batgrbproduct Analysis for Trigger=261132

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 20 11:33:32 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger261132
======================================================================

  Trigger: 00261132      Segment: 000

  BAT Trigger Time: 193540217.92   [s; MET]
      Trigger Stop: 193540219.968   [s; MET]
               UTC: 2007-02-19T01:10:16.146540    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 260.198428896005   Dec: 69.3642687369038  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.61
     Image Trigger?:     NO
     Rate S/N Ratio:     14.5945195193264  [ if not an image trigger ]
     Image S/N Ratio:    7.61

  Flight Position:   [ source = BAT ]
    RA: 260.198428896005   Dec: 69.3642687369038  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 260.198339226429   Dec: 69.3540229151982  [deg; J2000]  
        { 17h 20m 47.6s , +69d 21' 14.5" }
         +/- 1.97146163235189 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.916287772057375 [arcmin] (formal 1-sigma fit error)
    SNR: 11.5343252863869
 
  Angular difference between Flight and Ground position is 0.614752 arcmin
 
  Partial Coding Fraction: 0.921875    [ including projection effects ]

  Duration
     T90: 18 +/- 4.47213595499958
        Measured from: -1.91999998688698
                   to: 16.080000013113     [s; relative to TRIGTIME]
     T50: 8 +/- 2.23606797749979
        Measured from: 1.08000001311302
                   to: 9.08000001311302     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.08000001311302     
                   to: 2.08000001311302     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.91999998688698     
                   to: 19.080000013113     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.230372   0.212262   0.134894   0.035122
           0.023403   0.024034   0.020431   0.017471 [error]
 Peak      0.029651   0.026813   0.013723   0.007442
           0.005344   0.005537   0.004683   0.003885 [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 6.09e-08 9.30e-08 1.06e-07 2.33e-07 3.30e-07 4.93e-07   erg/cm2
              Error 1.06e-08 1.04e-08 2.02e-08 9.10e-08 4.59e-08 1.10e-07   erg/cm2
Peak flux Power-law 2.74e-01 2.06e-01 1.03e-01 7.40e-02 6.17e-01 6.57e-01   ph/cm2/s
              Error 7.93e-02 4.21e-02 3.91e-02 5.45e-02 1.24e-01 1.37e-01   ph/cm2/s
 
Fluence   Cutoff-PL 6.15e-08 9.30e-08 1.05e-07 2.26e-07 3.29e-07 4.85e-07   erg/cm2
              Error 1.07e-08 1.05e-08 2.01e-08 1.45e-07 4.64e-08 1.42e-07   erg/cm2
Peak flux Cutoff-PL 2.76e-01 2.05e-01 1.01e-01 7.04e-02 6.17e-01 6.56e-01   ph/cm2/s
              Error 8.02e-02 4.64e-02 -------- 7.00e-02 1.24e-01 1.39e-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    1.805    0.221    -      -           1.71e-03 2.31e-04   59.520 57
CPL   2.024    0.000      10.3    0.0      1.32e-03 0.00e+00   59.460 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.996    0.431    -      -           4.12e-03 1.16e-03   64.300 57
CPL   2.061    0.775      32.2    0.0      3.72e-03 0.00e+00   64.240 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: 18.176000 sec.
T50 in the 50-300 keV band: 10.752000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   21.000   -1.920   19.080
T90    18.000   -1.920   16.080
T50     8.000    1.080    9.080
Peak    1.000    1.080    2.080
  • 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
      260.1983    69.3540   0.0166    14.3599   130.2724         0.5544809     11.534 TRIG_00261132                 
     
    Foreground time interval of the image:
     -1.920  19.080 (delta_t =  21.000 [sec])
    Background time interval of the image:
    -83.419  -1.920 (delta_t =  81.499 [sec])
    

    Lightcurves

    Notes:

    1 s binning

    From T0-310 s to T0+310 s
    From T100_start - 20 s to T100_end + 30 s
    Full time interval

    64 ms binning

    Full time interval
    From T100_start to T100_end
    From T0-5 sec to T0+5 sec

    16 ms binning

    From T100_start-5 s to T100_start+5 s
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    8 ms binning

    From T100_start-3 s to T100_start+3 s
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    2 ms binning

    From T100_start-1 s to T100_start+1 s
    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 2.048000
    

    SN=5 or 10 sec. binning (whichever binning is satisfied first)

    SN=5 or 10 sec. binning (T < 200 sec)

    Quad-rate summed light curves (from T0-300s to T0+1000s)

    Spectral Evolution

    Spectra

    Notes:

    Time averaged spectrum fit using the average DRM

    Power-law model
    Time interval is from   -1.920 sec. to   19.080 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.80522     ( -0.216196   0.225975 )
    Norm@50keV  : 1.70559E-03    ( -0.000234389   0.00022747 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.52 using 59 PHA bins.
    # Reduced chi-squared =          1.044 for     57 degrees of freedom 
    # Null hypothesis probability =   3.839680e-01
     
    Photon flux (15-150 keV)    in 21 sec: 0.235504 ( -0.0265501  0.0265638 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.29673e-07 ( -4.53909e-08  4.64123e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -1.920 sec. to   19.080 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.02358     (     )
    Epeak [keV] : 10.2558      (   )
    Norm@50keV  : 1.32003E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.46 using 59 PHA bins.
    # Reduced chi-squared =          1.062 for     56 degrees of freedom 
    # Null hypothesis probability =   3.508177e-01
     
    Photon flux (15-150 keV)    in 21 sec: 0.235544 ( -0.026644  0.026461 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.28717e-07 ( -4.61538e-08  4.66158e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -1.920 sec. to   19.080 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.45434   ( 1.44687   1.44687 )
    beta        : -1.80533    ( 1.80605   0.216742 )
    Epeak [keV] : 21.0277      ( -26.7141 -26.7141 )
    Norm@50keV   : 3.83320E-03    ( -0.00222524   0.308323 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.52 using 59 PHA bins.
    # Reduced chi-squared =          1.082 for     55 degrees of freedom 
    # Null hypothesis probability =   3.145291e-01
     
    Photon flux (15-150 keV)    in 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]    : 11.5602  (-1.8683  2.27422)
    R^2/D10^2   : 6.21607E-02  (-0.0296088   0.0570661)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          88.53 using 59 PHA bins.
    # Reduced chi-squared =          1.553 for     57 degrees of freedom 
    # Null hypothesis probability =   4.705147e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.675e-08   8.274e-09
    25- 50  1.106e-07   1.901e-08
    50-150  8.661e-08   2.449e-08
    15-150  2.340e-07   3.871e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 103.352       (-37.4701      93.5228)
    Norm        : 1.02578       (-0.153177     0.191533)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.58 using 59 PHA bins.
    # Reduced chi-squared =          1.080 for     57 degrees of freedom 
    # Null hypothesis probability =   3.156279e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.630e-08   9.230e-09
    25- 50  9.799e-08   1.415e-08
    50-150  1.618e-07   7.296e-08
    15-150  3.160e-07   8.358e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 4.62048        (-1.22147      1.60676)
    R1^2/D10^2  : 1.48065        (-1.03512      4.58671)
    kT2 [keV]   : 20.7566        (-4.74305      8.37602)
    R2^2/D10^2  : 6.17217E-03    (-0.00430204   0.0097074)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.55 using 59 PHA bins.
    # Reduced chi-squared =          1.065 for     55 degrees of freedom 
    # Null hypothesis probability =   3.464803e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.515e-08   3.299e-08
    25- 50  8.327e-08   3.131e-08
    50-150  1.743e-07   9.015e-08
    15-150  3.228e-07   1.428e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    1.080 sec. to    2.080 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.99615     ( -0.399458   0.462777 )
    Norm@50keV  : 4.12314E-03    ( -0.00120373   0.00112288 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.30 using 59 PHA bins.
    # Reduced chi-squared =          1.128 for     57 degrees of freedom 
    # Null hypothesis probability =   2.363403e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.617380 ( -0.124168  0.124172 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.8015e-08 ( -9.8406e-09  1.03591e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    1.080 sec. to    2.080 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.06071     ( -1.4962   0.0533208 )
    Epeak [keV] : 32.2053      (   )
    Norm@50keV  : 3.72323E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.24 using 59 PHA bins.
    # Reduced chi-squared =          1.147 for     56 degrees of freedom 
    # Null hypothesis probability =   2.100890e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.617408 ( -0.124528  0.123661 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.77837e-08 ( -1.00845e-08  1.04412e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    1.080 sec. to    2.080 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.54266   ( 1.54572   1.54572 )
    beta        : -1.98274    ( 1.98775   0.391372 )
    Epeak [keV] : 16.0552      ( -12.2041 -12.2041 )
    Norm@50keV   : 1.07922E-02    ( -0.011563   6.90778 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.31 using 59 PHA bins.
    # Reduced chi-squared =          1.169 for     55 degrees of freedom 
    # Null hypothesis probability =   1.828664e-01
     
    Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.6985e-08 ( -3.6978e-08  -3.6985e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 10.5180  (-2.8375  3.40507)
    R^2/D10^2   : 0.231544  (-0.148572   0.516743)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          73.21 using 59 PHA bins.
    # Reduced chi-squared =          1.284 for     57 degrees of freedom 
    # Null hypothesis probability =   7.278470e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.297e-09   2.564e-09
    25- 50  1.412e-08   5.464e-09
    50-150  8.514e-09   4.712e-09
    15-150  2.793e-08   1.109e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 70.8232       (-34.9998      122.386)
    Norm        : 3.00106       (-0.805853     1.34072)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.28 using 59 PHA bins.
    # Reduced chi-squared =          1.145 for     57 degrees of freedom 
    # Null hypothesis probability =   2.112100e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.709e-09   2.250e-09
    25- 50  1.230e-08   4.015e-09
    50-150  1.594e-08   1.214e-08
    15-150  3.595e-08   1.577e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 3.44608        (-2.64592      2.36269)
    R1^2/D10^2  : 15.4864        (-14.0134      2.33038e+07)
    kT2 [keV]   : 15.8477        (-4.96315      10.6636)
    R2^2/D10^2  : 4.17122E-02    (-0.0345255   0.135778)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.35 using 59 PHA bins.
    # Reduced chi-squared =          1.152 for     55 degrees of freedom 
    # Null hypothesis probability =   2.056126e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.688e-09   4.947e-09
    25- 50  1.056e-08   5.900e-09
    50-150  1.585e-08   1.011e-08
    15-150  3.510e-08   1.815e-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: 1.80522     ( -0.216196   0.225975 )
    Norm@50keV  : 1.70559E-03    ( -0.000234389   0.00022747 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.52 using 59 PHA bins.
    # Reduced chi-squared =          1.044 for     57 degrees of freedom 
    # Null hypothesis probability =   3.839680e-01
     
    Photon flux (15-150 keV)    in 21 sec: 0.235504 ( -0.0265501  0.0265638 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.29673e-07 ( -4.53909e-08  4.64123e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.02358     (     )
    Epeak [keV] : 10.2558      (   )
    Norm@50keV  : 1.32003E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.46 using 59 PHA bins.
    # Reduced chi-squared =          1.062 for     56 degrees of freedom 
    # Null hypothesis probability =   3.508177e-01
     
    Photon flux (15-150 keV)    in 21 sec: 0.235544 ( -0.026644  0.026461 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.28717e-07 ( -4.61538e-08  4.66158e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.45434   ( 1.44687   1.44687 )
    beta        : -1.80533    ( 1.80605   0.216742 )
    Epeak [keV] : 21.0277      ( -26.7141 -26.7141 )
    Norm@50keV   : 3.83320E-03    ( -0.00222524   0.308323 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.52 using 59 PHA bins.
    # Reduced chi-squared =          1.082 for     55 degrees of freedom 
    # Null hypothesis probability =   3.145291e-01
     
    Photon flux (15-150 keV)    in 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)  = 9.30e-08
    S(50-100 keV) = 1.06e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 18 sec.
    Hardness ratio (energy fluence ratio) = 1.13978
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.921388
    Count Ratio (50-100 keV) / (15-25 keV) = 0.585549
    

    Mask shadow pattern

    IMX = -1.654912484241922E-01, IMY = -1.953310178599256E-01
    

    TIME vs. PHA plot around the trigger time

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

    TIME vs. DetID plot around the trigger time

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

    100 us light curve (15-350 keV)

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

    Spacecraft aspect plot

    Bright source in the pre-burst/pre-slew/post-slew images

    Pre-burst image of 15-350 keV band

    Time interval of the image:
    -83.419410 -1.920000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.5487  35.1735    8.2  26.1   16.2  -0.1373  -1.4   11.1	Her X-1                       
    268.3083  -1.4102    4.9  58.6  -17.7  -1.2849  -2.4    4.4	SW J1753.5-0127               
    288.7639  10.9047    2.3  46.9  -44.0   1.3527   5.1    3.2	GRS 1915+105                  
    299.5749  35.2194    0.6  26.8  -73.1   2.3115  18.4    1.3	Cyg X-1                       
    308.0962  40.9716    1.6  26.0  -93.0   0.8575   7.3    1.3	Cyg X-3                       
    326.1791  38.3286   79.1  37.4 -109.1   0.0314   0.1    0.5	Cyg X-2                       
    263.1134  24.1479    2.2  34.0   -5.4   0.5564   5.3 ------	UNKNOWN                       
    256.8077   4.3892    1.9  54.6   -3.0   1.6922   6.1 ------	UNKNOWN                       
    296.7772  46.3833    2.2  16.4  -86.3   0.4752   5.2 ------	UNKNOWN                       
    308.0457  37.7277    1.8  28.4  -88.4   0.8713   6.5 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -1.920000 19.080000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.5912  35.1657    0.0  26.1   16.2   0.0386   0.7   12.5	Her X-1                       
    268.3580  -1.4132    4.3  58.6  -17.8   0.7737   2.7    2.4	SW J1753.5-0127               
    288.6975  10.9400   13.7  46.9  -43.9  -0.1256  -0.8    5.9	GRS 1915+105                  
    299.8442  35.1953    0.0  26.9  -73.5   0.1381   2.1   12.5	Cyg X-1                       
    308.0075  40.8333   11.7  26.0  -92.7   0.0675   1.0    8.5	Cyg X-3                       
    326.2367  38.4778    5.8  37.3 -109.3   0.2282   2.0    9.9	Cyg X-2                       
    260.2003  69.3543    1.0  14.4  130.3   0.5531  11.5 ------	UNKNOWN                       
    277.4047  13.6497    2.6  43.2  -28.7   0.3676   4.4 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    66.380600 962.131100
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.6279  35.3615    5.7  34.1  -12.7  -0.8979  -2.0    8.4	Her X-1                       
    299.6074  35.2056    0.8  40.3  -74.1  21.0199  15.2    0.9	Cyg X-1                       
    308.0207  40.9678    3.2  37.6  -87.3   5.5022   3.5    4.2	Cyg X-3                       
     46.0435  49.7755    3.2  58.3 -175.6  10.6944   3.6 ------	UNKNOWN                       
     23.7887  57.4179    2.6  46.9 -162.9   3.3471   4.4 ------	UNKNOWN                       
    259.9962  17.9218    2.9  51.4  -20.6   4.1150   4.0 ------	UNKNOWN                       
    300.3505  38.4930    4.2  37.5  -76.8   2.9960   2.7 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 10:52:32 EDT 2015