batgrbproduct analysis for trigger=1070298

batgrbproduct Analysis for Trigger=1070298

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Thu Aug 26 12:50:40 EDT 2021
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1070298/GCN5_download_cron
======================================================================

  Trigger: 01070298      Segment: 000

  BAT Trigger Time: 651567235.18   [s; MET]
      Trigger Stop: 651567235.196   [s; MET]
               UTC: 2021-08-25T06:53:27.570780    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 238.835961213482   Dec: -54.0702093582679  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.65
     Image Trigger?:     NO
     Rate S/N Ratio:     42.2255846614348  [ if not an image trigger ]
     Image S/N Ratio:    9.65

  Flight Position:   [ source = BAT ]
    RA: 238.835961213482   Dec: -54.0702093582679  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 238.827767980682   Dec: -54.0535258804215  [deg; J2000]  
        { 15h 55m 18.7s , -54d 03' 12.7" }
         +/- 2.08236783674387 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.659602847332371 [arcmin] (formal 1-sigma fit error)
    SNR: 10.6668530582881
 
  Angular difference between Flight and Ground position is 1.041760 arcmin
 
  Partial Coding Fraction: 0.3359375    [ including projection effects ]

  Duration
     T90: 0.0199999809265137 +/- 0.00894426338023564
        Measured from: 1.19209289550781e-07
                   to: 0.0200001001358032     [s; relative to TRIGTIME]
     T50: 0.0119999647140503 +/- 0.00400006771087646
        Measured from: 0.00400018692016602
                   to: 0.0160001516342163     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.485999941825867     
                   to: 0.514000058174133     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 0.0240000486373901     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.050356   0.042664   0.009027   0.000828
           0.006024   0.006003   0.003298   0.001347 [error]
 Peak      0.076375   0.045388   0.016188  -0.006686
           0.013055   0.012565   0.010187   0.008202 [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 1.75e-08 1.23e-08 5.72e-09 3.71e-09 3.73e-08 3.92e-08   erg/cm2
              Error 3.15e-09 2.18e-09 1.78e-09 2.01e-09 6.18e-09 6.86e-09   erg/cm2
Peak flux Power-law 8.46e-01 3.92e-01 1.10e-01 3.85e-02 1.37e+00 1.39e+00   ph/cm2/s
              Error 2.32e-01 1.19e-01 6.80e-02 4.83e-02 3.23e-01 3.30e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.66e-08 1.80e-08 4.23e-09 1.09e-10 3.89e-08 3.89e-08   erg/cm2
              Error 3.45e-09 3.84e-09 2.20e-09 3.50e-10 6.00e-09 6.00e-09   erg/cm2
Peak flux Cutoff-PL 8.26e-01 4.21e-01 1.04e-01 1.60e-02 1.36e+00 1.37e+00   ph/cm2/s
              Error 2.46e-01 1.48e-01 -------- 4.58e-02 3.21e-01 3.24e-01   ph/cm2/s
 
Fluence        Band 1.67e-08 1.74e-08 4.57e-09 1.63e-10 3.86e-08 3.88e-08   erg/cm2
              Error 3.43e-09 3.64e-09 -------- -------- -------- --------   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    3.107    0.283    -      -           1.23e-01 2.99e-02   33.120 57
CPL   0.111    1.964      22.5   10.9      1.04e+01 1.76e+02   22.310 56
 
The chi2 of BB fit is 24.23 which shows a significant improvement in the fit over a PL.
Check the BB fit.
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.835    0.608    -      -           5.60e-03 2.69e-03   69.180 57
CPL   1.910    0.000       3.6    0.0      2.14e-02 0.00e+00   68.930 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    0.024    0.000    0.024
T90     0.020    0.000    0.020
T50     0.012    0.004    0.016
Peak    1.000   -0.486    0.514
  • Click here for the BAT GCN circular template
  • Estimated redshift from machine learning (Ukwatta et al. 2016) - may take a few minutes to calcaulte

    Image

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

    #   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
      238.8278 -54.0535 0.0179   32.8  125.9       0.1033    10.7  TRIG_01070298       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.000   0.024 (delta_t =   0.024 [sec])
    Background time interval of the image:
    -239.180   0.000 (delta_t = 239.180 [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 0.016000
    

    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 0.016000
    

    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 0.016000
    

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

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

    Spectra

    Notes:

    Time averaged spectrum fit using the pre-slew DRM

    Power-law model
    Time interval is from    0.000 sec. to    0.024 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 3.10749     ( -0.263409   0.301708 )
    Norm@50keV  : 0.122909    ( -0.0301097   0.0297133 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          33.12 using 59 PHA bins.
    # Reduced chi-squared =         0.5810 for     57 degrees of freedom 
    # Null hypothesis probability =   9.952465e-01
     
    Photon flux (15-150 keV)    in 0.024 sec: 36.5897 ( -5.86673  5.86889 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.73094e-08 ( -6.16867e-09  6.18874e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to    0.024 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.110761     ( -2.28678   1.64196 )
    Epeak [keV] : 22.4981      ( -15.9302 5.80983 )
    Norm@50keV  : 10.4133    ( -10.5597   341.93 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          22.31 using 59 PHA bins.
    # Reduced chi-squared =         0.3984 for     56 degrees of freedom 
    # Null hypothesis probability =   9.999839e-01
     
    Photon flux (15-150 keV)    in 0.024 sec: 38.2683 ( -5.9878  5.9861 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.8922e-08 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to    0.024 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.109565   ( -1.30424   4.85986 )
    beta        : -10.0000    ( 10   1.06581e-14 )
    Epeak [keV] : 22.4934      ( -6.99469 5.81775 )
    Norm@50keV   : 10.5043    ( -10.5043   314.382 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          22.31 using 59 PHA bins.
    # Reduced chi-squared =         0.4056 for     55 degrees of freedom 
    # Null hypothesis probability =   9.999742e-01
     
    Photon flux (15-150 keV)    in 0.024 sec: 38.2902 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.86338e-08 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 6.76823  (-0.814952  0.849171)
    R^2/D10^2   : 90.3690  (-38.459   69.48)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          24.23 using 59 PHA bins.
    # Reduced chi-squared =         0.4252 for     57 degrees of freedom 
    # Null hypothesis probability =   9.999579e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.539e-08   3.725e-09
    25- 50  1.973e-08   4.480e-09
    50-150  2.890e-09   1.350e-09
    15-150  3.801e-08   7.248e-09
    
    Thermal bremsstrahlung (OTTB)
    XSPEC12>exit
     XSPEC: quit
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 21.2301       (-4.085      4.86619)
    Norm        : 446.443       (-117.818     158.937)
    ------------------------------------------------------------
     Reduced chi-squared = 
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.745e-08   3.217e-09
    25- 50  1.598e-08   2.986e-09
    50-150  5.283e-09   2.245e-09
    15-150  3.872e-08   6.768e-09
    
    Double BB
    XSPEC12>exit
     XSPEC: quit
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 4.94363        (-4.94363      -4.94363)
    R1^2/D10^2  : 210.905        (-210.905      -210.905)
    kT2 [keV]   : 9.10961        (-2.76543      -9.10961)
    R2^2/D10^2  : 12.3569    (-12.3569   110.818)
    ------------------------------------------------------------
     Reduced chi-squared = 
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.658e-08   1.009e-08
    25- 50  1.791e-08   1.073e-08
    50-150  4.421e-09   2.692e-09
    15-150  3.891e-08   2.267e-08
    

    Peak spectrum fit

    Power-law model
    Time interval is from   -0.486 sec. to    0.514 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.83510     ( -0.516235   0.698834 )
    Norm@50keV  : 5.60166E-03    ( -0.00266747   0.00271638 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.18 using 59 PHA bins.
    # Reduced chi-squared =          1.214 for     57 degrees of freedom 
    # Null hypothesis probability =   1.293648e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.37014 ( -0.322758  0.322995 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.26903e-08 ( -1.8425e-08  1.97504e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.486 sec. to    0.514 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.91007     (     )
    Epeak [keV] : 3.56801      (   )
    Norm@50keV  : 2.14116E-02    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.93 using 59 PHA bins.
    # Reduced chi-squared =          1.231 for     56 degrees of freedom 
    # Null hypothesis probability =   1.149973e-01
     
    Photon flux (15-150 keV)    in 1 sec: 1.36344 ( -0.32032  0.32097 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.10352e-08 ( -1.77106e-08  2.02345e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.486 sec. to    0.514 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.94530   ( -5.29532   1.92643 )
    beta        : -10.0000    ( 10   1.77636e-15 )
    Epeak [keV] : 2.26856      ( -0.902682 27.3111 )
    Norm@50keV   : 2.02756E-02    ( -0.00906532   0.0754287 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.91 using 59 PHA bins.
    # Reduced chi-squared =          1.253 for     55 degrees of freedom 
    # Null hypothesis probability =   9.832086e-02
     
    Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    
    Single BB
     XSPEC: quit
     
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 6.50638  (-2.20979  2.51672)
    R^2/D10^2   : 3.44853  (-2.54102   18.1462)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
     Reduced chi-squared = 
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.160e-08   1.222e-08
    25- 50  2.556e-08   1.226e-08
    50-150  3.227e-09   2.518e-09
    15-150  5.039e-08   2.982e-08
    
    Thermal bremsstrahlung (OTTB)
    XSPEC12>exit
     XSPEC: quit
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 25.1368       (-11.0165      19.6505)
    Norm        : 13.0187       (-5.49738     12.9721)
    ------------------------------------------------------------
     Reduced chi-squared = 
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.393e-08   8.465e-09
    25- 50  2.461e-08   1.062e-08
    50-150  1.055e-08   8.195e-09
    15-150  5.909e-08   2.331e-08
    
    Double BB
    XSPEC12>exit
     XSPEC: quit
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 2.93362        (-1.77003      1.9616)
    R1^2/D10^2  : 109.985        (-101.15      198140)
    kT2 [keV]   : 10.9769        (-3.87068      6.75864)
    R2^2/D10^2  : 0.283668    (-0.246622   1.68612)
    ------------------------------------------------------------
     Reduced chi-squared = 
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.501e-08   1.389e-08
    25- 50  2.254e-08   1.272e-08
    50-150  1.368e-08   9.685e-09
    15-150  6.123e-08   3.198e-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: 3.10749     ( -0.263409   0.301708 )
    Norm@50keV  : 0.122909    ( -0.0301097   0.0297133 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          33.12 using 59 PHA bins.
    # Reduced chi-squared =         0.5810 for     57 degrees of freedom 
    # Null hypothesis probability =   9.952465e-01
     
    Photon flux (15-150 keV)    in 0.024 sec: 36.5897 ( -5.86673  5.86889 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.73094e-08 ( -6.16867e-09  6.18874e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.110761     ( -2.28678   1.64196 )
    Epeak [keV] : 22.4981      ( -15.9302 5.80983 )
    Norm@50keV  : 10.4133    ( -10.5597   341.93 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          22.31 using 59 PHA bins.
    # Reduced chi-squared =         0.3984 for     56 degrees of freedom 
    # Null hypothesis probability =   9.999839e-01
     
    Photon flux (15-150 keV)    in 0.024 sec: 38.2683 ( -5.9878  5.9861 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.8922e-08 ( 0  0 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.109565   ( -1.30424   4.85986 )
    beta        : -10.0000    ( 10   1.06581e-14 )
    Epeak [keV] : 22.4934      ( -6.99472 5.81775 )
    Norm@50keV   : 10.5043    ( -10.5043   314.69 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          22.31 using 59 PHA bins.
    # Reduced chi-squared =         0.4056 for     55 degrees of freedom 
    # Null hypothesis probability =   9.999742e-01
     
    Photon flux (15-150 keV)    in 0.024 sec: 38.2902 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.86338e-08 ( 0  0 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 1.23e-08
    S(50-100 keV) = 5.72e-09
    

    T90 vs. Hardness ratio plot

    T90                                   = 0.0199999809265137 sec.
    Hardness ratio (energy fluence ratio) = 0.465041
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.847248
    Count Ratio (50-100 keV) / (15-25 keV) = 0.179264
    

    Mask shadow pattern

    IMX = -3.780307197302604E-01, IMY = -5.227160418476435E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.016000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.016000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.016000
    

    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:
    -239.180000 0.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.0952 -60.5651    3.8  39.0 -171.5   1.1859   3.0    7.4	Cen X-3                       
    186.9814 -62.6906   14.3  35.0  176.5   0.2932   0.8   10.1	GX 301-2                      
    244.9851 -15.6238    1.1  37.4   55.9   6.5531  10.1    1.0	Sco X-1                       
    256.1516 -37.7075   66.8  40.7   94.4  -0.1793  -0.2   11.3	4U 1700-377                   
    221.1411 -32.2005    2.4  12.0   83.1   1.2623   4.8 ------	UNKNOWN                       
    209.7744 -54.6829    1.9  24.5  156.9   1.7257   6.2 ------	UNKNOWN                       
    210.9121  13.3790    2.7  43.8  -14.5   1.6935   4.3 ------	UNKNOWN                       
    209.1278  29.1420    4.1  59.5  -17.8   4.6392   2.8 ------	UNKNOWN                       
    129.1436 -52.9112    3.0  59.4 -156.3   8.0830   3.9 ------	UNKNOWN                       
    163.4142 -22.1876    2.6  39.9 -108.7   4.0076   4.4 ------	UNKNOWN                       
    

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

    Time interval of the image:
    0.000000 0.024000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.2693 -60.7163    4.1  39.0 -171.7  -0.0154  -2.8    5.8	Cen X-3                       
    186.7884 -62.8963    7.3  35.2  176.5  -0.0086  -1.6    8.4	GX 301-2                      
    245.0124 -15.6840   13.5  37.4   56.0  -0.0105  -0.9    3.2	Sco X-1                       
    255.7895 -37.8112    4.3  40.4   94.5  -0.0659  -2.7    9.5	4U 1700-377                   
    238.8278 -54.0535    1.1  32.8  125.9   0.1033  10.7 ------	UNKNOWN                       
    213.2809 -18.3888    2.1  13.1    6.3   0.0213   5.4 ------	UNKNOWN                       
    201.6586 -29.0016    2.8   5.1  -96.4   0.0155   4.1 ------	UNKNOWN                       
    208.5095  27.3933    1.9  57.7  -18.4   0.0721   6.0 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    64.020590 342.290000
    343.820000 428.340000
    434.820000 461.890000
    468.820000 491.200000
    491.820000 551.030000
    551.820000 591.340000
    592.820000 623.410000
    624.820000 962.824600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    170.4756 -60.4518   10.1  35.8 -138.9  -1.4789  -1.1   11.3	Cen X-3                       
    186.7873 -62.7176    6.5  27.7 -139.5   1.7151   1.8    4.8	GX 301-2                      
    244.9916 -15.6318    0.5  38.7   -0.9  23.1937  22.3    0.9	Sco X-1                       
    255.9474 -37.8799    3.0  20.0   32.5   3.0528   3.8    2.8	4U 1700-377                   
    256.3770 -36.4427    4.5  21.4   31.3   2.0369   2.6    3.1	GX 349+2                      
    263.1621 -24.7751    5.1  34.4   31.0   2.4369   2.3    8.5	GX 1+4                        
    264.6919 -44.4410    4.4  19.3   60.3   2.4332   2.6    2.3	4U 1735-44                    
    270.4460 -25.1016    3.2  37.2   41.2   4.4144   3.7    8.9	GX 5-1                        
    270.3128 -25.7687    2.4  36.6   41.6   5.8481   4.8    1.6	GRS 1758-258                  
    274.1369 -14.1031    8.4  48.6   38.0  -3.5971  -1.4    8.6	GX 17+2                       
    276.1144 -30.4009   18.4  35.7   53.2  -0.9182  -0.6   10.0	H1820-303                     
    263.1489 -33.7766    8.9  26.5   39.6   1.2285   1.3    8.7	GX 354-0                      
    230.3539  -8.1016    2.7  46.4  -22.1   6.2371   4.3 ------	UNKNOWN                       
    166.1265 -45.8489    2.5  45.4 -121.3  16.3582   4.6 ------	UNKNOWN                       
    
    Plot creation:
    Thu Aug 26 12:57:02 EDT 2021