batgrbproduct analysis for trigger=1211211

batgrbproduct Analysis for Trigger=1211211

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Sat Jan 27 18:38:35 EST 2024
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1211211/GCN5_download_cron
======================================================================

  Trigger: 01211211      Segment: 000

  BAT Trigger Time: 727991736   [s; MET]
      Trigger Stop: 727991800   [s; MET]
               UTC: 2024-01-26T19:55:03.197660    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 245.464878085593   Dec: -15.6604425286024  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    10.46
     Image Trigger?:     YES
     Rate S/N Ratio:     0  [ if not an image trigger ]
     Image S/N Ratio:    10.46

  Flight Position:   [ source = BAT ]
    RA: 245.464878085593   Dec: -15.6604425286024  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 245.444591882896   Dec: -15.6617388185363  [deg; J2000]  
        { 16h 21m 46.7s , -15d 39' 42.3" }
         +/- 2.23601444765803 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.980253443306597 [arcmin] (formal 1-sigma fit error)
    SNR: 9.63538214637843
 
  Angular difference between Flight and Ground position is 1.174563 arcmin
 
  Partial Coding Fraction: 0.4492188    [ including projection effects ]

  Duration
     T90: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]
     T50: 64 +/- 
        Measured from: 0
                   to: 64     [s; relative to TRIGTIME]

    WARNING: battblocks failed.  Used TDRSS fore/background intervals

  Fluence
     Peak Flux  (peak 64 second)
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0     
                   to: 64     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.963140   0.304362  -0.008011  -0.065302
           0.096812   0.088350   0.073495   0.064537 [error]
 Peak      1.963140   0.304362  -0.008011  -0.065302
           0.096812   0.088350   0.073495   0.064537 [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 7.56e-07 1.40e-07 1.25e-08 1.21e-09 9.09e-07 9.09e-07   erg/cm2
              Error 9.45e-08 4.35e-08 9.28e-09 1.81e-09 1.11e-07 1.11e-07   erg/cm2
Peak flux Power-law 4.13e-01 4.44e-02 1.98e-03 9.22e-05 4.59e-01 4.59e-01   ph/cm2/s
              Error 5.31e-02 1.31e-02 1.44e-03 1.34e-04 5.52e-02 5.52e-02   ph/cm2/s
 
Fluence   Cutoff-PL 7.64e-07 1.34e-07 8.19e-09 3.55e-10 8.90e-07 9.02e-07   erg/cm2
              Error 9.79e-08 6.59e-08 6.42e-09 6.78e-10 1.17e-07 1.19e-07   erg/cm2
Peak flux Cutoff-PL 4.16e-01 3.86e-02 4.11e-04 3.33e-07 4.55e-01 4.55e-01   ph/cm2/s
              Error 5.49e-02 1.80e-02 1.77e-03 1.19e-04 5.58e-02 5.59e-02   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    5.485    0.600    -      -           1.86e-04 1.11e-04   47.460 57
CPL   1.000    0.000      50.0    0.0      3.48e-03 0.00e+00  188.500 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    5.485    0.600    -      -           1.86e-04 1.11e-04   47.460 57
CPL   1.000    0.000      50.0    0.0      3.48e-03 0.00e+00  188.500 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   64.000    0.000   64.000
T90    64.000    0.000   64.000
T50    64.000    0.000   64.000
Peak   64.000    0.000   64.000
  • Click here for the BAT GCN circular template
  • Estimated redshift from machine learning (Ukwatta et al. 2016) - may take a few minutes to calcaulte

    Image

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

    #   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
      245.4446 -15.6617 0.0200   42.1  175.5       2.2021     9.6  TRIG_01211211       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.000  64.000 (delta_t =  64.000 [sec])
    Background time interval of the image:
    

    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)

    Spectra

    Notes:

    Time averaged spectrum fit using the pre-slew DRM

    Power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 5.48519     ( -0.57445   0.625103 )
    Norm@50keV  : 1.86067E-04    ( -8.72501e-05   0.000134296 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.46 using 59 PHA bins.
    # Reduced chi-squared =         0.8327 for     57 degrees of freedom 
    # Null hypothesis probability =   8.119370e-01
     
    Photon flux (15-150 keV)    in 64 sec: 0.459259 ( -0.0551849  0.0552075 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 9.08691e-07 ( -1.10532e-07  1.10982e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.00000     (     )
    Epeak [keV] : 50.0000      (   )
    Norm@50keV  : 3.47671E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         188.50 using 59 PHA bins.
    # Reduced chi-squared =         3.3660 for     56 degrees of freedom 
    # Null hypothesis probability =   3.025184e-16
     
    Photon flux (15-150 keV)    in 64 sec: 0.455087 ( -0.055966  0.055563 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.90074e-07 ( -1.1751e-07  1.16973e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -8.63013   ( 9.06011   8.63013 )
    beta        : -5.55848    ( -0.569924   0.638559 )
    Epeak [keV] : 343.759      ( -343.759 -343.759 )
    Norm@50keV   : 2.34898E-02    ( -0.0106574   0.0195831 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.51 using 59 PHA bins.
    # Reduced chi-squared =         0.8637 for     55 degrees of freedom 
    # Null hypothesis probability =   7.534732e-01
     
    Photon flux (15-150 keV)    in 64 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]    : 2.70465  (-0.30342  0.354039)
    R^2/D10^2   : 127.097  (-73.7982   182.776)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          48.65 using 59 PHA bins.
    # Reduced chi-squared =         0.8535 for     57 degrees of freedom 
    # Null hypothesis probability =   7.765857e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.756e-07   2.615e-07
    25- 50  7.756e-08   3.102e-08
    50-150  5.139e-11   4.890e-11
    15-150  8.532e-07   3.560e-07
    
    Thermal bremsstrahlung (OTTB)
    XSPEC12>exit
     XSPEC: quit
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 5.06556       (-0.845878      1.10489)
    Norm        : 99.7146       (-50.0042     107.646)
    ------------------------------------------------------------
     Reduced chi-squared = 
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.711e-07   2.228e-07
    25- 50  1.003e-07   4.098e-08
    50-150  5.553e-10   4.723e-10
    15-150  8.719e-07   2.585e-07
    
    Double BB
    XSPEC12>exit
     XSPEC: quit
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 4.14835        (-3.81535      42.2208)
    R1^2/D10^2  : 3.68572        (-3.52779      207.688)
    kT2 [keV]   : 2.09048        (-2.1028      19.7426)
    R2^2/D10^2  : 598.930    (-573.328   -573.328)
    ------------------------------------------------------------
     Reduced chi-squared = 
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.703e-07   3.443e-07
    25- 50  1.148e-07   5.181e-08
    50-150  9.005e-10   4.784e-10
    15-150  8.860e-07   4.102e-07
    

    Peak spectrum fit

    Power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 5.48519     ( -0.57445   0.625103 )
    Norm@50keV  : 1.86067E-04    ( -8.72501e-05   0.000134296 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.46 using 59 PHA bins.
    # Reduced chi-squared =         0.8327 for     57 degrees of freedom 
    # Null hypothesis probability =   8.119370e-01
     
    Photon flux (15-150 keV)    in 64 sec: 0.459259 ( -0.0551849  0.0552075 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 9.08691e-07 ( -1.10532e-07  1.10982e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.000 sec. to   64.000 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.00000     (     )
    Epeak [keV] : 50.0000      (   )
    Norm@50keV  : 3.47671E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         188.50 using 59 PHA bins.
    # Reduced chi-squared =         3.3660 for     56 degrees of freedom 
    # Null hypothesis probability =   3.025184e-16
     
    Photon flux (15-150 keV)    in 64 sec: 0.455087 ( -0.055966  0.055563 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.90074e-07 ( -1.1751e-07  1.16973e-07 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.000 sec. to   64.000 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -8.63013   ( 9.06011   8.63013 )
    beta        : -5.55848    ( -0.569924   0.638559 )
    Epeak [keV] : 343.759      ( -343.759 -343.759 )
    Norm@50keV   : 2.34898E-02    ( -0.0106574   0.0195831 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.51 using 59 PHA bins.
    # Reduced chi-squared =         0.8637 for     55 degrees of freedom 
    # Null hypothesis probability =   7.534732e-01
     
    Photon flux (15-150 keV)    in 64 sec:  (    ) ph/cm2/s
    Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
     
    
    Single BB
     XSPEC: quit
     
     
    Spectral model blackbody:
    ------------------------------------------------------------
    Parameters  : value    Lower 90%  Upper 90%
    kT [keV]    : 2.70465  (-0.30342  0.354039)
    R^2/D10^2   : 127.097  (-73.7982   182.776)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
     Reduced chi-squared = 
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.756e-07   2.779e-07
    25- 50  7.756e-08   2.954e-08
    50-150  5.139e-11   4.637e-11
    15-150  8.532e-07   2.649e-07
    
    Thermal bremsstrahlung (OTTB)
    XSPEC12>exit
     XSPEC: quit
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 5.06556       (-0.845878      1.10489)
    Norm        : 99.7146       (-50.0042     107.646)
    ------------------------------------------------------------
     Reduced chi-squared = 
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.711e-07   2.160e-07
    25- 50  1.003e-07   3.528e-08
    50-150  5.553e-10   4.682e-10
    15-150  8.719e-07   2.360e-07
    
    Double BB
    XSPEC12>exit
     XSPEC: quit
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 4.14835        (-3.81535      42.2208)
    R1^2/D10^2  : 3.68572        (-3.52779      207.688)
    kT2 [keV]   : 2.09048        (-2.1028      19.4196)
    R2^2/D10^2  : 598.930    (-573.328   -573.328)
    ------------------------------------------------------------
     Reduced chi-squared = 
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  7.703e-07   3.837e-07
    25- 50  1.148e-07   6.157e-08
    50-150  9.005e-10   4.019e-10
    15-150  8.860e-07   4.077e-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: 5.48519     ( -0.57445   0.625103 )
    Norm@50keV  : 1.86067E-04    ( -8.72501e-05   0.000134296 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.46 using 59 PHA bins.
    # Reduced chi-squared =         0.8327 for     57 degrees of freedom 
    # Null hypothesis probability =   8.119370e-01
     
    Photon flux (15-150 keV)    in 64 sec: 0.459259 ( -0.0551849  0.0552075 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 9.08691e-07 ( -1.10532e-07  1.10982e-07 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.00000     (     )
    Epeak [keV] : 50.0000      (   )
    Norm@50keV  : 3.47671E-03    (     )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =         188.50 using 59 PHA bins.
    # Reduced chi-squared =         3.3660 for     56 degrees of freedom 
    # Null hypothesis probability =   3.025184e-16
     
    Photon flux (15-150 keV)    in 64 sec: 0.455087 ( -0.055966  0.055563 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 8.90074e-07 ( -1.1751e-07  1.16973e-07 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : -8.63013   ( 9.06011   8.63013 )
    beta        : -5.55848    ( -0.569924   0.638559 )
    Epeak [keV] : 343.759      ( -343.759 -343.759 )
    Norm@50keV   : 2.34898E-02    ( -0.0106574   0.0195831 )
    ------------------------------------------------------------
    #Fit statistic : Chi-Squared =          47.51 using 59 PHA bins.
    # Reduced chi-squared =         0.8637 for     55 degrees of freedom 
    # Null hypothesis probability =   7.534732e-01
     
    Photon flux (15-150 keV)    in 64 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)  = 1.40e-07
    S(50-100 keV) = 1.25e-08
    

    T90 vs. Hardness ratio plot

    T90                                   = 64 sec.
    Hardness ratio (energy fluence ratio) = 0.0892857
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.155038
    Count Ratio (50-100 keV) / (15-25 keV) = -0.00408071
    

    Mask shadow pattern

    IMX = -8.994813932730991E-01, IMY = -7.055577583875750E-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:
     
    

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

    Time interval of the image:
    0.000000 64.000000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    186.7112 -62.7919   10.6  38.9   70.4   0.6089   1.1    2.0	GX 301-2                      
    245.0478 -15.5026    5.7  42.3  175.0  -0.4764  -2.0    9.2	Sco X-1                       
    256.1727 -37.9541   11.0  18.0 -179.3   0.1354   1.0   11.0	4U 1700-377                   
    256.6417 -36.4720    7.2  19.3 -176.9   0.2156   1.6   10.4	GX 349+2                      
    263.1222 -24.6546    6.8  30.2 -159.2  -0.2702  -1.7    8.2	GX 1+4                        
    264.9854 -44.4719   14.9  10.3 -156.7   0.0985   0.8   10.5	4U 1735-44                    
    268.3780  -1.5191    4.8  53.3 -151.4  -1.0390  -2.4    4.0	SW J1753.5-0127               
    270.4998 -25.1448  191.7  29.9 -145.8   0.0099   0.1   12.4	GX 5-1                        
    270.3297 -25.5730   13.0  29.4 -146.0   0.1513   0.9   10.3	GRS 1758-258                  
    274.1275 -13.9796   10.5  41.4 -142.2   0.2462   1.1    7.9	GX 17+2                       
    275.8646 -30.2330    6.1  25.7 -133.9  -0.2838  -1.9    8.6	H1820-303                     
    285.2699 -24.9395    0.0  33.3 -120.9  -0.2142  -1.2   12.8	HT1900.1-2455                 
    262.9001 -33.8106    3.8  21.0 -160.9  -0.3851  -3.0    4.7	GX 354-0                      
    203.2605 -61.4760    3.4  32.2   77.3   0.9816   3.4 ------	UNKNOWN                       
    245.4447 -15.6617    1.3  42.1  175.5   2.1123   9.2 ------	UNKNOWN                       
    296.6898 -19.9078    2.5  42.1 -108.4   2.6495   4.7 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    165.300590 218.174800
    219.000000 243.070000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
    244.8622 -15.4607    0.0   0.6   97.2  -0.2102  -1.3   12.7	Sco X-1                       
    254.5510  35.2711    7.7  51.7  176.8   0.6304   1.5    6.3	Her X-1                       
    255.7773 -37.9636    8.7  24.1  -32.9  -0.2268  -1.3   12.2	4U 1700-377                   
    256.2423 -36.5546    4.5  23.0  -35.3  -0.4304  -2.5   12.2	GX 349+2                      
    263.0411 -24.6543   10.7  18.8  -71.3  -0.1992  -1.1    5.7	GX 1+4                        
    264.7150 -44.5728    3.3  33.2  -38.1   0.7422   3.5    7.5	4U 1735-44                    
    268.5045  -1.5219    6.3  26.8 -132.3   0.3375   1.8    9.2	SW J1753.5-0127               
    270.1330 -24.9360    0.0  24.9  -76.8  -0.4313  -2.1   11.9	GX 5-1                        
    270.1516 -25.6034    5.4  25.1  -75.3  -0.4467  -2.1   11.7	GRS 1758-258                  
    274.1636 -13.9854    8.9  27.8 -102.3  -0.2731  -1.3    9.7	GX 17+2                       
    275.7940 -30.2413    4.5  31.4  -69.7  -0.6407  -2.5   10.1	H1820-303                     
    285.0364 -24.8016    5.6  38.1  -82.3   0.9776   2.0    7.1	HT1900.1-2455                 
    262.8931 -33.8685    6.9  24.0  -50.3  -0.3090  -1.7    5.2	GX 354-0                      
    229.2867  33.3480    2.6  51.4  150.0   2.8512   4.3 ------	UNKNOWN                       
    258.2926  40.0153    2.2  57.0  179.0   3.6753   5.2 ------	UNKNOWN                       
    
    Plot creation:
    Sat Jan 27 18:41:11 EST 2024