batgrbproduct analysis for trigger=227996

batgrbproduct Analysis for Trigger=227996

Analysis Summary

Notes:

1) No attempt has been made to eliminate the non-significant decimal places.
2) This batgrbproduct analysis is done using the HEASARC data.
3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jan 22 14:02:42 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger227996
======================================================================

  Trigger: 00227996      Segment: 000

  BAT Trigger Time: 179024602.624   [s; MET]
      Trigger Stop: 179024603.648   [s; MET]
               UTC: 2006-09-04T01:03:21.201840    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 237.743100468034   Dec: 44.9659595410251  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    7.71
     Image Trigger?:     NO
     Rate S/N Ratio:     12.1243556529821  [ if not an image trigger ]
     Image S/N Ratio:    7.71

  Flight Position:   [ source = BAT ]
    RA: 237.743100468034   Dec: 44.9659595410251  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 237.738873815242   Dec: 44.9853710635816  [deg; J2000]  
        { 15h 50m 57.3s , +44d 59' 07.3" }
         +/- 1.51048193891922 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.570196053089405 [arcmin] (formal 1-sigma fit error)
    SNR: 16.8748158356727
 
  Angular difference between Flight and Ground position is 1.178427 arcmin
 
  Partial Coding Fraction: 0.9375    [ including projection effects ]

  Duration
     T90: 80.0600000023842 +/- 2.21841745547793
        Measured from: -0.920000016689301
                   to: 79.1399999856949     [s; relative to TRIGTIME]
     T50: 25.891999989748 +/- 1.91429151152794
        Measured from: 34.5
                   to: 60.391999989748     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 55.339999973774     
                   to: 56.339999973774     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -23.8880000114441     
                   to: 109.759999990463     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.729578   4.891257   3.629776   0.876259
           0.057203   0.060701   0.054790   0.048081 [error]
 Peak      0.142439   0.214851   0.220396   0.065028
           0.006627   0.007753   0.007745   0.005730 [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 1.10e-06 1.97e-06 2.72e-06 7.75e-06 7.83e-06 1.35e-05   erg/cm2
              Error 4.49e-08 4.50e-08 6.15e-08 4.22e-07 1.50e-07 4.44e-07   erg/cm2
Peak flux Power-law 1.22e+00 1.53e+00 1.40e+00 2.23e+00 4.91e+00 6.38e+00   ph/cm2/s
              Error 9.51e-02 7.06e-02 6.13e-02 2.17e-01 1.91e-01 2.64e-01   ph/cm2/s
 
Fluence   Cutoff-PL 1.10e-06 1.98e-06 2.72e-06 7.20e-06 7.83e-06 1.30e-05   erg/cm2
              Error 5.28e-08 4.14e-08 6.12e-08 8.47e-07 1.18e-07 8.27e-07   erg/cm2
Peak flux Cutoff-PL 1.20e+00 1.53e+00 1.40e+00 2.10e+00 4.90e+00 6.24e+00   ph/cm2/s
              Error 1.07e-01 7.69e-02 6.13e-02 3.48e-01 1.93e-01 3.83e-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    1.540    0.038    -      -           6.22e-03 1.16e-04   35.610 57
CPL   1.537    0.038    10000.0    0.0      6.23e-03 1.16e-04   35.610 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.129    0.070    -      -           4.22e-02 1.60e-03   62.810 57
CPL   1.125    0.070    9999.4    0.0      4.24e-02 3.52e-03   62.850 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: 73.920000 sec.
T50 in the 50-300 keV band: 22.336000 sec.

 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100  133.648  -23.888  109.760
T90    80.060   -0.920   79.140
T50    25.892   34.500   60.392
Peak    1.000   55.340   56.340

Click here for the BAT GCN circular template

Image

Pre-slew 15.0-350.0 keV image (Event data)

#   RAcent    DECcent   POSerr    Theta     Phi              Peak Cts       SNR   Name
  237.7389    44.9854   0.0114    13.6843   132.5773         1.7044509     16.875 TRIG_00227996                 
 
Foreground time interval of the image:
-23.888  15.677 (delta_t =  39.565 [sec])
Background time interval of the image:
-47.523 -23.888 (delta_t =  23.635 [sec])

Lightcurves

Notes:

1) The mask-weighted light curves are using the flight position.
2) Multiple plots of different time binning/intervals are shown to cover all scenarios of short/long GRBs, rate/image triggers, and real/false positives.
3) For all the mask-weighted lightcurves, the y-axis units are counts/sec/det where a det is 0.4 x 0.4 = 0.16 sq cm.
4) The verticle lines correspond to following: green dotted lines are T50 interval, black dotted lines are T90 interval, blue solid line(s) is a spacecraft slew start time, and orange solid line(s) is a spacecraft slew end time.
5) Time of each bin is in the middle of the bin.

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 1.024000

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 1.024000

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 1.024000

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:

1) The fitting includes the systematic errors.
2) When the burst includes telescope slew time periods, the fitting uses an average response file made from multiple 5-s response files through out the slew time plus single time preiod for the non-slew times, and weighted by the total counts in the corresponding time period using addrmf. An average response file is needed becuase a spectral fit using the pre-slew DRM will introduce some errors in both a spectral shape and a normalization if the PHA file contains a lot of the slew/post-slew time interval.
3) For fits to more complicated models (e.g. a power-law over a cutoff power-law), the BAT team has decided to require a chi-square improvement of more than 6 for each extra dof.

Time averaged spectrum fit using the average DRM

Power-law model

Time interval is from  -23.888 sec. to  109.760 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.53997     ( -0.0377607   0.0377549 )
Norm@50keV  : 6.21667E-03    ( -0.000115626   0.000115619 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          35.61 using 59 PHA bins.
# Reduced chi-squared =         0.6248 for     57 degrees of freedom 
# Null hypothesis probability =   9.882021e-01
 
Photon flux (15-150 keV)    in 133.6 sec: 0.784728 ( -0.0171557  0.0172282 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.83024e-06 ( -1.50025e-07  1.50184e-07 ) ergs/cm2

Cutoff power-law model

Time interval is from  -23.888 sec. to  109.760 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.53736     ( -0.0353637   0.0408444 )
Epeak [keV] : 9999.99      (   )
Norm@50keV  : 6.23358E-03    ( -0.00011582   0.000115818 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          35.61 using 59 PHA bins.
# Reduced chi-squared =         0.6359 for     56 degrees of freedom 
# Null hypothesis probability =   9.846973e-01
 
Photon flux (15-150 keV)    in 133.6 sec: 0.784223 ( -0.020074  0.017014 ) ph/cm2/s
Energy fluence (15-150 keV)             : 7.83086e-06 ( -8.67866e-08  1.4883e-07 ) ergs/cm2

Band function

Time interval is from  -23.888 sec. to  109.760 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.169115   ( 0.646905   5.58214 )
beta        : -1.55449    ( -0.0458294   0.0414627 )
Epeak [keV] : 35.2856      ( -35.2909 100.559 )
Norm@50keV   : 5.94853E-02    ( -0.0601364   441.811 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          33.54 using 59 PHA bins.
# Reduced chi-squared =         0.6098 for     55 degrees of freedom 
# Null hypothesis probability =   9.901080e-01
 
Photon flux (15-150 keV)    in 133.6 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]    : 17.1352  (  )
R^2/D10^2   : 5.19066E-02  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         649.16 using 59 PHA bins.
# Reduced chi-squared =         11.389 for     57 degrees of freedom 
# Null hypothesis probability =  2.381464e-101
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  4.138e-07   1.810e-08
25- 50  1.842e-06   4.810e-08
50-150  3.872e-06   1.269e-07
15-150  6.128e-06   1.256e-07

Thermal bremsstrahlung (OTTB)

 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 3.18141       (-0.0591833     0.0591815)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.63 using 59 PHA bins.
# Reduced chi-squared =         0.9585 for     57 degrees of freedom 
# Null hypothesis probability =   5.644013e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.059e-06   2.425e-08
25- 50  2.036e-06   4.409e-08
50-150  4.466e-06   1.002e-07
15-150  7.561e-06   1.723e-07

Double BB

 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.39929        (-0.537422      0.571258)
R1^2/D10^2  : 0.671969        (-0.155848      0.214311)
kT2 [keV]   : 28.9979        (-2.03381      2.50398)
R2^2/D10^2  : 6.84251E-03    (-0.00172094   0.00203609)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.96 using 59 PHA bins.
# Reduced chi-squared =         0.9447 for     55 degrees of freedom 
# Null hypothesis probability =   5.916520e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.562e-07   7.208e-08
25- 50  2.015e-06   6.880e-08
50-150  4.746e-06   2.077e-07
15-150  7.717e-06   2.485e-07

Peak spectrum fit

Power-law model

Time interval is from   55.340 sec. to   56.340 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.12872     ( -0.0701031   0.0698484 )
Norm@50keV  : 4.22197E-02    ( -0.00159859   0.00159833 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.81 using 59 PHA bins.
# Reduced chi-squared =          1.102 for     57 degrees of freedom 
# Null hypothesis probability =   2.780928e-01
 
Photon flux (15-150 keV)    in 1 sec: 4.91173 ( -0.191297  0.191608 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.37457e-07 ( -1.86109e-08  1.87212e-08 ) ergs/cm2

Cutoff power-law model

Time interval is from   55.340 sec. to   56.340 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.12547     ( -0.0721767   0.0688231 )
Epeak [keV] : 9999.35      ( -9999.36 -9999.36 )
Norm@50keV  : 4.24162E-02    ( -0.00160482   0.00544278 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.85 using 59 PHA bins.
# Reduced chi-squared =          1.122 for     56 degrees of freedom 
# Null hypothesis probability =   2.466902e-01
 
Photon flux (15-150 keV)    in 1 sec: 4.89945 ( -0.18532  0.20015 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.37111e-07 ( 0  0 ) ergs/cm2

Band function

Time interval is from   55.340 sec. to   56.340 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 4.95174   ( -4.95174   -4.95174 )
beta        : -1.14207    ( -0.0764254   0.0723206 )
Epeak [keV] : 22.2670      ( -22.267 4.4722 )
Norm@50keV   : 5795.24    ( -219.128   7.4967e+06 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          62.38 using 59 PHA bins.
# Reduced chi-squared =          1.134 for     55 degrees of freedom 
# Null hypothesis probability =   2.305037e-01
 
Photon flux (15-150 keV)    in 1 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]    : 20.9318  (  )
R^2/D10^2   : 0.195026  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         233.37 using 59 PHA bins.
# Reduced chi-squared =         4.0942 for     57 degrees of freedom 
# Null hypothesis probability =   3.339828e-23
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.617e-08   1.210e-09
25- 50  8.293e-08   4.695e-09
50-150  2.707e-07   1.660e-08
15-150  3.698e-07   1.845e-08

Thermal bremsstrahlung (OTTB)

 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 20.1545       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         168.73 using 59 PHA bins.
# Reduced chi-squared =         2.9601 for     57 degrees of freedom 
# Null hypothesis probability =   5.493000e-13
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.019e-08   2.110e-09
25- 50  9.654e-08   3.840e-09
50-150  2.117e-07   9.000e-09
15-150  3.585e-07   1.560e-08

Double BB

 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.18080        (-0.891804      1.02105)
R1^2/D10^2  : 3.81960        (-1.38161      2.30272)
kT2 [keV]   : 34.3059        (-3.77497      5.17058)
R2^2/D10^2  : 3.64827E-02    (-0.0125832   0.0160229)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          57.76 using 59 PHA bins.
# Reduced chi-squared =          1.050 for     55 degrees of freedom 
# Null hypothesis probability =   3.737918e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  3.863e-08   5.075e-09
25- 50  8.670e-08   8.735e-09
50-150  3.203e-07   3.185e-08
15-150  4.456e-07   3.740e-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: 1.51346     ( -0.0920224   0.0925269 )
Norm@50keV  : 3.12630E-03    ( -0.000160842   0.000160275 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          44.21 using 59 PHA bins.
# Reduced chi-squared =         0.7755 for     57 degrees of freedom 
# Null hypothesis probability =   8.921718e-01
 
Photon flux (15-150 keV)    in 39.56 sec: 0.391714 ( -0.0198184  0.019841 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.17072e-06 ( -6.65803e-08  6.70775e-08 ) ergs/cm2

Cutoff power-law model

Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.19684     ( -0.378032   0.344484 )
Epeak [keV] : 124.471      ( -43.3121 -124.471 )
Norm@50keV  : 4.52905E-03    ( -0.0014491   0.00244603 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.78 using 59 PHA bins.
# Reduced chi-squared =         0.7461 for     56 degrees of freedom 
# Null hypothesis probability =   9.212187e-01
 
Photon flux (15-150 keV)    in 39.56 sec: 0.384418 ( -0.021303  0.021293 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.13546e-06 ( -7.73754e-08  7.73675e-08 ) ergs/cm2

Band function

 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 3.50121E-02   ( -1.22227   0.423938 )
beta        : -1.62855    ( 1.62383   0.138699 )
Epeak [keV] : 41.4575      ( -20.503 147.945 )
Norm@50keV   : 3.22745E-02    ( -0.0336996   116.384 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.34 using 59 PHA bins.
# Reduced chi-squared =         0.7334 for     55 degrees of freedom 
# Null hypothesis probability =   9.307228e-01
 
Photon flux (15-150 keV)    in 39.56 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)  = 1.97e-06
S(50-100 keV) = 2.72e-06

T90 vs. Hardness ratio plot

T90                                   = 80.0600000023842 sec.
Hardness ratio (energy fluence ratio) = 1.38071

Color vs. Color plot

Count Ratio  (25-50 keV) / (15-25 keV) = 1.31148
Count Ratio (50-100 keV) / (15-25 keV) = 0.97324

Mask shadow pattern

IMX = -1.647376226583960E-01, IMY = -1.792931515480695E-01

TIME vs. PHA plot around the trigger time

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 1.024000

TIME vs. DetID plot around the trigger time

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 1.024000

100 us light curve (15-350 keV)

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 1.024000

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:
-47.523410 -23.888000
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
254.4423  35.1963    4.5  29.7  136.4   0.1656   2.6    8.8	Her X-1                       
289.7059  63.1447    2.4  39.6   74.0   0.8448   4.9 ------	UNKNOWN                       
203.7302   3.4355    2.0  47.5 -127.9   1.1033   5.8 ------	UNKNOWN

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

Time interval of the image:
-23.888000 15.676580
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
254.6204  35.4920   10.4  29.6  135.8   0.1469   1.1   12.0	Her X-1                       
346.2245  79.2827    2.1  47.9   43.3   2.4851   5.5 ------	UNKNOWN                       
237.7389  44.9854    0.7  13.7  132.6   1.7043  16.9 ------	UNKNOWN                       
220.4297  -8.1948    2.0  57.4 -150.4   3.2740   5.6 ------	UNKNOWN                       
148.5592  36.6101    2.7  50.9  -44.6   1.8870   4.2 ------	UNKNOWN

Post-slew image of 15-350 keV band

Time interval of the image:
54.476600 962.454000
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
254.4162  35.2487    2.9  16.0  127.3   1.7560   4.0    6.0	Her X-1                       
274.8838  24.9520    2.5  36.0  116.8   4.0472   4.6 ------	UNKNOWN                       
322.1437  82.2363    2.3  44.8   16.6   4.1185   5.1 ------	UNKNOWN                       
244.8351  -8.8828    3.4  54.2  176.9   5.2648   3.4 ------	UNKNOWN                       
237.7294  44.9845    0.8   0.0  -82.4   6.3836  14.6 ------	UNKNOWN                       
207.0226  33.2325    5.4  26.4 -100.2   1.1613   2.1 ------	UNKNOWN                       
217.6741  -1.5319    3.4  49.8 -147.7   3.4922   3.4 ------	UNKNOWN

Plot creation:
Sun May 31 12:13:18 EDT 2015