batgrbproduct Analysis for Trigger=501485

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Aug 27 02:08:37 EDT 2011
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger501485/GCN5_download_cron
======================================================================

  Trigger: 00501485      Segment: 000

  BAT Trigger Time: 336040216   [s; MET]
      Trigger Stop: 336040280   [s; MET]
               UTC: 2011-08-26T08:30:08.700600    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 264.164985090561   Dec: -27.3749846904929  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    6.59
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    6.59

  Flight Position:   [ source = BAT ]
    RA: 264.164985090561   Dec: -27.3749846904929  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 264.121191670142   Dec: -27.3172495932002  [deg; J2000]  
        { 17h 36m 29.1s , -27d 19' 02.1" }
         +/- 3.90753598731594 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.39952653137379 [arcmin] (formal 1-sigma fit error)
    SNR: 4.34052922877921
 
  Angular difference between Flight and Ground position is 4.177011 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.189907   0.183517   0.016685   0.007059
           0.044905   0.041298   0.036330   0.034412 [error]
 Peak      0.189907   0.183517   0.016685   0.007059
           0.044905   0.041298   0.036330   0.034412 [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 5.05e-08 5.80e-08 4.79e-08 6.62e-08 1.80e-07 2.23e-07   erg/cm2
              Error 1.75e-08 1.85e-08 2.74e-08 8.42e-08 6.65e-08 1.14e-07   erg/cm2
Peak flux Power-law 2.62e-02 1.67e-02 6.89e-03 3.86e-03 5.18e-02 5.37e-02   ph/cm2/s
              Error 9.24e-03 5.20e-03 3.82e-03 4.62e-03 1.51e-02 1.59e-02   ph/cm2/s
 
Fluence   Cutoff-PL 4.92e-08 7.76e-08 6.12e-09 2.02e-12 1.33e-07 1.33e-07   erg/cm2
              Error 2.06e-08 2.83e-08 1.69e-08 1.27e-09 4.16e-08 4.16e-08   erg/cm2
Peak flux Cutoff-PL 2.43e-02 2.33e-02 1.07e-03 1.90e-07 4.87e-02 4.87e-02   ph/cm2/s
              Error 1.07e-02 7.86e-03 2.64e-03 1.09e-04 1.39e-02 1.39e-02   ph/cm2/s
 
Fluence        Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 3.48e-02 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.277    0.561    -      -           3.00e-04 1.29e-04   52.800 57
CPL  -4.761    0.250      28.3    5.8      2.34e+01 0.00e+00   46.780 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.277    0.561    -      -           3.00e-04 1.29e-04   52.800 57
CPL  -4.761    0.250      28.3    5.8      2.34e+01 0.00e+00   46.780 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   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000
  • Click here for the BAT GCN circular template

    Image

    Pre-slew 15-350 keV image (Event data; bkg subtracted)

    #   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
      264.1212 -27.3172 0.0440    3.5  -47.7       0.3879     4.3  TRIG_00501485       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.000  49.210 (delta_t =  49.210 [sec])
     50.000  64.000 (delta_t =  14.000 [sec])
    Background time interval of the image:
    

    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)

    The mask-weighted light curves based on cleaned DPHs

    Spectra

    Notes:

    Time averaged spectrum fit using the pre-slew DRM

    Power-law model
    Multiple GTIs in the spectrum
    tstart tstop
    0.000000 49.210000
    50.000000 64.000000
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.27690     ( -0.518346   0.603506 )
    Norm@50keV  : 3.00048E-04    ( -0.000127572   0.000130351 )
    ------------------------------------------------------------
    # Chi-Squared =          52.80 using 59 PHA bins.
    # Reduced chi-squared =         0.9262 for     57 degrees of freedom 
    # Null hypothesis probability =   6.334541e-01
     
    Photon flux (15-150 keV)    in 63.21 sec: 5.17673E-02 ( -0.0150574  0.0150871 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.80398e-07 ( -6.30402e-08  7.0031e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Multiple GTIs in the spectrum
    tstart tstop
    0.000000 49.210000
    50.000000 64.000000
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -4.76139     ( 3.44898   3.94805 )
    Epeak [keV] : 28.3296      ( -5.56201 5.95468 )
    Norm@50keV  : 23.3970    (     )
    ------------------------------------------------------------
    # Chi-Squared =          46.78 using 59 PHA bins.
    # Reduced chi-squared =         0.8354 for     56 degrees of freedom 
    # Null hypothesis probability =   8.050863e-01
     
    Photon flux (15-150 keV)    in 63.21 sec: 4.87043E-02 ( -0.0138295  0.0140019 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.32889e-07 ( -3.93141e-08  4.38551e-08 ) ergs/cm2
     
    
    Band function
    Multiple GTIs in the spectrum
    tstart tstop
    0.000000 49.210000
    50.000000 64.000000
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.94271   ( -45.2772   -35.3242 )
    beta        : -9.37023    ( 9.99772   19.9906 )
    Epeak [keV] : 28.3679      ( -4.56119 5.28946 )
    Norm@50keV   : 31.2373    ( -14.374   27.0311 )
    ------------------------------------------------------------
    # Chi-Squared =          46.78 using 59 PHA bins.
    # Reduced chi-squared =         0.8505 for     55 degrees of freedom 
    # Null hypothesis probability =   7.771203e-01
     
    Photon flux (15-150 keV)    in 63.21 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]    : 7.18279  (-1.49201  1.92184)
    R^2/D10^2   : 9.66996E-02  (-0.0611319   0.156423)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    # Chi-Squared =          47.57 using 59 PHA bins.
    # Reduced chi-squared =         0.8345 for     57 degrees of freedom 
    # Null hypothesis probability =   8.089852e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.199e-08   2.644e-08
    25- 50  7.482e-08   4.510e-08
    50-150  1.360e-08   1.054e-08
    15-150  1.404e-07   8.552e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 33.1446       (-14.8155      41.7653)
    Norm        : 0.392414       (-0.168284     0.30516)
    ------------------------------------------------------------
    # Chi-Squared =          50.82 using 59 PHA bins.
    # Reduced chi-squared =         0.8915 for     57 degrees of freedom 
    # Null hypothesis probability =   7.048946e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.294e-08   2.551e-08
    25- 50  6.377e-08   3.554e-08
    50-150  3.965e-08   3.241e-08
    15-150  1.564e-07   9.262e-08
    
    Double BB
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 199.954        (      )
    R1^2/D10^2  : 1.91185E-06        (-1.91082e-06      6.00218e-06)
    kT2 [keV]   : 7.02629        (-7.02636      1.94074)
    R2^2/D10^2  : 0.103926    (-0.0663065   0.172963)
    ------------------------------------------------------------
    # Chi-Squared =          47.57 using 59 PHA bins.
    # Chi-Squared =          47.25 using 59 PHA bins.
    # Reduced chi-squared =         0.8649 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8591 for     55 degrees of freedom 
    # Null hypothesis probability =   7.513747e-01
    # Null hypothesis probability =   7.619013e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.216e-08   2.470e-02
    25- 50  7.466e-08   1.977e-01
    50-150  1.346e-08   5.009e+00
    15-150  1.403e-07   5.373e+00
    

    Peak spectrum fit

    Power-law model
    Time interval is from   50.000 sec. to   64.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.27690     ( -0.518346   0.603506 )
    Norm@50keV  : 3.00048E-04    ( -0.000127572   0.000130351 )
    ------------------------------------------------------------
    # Chi-Squared =          52.80 using 59 PHA bins.
    # Reduced chi-squared =         0.9262 for     57 degrees of freedom 
    # Null hypothesis probability =   6.334541e-01
     
    Photon flux (15-150 keV)    in 63.21 sec: 5.17673E-02 ( -0.0150574  0.0150871 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.80398e-07 ( -6.30402e-08  7.0031e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   50.000 sec. to   64.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -4.76139     ( 3.44898   3.94805 )
    Epeak [keV] : 28.3296      ( -5.56201 5.95468 )
    Norm@50keV  : 23.3970    (     )
    ------------------------------------------------------------
    # Chi-Squared =          46.78 using 59 PHA bins.
    # Reduced chi-squared =         0.8354 for     56 degrees of freedom 
    # Null hypothesis probability =   8.050863e-01
     
    Photon flux (15-150 keV)    in 63.21 sec: 4.87043E-02 ( -0.0138295  0.0140019 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.32889e-07 ( -3.93141e-08  4.38551e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   50.000 sec. to   64.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.94271   ( -45.3224   -35.3242 )
    beta        : -9.37023    ( 9.99772   19.9906 )
    Epeak [keV] : 28.3679      ( -4.56119 5.28946 )
    Norm@50keV   : 31.2373    ( -14.374   27.0311 )
    ------------------------------------------------------------
    # Chi-Squared =          46.78 using 59 PHA bins.
    # Reduced chi-squared =         0.8505 for     55 degrees of freedom 
    # Null hypothesis probability =   7.771203e-01
     
    Photon flux (15-150 keV)    in 63.21 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]    : 7.18279  (-1.49201  1.92184)
    R^2/D10^2   : 9.66996E-02  (-0.0611319   0.156423)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    # Chi-Squared =          47.57 using 59 PHA bins.
    # Reduced chi-squared =         0.8345 for     57 degrees of freedom 
    # Null hypothesis probability =   8.089852e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.199e-08   3.095e-08
    25- 50  7.482e-08   4.627e-08
    50-150  1.360e-08   1.127e-08
    15-150  1.404e-07   8.755e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 33.1446       (-14.8155      41.7653)
    Norm        : 0.392414       (-0.168284     0.30516)
    ------------------------------------------------------------
    # Chi-Squared =          50.82 using 59 PHA bins.
    # Reduced chi-squared =         0.8915 for     57 degrees of freedom 
    # Null hypothesis probability =   7.048946e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.294e-08   2.563e-08
    25- 50  6.377e-08   3.820e-08
    50-150  3.965e-08   3.373e-08
    15-150  1.564e-07   8.763e-08
    
    Double BB
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 199.954        (      )
    R1^2/D10^2  : 1.91185E-06        (-1.91082e-06      6.00218e-06)
    kT2 [keV]   : 7.02629        (-7.02636      1.94074)
    R2^2/D10^2  : 0.103926    (-0.0663065   0.172963)
    ------------------------------------------------------------
    # Chi-Squared =          47.57 using 59 PHA bins.
    # Chi-Squared =          47.25 using 59 PHA bins.
    # Reduced chi-squared =         0.8649 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8591 for     55 degrees of freedom 
    # Null hypothesis probability =   7.513747e-01
    # Null hypothesis probability =   7.619013e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.216e-08   2.379e-02
    25- 50  7.466e-08   1.856e-01
    50-150  1.346e-08   4.491e+00
    15-150  1.403e-07   5.019e+00
    

    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: 2.27690     ( -0.518346   0.603506 )
    Norm@50keV  : 3.00048E-04    ( -0.000127572   0.000130351 )
    ------------------------------------------------------------
    # Chi-Squared =          52.80 using 59 PHA bins.
    # Reduced chi-squared =         0.9262 for     57 degrees of freedom 
    # Null hypothesis probability =   6.334541e-01
     
    Photon flux (15-150 keV)    in 63.21 sec: 5.17673E-02 ( -0.0150574  0.0150871 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.80398e-07 ( -6.30402e-08  7.0031e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -4.76139     ( 3.44898   3.94805 )
    Epeak [keV] : 28.3296      ( -5.56201 5.95468 )
    Norm@50keV  : 23.3970    (     )
    ------------------------------------------------------------
    # Chi-Squared =          46.78 using 59 PHA bins.
    # Reduced chi-squared =         0.8354 for     56 degrees of freedom 
    # Null hypothesis probability =   8.050863e-01
     
    Photon flux (15-150 keV)    in 63.21 sec: 4.87043E-02 ( -0.0138295  0.0140019 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.32889e-07 ( -3.93141e-08  4.38551e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.94271   ( -45.3225   -35.3242 )
    beta        : -9.37023    ( 9.99772   19.9906 )
    Epeak [keV] : 28.3679      ( -4.56119 5.28946 )
    Norm@50keV   : 31.2373    ( -14.374   27.0311 )
    ------------------------------------------------------------
    # Chi-Squared =          46.78 using 59 PHA bins.
    # Reduced chi-squared =         0.8505 for     55 degrees of freedom 
    # Null hypothesis probability =   7.771203e-01
     
    Photon flux (15-150 keV)    in 63.21 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)  = 5.80257e-08
    S(50-100 keV) = 4.78532e-08
    

    T90 vs. Hardness ratio plot

    T90                                   = 64 sec.
    Hardness ratio (energy fluence ratio) = 0.82469
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.966352
    Count Ratio (50-100 keV) / (15-25 keV) = 0.0878588
    

    Mask shadow pattern

    IMX = 4.162656584294525E-02, IMY = 4.574294596696297E-02
    

    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:
     
    

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

    Time interval of the image:
    0.000000 49.210000
    50.000000 64.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    244.9756 -15.6336    0.5  24.8  -52.3   2.4630  24.9    0.5	Sco X-1                       
    256.0715 -37.8312    2.8  12.7 -125.9   0.3515   4.1    4.1	4U 1700-377                   
    256.3297 -36.4600    4.4  11.8 -121.3   0.2263   2.6    5.6	GX 349+2                      
    262.8329 -24.6149    8.7   6.2  -33.3   0.1148   1.3   12.4	GX 1+4                        
    264.7070 -44.3082    3.9  15.2 -163.3   0.2417   2.9    8.6	4U 1735-44                    
    268.4358  -1.3545    6.6  28.0   11.2   0.1807   1.7    7.2	SW J1753.5-0127               
    270.1346 -25.1697    4.3   4.8   39.8   0.2377   2.9    9.8	GX 5-1                        
    270.1765 -25.6678    5.5   4.4   43.4   0.2248   2.7    8.2	GRS 1758-258                  
    274.1872 -14.1544    0.0  16.4   32.9   0.1675   2.0   12.7	GX 17+2                       
    275.7806 -30.4925    7.1   7.3  110.6  -0.1291  -1.6   10.6	H1820-303                     
    285.1199 -24.9060    7.6  16.3   87.7   0.1521   1.5    4.6	HT1900.1-2455                 
    288.7343  10.8921    3.0  45.1   39.3   1.1213   3.9    5.0	GRS 1915+105                  
    269.7201   4.8130    2.6  34.2   13.2   0.4852   4.4 ------	UNKNOWN                       
    250.1444  15.1024    2.5  47.4  -13.8   0.7339   4.7 ------	UNKNOWN                       
    247.2337 -58.3321    2.2  32.2 -151.0   0.5154   5.1 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    97.900590 100.170000
    101.000000 138.540000
    140.000000 276.010000
    277.000000 286.560000
    288.000000 420.770000
    421.000000 641.810000
    643.000000 825.700000
    827.000000 963.103600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    244.9820 -15.6434    0.2  21.3  -61.0  30.4172  49.8    0.2	Sco X-1                       
    255.9929 -37.8544    2.4  12.5 -149.3   2.4490   4.8    0.7	4U 1700-377                   
    256.4900 -36.4716    2.1  11.2 -146.9   2.8595   5.6    3.9	GX 349+2                      
    263.1717 -24.8733    7.7   2.6  -20.5   0.8837   1.5   11.7	GX 1+4                        
    264.6125 -44.5998   14.0  17.2  178.5   0.3987   0.8   10.6	4U 1735-44                    
    268.4543  -1.4869    2.7  26.2    9.3   2.4699   4.2    5.6	SW J1753.5-0127               
    270.1921 -25.0350    3.5   5.9   67.5   1.5627   3.4    5.7	GX 5-1                        
    270.3817 -25.8447    4.4   5.8   75.6   1.2470   2.6    7.4	GRS 1758-258                  
    273.9556 -14.0356    2.5  16.2   35.9   2.5445   4.6    2.9	GX 17+2                       
    275.9032 -30.2625    3.5  10.7  108.0   1.7042   3.3    6.4	H1820-303                     
    285.0716 -24.7721    4.2  18.9   86.4   1.6721   2.8    9.1	HT1900.1-2455                 
    288.8280  10.9370    1.5  45.2   34.8  10.8366   7.5    1.8	GRS 1915+105                  
    315.9607 -49.0816    3.7  45.0  132.8   7.7647   3.2 ------	UNKNOWN                       
    277.3997 -23.7986    2.2  12.4   75.8   2.9521   5.3 ------	UNKNOWN                       
    278.4159 -81.4522    4.5  54.4  176.9   6.1552   2.6 ------	UNKNOWN                       
    243.1509 -52.4674    1.8  29.6 -154.2   3.5521   6.3 ------	UNKNOWN                       
    255.4103  29.5264    2.8  57.5   -9.5  10.3701   4.1 ------	UNKNOWN                       
    208.7714 -78.4200    2.6  56.5 -169.1  10.1468   4.5 ------	UNKNOWN                       
    241.3289 -40.5445    2.0  23.0 -131.4   2.8142   5.8 ------	UNKNOWN                       
    
    Plot creation:
    Sat Aug 27 02:27:56 EDT 2011