batgrbproduct Analysis for Trigger=614390

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Nov  1 19:19:08 EDT 2014
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger614390
======================================================================

  Trigger: 00614390      Segment: 000

  BAT Trigger Time: 434157667.008   [s; MET]
      Trigger Stop: 434157667.264   [s; MET]
               UTC: 2014-10-04T23:20:54.395160    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 76.7295316221785   Dec: 12.8331117727635  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    19.75
     Image Trigger?:     NO
     Rate S/N Ratio:     90.9615303301346  [ if not an image trigger ]
     Image S/N Ratio:    19.75

  Flight Position:   [ source = BAT ]
    RA: 76.7295316221785   Dec: 12.8331117727635  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 76.7209783333211   Dec: 12.8281031762749  [deg; J2000]  
        { 05h 06m 53.0s , +12d 49' 41.2" }
         +/- 0.81203804274426 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.24475894610725 [arcmin] (formal 1-sigma fit error)
    SNR: 40.9538736478094
 
  Angular difference between Flight and Ground position is 0.583689 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 3.92399996519089 +/- 1.11246033451304
        Measured from: -0.344000041484833
                   to: 3.57999992370605     [s; relative to TRIGTIME]
     T50: 1.13599997758865 +/- 0.173666344517265
        Measured from: 0.0959999561309814
                   to: 1.23199993371964     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.0559999942779541     
                   to: 0.944000005722046     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -0.844000041484833     
                   to: 5.34399998188019     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.440711   0.479356   0.273024   0.062203
           0.016620   0.016964   0.014006   0.010899 [error]
 Peak      0.236965   0.299956   0.185618   0.035146
           0.008777   0.009491   0.007895   0.005138 [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 1.30e-07 1.92e-07 2.12e-07 4.42e-07 6.68e-07 9.76e-07   erg/cm2
              Error 9.39e-09 8.47e-09 1.39e-08 6.08e-08 3.21e-08 7.25e-08   erg/cm2
Peak flux Power-law 2.29e+00 2.06e+00 1.28e+00 1.21e+00 6.13e+00 6.83e+00   ph/cm2/s
              Error 1.54e-01 8.58e-02 6.55e-02 1.25e-01 2.51e-01 2.67e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.23e-07 1.99e-07 2.13e-07 2.45e-07 6.45e-07 7.80e-07   erg/cm2
              Error 1.11e-08 1.06e-08 1.47e-08 1.28e-07 3.79e-08 1.34e-07   erg/cm2
Peak flux Cutoff-PL 2.06e+00 2.16e+00 1.33e+00 6.50e-01 5.95e+00 6.20e+00   ph/cm2/s
              Error 1.86e-01 1.03e-01 7.34e-02 1.96e-01 2.66e-01 3.36e-01   ph/cm2/s
 
Fluence        Band 1.19e-07 2.02e-07 2.07e-07 3.55e-07 6.47e-07 8.85e-07   erg/cm2
              Error -------- -------- -------- -------- 3.77e-08 --------   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    1.855    0.083    -      -           1.17e-02 5.60e-04   59.500 57
CPL   1.480    0.343      64.4   59.5      1.86e-02 7.97e-03   55.680 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    1.689    0.069    -      -           4.63e-02 1.88e-03   77.410 57
CPL   1.110    0.302      75.3   19.6      9.16e-02 3.29e-02   64.970 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: 3.008000 sec.
T50 in the 50-300 keV band: 0.704000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100    6.188   -0.844    5.344
T90     3.924   -0.344    3.580
T50     1.136    0.096    1.232
Peak    1.000   -0.056    0.944
  • 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
       76.7210    12.8281   0.0047    13.2344   174.8520         1.2622871     40.954 TRIG_00614390                 
     
    Foreground time interval of the image:
     -0.844   5.344 (delta_t =   6.188 [sec])
    Background time interval of the image:
    -102.307  -0.844 (delta_t = 101.463 [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 0.256000
    

    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 0.256000
    

    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 0.256000
    

    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   -0.844 sec. to    5.344 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.85450     ( -0.0820631   0.083047 )
    Norm@50keV  : 1.17441E-02    ( -0.000561676   0.000558178 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.50 using 59 PHA bins.
    # Reduced chi-squared =          1.044 for     57 degrees of freedom 
    # Null hypothesis probability =   3.845653e-01
     
    Photon flux (15-150 keV)    in 6.188 sec: 1.65377 ( -0.0751262  0.0752748 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.68168e-07 ( -3.20345e-08  3.22001e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.844 sec. to    5.344 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.47991     ( -0.357567   0.328651 )
    Epeak [keV] : 64.3611      ( -13.1139 105.787 )
    Norm@50keV  : 1.85520E-02    ( -0.00600013   0.00994134 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.68 using 59 PHA bins.
    # Reduced chi-squared =         0.9943 for     56 degrees of freedom 
    # Null hypothesis probability =   4.869173e-01
     
    Photon flux (15-150 keV)    in 6.188 sec: 1.61667 ( -0.08148  0.08153 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.44808e-07 ( -3.78767e-08  3.79943e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.844 sec. to    5.344 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.87284   ( -6.09394   -4.87284 )
    beta        : -1.91572    ( -0.0939278   0.0912294 )
    Epeak [keV] : 22.1494      ( -3.1819 2.61485 )
    Norm@50keV   : 2864.13    ( -123.892   9248.59 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.29 using 59 PHA bins.
    # Reduced chi-squared =         0.9871 for     55 degrees of freedom 
    # Null hypothesis probability =   5.016474e-01
     
    Photon flux (15-150 keV)    in 6.188 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.47389e-07 ( -6.47345e-07  -3.77332e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 11.9212  (  )
    R^2/D10^2   : 0.387917  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         161.36 using 59 PHA bins.
    # Reduced chi-squared =         2.8309 for     57 degrees of freedom 
    # Null hypothesis probability =   6.538857e-12
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.211e-08   5.755e-09
    25- 50  2.252e-07   1.163e-08
    50-150  1.916e-07   1.915e-08
    15-150  4.889e-07   2.472e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 93.3781       (-14.0841      18.4849)
    Norm        : 7.32978       (-0.492791     0.54219)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          56.30 using 59 PHA bins.
    # Reduced chi-squared =         0.9877 for     57 degrees of freedom 
    # Null hypothesis probability =   5.013344e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.185e-07   9.251e-09
    25- 50  2.020e-07   9.839e-09
    50-150  3.145e-07   8.905e-08
    15-150  6.349e-07   8.505e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.22341        (-0.948037      1.06935)
    R1^2/D10^2  : 2.98216        (-1.2419      2.48903)
    kT2 [keV]   : 21.0201        (-3.05214      4.76803)
    R2^2/D10^2  : 3.45019E-02    (-0.0189468   0.0307603)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.17 using 59 PHA bins.
    # Reduced chi-squared =          1.076 for     55 degrees of freedom 
    # Null hypothesis probability =   3.260842e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.177e-07   1.881e-08
    25- 50  1.994e-07   2.299e-08
    50-150  3.132e-07   5.975e-08
    15-150  6.303e-07   8.428e-08
    

    Peak spectrum fit

    Power-law model
    Time interval is from   -0.056 sec. to    0.944 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.68888     ( -0.0686357   0.0691102 )
    Norm@50keV  : 4.63432E-02    ( -0.00188675   0.00188183 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          77.41 using 59 PHA bins.
    # Reduced chi-squared =          1.358 for     57 degrees of freedom 
    # Null hypothesis probability =   3.731664e-02
     
    Photon flux (15-150 keV)    in 1 sec: 6.13118 ( -0.25122  0.251602 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.29473e-07 ( -1.82741e-08  1.83248e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.056 sec. to    0.944 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.10958     ( -0.312943   0.290382 )
    Epeak [keV] : 75.3293      ( -11.5038 27.6376 )
    Norm@50keV  : 9.16060E-02    ( -0.0259727   0.0398387 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          64.97 using 59 PHA bins.
    # Reduced chi-squared =          1.160 for     56 degrees of freedom 
    # Null hypothesis probability =   1.925730e-01
     
    Photon flux (15-150 keV)    in 1 sec: 5.95166 ( -0.26553  0.26572 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.11523e-07 ( -2.0448e-08  2.0414e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.056 sec. to    0.944 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.681851   ( -0.552041   1.05405 )
    beta        : -2.01105    ( 2.00967   0.197365 )
    Epeak [keV] : 55.4879      ( -17.1015 25.9041 )
    Norm@50keV   : 0.167562    ( -0.0890446   0.747775 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.27 using 59 PHA bins.
    # Reduced chi-squared =          1.132 for     55 degrees of freedom 
    # Null hypothesis probability =   2.333400e-01
     
    Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.12858e-07 ( -4.12851e-07  -1.9485e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 13.4750  (  )
    R^2/D10^2   : 0.976730  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         176.06 using 59 PHA bins.
    # Reduced chi-squared =         3.0888 for     57 degrees of freedom 
    # Null hypothesis probability =   4.436658e-14
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.757e-08   2.800e-09
    25- 50  1.344e-07   6.200e-09
    50-150  1.575e-07   1.260e-08
    15-150  3.294e-07   1.410e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 138.673       (-23.6532      27.0991)
    Norm        : 25.4207       (-1.21451     1.46518)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          65.73 using 59 PHA bins.
    # Reduced chi-squared =          1.153 for     57 degrees of freedom 
    # Null hypothesis probability =   2.002591e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.569e-08   4.695e-09
    25- 50  1.203e-07   7.750e-09
    50-150  2.297e-07   6.120e-08
    15-150  4.157e-07   6.620e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.57753        (-1.20267      1.25731)
    R1^2/D10^2  : 5.12036        (-1.88156      3.76881)
    kT2 [keV]   : 24.6836        (-4.01442      6.65147)
    R2^2/D10^2  : 7.59458E-02    (-0.0447935   0.079561)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          68.28 using 59 PHA bins.
    # Reduced chi-squared =          1.241 for     55 degrees of freedom 
    # Null hypothesis probability =   1.076772e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.900e-08   7.930e-09
    25- 50  1.265e-07   1.410e-08
    50-150  2.241e-07   4.405e-08
    15-150  4.097e-07   6.000e-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: 1.85450     ( -0.0820631   0.083047 )
    Norm@50keV  : 1.17441E-02    ( -0.000561676   0.000558178 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          59.50 using 59 PHA bins.
    # Reduced chi-squared =          1.044 for     57 degrees of freedom 
    # Null hypothesis probability =   3.845653e-01
     
    Photon flux (15-150 keV)    in 6.188 sec: 1.65377 ( -0.0751262  0.0752748 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.68168e-07 ( -3.20345e-08  3.22001e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.47991     ( -0.357567   0.328651 )
    Epeak [keV] : 64.3611      ( -13.1139 105.787 )
    Norm@50keV  : 1.85520E-02    ( -0.00600013   0.00994134 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.68 using 59 PHA bins.
    # Reduced chi-squared =         0.9943 for     56 degrees of freedom 
    # Null hypothesis probability =   4.869173e-01
     
    Photon flux (15-150 keV)    in 6.188 sec: 1.61667 ( -0.08148  0.08153 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.44808e-07 ( -3.78767e-08  3.79943e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.87284   ( -6.09394   -4.87284 )
    beta        : -1.91572    ( -0.0939278   0.0912294 )
    Epeak [keV] : 22.1494      ( -3.1819 2.61485 )
    Norm@50keV   : 2864.13    ( -123.892   9248.59 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.29 using 59 PHA bins.
    # Reduced chi-squared =         0.9871 for     55 degrees of freedom 
    # Null hypothesis probability =   5.016474e-01
     
    Photon flux (15-150 keV)    in 6.188 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.47389e-07 ( -6.47345e-07  -3.77332e-08 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 1.92e-07
    S(50-100 keV) = 2.12e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 3.92399996519089 sec.
    Hardness ratio (energy fluence ratio) = 1.10417
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.08769
    Count Ratio (50-100 keV) / (15-25 keV) = 0.619508
    

    Mask shadow pattern

    IMX = -2.342332408229152E-01, IMY = -2.110245017262507E-02
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.256000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.256000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.256000
    

    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:
    -102.307400 -0.844000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6220  22.0127    0.3  22.7 -164.1   4.4190  36.9    0.6	Crab                          
     81.8001 -57.1749    2.8  57.0    3.0   2.9219   4.1 ------	UNKNOWN                       
     86.7492 -28.4196    2.4  29.2   -9.2   0.6427   4.8 ------	UNKNOWN                       
     96.1446 -53.5830    2.8  55.2   -7.5   1.6548   4.2 ------	UNKNOWN                       
     97.9350  -9.0938    2.3  20.8  -59.4   0.6692   5.1 ------	UNKNOWN                       
     99.2575   3.2066    2.7  20.5  -95.0   0.5522   4.3 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -0.844000 5.344000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6439  21.9987   11.8  22.7 -164.1  -0.0306  -1.0    1.1	Crab                          
     46.3326 -36.1499    2.5  47.0   41.4   0.6721   4.7 ------	UNKNOWN                       
     67.9811 -51.5055    2.3  52.1   13.5   0.6527   5.1 ------	UNKNOWN                       
     76.7210  12.8281    0.3  13.2  174.9   1.2622  41.0 ------	UNKNOWN                       
    113.5932  -6.2034    2.3  35.0  -74.6   0.3041   5.1 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    44.092590 963.001500
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6252  22.0121    0.2  11.3 -144.5  38.8168  61.8    0.5	Crab                          
     81.8024  30.7491    3.1  18.5 -165.2   2.1517   3.8 ------	UNKNOWN                       
    101.1793  69.5536    3.6  58.8 -169.3  13.1223   3.2 ------	UNKNOWN                       
    
    Plot creation:
    Thu May 28 14:16:38 EDT 2015