batgrbproduct analysis for trigger=295670

batgrbproduct Analysis for Trigger=295670

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): Mon Jan 20 05:55:21 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger295670
======================================================================

  Trigger: 00295670      Segment: 000

  BAT Trigger Time: 215485599.296   [s; MET]
      Trigger Stop: 215485603.392   [s; MET]
               UTC: 2007-10-31T01:06:36.967720    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 6.45831176275914   Dec: -58.0454373126827  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    9.48
     Image Trigger?:     NO
     Rate S/N Ratio:     8.71779788708135  [ if not an image trigger ]
     Image S/N Ratio:    9.48

  Flight Position:   [ source = BAT ]
    RA: 6.45831176275914   Dec: -58.0454373126827  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 6.39556426309878   Dec: -58.0521229914089  [deg; J2000]  
        { 00h 25m 34.9s , -58d 03' 07.6" }
         +/- 1.84002580802787 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.900274171380138 [arcmin] (formal 1-sigma fit error)
    SNR: 12.7291235625573
 
  Angular difference between Flight and Ground position is 2.032329 arcmin
 
  Partial Coding Fraction: 0.75    [ including projection effects ]

  Duration
     T90: 180.643999993801 +/- 30.3420000084132
        Measured from: -1.12799999117851
                   to: 179.516000002623     [s; relative to TRIGTIME]
     T50: 114.236000001431 +/- 13.8757532464854
        Measured from: 7.24799999594688
                   to: 121.483999997377     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 2.55599999427795     
                   to: 3.55599999427795     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -4.53200000524521     
                   to: 192.479999989271     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.896535   0.625673   0.320062   0.237384
           0.068208   0.070523   0.062548   0.055764 [error]
 Peak      0.023635   0.022364   0.011461   0.010572
           0.005493   0.005779   0.005069   0.004362 [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 2.67e-07 2.92e-07 2.29e-07 2.94e-07 8.98e-07 1.08e-06   erg/cm2
              Error 3.89e-08 3.53e-08 5.93e-08 1.48e-07 1.29e-07 2.21e-07   erg/cm2
Peak flux Power-law 2.47e-01 1.78e-01 8.52e-02 5.75e-02 5.37e-01 5.68e-01   ph/cm2/s
              Error 9.17e-02 4.82e-02 4.47e-02 6.05e-02 1.39e-01 1.53e-01   ph/cm2/s
 
Fluence   Cutoff-PL 2.68e-07 2.92e-07 2.25e-07 2.82e-07 8.92e-07 1.07e-06   erg/cm2
              Error 3.76e-08 3.54e-08 5.91e-08 1.32e-07 1.27e-07 2.25e-07   erg/cm2
Peak flux Cutoff-PL 2.48e-01 1.78e-01 8.45e-02 5.62e-02 5.37e-01 5.66e-01   ph/cm2/s
              Error 9.15e-02 4.82e-02 4.47e-02 7.25e-02 1.39e-01 1.51e-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    2.355    0.264    -      -           4.72e-04 8.70e-05   58.890 57
CPL   2.927    0.000     294.5    0.0      2.49e-04 0.00e+00   55.890 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.064    0.613    -      -           3.48e-03 1.36e-03   36.660 57
CPL   2.126    0.837      54.2    0.0      2.90e-03 0.00e+00   36.310 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  197.012   -4.532  192.480
T90   180.644   -1.128  179.516
T50   114.236    7.248  121.484
Peak    1.000    2.556    3.556

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
    6.3956   -58.0521   0.0151    27.7133  -139.7044         1.0136503     12.729 TRIG_00295670                 
 
Foreground time interval of the image:
 -4.532  43.605 (delta_t =  48.137 [sec])
Background time interval of the image:
-239.296  -4.532 (delta_t = 234.764 [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 4.096000

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 4.096000

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 4.096000

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   -4.532 sec. to  192.480 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.35491     ( -0.251937   0.276665 )
Norm@50keV  : 4.71734E-04    ( -8.81305e-05   8.57736e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.89 using 59 PHA bins.
# Reduced chi-squared =          1.033 for     57 degrees of freedom 
# Null hypothesis probability =   4.060708e-01
 
Photon flux (15-150 keV)    in 197 sec: 8.50341E-02 ( -0.0090658  0.00906584 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.97676e-07 ( -1.26106e-07  1.31414e-07 ) ergs/cm2

Cutoff power-law model

Time interval is from   -4.532 sec. to  192.480 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.92691     (     )
Epeak [keV] : 294.524      (   )
Norm@50keV  : 2.48778E-04    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          55.89 using 59 PHA bins.
# Reduced chi-squared =         0.9980 for     56 degrees of freedom 
# Null hypothesis probability =   4.790043e-01
 
Photon flux (15-150 keV)    in 197 sec: 8.49925E-02 ( -0.0090639  0.0090602 ) ph/cm2/s
Energy fluence (15-150 keV)             : 8.91801e-07 ( -1.20633e-07  1.33603e-07 ) ergs/cm2

Band function

Time interval is from   -4.532 sec. to  192.480 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.66971   ( 1.6704   1.6704 )
beta        : -2.35299    ( -1.09942   0.250633 )
Epeak [keV] : 7.01249      ( -6.75942 9993.06 )
Norm@50keV   : 2.17776E-03    ( -0.00223296   324807 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.90 using 59 PHA bins.
# Reduced chi-squared =          1.071 for     55 degrees of freedom 
# Null hypothesis probability =   3.349444e-01
 
Photon flux (15-150 keV)    in 197 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]    : 6.42896  (-0.899231  1.08965)
R^2/D10^2   : 0.212931  (-0.102376   0.196497)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          88.27 using 59 PHA bins.
# Reduced chi-squared =          1.549 for     57 degrees of freedom 
# Null hypothesis probability =   4.967491e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.527e-07   5.216e-08
25- 50  2.918e-07   5.959e-08
50-150  3.518e-08   1.662e-08
15-150  5.798e-07   9.003e-08

Thermal bremsstrahlung (OTTB)

 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 37.3176       (-11.2704      19.2484)
Norm        : 0.560620       (-0.133099     0.197905)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          67.49 using 59 PHA bins.
# Reduced chi-squared =          1.184 for     57 degrees of freedom 
# Null hypothesis probability =   1.611238e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.474e-07   3.260e-08
25- 50  3.156e-07   4.580e-08
50-150  2.259e-07   8.408e-08
15-150  7.890e-07   1.249e-07

Double BB

 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 4.79337        (-0.833569      0.932904)
R1^2/D10^2  : 0.667693        (-0.357466      0.507771)
kT2 [keV]   : 27.4150        (-9.77842      27.8669)
R2^2/D10^2  : 6.02128E-04    (-0.000513492   0.00210885)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          54.92 using 59 PHA bins.
# Reduced chi-squared =         0.9986 for     55 degrees of freedom 
# Null hypothesis probability =   4.776563e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.841e-07   9.592e-08
25- 50  2.456e-07   6.989e-08
50-150  4.827e-07   2.736e-07
15-150  1.012e-06   3.623e-07

Peak spectrum fit

Power-law model

Time interval is from    2.556 sec. to    3.556 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.06449     ( -0.549623   0.675484 )
Norm@50keV  : 3.47591E-03    ( -0.00143837   0.00128796 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.66 using 59 PHA bins.
# Reduced chi-squared =         0.6432 for     57 degrees of freedom 
# Null hypothesis probability =   9.834149e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.537457 ( -0.139232  0.139224 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.21891e-08 ( -1.10452e-08  1.17943e-08 ) ergs/cm2

Cutoff power-law model

Time interval is from    2.556 sec. to    3.556 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.12622     ( -1.01828   0.655466 )
Epeak [keV] : 54.1650      (   )
Norm@50keV  : 2.89916E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.31 using 59 PHA bins.
# Reduced chi-squared =         0.6483 for     56 degrees of freedom 
# Null hypothesis probability =   9.809395e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.537097 ( -0.139051  0.138982 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.17818e-08 ( -1.06449e-08  1.15043e-08 ) ergs/cm2

Band function

Time interval is from    2.556 sec. to    3.556 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.55033   ( 1.54605   1.54605 )
beta        : -2.05304    ( 2.06452   0.549279 )
Epeak [keV] : 12.7332      ( -13.4997 -13.4997 )
Norm@50keV   : 1.07768E-02    ( -0.0107597   9.28649 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          36.67 using 59 PHA bins.
# Reduced chi-squared =         0.6667 for     55 degrees of freedom 
# Null hypothesis probability =   9.729606e-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]    : 7.50059  (-2.64293  4.02405)
R^2/D10^2   : 0.712813  (-0.705978   3.48535)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          43.94 using 59 PHA bins.
# Reduced chi-squared =         0.7708 for     57 degrees of freedom 
# Null hypothesis probability =   8.976289e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.883e-09   4.088e-09
25- 50  1.074e-08   6.480e-09
50-150  2.270e-09   1.854e-09
15-150  1.989e-08   1.214e-08

Thermal bremsstrahlung (OTTB)

 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 63.5787       (-40.4613      -63.8136)
Norm        : 2.69664       (-1.01831     2.46999)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          38.48 using 59 PHA bins.
# Reduced chi-squared =         0.6750 for     57 degrees of freedom 
# Null hypothesis probability =   9.715957e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  6.837e-09   2.959e-09
25- 50  1.059e-08   5.372e-09
50-150  1.263e-08   9.552e-09
15-150  3.005e-08   1.856e-08

Double BB

 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.22706        (-2.66102      3.24595)
R1^2/D10^2  : 2.74745        (-2.29691      78.7325)
kT2 [keV]   : 45.3547        (-34.0509      -46.7168)
R2^2/D10^2  : 1.17096E-03    (-0.00104027   0.0689906)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          35.95 using 59 PHA bins.
# Reduced chi-squared =         0.6537 for     55 degrees of freedom 
# Null hypothesis probability =   9.781047e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.238e-09   4.822e-09
25- 50  7.788e-09   4.299e-09
50-150  2.240e-08   1.369e-08
15-150  3.843e-08   2.038e-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: 2.28258     ( -0.265179   0.292893 )
Norm@50keV  : 1.02747E-03    ( -0.000201987   0.000195076 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          93.22 using 59 PHA bins.
# Reduced chi-squared =          1.635 for     57 degrees of freedom 
# Null hypothesis probability =   1.750340e-03
 
Photon flux (15-150 keV)    in 48.14 sec: 0.177835 ( -0.0209917  0.0209918 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.71182e-07 ( -7.26673e-08  7.56207e-08 ) ergs/cm2

Cutoff power-law model

Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.75286     (     )
Epeak [keV] : 253.571      (   )
Norm@50keV  : 6.01200E-04    ( -0.00031864   0.000643955 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          91.75 using 59 PHA bins.
# Reduced chi-squared =          1.638 for     56 degrees of freedom 
# Null hypothesis probability =   1.825480e-03
 
Photon flux (15-150 keV)    in 48.14 sec: 0.177753 ( -0.020982  0.020983 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.68705e-07 ( -7.04105e-08  7.40971e-08 ) ergs/cm2

Band function

 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.61257   ( 1.61428   1.61428 )
beta        : -2.27987    ( 2.28115   0.264024 )
Epeak [keV] : 8.83357      ( -8.35315 9989.33 )
Norm@50keV   : 4.43400E-03    ( -0.004581   618123 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          93.22 using 59 PHA bins.
# Reduced chi-squared =          1.695 for     55 degrees of freedom 
# Null hypothesis probability =   9.870623e-04
 
Photon flux (15-150 keV)    in 48.14 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)  = 2.92e-07
S(50-100 keV) = 2.29e-07

T90 vs. Hardness ratio plot

T90                                   = 180.643999993801 sec.
Hardness ratio (energy fluence ratio) = 0.784247

Color vs. Color plot

Count Ratio  (25-50 keV) / (15-25 keV) = 0.697879
Count Ratio (50-100 keV) / (15-25 keV) = 0.356999

Mask shadow pattern

IMX = -4.006616742400414E-01, IMY = 3.397329664709020E-01

TIME vs. PHA plot around the trigger time

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 4.096000

TIME vs. DetID plot around the trigger time

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 4.096000

100 us light curve (15-350 keV)

Blue+Cyan dotted lines: Time interval of the scaled map
From 0.000000 to 4.096000

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:
-239.296000 -4.532000
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
 20.1528  -8.7342    2.6  33.3  106.5   1.3692   4.5 ------	UNKNOWN                       
307.6485  -6.9455    2.7  49.8  -16.2   1.4836   4.2 ------	UNKNOWN                       
305.4889 -42.7453    3.4  39.7  -66.1   1.6812   3.4 ------	UNKNOWN

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

Time interval of the image:
-4.532000 43.604590
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
347.5450  15.0293    2.0  47.1   45.6   1.7000   5.7 ------	UNKNOWN                       
350.6729  13.0203    1.8  44.8   49.5   1.8932   6.4 ------	UNKNOWN                       
334.5501  15.2804    2.7  50.5   29.5   1.5901   4.3 ------	UNKNOWN                       
350.8700 -12.1415    2.5  19.7   44.8   0.3446   4.6 ------	UNKNOWN                       
  6.3956 -58.0521    0.9  27.7 -139.7   1.0137  12.7 ------	UNKNOWN

Post-slew image of 15-350 keV band

Time interval of the image:
91.804610 962.752200
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
359.7471 -14.8269    2.7  43.5   52.3   5.9582   4.2 ------	UNKNOWN                       
  0.2209 -27.8360    2.4  30.5   50.8   2.7990   4.9 ------	UNKNOWN                       
 19.0294 -73.4206    1.7  16.2 -131.2   2.7451   6.7 ------	UNKNOWN                       
308.1132 -32.7117    3.1  46.2  -21.2   2.6831   3.7 ------	UNKNOWN                       
302.2168 -25.6695    3.4  54.9  -21.0   4.9495   3.5 ------	UNKNOWN                       
286.8216 -82.9705    2.9  31.4 -104.9   2.7677   4.0 ------	UNKNOWN

Plot creation:
Sun May 31 08:46:22 EDT 2015