batgrbproduct Analysis for Trigger=574935

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Sat Jan 11 22:44:42 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger574935
======================================================================

  Trigger: 00574935      Segment: 000

  BAT Trigger Time: 403793280   [s; MET]
      Trigger Stop: 403793344   [s; MET]
               UTC: 2013-10-18T12:47:48.834540    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 98.4618116856018   Dec: -19.8820304441863  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    16.77
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    16.77

  Flight Position:   [ source = BAT ]
    RA: 98.4618116856018   Dec: -19.8820304441863  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 98.4685450877152   Dec: -19.8994638741002  [deg; J2000]  
        { 06h 33m 52.5s , -19d 53' 58.1" }
         +/- 1.27550544202634 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.552306285333286 [arcmin] (formal 1-sigma fit error)
    SNR: 21.4854098701745
 
  Angular difference between Flight and Ground position is 1.112858 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 73.2159999608994 +/- 18.9734095686505
        Measured from: 24.8080000281334
                   to: 98.0239999890327     [s; relative to TRIGTIME]
     T50: 31.2960000038147 +/- 5.21393821144733
        Measured from: 39.3360000252724
                   to: 70.6320000290871     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 59.4120000004768     
                   to: 60.4120000004768     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 21.0960000157356     
                   to: 117.736000001431     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.989807   0.908741   0.358349   0.040430
           0.049879   0.050775   0.043518   0.037216 [error]
 Peak      0.023897   0.025402   0.011467   0.008017
           0.005045   0.005297   0.004479   0.003797 [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 2.98e-07 3.49e-07 2.95e-07 4.21e-07 1.09e-06 1.36e-06   erg/cm2
              Error 2.79e-08 2.41e-08 3.89e-08 1.08e-07 8.79e-08 1.54e-07   erg/cm2
Peak flux Power-law 1.96e-01 1.62e-01 9.05e-02 7.49e-02 4.81e-01 5.23e-01   ph/cm2/s
              Error 6.59e-02 3.90e-02 3.50e-02 5.59e-02 1.16e-01 1.31e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.87e-07 3.69e-07 2.76e-07 1.54e-07 1.03e-06 1.09e-06   erg/cm2
              Error 3.06e-08 3.23e-08 4.83e-08 1.96e-07 1.08e-07 2.30e-07   erg/cm2
Peak flux Cutoff-PL 1.89e-01 1.72e-01 8.98e-02 3.68e-02 4.75e-01 4.88e-01   ph/cm2/s
              Error 7.20e-02 5.31e-02 4.07e-02 4.52e-02 1.17e-01 1.04e-01   ph/cm2/s
 
Fluence        Band 2.85e-07 3.65e-07 2.73e-07 3.29e-07 1.05e-06 1.25e-06   erg/cm2
              Error -------- 3.11e-08 4.45e-08 -------- 9.44e-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    2.245    0.140    -      -           1.19e-03 1.13e-04   57.470 57
CPL   1.712    0.477      20.8   15.9      2.50e-03 2.43e-03   54.940 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.836    0.441    -      -           3.44e-03 1.03e-03   75.130 57
CPL   1.349    1.641      54.9    0.0      6.68e-03 0.00e+00   74.920 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: 59.392000 sec.
T50 in the 50-300 keV band: 40.896000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   96.640   21.096  117.736
T90    73.216   24.808   98.024
T50    31.296   39.336   70.632
Peak    1.000   59.412   60.412
  • 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
       98.4685   -19.8995   0.0090     1.9149    59.9138         1.5992914     21.485 TRIG_00574935                 
     
    Foreground time interval of the image:
     21.096  72.901 (delta_t =  51.805 [sec])
    Background time interval of the image:
    -239.000  21.096 (delta_t = 260.096 [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

    8 ms binning

    From T100_start-3 s to T100_start+3 s

    2 ms binning

    From T100_start-1 s to T100_start+1 s

    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)

    The mask-weighted light curves based on cleaned DPHs

    Spectral Evolution

    Spectra

    Notes:

    Time averaged spectrum fit using the average DRM

    Power-law model
    Time interval is from   21.096 sec. to  117.736 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.24462     ( -0.136883   0.142607 )
    Norm@50keV  : 1.19428E-03    ( -0.000113898   0.000112442 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          57.47 using 59 PHA bins.
    # Reduced chi-squared =          1.008 for     57 degrees of freedom 
    # Null hypothesis probability =   4.577727e-01
     
    Photon flux (15-150 keV)    in 96.64 sec: 0.202474 ( -0.0136141  0.0136199 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.09246e-06 ( -8.71246e-08  8.86601e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   21.096 sec. to  117.736 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.71234     ( -0.668119   0.285758 )
    Epeak [keV] : 20.7575      ( -19.2289 12.4732 )
    Norm@50keV  : 2.50313E-03    ( -0.000999266   0.00385717 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          54.94 using 59 PHA bins.
    # Reduced chi-squared =         0.9811 for     56 degrees of freedom 
    # Null hypothesis probability =   5.148766e-01
     
    Photon flux (15-150 keV)    in 96.64 sec: 0.197522 ( -0.01449  0.014539 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.02553e-06 ( -1.04878e-07  1.11861e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from   21.096 sec. to  117.736 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 0.716847   ( -4.97158   -2.6122 )
    beta        : -2.42347    ( -0.243507   0.197334 )
    Epeak [keV] : 23.6622      ( -5.31119 3.67469 )
    Norm@50keV   : 0.180415    ( -0.177758   246.875 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.36 using 59 PHA bins.
    # Reduced chi-squared =         0.9702 for     55 degrees of freedom 
    # Null hypothesis probability =   5.373922e-01
     
    Photon flux (15-150 keV)    in 96.64 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.05146e-06 ( -1.05079e-06  -9.36674e-08 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 8.39447  (-0.674078  0.733848)
    R^2/D10^2   : 0.176062  (-0.0506161   0.0714352)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          93.59 using 59 PHA bins.
    # Reduced chi-squared =          1.642 for     57 degrees of freedom 
    # Null hypothesis probability =   1.613326e-03
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.242e-07   2.464e-08
    25- 50  4.258e-07   3.605e-08
    50-150  1.307e-07   2.942e-08
    15-150  7.807e-07   6.586e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 44.4225       (-7.62876      10.3148)
    Norm        : 1.21022       (-0.156157     0.185171)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          55.87 using 59 PHA bins.
    # Reduced chi-squared =         0.9801 for     57 degrees of freedom 
    # Null hypothesis probability =   5.176518e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.774e-07   2.513e-08
    25- 50  3.812e-07   2.890e-08
    50-150  3.295e-07   7.118e-08
    15-150  9.880e-07   9.026e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 5.06361        (-0.927608      1.02402)
    R1^2/D10^2  : 0.980507        (-0.48399      1.20516)
    kT2 [keV]   : 15.8227        (-3.19317      5.51811)
    R2^2/D10^2  : 9.43488E-03    (-0.00674936   0.0130171)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.78 using 59 PHA bins.
    # Reduced chi-squared =         0.9778 for     55 degrees of freedom 
    # Null hypothesis probability =   5.213530e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  2.896e-07   8.925e-08
    25- 50  3.605e-07   1.061e-07
    50-150  3.506e-07   1.875e-07
    15-150  1.001e-06   2.827e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from   59.412 sec. to   60.412 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.83598     ( -0.417389   0.46419 )
    Norm@50keV  : 3.44213E-03    ( -0.00105243   0.00100201 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          75.13 using 59 PHA bins.
    # Reduced chi-squared =          1.318 for     57 degrees of freedom 
    # Null hypothesis probability =   5.406302e-02
     
    Photon flux (15-150 keV)    in 1 sec: 0.481098 ( -0.115906  0.115907 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.1656e-08 ( -9.29286e-09  9.75795e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   59.412 sec. to   60.412 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.34864     ( -2.45037   0.830929 )
    Epeak [keV] : 54.9362      (   )
    Norm@50keV  : 6.68349E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.92 using 59 PHA bins.
    # Reduced chi-squared =          1.338 for     56 degrees of freedom 
    # Null hypothesis probability =   4.648464e-02
     
    Photon flux (15-150 keV)    in 1 sec: 0.474833 ( -0.117911  0.116662 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.9971e-08 ( -1.00648e-08  1.10425e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from   59.412 sec. to   60.412 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 4.96804   ( -4.96804   -4.96804 )
    beta        : -1.94846    ( -0.749614   0.470682 )
    Epeak [keV] : 21.1506      ( -21.1506 8.88648 )
    Norm@50keV   : 1404.48    ( -335.786   4.62677e+06 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.42 using 59 PHA bins.
    # Reduced chi-squared =          1.353 for     55 degrees of freedom 
    # Null hypothesis probability =   4.165341e-02
     
    Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 3.01494e-08 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 10.5627  (-2.77689  3.67023)
    R^2/D10^2   : 0.188586  (-0.126671   0.396013)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          78.42 using 59 PHA bins.
    # Reduced chi-squared =          1.376 for     57 degrees of freedom 
    # Null hypothesis probability =   3.147505e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.356e-09   2.313e-09
    25- 50  1.168e-08   5.004e-09
    50-150  7.126e-09   4.405e-09
    15-150  2.316e-08   1.335e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 84.8498       (-45.8286      -84.8498)
    Norm        : 2.23930       (-0.639354     1.01428)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.91 using 59 PHA bins.
    # Reduced chi-squared =          1.314 for     57 degrees of freedom 
    # Null hypothesis probability =   5.597629e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.830e-09   2.413e-09
    25- 50  9.731e-09   5.615e-09
    50-150  1.428e-08   1.166e-08
    15-150  2.984e-08   1.892e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 4.54760        (-2.6812      6.74501)
    R1^2/D10^2  : 2.64848        (-2.45911      226.298)
    kT2 [keV]   : 15.7574        (-5.86376      -15.7555)
    R2^2/D10^2  : 3.34617E-02    (-0.033265   0.187539)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          74.78 using 59 PHA bins.
    # Reduced chi-squared =          1.360 for     55 degrees of freedom 
    # Null hypothesis probability =   3.920740e-02
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.062e-09   3.478e-09
    25- 50  9.383e-09   4.817e-09
    50-150  1.240e-08   7.550e-09
    15-150  2.785e-08   1.510e-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: 2.21794     ( -0.130461   0.135542 )
    Norm@50keV  : 1.69870E-03    ( -0.000155113   0.000153283 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.99 using 59 PHA bins.
    # Reduced chi-squared =          1.105 for     57 degrees of freedom 
    # Null hypothesis probability =   2.726709e-01
     
    Photon flux (15-150 keV)    in 51.8 sec: 0.283905 ( -0.0186725  0.0186798 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.29458e-07 ( -6.44729e-08  6.5541e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.47029     ( -0.706973   0.524608 )
    Epeak [keV] : 26.8386      (   )
    Norm@50keV  : 4.84525E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.19 using 59 PHA bins.
    # Reduced chi-squared =          1.039 for     56 degrees of freedom 
    # Null hypothesis probability =   3.945346e-01
     
    Photon flux (15-150 keV)    in 51.8 sec: 0.274795 ( -0.019815  0.019865 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.5972e-07 ( -7.66847e-08  8.24138e-08 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 0.877259   ( -1.33634   5.01643 )
    beta        : -2.53991    ( -0.376495   0.251249 )
    Epeak [keV] : 26.3145      ( -4.37004 4.2456 )
    Norm@50keV   : 0.252705    ( -0.24864   178.093 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          53.90 using 59 PHA bins.
    # Reduced chi-squared =         0.9800 for     55 degrees of freedom 
    # Null hypothesis probability =   5.167897e-01
     
    Photon flux (15-150 keV)    in 51.8 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.80196e-07 ( -7.79833e-07  -6.93084e-08 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 3.49e-07
    S(50-100 keV) = 2.95e-07
    

    T90 vs. Hardness ratio plot

    T90                                   = 73.2159999608994 sec.
    Hardness ratio (energy fluence ratio) = 0.845272
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.918099
    Count Ratio (50-100 keV) / (15-25 keV) = 0.362039
    

    Mask shadow pattern

    IMX = 1.676086241716447E-02, IMY = -2.893002242861716E-02
    

    TIME vs. PHA plot around the trigger time

    TIME vs. DetID plot around the trigger time

    100 us light curve (15-350 keV)

    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:
    -239.000000 21.096000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6423  22.0215    0.6  44.2  153.2  10.7513  18.8    0.7	Crab                          
    135.5930 -40.5239    1.8  37.0  -51.3   1.9653   6.5    3.5	Vela X-1                      
     64.4819   2.7856    2.7  41.5  113.5   3.3406   4.3 ------	UNKNOWN                       
     76.8144 -58.0095    2.4  42.6   13.7   1.6351   4.8 ------	UNKNOWN                       
     83.7341 -59.1164    2.9  41.8    8.2   1.2475   3.9 ------	UNKNOWN                       
     92.4763 -40.7359    2.5  22.7   11.1   0.9097   4.7 ------	UNKNOWN                       
    107.4238 -38.7993    2.6  20.7  -20.3   0.8678   4.5 ------	UNKNOWN                       
    110.9571 -39.2946    2.2  22.2  -26.7   0.9997   5.4 ------	UNKNOWN                       
    119.5836  -8.9615    2.5  21.2 -120.2   0.9266   4.7 ------	UNKNOWN                       
    129.7111  21.4686    3.2  49.7 -147.6   1.8640   3.6 ------	UNKNOWN                       
    139.3189   7.1541    2.3  46.5 -125.1   4.4598   4.9 ------	UNKNOWN                       
    

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

    Time interval of the image:
    21.096000 72.900600
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.5141  22.0594   16.7  44.3  153.0   0.1303   0.7    7.2	Crab                          
    135.5557 -40.6032   10.4  37.0  -51.2  -0.1413  -1.1    3.2	Vela X-1                      
     88.0494  -9.1935    2.1  15.4  123.7   0.4175   5.5 ------	UNKNOWN                       
     98.4686 -19.8995    0.5   1.9   59.9   1.5989  21.5 ------	UNKNOWN                       
    116.8525 -33.9556    2.3  20.9  -45.8   0.3908   5.0 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    97.700600 963.157200
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6363  22.0199    0.5  44.3  145.9  35.3048  22.6    0.4	Crab                          
    135.5422 -40.5441    2.0  37.7  -62.8   7.0128   5.7    0.9	Vela X-1                      
     61.8123 -59.8268    3.4  47.7    9.6   3.3336   3.4 ------	UNKNOWN                       
    107.4301  19.4387    2.5  40.3  178.8   3.1086   4.6 ------	UNKNOWN                       
    112.5538  31.5532    3.1  53.2 -179.3   5.7331   3.7 ------	UNKNOWN                       
    114.3916 -41.6078    2.8  25.6  -42.7   1.9926   4.1 ------	UNKNOWN                       
    135.1635 -75.6264    3.8  58.9  -24.3  10.8253   3.0 ------	UNKNOWN                       
    142.1600 -18.9200    4.7  41.1  -98.0   7.6233   2.5 ------	UNKNOWN                       
    141.2322   0.3896    2.6  46.5 -125.0  10.2383   4.4 ------	UNKNOWN                       
    141.0129   3.6796    2.9  48.0 -129.0   8.7098   3.9 ------	UNKNOWN                       
    
    Plot creation:
    Sat May 30 15:22:32 EDT 2015