batgrbproduct Analysis for Trigger=449542

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Mon Jan 13 23:33:28 EST 2014
             Host Name: batevent1
   Current Working Dir: /local/data/batevent/batevent_reproc/trigger449542
======================================================================

  Trigger: 00449542      Segment: 000

  BAT Trigger Time: 322146866.368   [s; MET]
      Trigger Stop: 322146867.392   [s; MET]
               UTC: 2011-03-18T13:14:19.601160    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 338.274381831747   Dec: -15.2822115542523  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    16.94
     Image Trigger?:     NO
     Rate S/N Ratio:     41.194659848092  [ if not an image trigger ]
     Image S/N Ratio:    16.94

  Flight Position:   [ source = BAT ]
    RA: 338.274381831747   Dec: -15.2822115542523  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 338.291195629056   Dec: -15.2778466028388  [deg; J2000]  
        { 22h 33m 09.9s , -15d 16' 40.2" }
         +/- 0.848138601613953 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.277983595282066 [arcmin] (formal 1-sigma fit error)
    SNR: 38.4865181965621
 
  Angular difference between Flight and Ground position is 1.007790 arcmin
 
  Partial Coding Fraction: 0.2734375    [ including projection effects ]

  Duration
     T90: 15.9599999189377 +/- 1.6960849271487
        Measured from: -6.85999995470047
                   to: 9.09999996423721     [s; relative to TRIGTIME]
     T50: 4.92399996519089 +/- 0.295296446025789
        Measured from: 0.856000006198883
                   to: 5.77999997138977     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 1.95200002193451     
                   to: 2.95200002193451     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -12.9879999756813     
                   to: 10.6040000319481     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.947306   2.974612   2.299857   0.479398
           0.062070   0.071184   0.065614   0.058348 [error]
 Peak      0.158802   0.357134   0.365609   0.080457
           0.014845   0.018720   0.018718   0.013888 [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 7.49e-07 1.31e-06 1.75e-06 4.81e-06 5.11e-06 8.63e-06   erg/cm2
              Error 4.15e-08 4.31e-08 6.77e-08 4.08e-07 1.64e-07 4.53e-07   erg/cm2
Peak flux Power-law 2.01e+00 2.51e+00 2.28e+00 3.59e+00 8.04e+00 1.04e+01   ph/cm2/s
              Error 2.08e-01 1.66e-01 1.43e-01 4.52e-01 4.67e-01 6.24e-01   ph/cm2/s
 
Fluence   Cutoff-PL 6.72e-07 1.36e-06 1.82e-06 2.46e-06 4.93e-06 6.32e-06   erg/cm2
              Error 5.16e-08 4.99e-08 7.59e-08 6.80e-07 1.82e-07 6.95e-07   erg/cm2
Peak flux Cutoff-PL 1.61e+00 2.71e+00 2.58e+00 1.60e+00 7.87e+00 8.48e+00   ph/cm2/s
              Error 2.52e-01 1.96e-01 1.88e-01 4.89e-01 4.72e-01 6.61e-01   ph/cm2/s
 
Fluence        Band 6.41e-07 1.39e-06 1.81e-06 3.16e-06 4.96e-06 6.96e-06   erg/cm2
              Error 7.40e-08 5.75e-08 -------- -------- 1.76e-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    1.580    0.054    -      -           2.31e-02 7.01e-04   58.310 57
CPL   1.060    0.235      94.6   24.1      4.10e-02 1.06e-02   42.290 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.141    0.088    -      -           6.90e-02 3.91e-03   62.100 57
CPL   0.154    0.419     104.3   25.1      1.98e-01 8.96e-02   42.090 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: 15.104000 sec.
T50 in the 50-300 keV band: 4.160000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   23.592  -12.988   10.604
T90    15.960   -6.860    9.100
T50     4.924    0.856    5.780
Peak    1.000    1.952    2.952
  • 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
      338.2912   -15.2778   0.0050    38.1579  -120.5873         8.0844562     38.487 TRIG_00449542                 
     
    Foreground time interval of the image:
    -12.988  10.604 (delta_t =  23.592 [sec])
    Background time interval of the image:
    -119.368 -12.988 (delta_t = 106.380 [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 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:

    Time averaged spectrum fit using the average DRM

    Power-law model
    Time interval is from  -12.988 sec. to   10.604 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.57966     ( -0.0543272   0.0545001 )
    Norm@50keV  : 2.30839E-02    ( -0.000700819   0.000700376 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.31 using 59 PHA bins.
    # Reduced chi-squared =          1.023 for     57 degrees of freedom 
    # Null hypothesis probability =   4.271114e-01
     
    Photon flux (15-150 keV)    in 23.59 sec: 2.94800 ( -0.0950736  0.0952705 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.10575e-06 ( -1.641e-07  1.64416e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from  -12.988 sec. to   10.604 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.06002     ( -0.24068   0.22854 )
    Epeak [keV] : 94.6469      ( -14.8382 33.3747 )
    Norm@50keV  : 4.10066E-02    ( -0.00894936   0.0121905 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.29 using 59 PHA bins.
    # Reduced chi-squared =         0.7553 for     56 degrees of freedom 
    # Null hypothesis probability =   9.122141e-01
     
    Photon flux (15-150 keV)    in 23.59 sec: 2.85282 ( -0.10247  0.10277 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.92965e-06 ( -1.82657e-07  1.82209e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from  -12.988 sec. to   10.604 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.04792   ( -0.250076   2.95979 )
    beta        : -2.21812    ( 2.15205   0.486307 )
    Epeak [keV] : 93.2389      ( -46.2466 35.4039 )
    Norm@50keV   : 4.16010E-02    ( -0.0102608   1.93756 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.24 using 59 PHA bins.
    # Reduced chi-squared =         0.7680 for     55 degrees of freedom 
    # Null hypothesis probability =   8.963549e-01
     
    Photon flux (15-150 keV)    in 23.59 sec: 2.84901 ( 4.15099  -0.10307 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.9623e-06 ( -4.96213e-06  -1.75863e-07 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 15.3122  (  )
    R^2/D10^2   : 0.301057  (   )
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         229.96 using 59 PHA bins.
    # Reduced chi-squared =         4.0343 for     57 degrees of freedom 
    # Null hypothesis probability =   1.233898e-22
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.474e-07   2.064e-08
    25- 50  1.406e-06   5.579e-08
    50-150  2.264e-06   1.302e-07
    15-150  4.018e-06   1.368e-07
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 198.074       (      )
    Norm        : 11.9348       (-0.366169     0.443555)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          44.38 using 59 PHA bins.
    # Reduced chi-squared =         0.7786 for     57 degrees of freedom 
    # Null hypothesis probability =   8.885721e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.012e-07   2.701e-08
    25- 50  1.348e-06   4.895e-08
    50-150  2.954e-06   1.109e-07
    15-150  5.004e-06   2.100e-07
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.13381        (-0.790498      0.867345)
    R1^2/D10^2  : 2.68154        (-0.840208      1.34136)
    kT2 [keV]   : 24.2567        (-2.21953      2.94666)
    R2^2/D10^2  : 4.57876E-02    (-0.0163396   0.0209046)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          40.18 using 59 PHA bins.
    # Reduced chi-squared =         0.7306 for     55 degrees of freedom 
    # Null hypothesis probability =   9.330840e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.394e-07   7.584e-08
    25- 50  1.375e-06   9.412e-08
    50-150  2.876e-06   2.949e-07
    15-150  4.890e-06   4.057e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    1.952 sec. to    2.952 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.14082     ( -0.0886128   0.0881721 )
    Norm@50keV  : 6.90058E-02    ( -0.00391032   0.00390986 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          62.10 using 59 PHA bins.
    # Reduced chi-squared =          1.090 for     57 degrees of freedom 
    # Null hypothesis probability =   2.993223e-01
     
    Photon flux (15-150 keV)    in 1 sec: 8.03886 ( -0.466357  0.466706 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 7.12344e-07 ( -4.37765e-08  4.38779e-08 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    1.952 sec. to    2.952 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 0.153751     ( -0.43872   0.399573 )
    Epeak [keV] : 104.324      ( -16.6057 33.5978 )
    Norm@50keV  : 0.197971    ( -0.0670203   0.112108 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.09 using 59 PHA bins.
    # Reduced chi-squared =         0.7516 for     56 degrees of freedom 
    # Null hypothesis probability =   9.159247e-01
     
    Photon flux (15-150 keV)    in 1 sec: 7.86536 ( -0.47121  0.47258 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.91303e-07 ( -4.6156e-08  4.5998e-08 ) ergs/cm2
     
    
    Band function
    Time interval is from    1.952 sec. to    2.952 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -0.156249   ( -0.367166   0.417764 )
    beta        : -9.37123    ( 9.37162   19.3716 )
    Epeak [keV] : 104.483      ( -10.9457 33.2815 )
    Norm@50keV   : 0.197380    ( -0.06319   0.0443967 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.09 using 59 PHA bins.
    # Reduced chi-squared =         0.7652 for     55 degrees of freedom 
    # Null hypothesis probability =   8.994400e-01
     
    Photon flux (15-150 keV)    in 1 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 6.88829e-07 ( 0  0 ) ergs/cm2
     
    
    Single BB
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 19.5729  (-1.26839  1.37907)
    R^2/D10^2   : 0.428366  (-0.086404   0.106045)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          69.40 using 59 PHA bins.
    # Reduced chi-squared =          1.217 for     57 degrees of freedom 
    # Null hypothesis probability =   1.255776e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.190e-08   3.470e-09
    25- 50  1.566e-07   1.260e-08
    50-150  4.434e-07   3.945e-08
    15-150  6.319e-07   4.215e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 200.000       (      )
    Norm        : 33.0030       (-1.92471     1.92456)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         110.71 using 59 PHA bins.
    # Reduced chi-squared =         1.9423 for     57 degrees of freedom 
    # Null hypothesis probability =   2.646406e-05
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  8.216e-08   5.155e-09
    25- 50  1.580e-07   1.250e-08
    50-150  3.466e-07   6.065e-08
    15-150  5.868e-07   8.140e-08
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 8.70454        (-2.30968      3.05187)
    R1^2/D10^2  : 2.47343        (-1.2759      3.53967)
    kT2 [keV]   : 26.8703        (-3.86702      8.0035)
    R2^2/D10^2  : 0.122841    (-0.0782776   0.0558699)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          40.57 using 59 PHA bins.
    # Reduced chi-squared =         0.7377 for     55 degrees of freedom 
    # Null hypothesis probability =   9.269406e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.064e-08   1.855e-08
    25- 50  1.593e-07   4.048e-08
    50-150  4.844e-07   1.533e-07
    15-150  6.943e-07   1.869e-07
    

    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: 1.57966     ( -0.0543272   0.0545001 )
    Norm@50keV  : 2.30839E-02    ( -0.000700819   0.000700376 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          58.31 using 59 PHA bins.
    # Reduced chi-squared =          1.023 for     57 degrees of freedom 
    # Null hypothesis probability =   4.271114e-01
     
    Photon flux (15-150 keV)    in 23.59 sec: 2.94800 ( -0.0950736  0.0952705 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 5.10575e-06 ( -1.641e-07  1.64416e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.06002     ( -0.24068   0.22854 )
    Epeak [keV] : 94.6469      ( -14.8382 33.3747 )
    Norm@50keV  : 4.10066E-02    ( -0.00894936   0.0121905 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.29 using 59 PHA bins.
    # Reduced chi-squared =         0.7553 for     56 degrees of freedom 
    # Null hypothesis probability =   9.122141e-01
     
    Photon flux (15-150 keV)    in 23.59 sec: 2.85282 ( -0.10247  0.10277 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.92965e-06 ( -1.82657e-07  1.82209e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -1.04792   ( -0.250076   2.95979 )
    beta        : -2.21812    ( 2.15205   0.486307 )
    Epeak [keV] : 93.2389      ( -46.2466 35.4039 )
    Norm@50keV   : 4.16010E-02    ( -0.0102608   1.68371 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          42.24 using 59 PHA bins.
    # Reduced chi-squared =         0.7680 for     55 degrees of freedom 
    # Null hypothesis probability =   8.963549e-01
     
    Photon flux (15-150 keV)    in 23.59 sec: 2.84901 ( 4.15099  -0.10307 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 4.9623e-06 ( -4.96213e-06  -1.75863e-07 ) ergs/cm2
     
    

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

    S(25-50 keV)  = 1.31e-06
    S(50-100 keV) = 1.75e-06
    

    T90 vs. Hardness ratio plot

    T90                                   = 15.9599999189377 sec.
    Hardness ratio (energy fluence ratio) = 1.33588
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 1.52755
    Count Ratio (50-100 keV) / (15-25 keV) = 1.18105
    

    Mask shadow pattern

    IMX = -3.998211337545512E-01, IMY = 6.764018492904426E-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:
    -119.368000 -12.988000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    295.6474 -28.0400    2.8  51.3 -178.1   2.8793   4.1 ------	UNKNOWN                       
    325.3212 -35.5352    3.1  27.6 -160.0   1.0536   3.8 ------	UNKNOWN                       
     54.3635 -18.8135    4.0  54.4  -12.8   2.3929   2.9 ------	UNKNOWN                       
    357.0201 -21.6230    2.8  28.4  -90.7   1.5780   4.1 ------	UNKNOWN                       
    

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

    Time interval of the image:
    -12.988000 10.604000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     79.1049 -47.7674    2.5  50.7   31.8   1.6849   4.6 ------	UNKNOWN                       
     75.3951 -45.5836    2.4  49.9   27.6   1.3677   4.7 ------	UNKNOWN                       
    338.2912 -15.2778    0.3  38.2 -120.6   8.0845  38.5 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    317.332600 962.662000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6300  22.0225    0.9  55.4    4.5  25.0710  12.4    0.5	Crab                          
    135.5198 -40.6373    3.9  37.4  125.9   2.9582   3.0    5.0	Vela X-1                      
    101.4164 -11.4698    2.8  24.4   41.0   1.8315   4.1 ------	UNKNOWN                       
    161.6433 -78.4922    3.6  54.1  177.1   4.8547   3.2 ------	UNKNOWN                       
     73.7522 -35.7445    2.7  12.9  -95.2   1.7182   4.4 ------	UNKNOWN                       
     58.5543 -29.0967    2.7  26.4  -78.8   2.3858   4.2 ------	UNKNOWN                       
     57.0157 -38.4502    4.1  26.4 -100.1   1.5898   2.8 ------	UNKNOWN                       
    
    Plot creation:
    Sat May 30 22:43:30 EDT 2015