batgrbproduct Analysis for Trigger=652046

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sun Aug 30 19:41:27 EDT 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger652046/heasarc_download
======================================================================

  Trigger: 00652046      Segment: 000

  BAT Trigger Time: 461134483.22   [s; MET]
      Trigger Stop: 461134483.284   [s; MET]
               UTC: 2015-08-13T04:54:28.233680    [includes UTCF correction] 
       Where From?: (*SHORT BURST*) TDRSS scaled map message

  BAT 
    RA: 216.66067442462   Dec: -7.54127008420654  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    6.5
     Image Trigger?:     NO
     Rate S/N Ratio:     10.1488915650922  [ if not an image trigger ]
     Image S/N Ratio:    6.5

  Flight Position:   [ source = BAT ]
    RA: 216.66067442462   Dec: -7.54127008420654  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 216.667354536734   Dec: -7.539658709904  [deg; J2000]  
        { 14h 26m 40.2s , -07d 32' 22.8" }
         +/- 4.1405307310031 [arcmin] (estimated 90% radius based on SNR)
         +/- 2.53787846431497 [arcmin] (formal 1-sigma fit error)
    SNR: 3.99585564976872
 
  Angular difference between Flight and Ground position is 0.408934 arcmin
 
  Partial Coding Fraction: 0.96875    [ including projection effects ]

  Duration
     T90: 0.0639999508857727 +/- 
        Measured from: 0
                   to: 0.0639999508857727     [s; relative to TRIGTIME]
     T50: 0.0639999508857727 +/- 
        Measured from: 0
                   to: 0.0639999508857727     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 0.0639999508857727 second)
        Measured from: -2.98023223876953e-08     
                   to: 0.0639999210834503     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 0.0639999508857727     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.000396   0.000529   0.006018   0.004437
           0.001495   0.001323   0.001420   0.001491 [error]
 Peak      0.000396   0.000529   0.006018   0.004437
           0.001495   0.001323   0.001420   0.001491 [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 2.12e-10 5.31e-10 1.07e-09 5.43e-095.47e-095.74e-09 2.89e-09 7.19e-09   erg/cm2
              Error 3.25e-10 5.21e-10 7.82e-10 1.27e-08 2.12e-09 3.19e-08   erg/cm2
Peak flux Power-law 1.06e-01 1.45e-01 1.45e-01 2.62e-01 4.80e-01 6.57e-01   ph/cm2/s
              Error 1.65e-01 1.44e-01 1.25e-01 1.02e+00 4.35e-01 1.11e+00   ph/cm2/s
 
Fluence   Cutoff-PL 7.43e-12 5.23e-10 1.97e-09 1.61e-10 2.66e-09 2.66e-09   erg/cm2
              Error 1.94e-10 5.49e-10 1.30e-09 5.61e-09 1.66e-09 1.66e-09   erg/cm2
Peak flux Cutoff-PL 3.25e-03 1.23e-01 2.84e-01 1.43e-02 4.24e-01 4.24e-01   ph/cm2/s
              Error 9.73e-02 1.36e-01 1.82e-01 1.92e-01 2.57e-01 2.57e-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    0.994    1.226    -      -           4.16e-03 3.66e-03   63.220 57
CPL -10.000    0.000      67.0    0.0      6.98e+01 0.00e+00   60.990 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    0.994    1.226    -      -           4.16e-03 3.66e-03   63.220 57
CPL -10.000    0.000      67.0    0.0      6.98e+01 0.00e+00   60.990 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    0.064    0.000    0.064
T90     0.064    0.000    0.064
T50     0.064    0.000    0.064
Peak    0.064   -0.000    0.064
  • Click here for the BAT GCN circular template

    Image

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

    #   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
      216.6674  -7.5397 0.0483   11.5  -98.2       0.0113     4.0  TRIG_00652046       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.000   0.064 (delta_t =   0.064 [sec])
    Background time interval of the image:
    -60.220  -3.220 (delta_t =  57.000 [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 0.064000
    

    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 0.064000
    

    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 0.064000
    

    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    0.064 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.993876     ( -0.994578   1.45783 )
    Norm@50keV  : 4.16361E-03    ( -0.00416408   0.00315261 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.22 using 59 PHA bins.
    # Reduced chi-squared =          1.109 for     57 degrees of freedom 
    # Null hypothesis probability =   2.661223e-01
     
    Photon flux (15-150 keV)    in 0.064 sec: 0.480490 ( -0.48049  0.38974 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.88806e-09 ( -2.09929e-09  2.14319e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to    0.064 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -10.0000     (     )
    Epeak [keV] : 66.9904      (   )
    Norm@50keV  : 69.7687    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.99 using 59 PHA bins.
    # Reduced chi-squared =          1.089 for     56 degrees of freedom 
    # Null hypothesis probability =   3.011636e-01
     
    Photon flux (15-150 keV)    in 0.064 sec: 0.424137 0.423983 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.74479e-15 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to    0.064 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 5.00000   ( -7.36907   -5 )
    beta        : -9.37165    ( 9.37167   9.37167 )
    Epeak [keV] : 69.6056      ( -22.0377 36.0238 )
    Norm@50keV   : 1.18407    ( -1.16173   3.26884e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.90 using 59 PHA bins.
    # Reduced chi-squared =          1.126 for     55 degrees of freedom 
    # Null hypothesis probability =   2.433739e-01
     
    Photon flux (15-150 keV)    in 0.064 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]    : 20.1126  (-9.50298  149.042)
    R^2/D10^2   : 2.54276E-02  (-0.0254276   0.157942)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.57 using 59 PHA bins.
    # Reduced chi-squared =          1.098 for     57 degrees of freedom 
    # Null hypothesis probability =   2.852216e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.266e-10   9.958e-11
    25- 50  6.331e-10   4.659e-10
    50-150  1.900e-09   1.555e-09
    15-150  2.660e-09   1.995e-09
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.361       (-199.363      -199.363)
    Norm        : 2.09148       (-1.5855     1.58533)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.74 using 59 PHA bins.
    # Reduced chi-squared =          1.118 for     57 degrees of freedom 
    # Null hypothesis probability =   2.513631e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.333e-10   2.723e-10
    25- 50  6.412e-10   5.194e-10
    50-150  1.406e-09   1.091e-09
    15-150  2.381e-09   1.770e-09
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 0.189485        (52.6398      -0.189485)
    R1^2/D10^2  : 4129.74        (-4129.74      -4129.74)
    kT2 [keV]   : 20.1124        (-9.50273      149.067)
    R2^2/D10^2  : 2.54286E-02    (-0.0249476   0.157947)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.57 using 59 PHA bins.
    # Reduced chi-squared =          1.138 for     55 degrees of freedom 
    # Null hypothesis probability =   2.254801e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  0.000e+00   0.000e+00
    25- 50  0.000e+00   0.000e+00
    50-150  0.000e+00   0.000e+00
    15-150  0.000e+00   0.000e+00
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.000 sec. to    0.064 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.993876     ( -0.994578   1.45783 )
    Norm@50keV  : 4.16361E-03    ( -0.00416408   0.00315261 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.22 using 59 PHA bins.
    # Reduced chi-squared =          1.109 for     57 degrees of freedom 
    # Null hypothesis probability =   2.661223e-01
     
    Photon flux (15-150 keV)    in 0.064 sec: 0.480490 ( -0.48049  0.38974 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.88806e-09 ( -2.09929e-09  2.14319e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to    0.064 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -10.0000     (     )
    Epeak [keV] : 66.9904      (   )
    Norm@50keV  : 69.7687    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.99 using 59 PHA bins.
    # Reduced chi-squared =          1.089 for     56 degrees of freedom 
    # Null hypothesis probability =   3.011636e-01
     
    Photon flux (15-150 keV)    in 0.064 sec: 0.424137 0.423983 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.74479e-15 ( 0  0 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to    0.064 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 5.00000   ( -7.36907   -5 )
    beta        : -9.37165    ( 9.37167   9.37167 )
    Epeak [keV] : 69.6056      ( -22.0377 36.0238 )
    Norm@50keV   : 1.18407    ( -1.16173   3.26884e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.90 using 59 PHA bins.
    # Reduced chi-squared =          1.126 for     55 degrees of freedom 
    # Null hypothesis probability =   2.433739e-01
     
    Photon flux (15-150 keV)    in 0.064 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]    : 20.1126  (-9.50298  149.042)
    R^2/D10^2   : 2.54276E-02  (-0.0254276   0.157942)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.57 using 59 PHA bins.
    # Reduced chi-squared =          1.098 for     57 degrees of freedom 
    # Null hypothesis probability =   2.852216e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  1.266e-10   9.008e-11
    25- 50  6.331e-10   4.394e-10
    50-150  1.900e-09   1.478e-09
    15-150  2.660e-09   1.905e-09
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 199.361       (-199.363      -199.363)
    Norm        : 2.09148       (-1.5855     1.58533)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.74 using 59 PHA bins.
    # Reduced chi-squared =          1.118 for     57 degrees of freedom 
    # Null hypothesis probability =   2.513631e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.333e-10   2.423e-10
    25- 50  6.412e-10   4.765e-10
    50-150  1.406e-09   1.114e-09
    15-150  2.381e-09   1.736e-09
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 0.189485        (52.6398      -0.189485)
    R1^2/D10^2  : 4129.74        (-4129.74      -4129.74)
    kT2 [keV]   : 20.1124        (-9.50273      149.067)
    R2^2/D10^2  : 2.54286E-02    (-0.0249476   0.157947)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.57 using 59 PHA bins.
    # Reduced chi-squared =          1.138 for     55 degrees of freedom 
    # Null hypothesis probability =   2.254801e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  0.000e+00   0.000e+00
    25- 50  0.000e+00   0.000e+00
    50-150  0.000e+00   0.000e+00
    15-150  0.000e+00   0.000e+00
    

    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: 0.993876     ( -0.994578   1.45783 )
    Norm@50keV  : 4.16361E-03    ( -0.00416408   0.00315261 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          63.22 using 59 PHA bins.
    # Reduced chi-squared =          1.109 for     57 degrees of freedom 
    # Null hypothesis probability =   2.661223e-01
     
    Photon flux (15-150 keV)    in 0.064 sec: 0.480490 ( -0.48049  0.38974 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.88806e-09 ( -2.09929e-09  2.14319e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -10.0000     (     )
    Epeak [keV] : 66.9904      (   )
    Norm@50keV  : 69.7687    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          60.99 using 59 PHA bins.
    # Reduced chi-squared =          1.089 for     56 degrees of freedom 
    # Null hypothesis probability =   3.011636e-01
     
    Photon flux (15-150 keV)    in 0.064 sec: 0.424137 0.423983 (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.74479e-15 ( 0  0 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 5.00000   ( -7.36907   -5 )
    beta        : -9.37165    ( 9.37167   9.37167 )
    Epeak [keV] : 69.6056      ( -22.0377 36.0238 )
    Norm@50keV   : 1.18407    ( -1.16173   3.26884e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          61.90 using 59 PHA bins.
    # Reduced chi-squared =          1.126 for     55 degrees of freedom 
    # Null hypothesis probability =   2.433739e-01
     
    Photon flux (15-150 keV)    in 0.064 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)  = 5.31e-10
    S(50-100 keV) = 1.07e-09
    

    T90 vs. Hardness ratio plot

    T90                                   = 0.0639999508857727 sec.
    Hardness ratio (energy fluence ratio) = 2.01507
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.33586
    Count Ratio (50-100 keV) / (15-25 keV) = 15.197
    

    Mask shadow pattern

    IMX = -2.900206897099040E-02, IMY = 2.014842162736124E-01
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.064000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.064000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.064000
    

    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:
    -60.220000 -3.220000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    244.9844 -15.6477    0.7  17.7   98.4   1.5050  16.7    0.5	Sco X-1                       
    254.5001  35.3422   16.1  50.9   12.7  -0.1725  -0.7    2.1	Her X-1                       
    255.9690 -37.9110    3.8  38.2  128.4   0.6289   3.1    4.1	4U 1700-377                   
    256.2292 -36.5622    0.0  37.4  126.5  -0.0677  -0.3   13.0	GX 349+2                      
    262.9597 -24.7585    7.8  36.6  104.6   0.3142   1.5    2.8	GX 1+4                        
    262.9582 -33.7135    5.2  40.3  117.8   0.6372   2.2    7.4	GX 354-0                      
    224.8643  27.9770    2.8  37.2  -19.9   0.4286   4.2 ------	UNKNOWN                       
    220.1007  37.0443    2.1  46.8  -24.0   0.7771   5.5 ------	UNKNOWN                       
    

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

    Time interval of the image:
    0.000000 0.064000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    244.9957 -15.5276    6.0  17.6   98.0  -0.0062  -1.9    6.8	Sco X-1                       
    254.3787  35.4223    9.9  50.9   12.5  -0.0109  -1.2    6.2	Her X-1                       
    255.9720 -37.8532    4.2  38.1  128.3  -0.0204  -2.8    0.9	4U 1700-377                   
    256.3512 -36.3442   11.7  37.4  126.1   0.0071   1.0    6.2	GX 349+2                      
    262.9847 -24.6884    4.9  36.6  104.5   0.0184   2.3    3.7	GX 1+4                        
    262.9544 -33.8597    5.8  40.4  118.0  -0.0196  -2.0    2.3	GX 354-0                      
    216.3861 -27.9214    2.6  21.9 -166.1   0.0127   4.5 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    41.680590 302.893000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    244.9847 -15.6437    0.6  28.8   91.9   7.0847  20.7    0.4	Sco X-1                       
    256.8412 -13.2777    2.6  39.9   84.7   3.9237   4.5 ------	UNKNOWN                       
    244.3825  42.8783    2.7  56.4    7.2   5.5909   4.3 ------	UNKNOWN                       
    182.2071  17.4514    2.5  42.2  -70.4   4.4680   4.7 ------	UNKNOWN                       
    174.8107  -3.9509    3.0  41.8 -104.5   3.5272   3.8 ------	UNKNOWN                       
    
    Plot creation:
    Sun Aug 30 19:46:19 EDT 2015