batgrbproduct Analysis for Trigger=655262

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Tue Sep 29 19:30:33 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger655262
======================================================================

  Trigger: 00655262      Segment: 000

  BAT Trigger Time: 463689636.608   [s; MET]
      Trigger Stop: 463689637.12   [s; MET]
               UTC: 2015-09-11T18:40:21.487220    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 67.4241761992931   Dec: 5.74277762478309  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.46
     Image Trigger?:     NO
     Rate S/N Ratio:     15.2315462117278  [ if not an image trigger ]
     Image S/N Ratio:    7.46

  Flight Position:   [ source = BAT ]
    RA: 67.4241761992931   Dec: 5.74277762478309  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 67.4275965149776   Dec: 5.73019951337366  [deg; J2000]  
        { 04h 29m 42.6s , +05d 43' 48.7" }
         +/- 0.623987223661816 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.201897944531603 [arcmin] (formal 1-sigma fit error)
    SNR: 59.6656706451926
 
  Angular difference between Flight and Ground position is 0.781822 arcmin
 
  Partial Coding Fraction: 0.6796875    [ including projection effects ]

  Duration
     T90: 7.13599991798401 +/- 0.599746645925605
        Measured from: 0.368000030517578
                   to: 7.50399994850159     [s; relative to TRIGTIME]
     T50: 3.59199994802475 +/- 0.176816265574462
        Measured from: 2.12000000476837
                   to: 5.71199995279312     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 3.89600002765656     
                   to: 4.89600002765656     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -1.0359999537468     
                   to: 9.61200004816055     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.187602   1.608984   0.848391   0.113540
           0.029547   0.031849   0.025906   0.019755 [error]
 Peak      0.185932   0.229863   0.152930   0.025838
           0.009993   0.011270   0.009270   0.006194 [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 4.61e-07 6.53e-07 6.86e-07 1.33e-06 2.22e-06 3.13e-06   erg/cm2
              Error 2.25e-08 1.93e-08 2.70e-08 1.10e-07 6.53e-08 1.32e-07   erg/cm2
Peak flux Power-law 1.97e+00 1.73e+00 1.05e+00 9.56e-01 5.16e+00 5.71e+00   ph/cm2/s
              Error 1.75e-01 9.85e-02 7.79e-02 1.40e-01 2.91e-01 3.14e-01   ph/cm2/s
 
Fluence   Cutoff-PL 3.94e-07 7.04e-07 7.01e-07 4.31e-07 2.07e-06 2.23e-06   erg/cm2
              Error 2.76e-08 2.39e-08 3.04e-08 1.16e-07 7.53e-08 1.37e-07   erg/cm2
Peak flux Cutoff-PL 1.77e+00 1.85e+00 1.09e+00 4.66e-01 5.02e+00 5.19e+00   ph/cm2/s
              Error 2.06e-01 1.24e-01 8.76e-02 1.98e-01 3.02e-01 3.61e-01   ph/cm2/s
 
Fluence        Band 3.71e-07 7.22e-07 6.67e-07 8.57e-07 2.09e-06 2.62e-06   erg/cm2
              Error 3.19e-08 2.81e-08 3.40e-08 2.13e-07 7.27e-08 2.15e-07   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    1.929    0.052    -      -           2.26e-02 6.74e-04   97.430 57
CPL   1.018    0.256      51.6    3.8      6.64e-02 2.02e-02   52.120 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.726    0.094    -      -           3.85e-02 2.25e-03   55.120 57
CPL   1.058    0.416      67.2   20.7      8.64e-02 4.56e-02   46.280 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: 6.720000 sec.
T50 in the 50-300 keV band: 3.264000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   10.648   -1.036    9.612
T90     7.136    0.368    7.504
T50     3.592    2.120    5.712
Peak    1.000    3.896    4.896
  • 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
       67.4276     5.7302   0.0032    29.2594   -46.4609         3.8663000     59.666 TRIG_00655262                 
     
    Foreground time interval of the image:
     -1.036   9.612 (delta_t =  10.648 [sec])
    Background time interval of the image:
    -331.107 -313.753 (delta_t =  17.355 [sec])
    -239.608  -1.036 (delta_t = 238.572 [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   -1.036 sec. to    9.612 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.92945     ( -0.0517137   0.0520372 )
    Norm@50keV  : 2.26401E-02    ( -0.000674447   0.000672961 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          97.43 using 59 PHA bins.
    # Reduced chi-squared =          1.709 for     57 degrees of freedom 
    # Null hypothesis probability =   6.832098e-04
     
    Photon flux (15-150 keV)    in 10.65 sec: 3.29045 ( -0.102651  0.103028 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.21775e-06 ( -6.52218e-08  6.53024e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -1.036 sec. to    9.612 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.01792     ( -0.263649   0.248601 )
    Epeak [keV] : 51.5726      ( -3.44078 4.14332 )
    Norm@50keV  : 6.63668E-02    ( -0.0165991   0.0238765 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.12 using 59 PHA bins.
    # Reduced chi-squared =         0.9307 for     56 degrees of freedom 
    # Null hypothesis probability =   6.225730e-01
     
    Photon flux (15-150 keV)    in 10.65 sec: 3.09697 ( -0.11233  0.11283 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.06652e-06 ( -7.51145e-08  7.5434e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   -1.036 sec. to    9.612 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.388848   ( -0.646233   0.954989 )
    beta        : -2.36362    ( -0.509809   0.174686 )
    Epeak [keV] : 43.4937      ( -6.2038 8.06869 )
    Norm@50keV   : 0.162106    ( -0.0995641   0.527703 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.24 using 59 PHA bins.
    # Reduced chi-squared =         0.8590 for     55 degrees of freedom 
    # Null hypothesis probability =   7.621065e-01
     
    Photon flux (15-150 keV)    in 10.65 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.08581e-06 ( -2.08574e-06  -7.29099e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 12.2076  (  )
    R^2/D10^2   : 0.703896  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         213.53 using 59 PHA bins.
    # Reduced chi-squared =         3.7461 for     57 degrees of freedom 
    # Null hypothesis probability =   6.077476e-20
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.366e-07   1.193e-08
    25- 50  7.596e-07   2.487e-08
    50-150  6.884e-07   3.919e-08
    15-150  1.685e-06   5.059e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 82.8585       (-7.25497      8.41692)
    Norm        : 15.0708       (-0.711485     0.751951)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.40 using 59 PHA bins.
    # Reduced chi-squared =         0.9719 for     57 degrees of freedom 
    # Null hypothesis probability =   5.353227e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.173e-07   1.853e-08
    25- 50  6.928e-07   2.082e-08
    50-150  1.001e-06   5.591e-08
    15-150  2.111e-06   6.443e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.35670        (-0.82118      0.847429)
    R1^2/D10^2  : 3.14317        (-0.891367      1.44769)
    kT2 [keV]   : 21.0920        (-2.48822      3.63825)
    R2^2/D10^2  : 5.73113E-02    (-0.0284053   0.0430748)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          51.32 using 59 PHA bins.
    # Reduced chi-squared =         0.9331 for     55 degrees of freedom 
    # Null hypothesis probability =   6.159190e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.568e-07   3.296e-08
    25- 50  7.238e-07   5.011e-08
    50-150  9.663e-07   1.395e-07
    15-150  2.047e-06   1.800e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    3.896 sec. to    4.896 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.72633     ( -0.0933311   0.0946146 )
    Norm@50keV  : 3.84703E-02    ( -0.00225833   0.00224608 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.12 using 59 PHA bins.
    # Reduced chi-squared =         0.9671 for     57 degrees of freedom 
    # Null hypothesis probability =   5.457963e-01
     
    Photon flux (15-150 keV)    in 1 sec: 5.15719 ( -0.291132  0.291423 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.55504e-07 ( -2.16414e-08  2.1741e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    3.896 sec. to    4.896 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.05840     ( -0.43621   0.395239 )
    Epeak [keV] : 67.2248      ( -11.0557 30.3454 )
    Norm@50keV  : 8.63756E-02    ( -0.0322756   0.0588398 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          46.28 using 59 PHA bins.
    # Reduced chi-squared =         0.8264 for     56 degrees of freedom 
    # Null hypothesis probability =   8.195576e-01
     
    Photon flux (15-150 keV)    in 1 sec: 5.02248 ( -0.30178  0.30173 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.3942e-07 ( -2.3702e-08  2.378e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    3.896 sec. to    4.896 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.978053   ( -0.45039   3.15498 )
    beta        : -2.34692    ( 2.35226   0.507711 )
    Epeak [keV] : 63.2163      ( -32.0294 30.2602 )
    Norm@50keV   : 9.65955E-02    ( -0.040897   19.1884 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          45.94 using 59 PHA bins.
    # Reduced chi-squared =         0.8352 for     55 degrees of freedom 
    # Null hypothesis probability =   8.029780e-01
     
    Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.39573e-07 ( -3.39566e-07  -2.3606e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 12.8531  (-0.821424  0.887389)
    R^2/D10^2   : 0.985800  (-0.216829   0.273675)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         104.67 using 59 PHA bins.
    # Reduced chi-squared =         1.8364 for     57 degrees of freedom 
    # Null hypothesis probability =   1.219605e-04
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.454e-08   3.825e-09
    25- 50  1.175e-07   8.000e-09
    50-150  1.219e-07   1.500e-08
    15-150  2.740e-07   1.830e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 122.452       (-24.9634      32.5508)
    Norm        : 21.9168       (-1.51099     1.77583)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.10 using 59 PHA bins.
    # Reduced chi-squared =         0.8263 for     57 degrees of freedom 
    # Null hypothesis probability =   8.222510e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.704e-08   5.250e-09
    25- 50  1.024e-07   7.095e-09
    50-150  1.845e-07   5.405e-08
    15-150  3.440e-07   6.020e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 6.41363        (-1.30916      1.56572)
    R1^2/D10^2  : 7.34505        (-3.64907      9.07294)
    kT2 [keV]   : 20.6004        (-3.13201      5.35)
    R2^2/D10^2  : 0.131206    (-0.0806185   0.129669)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.54 using 59 PHA bins.
    # Reduced chi-squared =         0.8643 for     55 degrees of freedom 
    # Null hypothesis probability =   7.524026e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.452e-08   1.255e-08
    25- 50  1.043e-07   2.148e-08
    50-150  1.761e-07   4.350e-08
    15-150  3.349e-07   6.110e-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: 1.92945     ( -0.0517137   0.0520372 )
    Norm@50keV  : 2.26401E-02    ( -0.000674447   0.000672961 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          97.43 using 59 PHA bins.
    # Reduced chi-squared =          1.709 for     57 degrees of freedom 
    # Null hypothesis probability =   6.832098e-04
     
    Photon flux (15-150 keV)    in 10.65 sec: 3.29045 ( -0.102651  0.103028 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.21775e-06 ( -6.52218e-08  6.53024e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.01792     ( -0.263649   0.248601 )
    Epeak [keV] : 51.5726      ( -3.44078 4.14332 )
    Norm@50keV  : 6.63668E-02    ( -0.0165991   0.0238765 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          52.12 using 59 PHA bins.
    # Reduced chi-squared =         0.9307 for     56 degrees of freedom 
    # Null hypothesis probability =   6.225730e-01
     
    Photon flux (15-150 keV)    in 10.65 sec: 3.09697 ( -0.11233  0.11283 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.06652e-06 ( -7.51145e-08  7.5434e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.388848   ( -0.646233   0.954989 )
    beta        : -2.36362    ( -0.509809   0.174686 )
    Epeak [keV] : 43.4937      ( -6.2038 8.06869 )
    Norm@50keV   : 0.162106    ( -0.0995641   0.527703 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.24 using 59 PHA bins.
    # Reduced chi-squared =         0.8590 for     55 degrees of freedom 
    # Null hypothesis probability =   7.621065e-01
     
    Photon flux (15-150 keV)    in 10.65 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.08581e-06 ( -2.08574e-06  -7.29099e-08 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 6.53e-07
    S(50-100 keV) = 6.86e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 7.13599991798401 sec.
    Hardness ratio (energy fluence ratio) = 1.05054
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.35482
    Count Ratio (50-100 keV) / (15-25 keV) = 0.714373
    

    Mask shadow pattern

    IMX = 3.859220204291111E-01, IMY = 4.061216438628479E-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:
    -331.107400 -313.752700
    -239.608000 -1.036000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
      0.1199   6.9115    3.0  39.8  105.7   3.3842   3.9  414.8	UNKNOWN                       
     53.7371  53.1658    1.1  38.2 -141.4   3.3977  10.6 ------	UNKNOWN                       
     52.8183  69.0330    2.8  53.1 -149.2   3.1505   4.1 ------	UNKNOWN                       
     75.6458  56.1866    2.9  48.0 -129.0   3.6996   3.9 ------	UNKNOWN                       
     77.0078  52.9546    2.4  46.6 -124.9   4.6806   4.8 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -1.036000 9.612000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     48.4036 -36.9370    2.4  54.2   16.3   1.2323   4.8 ------	UNKNOWN                       
     27.8045  30.0898    3.1  17.3  168.2   0.1918   3.7 ------	UNKNOWN                       
     67.4276   5.7302    0.2  29.3  -46.5   3.8662  59.7 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    63.892600 962.455100
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6362  22.0113    0.2  22.6 -131.6  36.8914  54.6    0.3	Crab                          
     59.3210 -46.4914    2.7  52.7   13.0  12.0267   4.2 ------	UNKNOWN                       
     53.7760  53.1985    2.3  48.8  175.2   7.7951   5.1 ------	UNKNOWN                       
    106.2357  50.6385    6.1  55.3 -145.1   7.8084   1.9 ------	UNKNOWN                       
    108.8260 -17.1360    3.6  46.9  -54.0   8.9086   3.2 ------	UNKNOWN                       
    
    Plot creation:
    Wed Sep 30 10:57:45 EDT 2015