batgrbproduct Analysis for Trigger=252593

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 20 12:15:18 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger252593
======================================================================

  Trigger: 00252593      Segment: 000

  BAT Trigger Time: 188453464   [s; MET]
      Trigger Stop: 188453528   [s; MET]
               UTC: 2006-12-22T04:11:02.350780    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 105.357290328966   Dec: -25.8555478617164  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.83
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.83

  Flight Position:   [ source = BAT ]
    RA: 105.357290328966   Dec: -25.8555478617164  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 105.353903329546   Dec: -25.8678309517905  [deg; J2000]  
        { 07h 01m 24.9s , -25d 52' 04.2" }
         +/- 1.29600812761518 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.447740856112547 [arcmin] (formal 1-sigma fit error)
    SNR: 21.001494515391
 
  Angular difference between Flight and Ground position is 0.759334 arcmin
 
  Partial Coding Fraction: 0.15625    [ including projection effects ]

  Duration
     T90: 37.2479999661446 +/- 6.05790721767193
        Measured from: 41.7039999961853
                   to: 78.9519999623299     [s; relative to TRIGTIME]
     T50: 19.311999976635 +/- 2.58750228941296
        Measured from: 47.0480000078678
                   to: 66.3599999845028     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 59.2759999930859     
                   to: 60.2759999930859     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 35.1119999885559     
                   to: 84.8880000114441     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.333452   1.667826   0.892326   0.147357
           0.092104   0.096250   0.081763   0.068577 [error]
 Peak      0.067076   0.066503   0.034062   0.022550
           0.013766   0.014334   0.011911   0.010016 [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 4.85e-07 6.75e-07 6.96e-07 1.31e-06 2.27e-06 3.17e-06   erg/cm2
              Error 5.11e-08 4.76e-08 7.86e-08 2.97e-07 1.83e-07 3.78e-07   erg/cm2
Peak flux Power-law 7.21e-01 4.92e-01 2.20e-01 1.36e-01 1.50e+00 1.57e+00   ph/cm2/s
              Error 2.07e-01 1.15e-01 8.41e-02 9.44e-02 3.43e-01 3.62e-01   ph/cm2/s
 
Fluence   Cutoff-PL 4.50e-07 7.27e-07 6.94e-07 4.94e-07 2.15e-06 2.37e-06   erg/cm2
              Error 5.81e-08 6.24e-08 8.76e-08 3.91e-07 2.02e-07 4.41e-07   erg/cm2
Peak flux Cutoff-PL 6.65e-01 6.34e-01 1.69e-01 8.13e-03 1.48e+00 1.48e+00   ph/cm2/s
              Error 2.27e-01 1.69e-01 1.44e-01 4.39e-02 3.34e-01 3.35e-01   ph/cm2/s
 
Fluence        Band 4.47e-07 7.23e-07 6.94e-07 5.26e-07 2.16e-06 2.41e-06   erg/cm2
              Error -------- -------- 8.45e-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    1.956    0.129    -      -           4.96e-03 4.11e-04   51.930 57
CPL   1.306    0.536      47.3   16.0      1.14e-02 8.59e-03   46.870 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.162    0.392    -      -           9.23e-03 2.78e-03   63.320 57
CPL  -0.067    2.512      33.4   16.0      2.38e-01 1.99e+01   59.200 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: 38.784000 sec.
T50 in the 50-300 keV band: 18.048000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   49.776   35.112   84.888
T90    37.248   41.704   78.952
T50    19.312   47.048   66.360
Peak    1.000   59.276   60.276
  • 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
      105.3539   -25.8678   0.0092    37.1700   104.0873         3.9702804     21.001 TRIG_00252593                 
     
    Foreground time interval of the image:
     35.112  76.701 (delta_t =  41.589 [sec])
    Background time interval of the image:
    -239.000  35.112 (delta_t = 274.112 [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 64.000000
    

    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 64.000000
    

    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 64.000000
    

    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   35.112 sec. to   84.888 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.95614     ( -0.127104   0.131039 )
    Norm@50keV  : 4.96139E-03    ( -0.000413831   0.000408409 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.93 using 59 PHA bins.
    # Reduced chi-squared =         0.9111 for     57 degrees of freedom 
    # Null hypothesis probability =   6.650816e-01
     
    Photon flux (15-150 keV)    in 49.78 sec: 0.729593 ( -0.052369  0.05242 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.27331e-06 ( -1.82449e-07  1.84194e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   35.112 sec. to   84.888 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.30598     ( -0.56903   0.503173 )
    Epeak [keV] : 47.2940      ( -11.3593 20.5878 )
    Norm@50keV  : 1.13536E-02    ( -0.00527163   0.0119136 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.87 using 59 PHA bins.
    # Reduced chi-squared =         0.8370 for     56 degrees of freedom 
    # Null hypothesis probability =   8.024168e-01
     
    Photon flux (15-150 keV)    in 49.78 sec: 0.709890 ( -0.054366  0.054402 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.15417e-06 ( -1.99787e-07  2.03804e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   35.112 sec. to   84.888 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.30608   ( -0.269773   0.991163 )
    beta        : -10.0000    ( 10   1.77636e-15 )
    Epeak [keV] : 47.2854      ( -11.3463 20.5924 )
    Norm@50keV   : 1.13508E-02    ( -0.00527007   0.0119206 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.87 using 59 PHA bins.
    # Reduced chi-squared =         0.8522 for     55 degrees of freedom 
    # Null hypothesis probability =   7.740375e-01
     
    Photon flux (15-150 keV)    in 49.78 sec: 0.713365 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.15719e-06 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 10.7723  (-0.948199  1.04526)
    R^2/D10^2   : 0.253681  (-0.0756414   0.107454)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          88.13 using 59 PHA bins.
    # Reduced chi-squared =          1.546 for     57 degrees of freedom 
    # Null hypothesis probability =   5.111131e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.048e-07   4.199e-08
    25- 50  8.388e-07   7.069e-08
    50-150  5.409e-07   9.269e-08
    15-150  1.685e-06   1.394e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 74.4395       (-14.7978      21.0193)
    Norm        : 3.50220       (-0.383006     0.439822)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.87 using 59 PHA bins.
    # Reduced chi-squared =         0.8222 for     57 degrees of freedom 
    # Null hypothesis probability =   8.285246e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.499e-07   4.615e-08
    25- 50  7.275e-07   5.202e-08
    50-150  9.771e-07   1.702e-07
    15-150  2.155e-06   2.076e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.91729        (-1.1109      1.19859)
    R1^2/D10^2  : 1.67938        (-0.807135      1.99115)
    kT2 [keV]   : 19.3643        (-3.3981      5.13452)
    R2^2/D10^2  : 1.94814E-02    (-0.0120436   0.0244043)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.17 using 59 PHA bins.
    # Reduced chi-squared =         0.8031 for     55 degrees of freedom 
    # Null hypothesis probability =   8.519040e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.521e-07   1.241e-07
    25- 50  7.147e-07   1.849e-07
    50-150  9.886e-07   4.761e-07
    15-150  2.155e-06   6.944e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   59.276 sec. to   60.276 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.16155     ( -0.367687   0.416047 )
    Norm@50keV  : 9.23484E-03    ( -0.00280727   0.00274968 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.32 using 59 PHA bins.
    # Reduced chi-squared =          1.111 for     57 degrees of freedom 
    # Null hypothesis probability =   2.631481e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.49862 ( -0.342526  0.342527 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.63678e-08 ( -2.30055e-08  2.40073e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   59.276 sec. to   60.276 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -6.74355E-02     ( -3.10604   1.91846 )
    Epeak [keV] : 33.3891      ( -19.3434 12.727 )
    Norm@50keV  : 0.238095    ( -0.248155   39.5482 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.20 using 59 PHA bins.
    # Reduced chi-squared =          1.057 for     56 degrees of freedom 
    # Null hypothesis probability =   3.597389e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.47595 ( -0.33302  0.3357 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.45704e-08 ( -1.99607e-08  2.32447e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   59.276 sec. to   60.276 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.97963   ( -4.51519   -4.97963 )
    beta        : -2.92247    ( -1.33669   0.68323 )
    Epeak [keV] : 25.9667      ( -4.93924 4.47358 )
    Norm@50keV   : 1561.93    ( -334.844   4823.04 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.24 using 59 PHA bins.
    # Reduced chi-squared =          1.023 for     55 degrees of freedom 
    # Null hypothesis probability =   4.281274e-01
     
    Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.02787e-08 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 8.42771  (-1.90637  2.33736)
    R^2/D10^2   : 1.46449  (-0.913343   2.5563)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.36 using 59 PHA bins.
    # Reduced chi-squared =          1.059 for     57 degrees of freedom 
    # Null hypothesis probability =   3.553750e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.950e-08   9.356e-09
    25- 50  3.728e-08   1.491e-08
    50-150  1.158e-08   7.147e-09
    15-150  6.836e-08   2.678e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 45.0919       (-17.9405      39.082)
    Norm        : 9.34974       (-3.0035     4.5355)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.51 using 59 PHA bins.
    # Reduced chi-squared =          1.062 for     57 degrees of freedom 
    # Null hypothesis probability =   3.503333e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.227e-08   6.320e-09
    25- 50  3.078e-08   1.186e-08
    50-150  2.701e-08   1.720e-08
    15-150  8.006e-08   3.020e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.66317        (-5.65302      79.8526)
    R1^2/D10^2  : 4.41517        (-4.41618      -4.41618)
    kT2 [keV]   : 13.5003        (-13.3922      -13.3922)
    R2^2/D10^2  : 0.129368    (-0.134936   2.16826)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.22 using 59 PHA bins.
    # Reduced chi-squared =          1.059 for     55 degrees of freedom 
    # Null hypothesis probability =   3.577965e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.223e-08   1.381e-08
    25- 50  3.302e-08   1.899e-08
    50-150  2.216e-08   1.575e-08
    15-150  7.740e-08   4.566e-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: 1.94687     ( -0.126209   0.130131 )
    Norm@50keV  : 5.51967E-03    ( -0.000456849   0.000451029 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.58 using 59 PHA bins.
    # Reduced chi-squared =         0.9049 for     57 degrees of freedom 
    # Null hypothesis probability =   6.779669e-01
     
    Photon flux (15-150 keV)    in 41.59 sec: 0.808367 ( -0.0579424  0.0580009 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.11241e-06 ( -1.6889e-07  1.70442e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.20478     ( -0.593629   0.524016 )
    Epeak [keV] : 47.7011      ( -9.61148 16.5618 )
    Norm@50keV  : 1.41396E-02    ( -0.00674837   0.0156579 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.44 using 59 PHA bins.
    # Reduced chi-squared =         0.8115 for     56 degrees of freedom 
    # Null hypothesis probability =   8.423702e-01
     
    Photon flux (15-150 keV)    in 41.59 sec: 0.783388 ( -0.060346  0.060394 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.9899e-06 ( -1.84227e-07  1.88498e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.21077   ( -0.517939   0.586609 )
    beta        : -9.36561    ( 9.3656   19.3656 )
    Epeak [keV] : 47.7962      ( -8.70077 16.4366 )
    Norm@50keV   : 1.40176E-02    ( -0.00533964   0.00291279 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.44 using 59 PHA bins.
    # Reduced chi-squared =         0.8262 for     55 degrees of freedom 
    # Null hypothesis probability =   8.174286e-01
     
    Photon flux (15-150 keV)    in 41.59 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.98702e-06 ( 0  0 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 6.75e-07
    S(50-100 keV) = 6.96e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 37.2479999661446 sec.
    Hardness ratio (energy fluence ratio) = 1.03111
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.25076
    Count Ratio (50-100 keV) / (15-25 keV) = 0.669185
    

    Mask shadow pattern

    IMX = -1.845495917877787E-01, IMY = -7.354137459376950E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 64.000000
    

    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:
    -239.000000 35.112000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5216 -40.5193    1.7  32.4  155.5   1.8294   6.9    2.1	Vela X-1                      
    170.3025 -60.6752    3.8  33.8 -149.4   0.7206   3.1    3.2	Cen X-3                       
    186.7515 -62.6763    4.7  38.5 -138.4   0.9454   2.4    6.2	GX 301-2                      
     90.9357 -59.5056    2.0   3.6   51.2   1.1220   5.9 ------	UNKNOWN                       
     74.4079 -64.3738    2.8   9.5  -22.0   0.7575   4.1 ------	UNKNOWN                       
    162.2172 -85.8515    3.1  26.2  -99.7   1.0431   3.8 ------	UNKNOWN                       
    205.2858 -54.5121    2.3  51.0 -135.6   5.1594   5.0 ------	UNKNOWN                       
    

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

    Time interval of the image:
    35.112000 76.700600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5125 -40.7092    3.7  32.2  155.7   0.2478   3.1    9.3	Vela X-1                      
    170.3158 -60.6185   27.3  33.8 -149.4   0.0310   0.4    0.3	Cen X-3                       
    186.5464 -62.6817    8.5  38.5 -138.5  -0.1360  -1.4    6.1	GX 301-2                      
    105.3539 -25.8678    0.6  37.2  104.1   3.9706  21.0 ------	UNKNOWN                       
     38.0890 -45.4418    2.4  36.1   -0.3   0.4239   4.9 ------	UNKNOWN                       
     93.4180 -68.3165    2.6   5.9  -84.3   0.2717   4.5 ------	UNKNOWN                       
    335.9878 -65.8560    2.5  44.3  -60.3   1.1685   4.7 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    134.300620 483.070600
    661.000000 723.068900
    841.000000 887.100590
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5318 -40.5858    1.4  29.0 -124.0   3.0748   8.4    1.9	Vela X-1                      
     86.1990   5.5592    3.8  36.5   74.7   2.1427   3.1 ------	UNKNOWN                       
     52.5797 -11.7003    2.5  51.6   23.5   6.5050   4.5 ------	UNKNOWN                       
     71.1410  -8.9346    2.3  36.6   39.3   2.2685   4.9 ------	UNKNOWN                       
    101.9274 -30.5979    2.7   5.6  -40.2   1.1167   4.3 ------	UNKNOWN                       
    105.9975 -64.2773    3.6  38.4  -72.5   2.5844   3.2 ------	UNKNOWN                       
    123.1769 -65.2857    3.4  41.0  -83.3   4.6800   3.4 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 11:08:41 EDT 2015