57
CPL   0.360    1.311      39.4   10.0      1.43e-02 5.92e-02   57.980 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.851    0.446    -      -           4.02e-03 1.17e-03   53.660 57
CPL   1.756    0.000     115.9    0.0      4.54e-03 0.00e+00   53.640 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   18.956   -8.144   10.812
T90    15.696   -6.816    8.880
T50     5.984   -1.396    4.588
Peak    1.000    0.092    1.092
  • 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
      345.4644    38.6640   0.0156    11.8595    98.6082         0.5388982     12.335 TRIG_00163170                 
     
    Foreground time interval of the image:
     -8.144  10.812 (delta_t =  18.956 [sec])
    Background time interval of the image:
    -299.200  -8.144 (delta_t = 291.056 [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 4.096000
    

    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 4.096000
    

    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 4.096000
    

    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   -8.144 sec. to   10.812 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.97893     ( -0.22298   0.238947 )
    Norm@50keV  : 1.51625E-03    ( -0.000255455   0.000250574 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.67 using 59 PHA bins.
    # Reduced chi-squared =          1.135 for     57 degrees of freedom 
    # Null hypothesis probability =   2.265903e-01
     
    Photon flux (15-150 keV)    in 18.96 sec: 0.225262 ( -0.0283203  0.0283247 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.64839e-07 ( -4.16631e-08  4.32275e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -8.144 sec. to   10.812 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.360024     ( -1.49294   1.12815 )
    Epeak [keV] : 39.4462      ( -8.14345 11.7991 )
    Norm@50keV  : 1.42688E-02    ( -0.0142689   0.104049 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.98 using 59 PHA bins.
    # Reduced chi-squared =          1.035 for     56 degrees of freedom 
    # Null hypothesis probability =   4.020825e-01
     
    Photon flux (15-150 keV)    in 18.96 sec: 0.215296 ( -0.028334  0.028601 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.27983e-07 ( -3.90371e-08  4.5485e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -8.144 sec. to   10.812 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.401579   ( -0.825227   1.9284 )
    beta        : -10.0000    ( 10   0 )
    Epeak [keV] : 39.4554      ( -8.15407 11.7883 )
    Norm@50keV   : 1.34893E-02    ( -0.0134893   0.10495 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.98 using 59 PHA bins.
    # Reduced chi-squared =          1.054 for     55 degrees of freedom 
    # Null hypothesis probability =   3.658249e-01
     
    Photon flux (15-150 keV)    in 18.96 sec: 0.215529 ( 6.78447  -0.028302 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.28106e-07 ( -2.27973e-07  -3.92963e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 9.69355  (-1.22808  1.40727)
    R^2/D10^2   : 0.123585  (-0.0499228   0.0831017)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.26 using 59 PHA bins.
    # Reduced chi-squared =          1.092 for     57 degrees of freedom 
    # Null hypothesis probability =   2.943543e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.433e-08   9.338e-09
    25- 50  1.054e-07   1.945e-08
    50-150  5.024e-08   1.684e-08
    15-150  2.000e-07   3.382e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 61.8463       (-18.8311      33.0226)
    Norm        : 1.18016       (-0.214292     0.259638)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.84 using 59 PHA bins.
    # Reduced chi-squared =          1.050 for     57 degrees of freedom 
    # Null hypothesis probability =   3.729135e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.650e-08   9.139e-09
    25- 50  8.679e-08   1.285e-08
    50-150  1.012e-07   3.756e-08
    15-150  2.445e-07   4.863e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.20088        (-4.53344      28.4341)
    R1^2/D10^2  : 0.602882        (-0.481945      -0.602884)
    kT2 [keV]   : 13.0962        (-3.43578      20.4848)
    R2^2/D10^2  : 2.94583E-02    (-0.0291081   0.0892309)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.81 using 59 PHA bins.
    # Reduced chi-squared =          1.051 for     55 degrees of freedom 
    # Null hypothesis probability =   3.718084e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.277e-08   2.818e-08
    25- 50  9.386e-08   4.778e-08
    50-150  7.794e-08   4.628e-08
    15-150  2.246e-07   1.139e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.092 sec. to    1.092 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.85134     ( -0.413971   0.478306 )
    Norm@50keV  : 4.02285E-03    ( -0.00120787   0.0011265 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.66 using 59 PHA bins.
    # Reduced chi-squared =         0.9414 for     57 degrees of freedom 
    # Null hypothesis probability =   6.012115e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.565762 ( -0.125118  0.125131 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.69886e-08 ( -1.04854e-08  1.10282e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.092 sec. to    1.092 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.75606     (     )
    Epeak [keV] : 115.905      (   )
    Norm@50keV  : 4.54262E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.64 using 59 PHA bins.
    # Reduced chi-squared =         0.9579 for     56 degrees of freedom 
    # Null hypothesis probability =   5.645287e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.563983 ( -0.125378  0.126045 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.66004e-08 ( -1.08076e-08  1.13501e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.092 sec. to    1.092 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -3.75885   ( 2.23189   3.75885 )
    beta        : -1.85134    ( -0.478304   0.41414 )
    Epeak [keV] : 76.1523      ( -76.1523 -76.1523 )
    Norm@50keV   : 0.546762    ( -0.164167   0.153108 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.66 using 59 PHA bins.
    # Reduced chi-squared =         0.9756 for     55 degrees of freedom 
    # Null hypothesis probability =   5.259943e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.559717 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.31935e-15 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 13.1861  (-3.67899  4.37004)
    R^2/D10^2   : 9.67423E-02  (-0.0617103   0.210133)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.93 using 59 PHA bins.
    # Reduced chi-squared =          1.069 for     57 degrees of freedom 
    # Null hypothesis probability =   3.364133e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.566e-09   1.745e-09
    25- 50  1.247e-08   5.927e-09
    50-150  1.382e-08   6.982e-09
    15-150  2.986e-08   1.292e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 96.1536       (-52.223      -96.1536)
    Norm        : 2.52509       (-0.645258     0.999411)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.95 using 59 PHA bins.
    # Reduced chi-squared =         0.9465 for     57 degrees of freedom 
    # Null hypothesis probability =   5.901728e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.598e-09   3.987e-09
    25- 50  1.132e-08   6.332e-09
    50-150  1.793e-08   1.410e-08
    15-150  3.585e-08   2.406e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.48577        (-1.3938      1.94212)
    R1^2/D10^2  : 12.9314        (-11.3439      253.676)
    kT2 [keV]   : 18.1074        (-4.94016      8.58203)
    R2^2/D10^2  : 2.65314E-02    (-0.0198894   0.0392515)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.18 using 59 PHA bins.
    # Reduced chi-squared =         0.9124 for     55 degrees of freedom 
    # Null hypothesis probability =   6.589506e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.533e-09   4.128e-09
    25- 50  9.462e-09   5.190e-09
    50-150  1.926e-08   1.240e-08
    15-150  3.625e-08   1.947e-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: 1.97893     ( -0.22298   0.238947 )
    Norm@50keV  : 1.51625E-03    ( -0.000255455   0.000250574 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.67 using 59 PHA bins.
    # Reduced chi-squared =          1.135 for     57 degrees of freedom 
    # Null hypothesis probability =   2.265903e-01
     
    Photon flux (15-150 keV)    in 18.96 sec: 0.225262 ( -0.0283203  0.0283247 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.64839e-07 ( -4.16631e-08  4.32275e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.360024     ( -1.49294   1.12815 )
    Epeak [keV] : 39.4462      ( -8.14345 11.7991 )
    Norm@50keV  : 1.42688E-02    ( -0.0142689   0.104049 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.98 using 59 PHA bins.
    # Reduced chi-squared =          1.035 for     56 degrees of freedom 
    # Null hypothesis probability =   4.020825e-01
     
    Photon flux (15-150 keV)    in 18.96 sec: 0.215296 ( -0.028334  0.028601 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.27983e-07 ( -3.90371e-08  4.5485e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.401579   ( -0.825227   1.9284 )
    beta        : -10.0000    ( 10   20 )
    Epeak [keV] : 39.4554      ( -8.15407 11.7883 )
    Norm@50keV   : 1.34893E-02    ( -0.0134893   0.10495 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.98 using 59 PHA bins.
    # Reduced chi-squared =          1.054 for     55 degrees of freedom 
    # Null hypothesis probability =   3.658249e-01
     
    Photon flux (15-150 keV)    in 18.96 sec: 0.215529 ( 6.78447  -0.028302 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.28106e-07 ( -2.27973e-07  -3.92963e-08 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 7.92e-08
    S(50-100 keV) = 8.04e-08
    

    T90 vs. Hardness ratio plot

    T90                                   = 15.6960000097752 sec.
    Hardness ratio (energy fluence ratio) = 1.01515
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.26875
    Count Ratio (50-100 keV) / (15-25 keV) = 0.524881
    

    Mask shadow pattern

    IMX = -3.143115528553913E-02, IMY = -2.076287152403848E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 4.096000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 4.096000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 4.096000
    

    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:
    -299.200000 -8.144000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.5917  35.1970    0.2  24.7  -90.3  13.4641  48.1    0.3	Cyg X-1                       
    308.1177  40.9772    1.2  16.7  -79.3   2.2403  10.0    1.5	Cyg X-3                       
    326.0304  38.4614    9.2   4.1 -121.8   0.2627   1.3   10.7	Cyg X-2                       
     25.4694  43.0650    3.3  40.3   70.8   3.5175   3.5 ------	UNKNOWN                       
     36.6593  71.3728    3.7  44.2   27.7   1.6530   3.1 ------	UNKNOWN                       
    270.2917  47.5686    3.6  42.4  -57.1   1.9992   3.2 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -8.144000 10.812000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.6854  35.0861    3.4  24.7  -90.6   0.1936   3.4    8.4	Cyg X-1                       
    308.2493  41.1214    8.3  16.6  -78.9   0.0662   1.4   11.9	Cyg X-3                       
    326.1296  38.2587    8.4   4.1 -124.7   0.0555   1.4    4.3	Cyg X-2                       
     55.6849  76.0082    2.4  49.5   21.4   0.6834   4.8 ------	UNKNOWN                       
    355.7701  31.0694    2.3  22.7  110.3   0.2673   5.0 ------	UNKNOWN                       
    345.4644  38.6640    0.9  11.9   98.6   0.5387  12.3 ------	UNKNOWN                       
    294.4867  30.1983    2.2  30.8  -95.9   0.3683   5.2 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    70.500600 302.887100
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    299.5865  35.2111    0.5  36.4  -86.3  11.4760  24.8    0.6	Cyg X-1                       
    308.1540  40.9531    1.8  28.5  -78.9   1.6611   6.5    2.0	Cyg X-3                       
    326.0033  38.1607    0.0  15.2  -91.4   0.3380   1.9   12.5	Cyg X-2                       
     18.3254   8.2741    2.7  42.4  121.7   3.1473   4.3 ------	UNKNOWN                       
     52.5793  55.6210    2.8  46.6   40.3   2.9994   4.2 ------	UNKNOWN                       
      9.5439   9.1569    2.6  36.6  131.9   1.5634   4.5 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 15:12:46 EDT 2015