batgrbproduct Analysis for Trigger=324362

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Wed Jul 27 13:53:11 EDT 2011
             Host Name: gcn5
   Current Working Dir: /local/data/raid16/prebascript_archive/trigger324362/SDC
======================================================================

  Trigger: 00324362      Segment: 000

  BAT Trigger Time: 242743944.768   [s; MET]
      Trigger Stop: 242743945.024   [s; MET]
               UTC: 2008-09-10T12:52:21.681120    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 40.0742204874772   Dec: 61.2573991245877  [deg; J2000]

     Catalogged Source?: YES
     Point Source?:      YES
     GRB Indicated?:     NO    [ by BAT flight software ]
     Image S/N Ratio:    9.64
     Image Trigger?:     NO
     Rate S/N Ratio:     12.9614813968157  [ if not an image trigger ]
     Image S/N Ratio:    9.64

  Flight Position:   [ source = BAT ]
    RA: 40.0742204874772   Dec: 61.2573991245877  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 40.1003776298077   Dec: 61.2041177007333  [deg; J2000]  
        { 02h 40m 24.1s , +61d 12' 14.8" }
         +/- 2.2517641811867 [arcmin] (estimated 90% radius based on SNR)
         +/- 1.31752336435221 [arcmin] (formal 1-sigma fit error)
    SNR: 9.53924993603842
 
  Angular difference between Flight and Ground position is 3.284907 arcmin
 
  Partial Coding Fraction: 1.015625    [ including projection effects ]

  Duration
     T90: 0.23199999332428 +/- 0.0344092876538244
        Measured from: 0.0439999997615814
                   to: 0.275999993085861     [s; relative to TRIGTIME]
     T50: 0.148000001907349 +/- 0.0590593190784859
        Measured from: 0.0920000076293945
                   to: 0.240000009536743     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: -0.332000017166138     
                   to: 0.667999982833862     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: 0.0320000052452087     
                   to: 0.299999982118607     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     0.021387   0.020206   0.002692   0.001822
           0.002761   0.002724   0.002124   0.001780 [error]
 Peak      0.012478   0.023795   0.005038  -0.000574
           0.004729   0.004681   0.003925   0.003501 [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 5.84e-09 6.13e-09 4.55e-09 5.46e-09 1.86e-08 2.20e-08   erg/cm2
              Error 1.12e-09 1.17e-09 1.58e-09 3.43e-09 3.93e-09 5.97e-09   erg/cm2
Peak flux Power-law 1.44e-01 1.15e-01 6.24e-02 4.93e-02 3.44e-01 3.71e-01   ph/cm2/s
              Error 5.77e-02 3.48e-02 2.93e-02 4.39e-02 1.03e-01 1.15e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.47e-09 8.66e-09 1.58e-09 8.93e-12 1.57e-08 1.57e-08   erg/cm2
              Error 1.31e-09 1.78e-09 1.78e-09 1.18e-10 2.95e-09 2.95e-09   erg/cm2
Peak flux Cutoff-PL 1.05e-01 1.61e-01 5.24e-02 1.73e-03 3.20e-01 3.20e-01   ph/cm2/s
              Error 8.87e-02 4.25e-02 3.92e-02 1.69e-02 1.03e-01 1.03e-01   ph/cm2/s
 
Fluence        Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   erg/cm2
Peak flux      Band 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
              Error 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.00e+00   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    2.431    0.315    -      -           7.07e-03 1.86e-03   69.190 57
CPL  -1.721    3.014      29.1    4.4      4.13e+00 1.18e+03   55.210 56
 
The chi2 of BB fit is 55.22 which shows a significant improvement in the fit over a PL.
Check the BB fit.
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.886    0.521    -      -           2.41e-03 8.91e-04   50.040 57
CPL  -1.207    5.169      41.5   19.2      1.57e-01 1.84e+03   46.400 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    0.268    0.032    0.300
T90     0.232    0.044    0.276
T50     0.148    0.092    0.240
Peak    1.000   -0.332    0.668
  • Click here for the BAT GCN circular template

    Image

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

    #   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
       40.1004 +61.2041 0.0202    6.4  -30.7       0.0466     9.5  TRIG_00324362       
    ------------------------------------------
     
    Foreground time interval of the image:
      0.032   0.300 (delta_t =   0.268 [sec])
    Background time interval of the image:
    -10.768   0.032 (delta_t =  10.800 [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 0.256000
    

    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 0.256000
    

    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 0.256000
    

    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    0.032 sec. to    0.300 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 2.43075     ( -0.295258   0.334763 )
    Norm@50keV  : 7.06598E-03    ( -0.00184854   0.00186478 )
    ------------------------------------------------------------
    # Chi-Squared =          69.19 using 59 PHA bins.
    # Reduced chi-squared =          1.214 for     57 degrees of freedom 
    # Null hypothesis probability =   1.290575e-01
     
    Photon flux (15-150 keV)    in 0.268 sec: 1.33135 ( -0.224094  0.224401 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.86116e-08 ( -3.83213e-09  4.02571e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from    0.032 sec. to    0.300 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -1.72148     ( -3.98334   2.04395 )
    Epeak [keV] : 29.1129      ( -4.41081 4.29837 )
    Norm@50keV  : 4.12991    ( -4.65227   2363.3 )
    ------------------------------------------------------------
    # Chi-Squared =          55.21 using 59 PHA bins.
    # Reduced chi-squared =         0.9858 for     56 degrees of freedom 
    # Null hypothesis probability =   5.049172e-01
     
    Photon flux (15-150 keV)    in 0.268 sec: 1.30889 ( -0.21515  0.21582 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.57224e-08 ( -2.82644e-09  3.08136e-09 ) ergs/cm2
     
    
    Band function
    Time interval is from    0.032 sec. to    0.300 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 2.23166   ( -2.44142   -2.32094 )
    beta        : -9.99842    ( 2005.71   2015.7 )
    Epeak [keV] : 29.1974      ( -4.48877 4.15259 )
    Norm@50keV   : 9.19361    ( -8.6235   314.044 )
    ------------------------------------------------------------
    # Chi-Squared =          55.14 using 59 PHA bins.
    # Reduced chi-squared =          1.003 for     55 degrees of freedom 
    # Null hypothesis probability =   4.692925e-01
     
    Photon flux (15-150 keV)    in 0.268 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]    : 7.46282  (-0.997896  1.13451)
    R^2/D10^2   : 2.17271  (-0.963306   1.72676)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    # Chi-Squared =          55.22 using 59 PHA bins.
    # Reduced chi-squared =         0.9688 for     57 degrees of freedom 
    # Null hypothesis probability =   5.421289e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.541e-09   1.577e-09
    25- 50  8.564e-09   2.006e-09
    50-150  1.779e-09   9.026e-10
    15-150  1.588e-08   4.248e-09
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 31.3921       (-8.79303      13.5988)
    Norm        : 10.7623       (-2.84112     3.94578)
    ------------------------------------------------------------
    # Chi-Squared =          61.74 using 59 PHA bins.
    # Reduced chi-squared =          1.083 for     57 degrees of freedom 
    # Null hypothesis probability =   3.104497e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  6.004e-09   1.309e-09
    25- 50  7.031e-09   1.767e-09
    50-150  4.083e-09   2.421e-09
    15-150  1.712e-08   4.268e-09
    
    Double BB
     
     
    Spectral model: bbodyrad<1> + bbodyrad<2>
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT1 [keV]   : 7.46261        (-7.4626      -7.4626)
    R1^2/D10^2  : 0.341631        (-0.341657      -0.341657)
    kT2 [keV]   : 7.46292        (-7.46283      188.722)
    R2^2/D10^2  : 1.83101    (-1.83104   -1.83104)
    ------------------------------------------------------------
    # Chi-Squared =          55.22 using 59 PHA bins.
    # Reduced chi-squared =          1.004 for     55 degrees of freedom 
    # Null hypothesis probability =   4.663005e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  5.541e-09   1.065e+00
    25- 50  8.564e-09   8.935e+00
    50-150  1.779e-09   2.159e+02
    15-150  1.588e-08   2.337e+02
    

    Peak spectrum fit

    Power-law model
    Time interval is from   -0.332 sec. to    0.668 sec.
     
    Spectral model in power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: 1.88638     ( -0.484201   0.557099 )
    Norm@50keV  : 2.41178E-03    ( -0.000905651   0.000875437 )
    ------------------------------------------------------------
    # Chi-Squared =          50.04 using 59 PHA bins.
    # Reduced chi-squared =         0.8779 for     57 degrees of freedom 
    # Null hypothesis probability =   7.314413e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.344131 ( -0.103476  0.103482 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 2.21674e-08 ( -7.85026e-09  8.3865e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Time interval is from   -0.332 sec. to    0.668 sec.
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -1.20693     ( -7.5132   2.82492 )
    Epeak [keV] : 41.5316      ( -11.3627 27.0968 )
    Norm@50keV  : 0.156863    ( -0.188263   3686.64 )
    ------------------------------------------------------------
    # Chi-Squared =          46.40 using 59 PHA bins.
    # Reduced chi-squared =         0.8286 for     56 degrees of freedom 
    # Null hypothesis probability =   8.161792e-01
     
    Photon flux (15-150 keV)    in 1 sec: 0.320354 ( -0.101923  0.103613 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.81222e-08 ( -6.0514e-09  7.8102e-09 ) ergs/cm2
     
    
    Band function
    Time interval is from   -0.332 sec. to    0.668 sec.
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 1.62009   ( -2.0879   -1.62009 )
    beta        : -9.26935    ( 8.35449   18.3494 )
    Epeak [keV] : 41.1860      ( -10.6267 22.9444 )
    Norm@50keV   : 0.272237    ( -0.27276   53.4259 )
    ------------------------------------------------------------
    # Chi-Squared =          46.37 using 59 PHA bins.
    # Reduced chi-squared =         0.8431 for     55 degrees of freedom 
    # Null hypothesis probability =   7.897499e-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]    : 10.5873  (-2.49184  3.29721)
    R^2/D10^2   : 0.145798  (-0.145798   0.24776)
    (R is the radius in km and D10 is the distance to the source in units of 10 kpc)
    ------------------------------------------------------------
    # Chi-Squared =          46.34 using 59 PHA bins.
    # Reduced chi-squared =         0.8130 for     57 degrees of freedom 
    # Null hypothesis probability =   8.425799e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  3.385e-09   2.080e-09
    25- 50  9.104e-09   5.480e-09
    50-150  5.592e-09   4.152e-09
    15-150  1.808e-08   1.150e-08
    
    Thermal bremsstrahlung (OTTB)
     
     
    Spectral model: thermal bremsstrahlung
    ------------------------------------------------------------
    Parameters  : value         Lower 90%    Upper 90%
    kT [keV]    : 69.6302       (-37.1186      -69.7265)
    Norm        : 1.74303       (-0.589409     0.957758)
    ------------------------------------------------------------
    # Chi-Squared =          48.57 using 59 PHA bins.
    # Reduced chi-squared =         0.8521 for     57 degrees of freedom 
    # Null hypothesis probability =   7.790189e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  4.469e-09   2.793e-09
    25- 50  7.101e-09   4.356e-09
    50-150  9.084e-09   7.610e-09
    15-150  2.065e-08   1.425e-08
    
    Double BB
    R1^2/D10^2  : 9.77123E+07        (      )
    kT2 [keV]   : 10.7620        (-2.56998      3.44828)
    R2^2/D10^2  : 0.135446    (-0.0896063   0.240455)
    ------------------------------------------------------------
    # Chi-Squared =          46.34 using 59 PHA bins.
    # Chi-Squared =          46.12 using 59 PHA bins.
    # Chi-Squared =          46.09 using 59 PHA bins.
    # Reduced chi-squared =         0.8425 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8386 for     55 degrees of freedom 
    # Reduced chi-squared =         0.8381 for     55 degrees of freedom 
    # Null hypothesis probability =   7.907986e-01
    # Null hypothesis probability =   7.973347e-01
    # Null hypothesis probability =   7.982212e-01
     
    Energy  Fluence     90% Error
    [keV]   [erg/cm2]   [erg/cm2]
    15- 25  0.000e+00   0.000e+00
    25- 50  0.000e+00   0.000e+00
    50-150  0.000e+00   0.000e+00
    15-150  0.000e+00   0.000e+00
    

    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: 2.43075     ( -0.295258   0.334763 )
    Norm@50keV  : 7.06598E-03    ( -0.00184854   0.00186478 )
    ------------------------------------------------------------
    # Chi-Squared =          69.19 using 59 PHA bins.
    # Reduced chi-squared =          1.214 for     57 degrees of freedom 
    # Null hypothesis probability =   1.290575e-01
     
    Photon flux (15-150 keV)    in 0.268 sec: 1.33135 ( -0.224094  0.224401 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.86116e-08 ( -3.83213e-09  4.02571e-09 ) ergs/cm2
     
    
    Cutoff power-law model
    Spectral model in the cutoff power-law:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    Photon index: -1.72148     ( -3.98334   2.04395 )
    Epeak [keV] : 29.1129      ( -4.41081 4.29837 )
    Norm@50keV  : 4.12991    ( -4.65227   2363.3 )
    ------------------------------------------------------------
    # Chi-Squared =          55.21 using 59 PHA bins.
    # Reduced chi-squared =         0.9858 for     56 degrees of freedom 
    # Null hypothesis probability =   5.049172e-01
     
    Photon flux (15-150 keV)    in 0.268 sec: 1.30889 ( -0.21515  0.21582 ) ph/cm2/s
    Energy fluence (15-150 keV)             : 1.57224e-08 ( -2.82644e-09  3.08136e-09 ) ergs/cm2
     
    
    Band function
     
    Spectral model in the Band function:
    ------------------------------------------------------------
    Parameters  : value       lower 90%   higher 90%
    alpha       : 2.23166   ( -2.44142   -2.32094 )
    beta        : -9.99842    ( 2005.71   2015.7 )
    Epeak [keV] : 29.1974      ( -4.48877 4.15259 )
    Norm@50keV   : 9.19361    ( -8.6235   314.005 )
    ------------------------------------------------------------
    # Chi-Squared =          55.14 using 59 PHA bins.
    # Reduced chi-squared =          1.003 for     55 degrees of freedom 
    # Null hypothesis probability =   4.692925e-01
     
    Photon flux (15-150 keV)    in 0.268 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)  = 6.12726e-09
    S(50-100 keV) = 4.54842e-09
    

    T90 vs. Hardness ratio plot

    T90                                   = 0.23199999332428 sec.
    Hardness ratio (energy fluence ratio) = 0.742325
    

    Color vs. Color plot

    Count Ratio  (25-50 keV) / (15-25 keV) = 0.94478
    Count Ratio (50-100 keV) / (15-25 keV) = 0.125871
    

    Mask shadow pattern

    IMX = 9.713132186622120E-02, IMY = 5.774086747177522E-02
    

    TIME vs. PHA plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.256000
    

    TIME vs. DetID plot around the trigger time

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.256000
    

    100 us light curve (15-350 keV)

    Blue+Cyan dotted lines: Time interval of the scaled map
    From 0.000000 to 0.256000
    

    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:
    -10.768000 0.032000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6614  22.0068    4.2  55.3  -10.7   0.2669   2.8    1.6	Crab                          
    308.1126  40.9520  292.1  49.6  163.8  -0.0034  -0.0    0.1	Cyg X-3                       
    326.1868  38.4370    5.7  43.1  146.4   0.1450   2.0    7.0	Cyg X-2                       
    313.7951  43.2053    2.1  45.2  161.2   0.3620   5.6 ------	UNKNOWN                       
     67.1433  14.1658    2.3  55.6   10.6   0.8335   5.1 ------	UNKNOWN                       
    274.6925  48.0174    3.7  57.5 -167.0   0.4081   3.1 ------	UNKNOWN                       
     87.1414  50.2000    2.1  34.3  -38.5   0.1967   5.6 ------	UNKNOWN                       
    255.1609  69.8799    2.3  44.0 -141.5   0.2726   5.1 ------	UNKNOWN                       
    101.2021  40.9293    2.3  47.8  -40.0   0.3782   5.0 ------	UNKNOWN                       
    

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

    Time interval of the image:
    0.032000 0.300000
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.7231  22.0502    5.9  55.3  -10.8   0.0337   1.9    5.4	Crab                          
    308.1208  40.9537  679.0  49.6  163.8   0.0002   0.0    0.5	Cyg X-3                       
    326.3706  38.3211   76.4  43.1  146.1  -0.0018  -0.2    9.4	Cyg X-2                       
     39.9167  28.0267    2.1  34.9   39.5   0.0431   5.7 ------	UNKNOWN                       
     40.1005  61.2042    1.2   6.4  -30.7   0.0466   9.5 ------	UNKNOWN                       
    

    Post-slew image of 15-350 keV band

    Time interval of the image:
    908.532600 1006.237200
     
    # RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
    #  [deg]    [deg]    ['] [deg]  [deg]                   [']
     83.6355  22.0261    0.7  49.3  -19.9   3.7108  16.6    0.7	Crab                          
     36.0774  67.1212    2.3   6.1 -157.2   0.4402   5.0 ------	UNKNOWN                       
    139.2110  75.3393    2.4  34.0 -116.0   0.8764   4.8 ------	UNKNOWN                       
    244.2706  59.3747    2.9  57.9 -156.8   2.7685   4.0 ------	UNKNOWN                       
    108.0305  39.1835    2.6  46.1  -56.4   1.9319   4.4 ------	UNKNOWN                       
    
    Plot creation:
    Wed Jul 27 14:10:22 EDT 2011