batgrbproduct Analysis for Trigger=617110

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Nov 19 23:10:42 EST 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger617110
======================================================================

  Trigger: 00617110      Segment: 000

  BAT Trigger Time: 436432719.424   [s; MET]
      Trigger Stop: 436432721.472   [s; MET]
               UTC: 2014-10-31T07:18:26.698680    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 128.599081849205   Dec: -59.1379265592003  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    8.53
     Image Trigger?:     NO
     Rate S/N Ratio:     16.062378404209  [ if not an image trigger ]
     Image S/N Ratio:    8.53

  Flight Position:   [ source = BAT ]
    RA: 128.599081849205   Dec: -59.1379265592003  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 128.632848314306   Dec: -59.1609031061606  [deg; J2000]  
        { 08h 34m 31.9s , -59d 09' 39.3" }
         +/- 1.43236668345039 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.504160713690341 [arcmin] (formal 1-sigma fit error)
    SNR: 18.2047111740119
 
  Angular difference between Flight and Ground position is 1.726236 arcmin
 
  Partial Coding Fraction: 0.3203125    [ including projection effects ]

  Duration
     T90: 464 +/- 472.271108580654
        Measured from: -18.4240000247955
                   to: 445.575999975204     [s; relative to TRIGTIME]
     T50: 448 +/- 930.892045298487
        Measured from: -18.4240000247955
                   to: 429.575999975204     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 5.07599997520447     
                   to: 6.07599997520447     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -18.4240000247955     
                   to: 893.575999975204     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.386964   1.763288   1.611650   0.438204
           0.183519   0.186530   0.158137   0.134666 [error]
 Peak      0.029756   0.015967   0.016462   0.016233
           0.010248   0.010855   0.009647   0.007344 [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 3.67e-07 7.65e-07 1.25e-06 4.57e-06 3.45e-06 6.95e-06   erg/cm2
              Error 7.21e-08 8.86e-08 1.52e-07 1.27e-06 3.80e-07 1.36e-06   erg/cm2
Peak flux Power-law 1.87e-01 2.00e-01 1.52e-01 1.89e-01 6.12e-01 7.29e-01   ph/cm2/s
              Error 1.44e-01 9.61e-02 7.40e-02 2.11e-01 2.58e-01 2.95e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.67e-07 7.66e-07 1.25e-06 4.53e-06 3.45e-06 6.92e-06   erg/cm2
              Error 3.98e-08 9.21e-08 1.56e-07 1.61e-06 3.82e-07 1.59e-06   erg/cm2
Peak flux Cutoff-PL 2.00e-01 2.05e-01 1.48e-01 1.72e-01 6.19e-01 7.29e-01   ph/cm2/s
              Error 1.43e-01 9.70e-02 7.56e-02 2.35e-01 2.60e-01 5.09e-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    1.296    0.183    -      -           3.83e-04 3.84e-05   56.400 57
CPL   1.297    0.384    9999.4    0.0      3.84e-04 3.52e-04   56.410 56
 
The chi2 of BB fit is -------- 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    1.394    0.827    -      -           5.03e-03 2.02e-03   57.880 57
CPL   3.399    0.000     368.2    0.0      5.14e-04 0.00e+00   57.740 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: 888.576000 sec.
T50 in the 50-300 keV band: 438.208000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  912.000  -18.424  893.576
T90   464.000  -18.424  445.576
T50   448.000  -18.424  429.576
Peak    1.000    5.076    6.076
  • 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
      128.6328   -59.1609   0.0106    34.4690   -71.9309         2.7005786     18.205 TRIG_00617110                 
     
    Foreground time interval of the image:
    -18.424  28.277 (delta_t =  46.701 [sec])
    Background time interval of the image:
    -524.123 -507.849 (delta_t =  16.275 [sec])
    -239.424 -18.424 (delta_t = 221.000 [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
    Multiple GTIs in the spectrum
    tstart tstop
    -18.424000 839.295900
    840.576000 893.576000
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.29583     ( -0.184339   0.181508 )
    Norm@50keV  : 3.82611E-04    ( -3.84356e-05   3.84352e-05 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.40 using 59 PHA bins.
    # Reduced chi-squared =         0.9894 for     57 degrees of freedom 
    # Null hypothesis probability =   4.975976e-01
     
    Photon flux (15-150 keV)    in 910.7 sec: 4.56115E-02 ( -0.0048077  0.0048261 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.44676e-06 ( -3.78742e-07  3.81061e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Multiple GTIs in the spectrum
    tstart tstop
    -18.424000 839.295900
    840.576000 893.576000
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.29748     ( -0.588787   0.1792 )
    Epeak [keV] : 9999.36      ( -9999.36 -9999.36 )
    Norm@50keV  : 3.83539E-04    ( -0.000383958   0.000319526 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.41 using 59 PHA bins.
    # Reduced chi-squared =          1.007 for     56 degrees of freedom 
    # Null hypothesis probability =   4.596311e-01
     
    Photon flux (15-150 keV)    in 910.7 sec: 4.56277E-02 ( -0.004821  0.004757 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.44701e-06 ( -3.85417e-07  3.77813e-07 ) ergs/cm2
     
    
    Band function
    Multiple GTIs in the spectrum
    tstart tstop
    -18.424000 839.295900
    840.576000 893.576000
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.980517   ( 0.985649   0.985649 )
    beta        : -1.29816    ( 1.29792   0.186751 )
    Epeak [keV] : 69.8630      ( -76.6264 -76.6264 )
    Norm@50keV   : 6.85069E-04    ( -0.00029737   0 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.40 using 59 PHA bins.
    # Reduced chi-squared =          1.026 for     55 degrees of freedom 
    # Null hypothesis probability =   4.221907e-01
     
    Photon flux (15-150 keV)    in 910.7 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]    : 19.4454  (-2.71674  3.28755)
    R^2/D10^2   : 2.18026E-03  (-0.000875558   0.00143464)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          84.98 using 59 PHA bins.
    # Reduced chi-squared =          1.491 for     57 degrees of freedom 
    # Null hypothesis probability =   9.536929e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.463e-07   3.438e-08
    25- 50  7.152e-07   1.365e-07
    50-150  1.996e-06   3.775e-07
    15-150  2.857e-06   4.253e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 0.190334       (-0.0193732     0.0193712)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.22 using 59 PHA bins.
    # Reduced chi-squared =          1.109 for     57 degrees of freedom 
    # Null hypothesis probability =   2.660811e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.316e-07   9.125e-08
    25- 50  8.302e-07   3.320e-07
    50-150  1.821e-06   9.886e-07
    15-150  3.083e-06   1.638e-06
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.41421        (-1.69017      2.16933)
    R1^2/D10^2  : 6.05287E-02        (-0.0389915      0.140495)
    kT2 [keV]   : 30.4060        (-6.49116      12.5936)
    R2^2/D10^2  : 4.42114E-04    (-0.000288247   0.000538054)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.61 using 59 PHA bins.
    # Reduced chi-squared =         0.9929 for     55 degrees of freedom 
    # Null hypothesis probability =   4.894547e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.874e-07   1.884e-07
    25- 50  7.371e-07   2.838e-07
    50-150  2.372e-06   1.023e-06
    15-150  3.497e-06   1.359e-06
    

    Peak spectrum fit

    Power-law model
    Time interval is from    5.076 sec. to    6.076 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.39403     ( -0.847313   0.80681 )
    Norm@50keV  : 5.02837E-03    ( -0.00203113   0.00201007 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.88 using 59 PHA bins.
    # Reduced chi-squared =          1.016 for     57 degrees of freedom 
    # Null hypothesis probability =   4.424453e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.611530 ( -0.256771  0.259242 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.86452e-08 ( -2.11049e-08  2.12506e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    5.076 sec. to    6.076 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 3.39864     (     )
    Epeak [keV] : 368.189      (   )
    Norm@50keV  : 5.13691E-04    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.74 using 59 PHA bins.
    # Reduced chi-squared =          1.031 for     56 degrees of freedom 
    # Null hypothesis probability =   4.108908e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.618831 ( -0.266445  0.252685 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.84487e-08 ( -2.08823e-08  2.11053e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    5.076 sec. to    6.076 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.03991   ( 1.037   1.037 )
    beta        : -1.38923    ( 1.39783   0.851116 )
    Epeak [keV] : 57.4806      ( -58.5303 -58.5303 )
    Norm@50keV   : 9.68083E-03    ( -0.0097478   596619 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.88 using 59 PHA bins.
    # Reduced chi-squared =          1.052 for     55 degrees of freedom 
    # Null hypothesis probability =   3.693665e-01
     
    Photon flux (15-150 keV)    in 1 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]    : 17.2012  (  )
    R^2/D10^2   : 4.08129E-02  (-0.0397006   1.19085)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.95 using 59 PHA bins.
    # Reduced chi-squared =          1.087 for     57 degrees of freedom 
    # Null hypothesis probability =   3.039633e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.830e-09   1.963e-09
    25- 50  1.175e-08   7.615e-09
    50-150  2.024e-08   1.350e-08
    15-150  3.482e-08   2.409e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.362       (-199.363      -199.363)
    Norm        : 2.52991       (-1.02629     1.02633)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.40 using 59 PHA bins.
    # Reduced chi-squared =          1.025 for     57 degrees of freedom 
    # Null hypothesis probability =   4.237062e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.300e-09   4.126e-09
    25- 50  1.212e-08   7.860e-09
    50-150  2.658e-08   1.775e-08
    15-150  4.500e-08   2.868e-08
    
    Double BB
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.36679        (-4.64709      8.84229)
    R1^2/D10^2  : 0.686846        (      )
    kT2 [keV]   : 65.2633        (-65.5088      -65.5089)
    R2^2/D10^2  : 7.11462E-04    (-0.000667976   0.0293895)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.19 using 59 PHA bins.
    #Fit statistic : Chi-Squared =          57.10 using 59 PHA bins.
    # Reduced chi-squared =          1.040 for     55 degrees of freedom 
    # Reduced chi-squared =          1.038 for     55 degrees of freedom 
    # Null hypothesis probability =   3.938053e-01
    # Null hypothesis probability =   3.969959e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.641e-09   4.487e-09
    25- 50  1.077e-08   7.315e-09
    50-150  3.105e-08   2.033e-08
    15-150  4.846e-08   2.646e-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: 1.20662     ( -0.138529   0.135928 )
    Norm@50keV  : 4.06970E-03    ( -0.000313543   0.000312744 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          66.25 using 59 PHA bins.
    # Reduced chi-squared =          1.162 for     57 degrees of freedom 
    # Null hypothesis probability =   1.879946e-01
     
    Photon flux (15-150 keV)    in 46.7 sec: 0.478151 ( -0.0390136  0.0391904 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.92459e-06 ( -1.56508e-07  1.57195e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.20206     ( -0.479563   0.170527 )
    Epeak [keV] : 9994.15      (   )
    Norm@50keV  : 4.08923E-03    ( -0.000312185   0.00324015 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          66.25 using 59 PHA bins.
    # Reduced chi-squared =          1.183 for     56 degrees of freedom 
    # Null hypothesis probability =   1.643079e-01
     
    Photon flux (15-150 keV)    in 46.7 sec: 0.476818 ( -0.040233  0.040033 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.92045e-06 ( -1.63095e-07  1.61059e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.694740   ( 0.664184   5.3409 )
    beta        : -1.24407    ( 1.24683   0.171925 )
    Epeak [keV] : 86.6808      ( -79.1435 294.873 )
    Norm@50keV   : 8.50762E-03    ( -0.0058045   0 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.99 using 59 PHA bins.
    # Reduced chi-squared =          1.200 for     55 degrees of freedom 
    # Null hypothesis probability =   1.473347e-01
     
    Photon flux (15-150 keV)    in 46.7 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)  = 7.65e-07
    S(50-100 keV) = 1.25e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 464 sec.
    Hardness ratio (energy fluence ratio) = 1.63399
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.27133
    Count Ratio (50-100 keV) / (15-25 keV) = 1.162
    

    Mask shadow pattern

    IMX = 2.129235424054261E-01, IMY = 6.526302976132271E-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:
    -524.123400 -507.848900
    -239.424000 -18.424000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5239 -40.5250    1.1  34.4 -106.1   4.2251  10.3    1.8	Vela X-1                      
     45.7091 -27.4563    2.6  40.4   46.6   2.2915   4.5 ------	UNKNOWN                       
     73.8752 -83.8073    2.8  50.1  -37.1   2.7248   4.2 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -18.424000 28.276600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5921 -40.6061    7.1  34.5 -106.0  -0.2518  -1.6    4.2	Vela X-1                      
    104.9149  -6.5209    2.8  29.9  165.6   0.3759   4.1 ------	UNKNOWN                       
     83.5872 -60.5731    2.8  27.1  -30.0   0.3408   4.1 ------	UNKNOWN                       
    128.3690  -8.7312    2.0  41.5 -158.9   0.7241   5.9 ------	UNKNOWN                       
    128.6329 -59.1609    0.6  34.5  -71.9   2.7000  18.2 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    83.076600 839.295900
    840.576000 962.640700
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    135.5187 -40.5633    0.8  19.1 -168.2   7.7641  14.6    0.7	Vela X-1                      
    170.6162 -60.6953    4.9  20.8  -72.1   1.5219   2.4    9.8	Cen X-3                       
    186.6597 -62.7691    2.9  27.5  -61.9   2.8753   3.9    0.1	GX 301-2                      
     12.8548 -59.6065    4.4  51.1   31.3  11.4035   2.6 ------	UNKNOWN                       
     62.0745 -77.2277    2.5  28.0   21.0   2.7397   4.7 ------	UNKNOWN                       
    126.8293 -34.1001    2.7  25.1  172.1   2.7057   4.3 ------	UNKNOWN                       
    131.8687  -3.3778    3.3  55.8  179.5   9.5852   3.5 ------	UNKNOWN                       
    128.6262 -59.1466    2.1   0.0 -109.4   2.6948   5.4 ------	UNKNOWN                       
    133.7369 -27.1629    2.4  32.2 -175.9   2.8833   4.8 ------	UNKNOWN                       
    152.4910 -58.2937    0.9  12.4  -88.2   6.5312  12.3 ------	UNKNOWN                       
    
    Plot creation:
    Thu May 28 14:05:02 EDT 2015