batgrbproduct Analysis for Trigger=293795

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 20 06:35:45 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger293795
======================================================================

  Trigger: 00293795      Segment: 000

  BAT Trigger Time: 213741950.272   [s; MET]
      Trigger Stop: 213741950.784   [s; MET]
               UTC: 2007-10-10T20:45:47.989540    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 150.529562485653   Dec: 45.7315763506084  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    19.16
     Image Trigger?:     NO
     Rate S/N Ratio:     52.9622507074614  [ if not an image trigger ]
     Image S/N Ratio:    19.16

  Flight Position:   [ source = BAT ]
    RA: 150.529562485653   Dec: 45.7315763506084  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 150.532556113514   Dec: 45.734497459115  [deg; J2000]  
        { 10h 02m 07.8s , +45d 44' 04.2" }
         +/- 0.502636293655703 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.133850358908783 [arcmin] (formal 1-sigma fit error)
    SNR: 81.2640761398187
 
  Angular difference between Flight and Ground position is 0.215492 arcmin
 
  Partial Coding Fraction: 0.84375    [ including projection effects ]

  Duration
     T90: 36.1240000128746 +/- 2.27575042634801
        Measured from: -21.4640000164509
                   to: 14.6599999964237     [s; relative to TRIGTIME]
     T50: 5.84400001168251 +/- 0.218357507512768
        Measured from: 1.15199998021126
                   to: 6.99599999189377     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.39599999785423     
                   to: 2.39599999785423     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -35.7400000095367     
                   to: 23.8279999792576     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     2.813830   3.288227   1.796137   0.301604
           0.043118   0.045314   0.038507   0.030769 [error]
 Peak      0.249396   0.363235   0.228112   0.037554
           0.008118   0.009191   0.007836   0.005011 [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 9.94e-07 1.38e-06 1.41e-06 2.63e-06 4.62e-06 6.41e-06   erg/cm2
              Error 4.19e-08 3.29e-08 4.20e-08 1.75e-07 1.02e-07 2.01e-07   erg/cm2
Peak flux Power-law 2.95e+00 2.58e+00 1.55e+00 1.40e+00 7.68e+00 8.49e+00   ph/cm2/s
              Error 1.70e-01 9.16e-02 6.56e-02 1.20e-01 2.70e-01 2.79e-01   ph/cm2/s
 
Fluence   Cutoff-PL 9.02e-07 1.41e-06 1.44e-06 1.49e-06 4.45e-06 5.24e-06   erg/cm2
              Error 5.45e-08 3.67e-08 4.52e-08 3.34e-07 1.23e-07 3.62e-07   erg/cm2
Peak flux Cutoff-PL 2.55e+00 2.73e+00 1.64e+00 6.98e-01 7.37e+00 7.62e+00   ph/cm2/s
              Error 2.10e-01 1.08e-01 7.58e-02 1.64e-01 2.87e-01 3.40e-01   ph/cm2/s
 
Fluence        Band 8.57e-07 1.43e-06 1.40e-06 2.13e-06 4.44e-06 5.83e-06   erg/cm2
              Error 6.96e-08 4.41e-08 5.09e-08 3.98e-07 1.20e-07 --------   erg/cm2
Peak flux      Band 2.43e+00 2.81e+00 1.58e+00 1.02e+00 7.30e+00 7.83e+00   ph/cm2/s
              Error 2.44e-01 1.31e-01 8.66e-02 -------- 2.95e-01 3.37e-01   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.966    0.044    -      -           8.42e-03 1.89e-04   58.900 57
CPL   1.520    0.191      54.8    6.4      1.38e-02 2.91e-03   41.440 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.735    0.058    -      -           5.71e-02 1.93e-03   86.280 57
CPL   1.001    0.267      68.5    9.4      1.33e-01 4.07e-02   60.400 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: 34.432000 sec.
T50 in the 50-300 keV band: 4.864000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   59.568  -35.740   23.828
T90    36.124  -21.464   14.660
T50     5.844    1.152    6.996
Peak    1.000    1.396    2.396
  • 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
      150.5326    45.7345   0.0024    29.0366   -10.8583         8.5071341     81.264 TRIG_00293795                 
     
    Foreground time interval of the image:
    -35.740  23.828 (delta_t =  59.568 [sec])
    Background time interval of the image:
    -239.272 -35.740 (delta_t = 203.532 [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 0.512000
    

    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 0.512000
    

    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 0.512000
    

    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  -35.740 sec. to   23.828 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.96623     ( -0.04345   0.0436488 )
    Norm@50keV  : 8.41959E-03    ( -0.000188963   0.00018875 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.90 using 59 PHA bins.
    # Reduced chi-squared =          1.033 for     57 degrees of freedom 
    # Null hypothesis probability =   4.057364e-01
     
    Photon flux (15-150 keV)    in 59.57 sec: 1.24373 ( -0.0323732  0.0325453 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.61821e-06 ( -1.02077e-07  1.02114e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -35.740 sec. to   23.828 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.52011     ( -0.195191   0.186976 )
    Epeak [keV] : 54.7823      ( -5.51245 7.23816 )
    Norm@50keV  : 1.38248E-02    ( -0.00254094   0.00328225 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          41.44 using 59 PHA bins.
    # Reduced chi-squared =         0.7400 for     56 degrees of freedom 
    # Null hypothesis probability =   9.268449e-01
     
    Photon flux (15-150 keV)    in 59.57 sec: 1.19262 ( -0.0376  0.03792 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.45062e-06 ( -1.22833e-07  1.22524e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -35.740 sec. to   23.828 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.14476   ( -0.43215   1.11691 )
    beta        : -2.17804    ( -0.496365   0.123757 )
    Epeak [keV] : 45.2480      ( -10.9203 10.9732 )
    Norm@50keV   : 2.30665E-02    ( -0.00995066   0.105755 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          38.55 using 59 PHA bins.
    # Reduced chi-squared =         0.7008 for     55 degrees of freedom 
    # Null hypothesis probability =   9.549298e-01
     
    Photon flux (15-150 keV)    in 59.57 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.44038e-06 ( -4.43997e-06  -1.19408e-07 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 12.8728  (  )
    R^2/D10^2   : 0.205498  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         415.83 using 59 PHA bins.
    # Reduced chi-squared =         7.2952 for     57 degrees of freedom 
    # Null hypothesis probability =   5.602356e-56
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.303e-07   1.844e-08
    25- 50  1.466e-06   3.842e-08
    50-150  1.527e-06   7.059e-08
    15-150  3.424e-06   8.102e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 85.3547       (-6.19663      7.00643)
    Norm        : 5.49062       (-0.216255     0.227027)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.32 using 59 PHA bins.
    # Reduced chi-squared =         0.7776 for     57 degrees of freedom 
    # Null hypothesis probability =   8.897934e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.517e-07   3.098e-08
    25- 50  1.424e-06   3.544e-08
    50-150  2.097e-06   8.906e-08
    15-150  4.372e-06   1.066e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.11963        (-0.57542      0.593073)
    R1^2/D10^2  : 1.36737        (-0.330361      0.483555)
    kT2 [keV]   : 22.8830        (-2.00195      2.54451)
    R2^2/D10^2  : 1.62205E-02    (-0.00564941   0.00757369)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.03 using 59 PHA bins.
    # Reduced chi-squared =         0.9278 for     55 degrees of freedom 
    # Null hypothesis probability =   6.271297e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.667e-07   6.046e-08
    25- 50  1.452e-06   6.731e-08
    50-150  2.113e-06   1.516e-07
    15-150  4.332e-06   2.022e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    1.396 sec. to    2.396 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.73527     ( -0.0576373   0.0580533 )
    Norm@50keV  : 5.71272E-02    ( -0.00193658   0.00193321 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          86.28 using 59 PHA bins.
    # Reduced chi-squared =          1.514 for     57 degrees of freedom 
    # Null hypothesis probability =   7.402267e-03
     
    Photon flux (15-150 keV)    in 1 sec: 7.68303 ( -0.270055  0.270606 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.27603e-07 ( -1.84246e-08  1.84578e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    1.396 sec. to    2.396 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.00081     ( -0.274932   0.258952 )
    Epeak [keV] : 68.5324      ( -6.98412 11.7319 )
    Norm@50keV  : 0.132532    ( -0.0333663   0.048133 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.40 using 59 PHA bins.
    # Reduced chi-squared =          1.078 for     56 degrees of freedom 
    # Null hypothesis probability =   3.200344e-01
     
    Photon flux (15-150 keV)    in 1 sec: 7.37147 ( -0.28699  0.28789 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.03536e-07 ( -2.0364e-08  2.0337e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    1.396 sec. to    2.396 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.489912   ( -0.583656   1.19025 )
    beta        : -2.11168    ( -0.876065   0.187178 )
    Epeak [keV] : 52.6974      ( -13.3973 17.6262 )
    Norm@50keV   : 0.269481    ( -0.141884   1.39242 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.60 using 59 PHA bins.
    # Reduced chi-squared =          1.047 for     55 degrees of freedom 
    # Null hypothesis probability =   3.793566e-01
     
    Photon flux (15-150 keV)    in 1 sec: 7.30065 ( -0.30065  -0.29443 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.04807e-07 ( -5.048e-07  -1.9834e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 13.6249  (  )
    R^2/D10^2   : 1.16985  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         202.06 using 59 PHA bins.
    # Reduced chi-squared =         3.5449 for     57 degrees of freedom 
    # Null hypothesis probability =   4.196448e-18
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.597e-08   2.985e-09
    25- 50  1.664e-07   6.850e-09
    50-150  2.005e-07   1.395e-08
    15-150  4.128e-07   1.565e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 128.353       (-18.3927      18.1953)
    Norm        : 31.9792       (-1.33341     1.69831)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.74 using 59 PHA bins.
    # Reduced chi-squared =          1.118 for     57 degrees of freedom 
    # Null hypothesis probability =   2.514801e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.303e-08   5.495e-09
    25- 50  1.502e-07   8.000e-09
    50-150  2.769e-07   6.415e-08
    15-150  5.102e-07   6.855e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.92069        (-0.970464      0.988824)
    R1^2/D10^2  : 5.46449        (-1.62029      2.73859)
    kT2 [keV]   : 24.4400        (-3.18968      4.7291)
    R2^2/D10^2  : 9.26961E-02    (-0.0469949   0.0739081)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.49 using 59 PHA bins.
    # Reduced chi-squared =          1.100 for     55 degrees of freedom 
    # Null hypothesis probability =   2.842175e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.126e-08   7.540e-09
    25- 50  1.604e-07   1.320e-08
    50-150  2.693e-07   4.530e-08
    15-150  5.010e-07   5.865e-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: 1.96623     ( -0.04345   0.0436488 )
    Norm@50keV  : 8.41959E-03    ( -0.000188963   0.00018875 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.90 using 59 PHA bins.
    # Reduced chi-squared =          1.033 for     57 degrees of freedom 
    # Null hypothesis probability =   4.057364e-01
     
    Photon flux (15-150 keV)    in 59.57 sec: 1.24373 ( -0.0323732  0.0325453 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.61821e-06 ( -1.02077e-07  1.02114e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.52011     ( -0.195191   0.186976 )
    Epeak [keV] : 54.7823      ( -5.51245 7.23816 )
    Norm@50keV  : 1.38248E-02    ( -0.00254094   0.00328225 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          41.44 using 59 PHA bins.
    # Reduced chi-squared =         0.7400 for     56 degrees of freedom 
    # Null hypothesis probability =   9.268449e-01
     
    Photon flux (15-150 keV)    in 59.57 sec: 1.19262 ( -0.0376  0.03792 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.45062e-06 ( -1.22833e-07  1.22524e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.14476   ( -0.43215   1.11691 )
    beta        : -2.17804    ( -0.496365   0.123757 )
    Epeak [keV] : 45.2480      ( -10.9203 10.9732 )
    Norm@50keV   : 2.30665E-02    ( -0.00995066   0.105755 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          38.55 using 59 PHA bins.
    # Reduced chi-squared =         0.7008 for     55 degrees of freedom 
    # Null hypothesis probability =   9.549298e-01
     
    Photon flux (15-150 keV)    in 59.57 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.44038e-06 ( -4.43997e-06  -1.19408e-07 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 1.38e-06
    S(50-100 keV) = 1.41e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 36.1240000128746 sec.
    Hardness ratio (energy fluence ratio) = 1.02174
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.16859
    Count Ratio (50-100 keV) / (15-25 keV) = 0.638325
    

    Mask shadow pattern

    IMX = 5.452047759902531E-01, IMY = 1.045785973572260E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.512000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.512000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.512000
    

    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:
    -239.272000 -35.740000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.4131  35.4883  347.2  48.1 -158.1  -0.0095  -0.0    9.0	Her X-1                       
    143.0678  24.3775    2.7  50.9  -16.8   1.2866   4.3 ------	UNKNOWN                       
    253.9330  35.9569    2.4  47.5 -158.0   1.2999   4.7 ------	UNKNOWN                       
    186.1344  24.2859    2.2  42.3  -70.4   3.0985   5.4 ------	UNKNOWN                       
    195.5676  25.7410    3.6  41.0  -83.3   1.9959   3.2 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -35.740000 23.828000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    254.3629  35.4682    9.3  48.1 -158.1  -0.2547  -1.2    8.9	Her X-1                       
     50.7364  70.5900    2.2  39.9   85.5   2.0522   5.3 ------	UNKNOWN                       
    150.5326  45.7345    0.1  29.0  -10.9   8.5072  81.3 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    144.028620 610.428620
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    244.9917 -15.6360    0.8  51.0 -140.9  15.8387  13.8    0.8	Sco X-1                       
    254.3734  35.1856    5.9  11.9  131.1   0.4327   1.9   10.3	Her X-1                       
    268.2933  -1.5287    5.1  45.3 -176.6   1.0487   2.2    6.4	SW J1753.5-0127               
    288.7950  10.9330    2.4  50.5  151.8   5.7313   4.7    0.8	GRS 1915+105                  
    242.6181  81.5093    3.0  46.4   46.2   4.1810   3.8 ------	UNKNOWN                       
    221.5690  15.0704    3.3  25.9  -90.6   1.1675   3.5 ------	UNKNOWN                       
    
    Plot creation:
    Sun May 31 09:03:16 EDT 2015