batgrbproduct analysis for trigger=1148770

batgrbproduct Analysis for Trigger=1148770

Analysis Summary

Notes:

1) No attempt has been made to eliminate the non-significant decimal places.
2) This batgrbproduct analysis is done of the amount of data for this trigger downloaded to date.
3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.
4) This page will be updated for up to 15 downlinks after the trigger.

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.48
    Process Start Time (local time): Sat Jan 14 04:19:17 EST 2023
             Host Name: batproc1
   Current Working Dir: /local/data/bat1/prebascript/trigger1148770/GCN5_download_cron
======================================================================

  Trigger: 01148770      Segment: 000

  BAT Trigger Time: 695262500.096   [s; MET]
      Trigger Stop: 695262508.288   [s; MET]
               UTC: 2023-01-13T00:27:49.530320    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 299.51173377538   Dec: 35.0745596516468  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    8.78
     Image Trigger?:     NO
     Rate S/N Ratio:     11.4455231422596  [ if not an image trigger ]
     Image S/N Ratio:    8.78

  Flight Position:   [ source = BAT ]
    RA: 299.51173377538   Dec: 35.0745596516468  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 299.514937900774   Dec: 35.060766801769  [deg; J2000]  
        { 19h 58m 03.6s , +35d 03' 38.8" }
         +/- 3.45846487302717 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.69600911315207 [arcmin] (formal 1-sigma fit error)
    SNR: 5.16755366794669
 
  Angular difference between Flight and Ground position is 0.842397 arcmin
 
  Partial Coding Fraction: 0.8515625    [ including projection effects ]

  Duration
     T90: 234.299999952316 +/- 253.780088041354
        Measured from: 201.680000185966
                   to: 435.980000138283     [s; relative to TRIGTIME]
     T50: 129.899999976158 +/- 297.382925102259
        Measured from: 250.740000128746
                   to: 380.640000104904     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 117.59600007534     
                   to: 118.59600007534     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -27.2400000095367     
                   to: 470.432000041008     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     3.023742   2.786998   0.818427   0.007928
           0.215090   0.226961   0.194353   0.164854 [error]
 Peak      0.038440   0.035188   0.085087   0.014273
           0.039971   0.048649   0.045580   0.032452 [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 1.03e-06 1.08e-06 8.04e-07 9.66e-07 3.29e-06 3.89e-06   erg/cm2
              Error 1.19e-07 1.12e-07 1.60e-07 3.56e-07 3.80e-07 5.89e-07   erg/cm2
Peak flux Power-law 3.34e-01 2.62e-01 1.38e-01 1.05e-01 7.82e-01 8.39e-01   ph/cm2/s
              Error 3.61e-01 2.21e-01 2.02e-01 3.04e+00 5.32e-01 1.32e+00   ph/cm2/s
 
Fluence   Cutoff-PL 9.69e-07 1.28e-06 5.54e-07 5.34e-08 2.85e-06 2.86e-06   erg/cm2
              Error 1.31e-07 1.58e-07 2.36e-07 1.24e-07 3.78e-07 3.98e-07   erg/cm2
Peak flux Cutoff-PL 3.45e-01 2.62e-01 1.35e-01 8.73e-02 7.81e-01 8.11e-01   ph/cm2/s
              Error 3.60e-01 3.48e-01 -------- 1.22e+00 6.56e-01 1.45e+00   ph/cm2/s
 
Fluence        Band 9.60e-07 1.28e-06 5.54e-07 5.40e-08 2.85e-06 2.85e-06   erg/cm2
              Error 1.30e-07 1.57e-07 2.35e-07 -------- 3.75e-07 --------   erg/cm2
Peak flux      Band 6.36e-01 4.34e-01 1.58e-01 4.14e-02 1.26e+00 1.27e+00   ph/cm2/s
              Error 1.75e-01 -------- -------- 8.25e-02 1.92e-01 2.74e-01   ph/cm2/s

 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.429    0.191    -      -           6.75e-04 9.93e-05   51.820 57
CPL   0.591    1.257      26.5    8.2      1.03e-02 4.85e-02   41.050 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.926    0.265    -      -           5.39e-03 5.37e-03   33.920 57
CPL   1.840    4.015      89.0    0.0      5.90e-03 0.00e+00   33.930 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  497.672  -27.240  470.432
T90   234.300  201.680  435.980
T50   129.900  250.740  380.640
Peak    1.000  117.596  118.596

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
  299.5149 +35.0608 0.0373   31.8  -15.1       0.9012     5.2  TRIG_01148770       
------------------------------------------
 
Foreground time interval of the image:
-27.240  41.505 (delta_t =  68.745 [sec])
Background time interval of the image:
-239.096 -27.240 (delta_t = 211.856 [sec])

Lightcurves

Notes:

1) All plots contain as much data as has been downloaded to date.
2) The mask-weighted light curves are using the flight position.
3) Multiple plots of different time binning/intervals are shown to cover all scenarios of short/long GRBs, rate/image triggers, and real/false positives.
4) 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.
5) 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.
6) 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

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:

1) The fitting includes the systematic errors.
2) For long bursts, a spectral fit of 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.
4) For short bursts (T90<1sec), the specrtum is also fit with Blackbody, OTTB, and Double Blackbody.

Time averaged spectrum fit using the pre-slew DRM

Power-law model

Multiple GTIs in the spectrum
tstart tstop
-27.240000 174.474000
175.904000 470.432000
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 2.42928     ( -0.184226   0.197718 )
Norm@50keV  : 6.75222E-04    ( -9.9586e-05   9.90495e-05 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          51.82 using 59 PHA bins.
# Reduced chi-squared =         0.9091 for     57 degrees of freedom 
# Null hypothesis probability =   6.692375e-01
 
Photon flux (15-150 keV)    in 496.2 sec: 0.127107 ( -0.0118545  0.0118545 ) ph/cm2/s
Energy fluence (15-150 keV)             : 3.29059e-06 ( -3.75149e-07  3.85763e-07 ) ergs/cm2

Cutoff power-law model

Multiple GTIs in the spectrum
tstart tstop
-27.240000 174.474000
175.904000 470.432000
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.590789     ( -1.45289   1.06049 )
Epeak [keV] : 26.5009      ( -11.4362 5.00048 )
Norm@50keV  : 1.02666E-02    ( -0.0102676   0.0867553 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          41.05 using 59 PHA bins.
# Reduced chi-squared =         0.7330 for     56 degrees of freedom 
# Null hypothesis probability =   9.329601e-01
 
Photon flux (15-150 keV)    in 496.2 sec: 0.121892 ( -0.011927  0.011997 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.85396e-06 ( -3.56664e-07  3.99585e-07 ) ergs/cm2

Band function

Multiple GTIs in the spectrum
tstart tstop
-27.240000 174.474000
175.904000 470.432000
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : 0.384893   ( -0.987505   0.663078 )
beta        : -3.36395    ( 9.37167   19.3714 )
Epeak [keV] : 26.6991      ( -5.7617 5.13093 )
Norm@50keV   : 5.21071E-02    ( -0.0506627   85.8886 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          40.43 using 59 PHA bins.
# Reduced chi-squared =         0.7350 for     55 degrees of freedom 
# Null hypothesis probability =   9.292930e-01
 
Photon flux (15-150 keV)    in 496.2 sec: 0.122100 ( 6.8779  -0.012165 ) ph/cm2/s
Energy fluence (15-150 keV)             : 2.84991e-06 ( -2.84644e-06  -3.51726e-07 ) ergs/cm2

Single BB

 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 7.43409  (-0.696592  0.768845)
R^2/D10^2   : 0.191003  (-0.0637827   0.0962891)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          46.79 using 59 PHA bins.
# Reduced chi-squared =         0.8208 for     57 degrees of freedom 
# Null hypothesis probability =   8.307033e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.919e-07   1.404e-07
25- 50  1.369e-06   1.868e-07
50-150  2.806e-07   9.157e-08
15-150  2.541e-06   3.166e-07

Thermal bremsstrahlung (OTTB)

XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 33.6015       (-6.58737      8.77596)
Norm        : 0.941173       (-0.163825     0.206778)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.003e-06   1.109e-07
25- 50  1.216e-06   1.414e-07
50-150  7.690e-07   2.609e-07
15-150  2.988e-06   3.667e-07

Double BB

XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 5.85938        (-2.27141      1.32386)
R1^2/D10^2  : 0.390065        (-0.191149      1.25784)
kT2 [keV]   : 14.5785        (-10.7944      15.2427)
R2^2/D10^2  : 5.26017E-03    (-0.00505087   0.0412114)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.693e-07   4.390e-07
25- 50  1.258e-06   5.824e-07
50-150  7.112e-07   4.230e-07
15-150  2.939e-06   1.353e-06

Peak spectrum fit

Power-law model

Time interval is from  117.596 sec. to  118.596 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.92609     ( -2.45588   -1.92655 )
Norm@50keV  : 5.38514E-03    ( -0.00538379   0.00535961 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          33.92 using 59 PHA bins.
# Reduced chi-squared =         0.5951 for     57 degrees of freedom 
# Null hypothesis probability =   9.935372e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.781518 ( -0.532002  0.532772 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.95173e-08 ( -4.43324e-08  8.79951e-08 ) ergs/cm2

Cutoff power-law model

Time interval is from  117.596 sec. to  118.596 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.83977     ( -1.89053   6.14007 )
Epeak [keV] : 89.0316      (   )
Norm@50keV  : 5.89947E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          33.93 using 59 PHA bins.
# Reduced chi-squared =         0.6058 for     56 degrees of freedom 
# Null hypothesis probability =   9.913952e-01
 
Photon flux (15-150 keV)    in 1 sec: 0.781051 ( -0.781051  0.531709 ) ph/cm2/s
Energy fluence (15-150 keV)             : 4.86832e-08 ( -4.86832e-08  8.75268e-08 ) ergs/cm2

Band function

Time interval is from  117.596 sec. to  118.596 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.43100   ( 1.46976   1.46976 )
beta        : -1.83315    ( 1.91683   1.91683 )
Epeak [keV] : 20.4847      ( -15.0912 -15.0912 )
Norm@50keV   : 1.36927E-02    ( -0.0151652   1.44596 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          33.93 using 59 PHA bins.
# Reduced chi-squared =         0.6169 for     55 degrees of freedom 
# Null hypothesis probability =   9.886655e-01
 
Photon flux (15-150 keV)    in 1 sec: 1.25688 ( 5.74312  -0.12885 ) 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]    : 7.97648  (-7.97648  -7.97648)
R^2/D10^2   : 0.849941  (-0.849938   -0.849938)
(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  9.757e-09   6.690e-09
25- 50  1.699e-08   1.286e-08
50-150  4.418e-09   4.216e-09
15-150  3.117e-08   2.398e-08

Thermal bremsstrahlung (OTTB)

XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 69.5009       (-69.637      -69.637)
Norm        : 3.72956       (-3.72612     172.511)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.561e-09   6.640e-09
25- 50  1.518e-08   1.109e-08
50-150  1.940e-08   1.697e-08
15-150  4.414e-08   3.464e-08

Double BB

XSPEC12>exit
 XSPEC: quit
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 1.19149        (-1.34076      9.2164)
R1^2/D10^2  : 2.80168E+05        (-279295      4.399e+07)
kT2 [keV]   : 20.5615        (-15.9515      -20.6598)
R2^2/D10^2  : 2.56463E-02    (-0.0252377   0.419735)
------------------------------------------------------------
 Reduced chi-squared = 
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.142e-08   6.620e-09
25- 50  9.910e-09   5.830e-09
50-150  3.713e-08   2.948e-08
15-150  5.846e-08   3.744e-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: 2.37851     ( -0.144787   0.15194 )
Norm@50keV  : 2.41037E-03    ( -0.00024933   0.000246274 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.45 using 59 PHA bins.
# Reduced chi-squared =          1.026 for     57 degrees of freedom 
# Null hypothesis probability =   4.217356e-01
 
Photon flux (15-150 keV)    in 68.74 sec: 0.440434 ( -0.031571  0.0315937 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.60853e-06 ( -1.31674e-07  1.33683e-07 ) ergs/cm2

Cutoff power-law model

Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.52056     ( -0.809952   0.406164 )
Epeak [keV] : 21.1476      (   )
Norm@50keV  : 8.01139E-03    (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          53.41 using 59 PHA bins.
# Reduced chi-squared =         0.9538 for     56 degrees of freedom 
# Null hypothesis probability =   5.733304e-01
 
Photon flux (15-150 keV)    in 68.74 sec: 0.425195 ( -0.033416  0.033515 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.47979e-06 ( -1.48733e-07  1.6004e-07 ) ergs/cm2

Band function

 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -1.15547   ( -0.718816   1.15896 )
beta        : -2.88541    ( 2.88708   0.463657 )
Epeak [keV] : 24.0351      ( -12.8468 6.2901 )
Norm@50keV   : 1.43381E-02    ( -0.00484324   628.707 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          52.81 using 59 PHA bins.
# Reduced chi-squared =         0.9603 for     55 degrees of freedom 
# Null hypothesis probability =   5.585930e-01
 
Photon flux (15-150 keV)    in 68.74 sec:  (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.50639e-06 ( 0  0 ) ergs/cm2

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

S(25-50 keV)  = 1.08e-06
S(50-100 keV) = 8.04e-07

T90 vs. Hardness ratio plot

T90                                   = 234.299999952316 sec.
Hardness ratio (energy fluence ratio) = 0.744444

Color vs. Color plot

Count Ratio  (25-50 keV) / (15-25 keV) = 0.921705
Count Ratio (50-100 keV) / (15-25 keV) = 0.270667

Mask shadow pattern

IMX = 5.993148535282942E-01, IMY = 1.619439026318902E-01

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:
-239.096000 -27.240000
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
288.8809  11.0113    4.9  46.8  -49.4   3.1966   2.4    6.3	GRS 1915+105                  
299.5451  35.1274    0.6  31.8  -15.0   8.3607  20.0    5.0	Cyg X-1                       
308.0964  40.9421    3.7  26.6   -0.2   1.2766   3.1    0.9	Cyg X-3                       
326.2377  38.4622    7.0  13.9   18.8   0.5888   1.6    9.0	Cyg X-2                       
 23.7854  32.0231    3.5  41.8  122.6   7.5556   3.3 ------	UNKNOWN                       
316.4551  70.2401    2.5  44.5   42.2   3.0080   4.6 ------	UNKNOWN                       
 21.3957  18.0551    3.0  42.9  143.6   5.7486   3.9 ------	UNKNOWN                       
 21.1051  -0.8248    2.8  51.8  166.4   9.0876   4.1 ------	UNKNOWN                       
267.4212  54.6633    2.8  55.8   10.8   5.8061   4.0 ------	UNKNOWN                       
 18.2231   1.4118    3.8  48.1  166.3   5.1436   3.1 ------	UNKNOWN                       
265.0336  50.1161    3.3  57.4    5.4   6.5794   3.5 ------	UNKNOWN                       
 12.2369  -4.6832    2.8  47.5  177.8   4.6909   4.2 ------	UNKNOWN

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

Time interval of the image:
-27.240000 41.504600
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
288.7068  11.1305   15.9  46.9  -49.1  -0.4845  -0.7   12.3	GRS 1915+105                  
299.5230  35.0846    2.3  31.8  -15.1   0.8876   5.1    7.8	Cyg X-1                       
308.3602  41.0184   54.7  26.4    0.2   0.0341   0.2   12.0	Cyg X-3                       
326.2864  38.2510    6.1  13.7   18.4   0.2584   1.9    6.9	Cyg X-2                       
334.0592  59.0993    2.4  32.0   49.7   0.9213   4.7 ------	UNKNOWN

Post-slew image of 15-350 keV band

Time interval of the image:
210.204590 339.504590
 
# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
359.9578 -16.9245    3.8  43.7    3.8   1.0461   3.0 ------	UNKNOWN                       
348.8792 -63.0177    2.7   3.1  179.8   0.9475   4.3 ------	UNKNOWN

Plot creation:
Sat Jan 14 04:23:42 EST 2023