batgrbproduct Analysis for Trigger=510736

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed May  6 16:48:48 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger510736
======================================================================

  Trigger: 00510736      Segment: 000

  BAT Trigger Time: 346891080   [s; MET]
      Trigger Stop: 346891081.024   [s; MET]
               UTC: 2011-12-29T22:37:52.271700    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 76.2818710787315   Dec: -84.7226656056908  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.81
     Image Trigger?:     NO
     Rate S/N Ratio:     9.79795897113271  [ if not an image trigger ]
     Image S/N Ratio:    7.81

  Flight Position:   [ source = BAT ]
    RA: 76.2818710787315   Dec: -84.7226656056908  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 76.6116818414581   Dec: -84.7042360580484  [deg; J2000]  
        { 05h 06m 26.8s , -84d 42' 15.2" }
         +/- 2.74320027437345 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.48723397449673 [arcmin] (formal 1-sigma fit error)
    SNR: 7.19508973874112
 
  Angular difference between Flight and Ground position is 2.132370 arcmin
 
  Partial Coding Fraction: 0.78125    [ including projection effects ]

  Duration
     T90: 25.3719999194145 +/- 5.58418089658764
        Measured from: -0.459999978542328
                   to: 24.9119999408722     [s; relative to TRIGTIME]
     T50: 16.9799998998642 +/- 3.9813188902735
        Measured from: 0.836000025272369
                   to: 17.8159999251366     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 0.120000004768372     
                   to: 1.12000000476837     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.972000002861023     
                   to: 26.2599999904633     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.194310   0.230138   0.145205   0.019228
           0.035935   0.035698   0.031398   0.027719 [error]
 Peak      0.035416   0.047497   0.025067   0.007720
           0.007309   0.007434   0.006627   0.005401 [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 6.37e-08 9.57e-08 1.07e-07 2.29e-07 3.36e-07 4.96e-07   erg/cm2
              Error 1.65e-08 1.65e-08 3.05e-08 1.34e-07 7.04e-08 1.64e-07   erg/cm2
Peak flux Power-law 3.52e-01 3.24e-01 2.07e-01 2.03e-01 9.67e-01 1.09e+00   ph/cm2/s
              Error 1.03e-01 6.13e-02 5.35e-02 1.04e-01 1.80e-01 2.05e-01   ph/cm2/s
 
Fluence   Cutoff-PL 6.35e-08 9.63e-08 1.08e-07 2.10e-07 3.35e-07 4.78e-07   erg/cm2
              Error 1.75e-08 1.91e-08 2.74e-08 1.99e-07 7.39e-08 1.97e-07   erg/cm2
Peak flux Cutoff-PL 3.39e-01 3.35e-01 2.10e-01 1.44e-01 9.59e-01 1.03e+00   ph/cm2/s
              Error 1.15e-01 7.49e-02 5.76e-02 1.25e-01 1.38e-01 2.41e-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    1.833    0.330    -      -           1.34e-03 2.77e-04   48.990 57
CPL   1.818    0.953     535.7    0.0      1.37e-03 3.31e-03   48.990 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.649    0.326    -      -           7.41e-03 1.49e-03   43.250 57
CPL   1.381    1.044     108.6    0.0      1.03e-02 0.00e+00   43.100 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   27.232   -0.972   26.260
T90    25.372   -0.460   24.912
T50    16.980    0.836   17.816
Peak    1.000    0.120    1.120
  • 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
       76.6117   -84.7042   0.0268    30.3790    -0.1810         0.3303993      7.195 TRIG_00510736                 
     
    Foreground time interval of the image:
     -0.972  11.901 (delta_t =  12.873 [sec])
    Background time interval of the image:
    -239.000  -0.972 (delta_t = 238.028 [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 1.024000
    

    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 1.024000
    

    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 1.024000
    

    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   -0.972 sec. to   26.260 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.83262     ( -0.317734   0.342637 )
    Norm@50keV  : 1.34065E-03    ( -0.00028331   0.000271607 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.99 using 59 PHA bins.
    # Reduced chi-squared =         0.8595 for     57 degrees of freedom 
    # Null hypothesis probability =   7.658039e-01
     
    Photon flux (15-150 keV)    in 27.23 sec: 0.187127 ( -0.0324712  0.0324879 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.35765e-07 ( -6.94014e-08  7.13843e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.972 sec. to   26.260 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.81782     ( -1.23049   0.674577 )
    Epeak [keV] : 535.695      (   )
    Norm@50keV  : 1.36638E-03    ( -0.00136927   0.00525422 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.99 using 59 PHA bins.
    # Reduced chi-squared =         0.8748 for     56 degrees of freedom 
    # Null hypothesis probability =   7.351641e-01
     
    Photon flux (15-150 keV)    in 27.23 sec: 0.187051 ( -0.033477  0.032435 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.34515e-07 ( -7.5569e-08  7.21922e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.972 sec. to   26.260 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -2.90472   ( 3.28998   2.90472 )
    beta        : -1.83262    ( -0.342637   0.317766 )
    Epeak [keV] : 69.6206      ( -69.6206 -69.6206 )
    Norm@50keV   : 0.182213    ( -0.0385058   0.0369154 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.99 using 59 PHA bins.
    # Reduced chi-squared =         0.8908 for     55 degrees of freedom 
    # Null hypothesis probability =   7.022690e-01
     
    Photon flux (15-150 keV)    in 27.23 sec: 0.187319 (    ) 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]    : 11.5135  (-2.81118  3.65067)
    R^2/D10^2   : 5.04414E-02  (-0.031791   0.0919744)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.04 using 59 PHA bins.
    # Reduced chi-squared =          1.071 for     57 degrees of freedom 
    # Null hypothesis probability =   3.330566e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.833e-08   1.459e-08
    25- 50  1.148e-07   3.460e-08
    50-150  8.892e-08   3.642e-08
    15-150  2.420e-07   6.825e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 98.7582       (-46.1202      -98.7582)
    Norm        : 0.824985       (-0.17039     0.259663)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          49.54 using 59 PHA bins.
    # Reduced chi-squared =         0.8692 for     57 degrees of freedom 
    # Null hypothesis probability =   7.480516e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.871e-08   1.430e-08
    25- 50  1.013e-07   2.428e-08
    50-150  1.629e-07   1.101e-07
    15-150  3.229e-07   1.420e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.06167        (-2.10229      2.59334)
    R1^2/D10^2  : 0.802845        (-0.63698      8.63746)
    kT2 [keV]   : 21.1330        (-6.81266      16.732)
    R2^2/D10^2  : 4.40826E-03    (-0.00374654   0.00712411)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.45 using 59 PHA bins.
    # Reduced chi-squared =         0.8809 for     55 degrees of freedom 
    # Null hypothesis probability =   7.214459e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.593e-08   3.699e-08
    25- 50  8.970e-08   4.858e-08
    50-150  1.752e-07   1.055e-07
    15-150  3.308e-07   1.754e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.120 sec. to    1.120 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.64863     ( -0.317629   0.333418 )
    Norm@50keV  : 7.41028E-03    ( -0.00151282   0.00147495 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.25 using 59 PHA bins.
    # Reduced chi-squared =         0.7587 for     57 degrees of freedom 
    # Null hypothesis probability =   9.107624e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.967164 ( -0.180306  0.180462 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.8928e-08 ( -1.46914e-08  1.50018e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.120 sec. to    1.120 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.38086     ( -1.49871   0.590239 )
    Epeak [keV] : 108.560      ( -108.563 -108.563 )
    Norm@50keV  : 1.03266E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.10 using 59 PHA bins.
    # Reduced chi-squared =         0.7696 for     56 degrees of freedom 
    # Null hypothesis probability =   8.967816e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.958684 ( -0.184547  0.092076 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.74751e-08 ( -1.63358e-08  1.6061e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.120 sec. to    1.120 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.995187   ( 0.996202   5.99462 )
    beta        : -1.83808    ( 1.84292   0.493082 )
    Epeak [keV] : 59.3419      ( -57.9794 -57.9794 )
    Norm@50keV   : 1.81908E-02    ( -0.0188201   692.299 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.95 using 59 PHA bins.
    # Reduced chi-squared =         0.7809 for     55 degrees of freedom 
    # Null hypothesis probability =   8.811445e-01
     
    Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.76739e-08 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 12.4613  (-2.73923  3.69367)
    R^2/D10^2   : 0.206563  (-0.125408   0.299944)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          50.29 using 59 PHA bins.
    # Reduced chi-squared =         0.8822 for     57 degrees of freedom 
    # Null hypothesis probability =   7.231759e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.800e-09   2.685e-09
    25- 50  2.235e-08   6.370e-09
    50-150  2.138e-08   9.935e-09
    15-150  5.053e-08   1.833e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 155.078       (-84.5504      -153.566)
    Norm        : 3.99224       (-0.786372     1.1056)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.11 using 59 PHA bins.
    # Reduced chi-squared =         0.7564 for     57 degrees of freedom 
    # Null hypothesis probability =   9.131386e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.022e-08   5.840e-09
    25- 50  1.904e-08   1.057e-08
    50-150  3.810e-08   2.335e-08
    15-150  6.736e-08   3.859e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.40161        (-3.86985      4.17392)
    R1^2/D10^2  : 0.972233        (-0.733168      1.16926)
    kT2 [keV]   : 28.4918        (-18.8632      -28.5175)
    R2^2/D10^2  : 7.69944E-03    (-0.00761409   0.0185779)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          43.10 using 59 PHA bins.
    # Reduced chi-squared =         0.7837 for     55 degrees of freedom 
    # Null hypothesis probability =   8.777055e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.004e-08   5.855e-09
    25- 50  1.984e-08   1.085e-08
    50-150  3.833e-08   2.274e-08
    15-150  6.822e-08   3.428e-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: 1.94320     ( -0.382779   0.423302 )
    Norm@50keV  : 1.59808E-03    ( -0.000431521   0.00040884 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.18 using 59 PHA bins.
    # Reduced chi-squared =         0.8101 for     57 degrees of freedom 
    # Null hypothesis probability =   8.467521e-01
     
    Photon flux (15-150 keV)    in 12.87 sec: 0.233664 ( -0.0475493  0.0475531 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.89235e-07 ( -4.71455e-08  4.92102e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.94768     ( -1.36187   1.42591 )
    Epeak [keV] : 383.406      (   )
    Norm@50keV  : 1.58563E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.18 using 59 PHA bins.
    # Reduced chi-squared =         0.8246 for     56 degrees of freedom 
    # Null hypothesis probability =   8.223967e-01
     
    Photon flux (15-150 keV)    in 12.87 sec: 0.233640 ( -0.047597  0.047511 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.88199e-07 ( -5.06846e-08  4.93873e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.69329   ( -4.69329   -4.69329 )
    beta        : -2.07875    ( -0.602708   0.454179 )
    Epeak [keV] : 22.0471      ( -22.0471 7.82845 )
    Norm@50keV   : 328.451    ( -66.6142   2.63587e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.83 using 59 PHA bins.
    # Reduced chi-squared =         0.8332 for     55 degrees of freedom 
    # Null hypothesis probability =   8.062104e-01
     
    Photon flux (15-150 keV)    in 12.87 sec:  (    ) 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)  = 9.57e-08
    S(50-100 keV) = 1.07e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 25.3719999194145 sec.
    Hardness ratio (energy fluence ratio) = 1.11808
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.18439
    Count Ratio (50-100 keV) / (15-25 keV) = 0.747285
    

    Mask shadow pattern

    IMX = 5.862015600200567E-01, IMY = 1.852211076233686E-03
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.024000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.024000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 1.024000
    

    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 -0.972000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.2653 -60.6190    1.6  13.3   77.3   1.5193   7.0    1.5	Cen X-3                       
    186.7263 -62.7563    1.3   5.2   75.2   1.8965   9.2    2.1	GX 301-2                      
    171.3987 -24.2229    2.6  42.4  133.3   3.0626   4.4 ------	UNKNOWN                       
    118.3039 -55.7435    2.4  38.8   53.2   2.6672   4.8 ------	UNKNOWN                       
    124.3455 -60.9452    2.8  33.0   49.8   1.5236   4.1 ------	UNKNOWN                       
    202.9550 -66.0706    2.3   3.9  -38.4   0.9405   5.0 ------	UNKNOWN                       
    248.4784 -47.3543    1.9  31.5 -104.3   1.9377   6.0 ------	UNKNOWN                       
    230.2174 -14.6761    2.3  53.0 -149.2   3.9125   5.0 ------	UNKNOWN                       
    238.8153 -28.9058    2.5  42.8 -132.0   2.1561   4.5 ------	UNKNOWN                       
    332.2565 -61.5810    3.2  51.0  -35.2   2.3430   3.6 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -0.972000 11.900600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.2867 -60.6119 1767.6  13.3   77.3   0.0002   0.0    1.1	Cen X-3                       
    186.7170 -62.9384    4.7   5.2   73.2   0.0954   2.4   10.2	GX 301-2                      
     76.6121 -84.7043    1.6  30.4   -0.2   0.3304   7.2 ------	UNKNOWN                       
    211.9591 -62.1576    2.4   6.4  -97.9   0.2003   4.9 ------	UNKNOWN                       
    224.0994 -12.0924    2.3  53.9 -157.2   0.6268   4.9 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    67.300600 833.300650
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.1692 -60.6055    2.0  30.2  171.7   3.3236   5.9    4.4	Cen X-3                       
    186.5867 -62.7756    1.2  29.5 -172.1   5.2455   9.7    1.9	GX 301-2                      
    160.3639 -59.5240    2.2  30.4  161.8   3.3423   5.2 ------	UNKNOWN                       
    280.2776 -57.6510    3.3  37.2  -90.3   4.7286   3.6 ------	UNKNOWN                       
    
    Plot creation:
    Sat May 30 20:46:32 EDT 2015