Database: Ace Shock Analysis 
Event ID: 20010781702 
Observation time: 03/19/2001  78.71041  1702 [UT] 
       
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General
Information (About, Top)
 
  
    
      | Year | 
      2001 | 
     
    
      | Fractional day of year | 
       78.710405 | 
     
    
      | Arrival time of shock [seconds of day] | 
      61379.0 ±  60.0 | 
     
    
     
      | Shock type | 
      NN | 
     
    
      | Electron data availability | 
      0 | 
     
      X GSE location of spacecraft [Re] | 
         0.035 | 
    
    
      | Y GSE location of spacecraft [Re] | 
        -0.005 | 
     
    
      | Z GSE location of spacecraft [Re] | 
        -0.000 | 
     
    
      | Upstream plasma points selected for analysis | 
      0017 | 
     
    
      | Upstream field points selected for analysis | 
      0072 | 
     
    
      | Downstream plasma points selected for analysis | 
      0014 
       | 
     
    
      | Downstream field points selected for analysis | 
      0057 | 
     
    
      | Minimum chisq/dof for RH8,RH9,RH10 | 
           0.00,     0.00,     0.00 | 
     
    
      Event added to database 
       | 
      Sat Apr 30 21:49:49 2005 
       | 
     
    
      Event last processed 
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       | 
     
    
      Method selected 
       | 
      RH08 
       | 
     
    
      Propagation delay to Earth [minutes] 
       | 
           -NaN ±      -NaN 
       | 
     
  
 
Asymptotic
plasma
parameters (About, Top)
 
  
    
      | 
      Parameter
       | 
      
      Upstream
       | 
      
      Downstream
       | 
     
    
      | Vx GSE [km/s] | 
       -488.5 ±    13.1 | 
       -463.1 ±     3.3 | 
     
    
      | Vy GSE [km/s] | 
        -43.1 ±    15.4 | 
         30.5 ±    10.3 | 
     
    
      | Vz GSE [km/s] | 
        -33.3 ±    11.6 | 
        -39.1 ±     6.3 | 
     
    
      | Wi [km/s] | 
         50.8 ±     3.8 | 
         34.5 ±     3.1 | 
     
    
      | We [km/s] | 
       1607.5 ±   120.8 | 
       1091.6 ±    96.5 | 
     
    
      | Ni [n/cc] | 
          8.4 ±     3.7 | 
         32.5 ±     4.2 | 
     
    
      | Bx GSE [nT] | 
         -6.8 ±     1.0 | 
         -7.1 ±     0.6 | 
     
    
      | By GSE [nT] | 
        -14.6 ±     2.6 | 
         -0.2 ±     1.9 | 
     
    
      | Bz GSE [nT] | 
         -5.8 ±     2.4 | 
         -9.2 ±     0.9 | 
     
    
      Plasma Beta 
       | 
        0.000 ±   0.000 
       | 
        0.000 ±   0.000 
     |  
    
      Sound Speed [km/s] 
       | 
         0.00 ±    0.00 
       | 
         0.00 ±    0.00 
     |  
    
      Alfven Speed [km/s] 
       | 
         0.00 ±    0.00 
       | 
         0.00 ±    0.00 
     |  
  
 
Best values of
shock
front normal for each method (About, Top)
 
  
    
      | Method | 
      Nx | 
      Ny | 
      Nz | 
      Theta [degrees] | 
      Phi [degrees] | 
     
    
      | MC | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | VC | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | MX1 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | MX2 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | MX3 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | RH08 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | RH09 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | RH10 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
        0.000 ±   0.000 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | Average | 
        0.000 | 
        0.000 | 
        0.000 | 
        0.000 | 
        0.000 | 
     
    
      | Median | 
        0.000 | 
        0.000 | 
        0.000 | 
        0.000 | 
        0.000 | 
     
    
      | Deviation | 
        0.000 | 
        0.000 | 
        0.000 | 
        0.000 | 
        0.000 | 
     
  
 
Key shock
parameters (About, Top)
 
  
    
      | Method | 
      ThetaBn | 
      Shock Speed | 
      Compression | 
     
    
      | MC | 
       0.0 ±  0.0 | 
         0.0 ±    0.0 | 
      0.00 ±  0.00 | 
     
    
      | VC | 
       0.0 ±  0.0 | 
         0.0 ±    0.0 | 
      0.00 ±  0.00 | 
     
    
      | MX1 | 
       0.0 ±  0.0 | 
         0.0 ±    0.0 | 
      0.00 ±  0.00 | 
     
    
      | MX2 | 
       0.0 ±  0.0 | 
         0.0 ±    0.0 | 
      0.00 ±  0.00 | 
     
    
      | MX3 | 
       0.0 ±  0.0 | 
         0.0 ±    0.0 | 
      0.00 ±  0.00 | 
     
    
      | RH08 | 
       0.0 ±  0.0 | 
         0.0 ±    0.0 | 
      0.00 ±  0.00 | 
     
    
      | RH09 | 
       0.0 ±  0.0 | 
         0.0 ±    0.0 | 
      0.00 ±  0.00 | 
     
    
      | RH10 | 
       0.0 ±  0.0 | 
         0.0 ±    0.0 | 
      0.00 ±  0.00 | 
     
    
      | Average | 
       0.0 | 
         0.0 | 
      0.00 | 
     
    
      | Median | 
       0.0 | 
         0.0 | 
      0.00 | 
     
    
      | Deviation | 
       0.0 | 
         0.0 | 
      0.00 | 
     
  
 
Upstream wave speeds
and
mach numbers (About, Top)
 
  
    
      | 
      Method
       | 
      
      dV
       | 
      
      Slow
       | 
      
      Intermediate
       | 
      
      Fast
       | 
      
      Slow 
      Mach 
      
       | 
      
      Fast 
Mach 
      
       | 
     
    
      | MC | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | VC | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | MX1 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | MX2 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | MX3 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | RH8 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | RH9 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | RH10 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | Average | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
     
    
      | Median | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
     
    
      | Deviation | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
     
  
 
 
Downstream wave speeds
and
mach numbers (About, Top)
 
  
    
      | 
      Method
       | 
      
      dV
       | 
      
      Slow
       | 
      
      Intermediate
       | 
      
      Fast
       | 
      
      Slow 
      Mach 
      
       | 
      
      Fast 
Mach 
      
       | 
     
    
      | MC | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | VC | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | MX1 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | MX2 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | MX3 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | RH8 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | RH9 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | RH10 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
          0.0 ±     0.0 | 
         0.00 ±    0.00 | 
         0.00 ±    0.00 | 
     
    
      | Average | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
     
    
      | Median | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
     
    
      | Deviation | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
          0.0 | 
     
  
 
 
Survey interval (About, Top) 
  
Selected
data (About, Top) 
  
    
      | 
       Key plasma parameters 
       
        
       | 
      
       Velocity 
       
        
       
        | 
      
      Magnetic Field 
       
       
       | 
     
  
 
 
 
Simple
Methods
(About, Top) 
Rankine Chi^2
Contour (About, Top) 
 
 
 
Shock
Speed (About, Top) 
  
 
Theta Bn (About, Top) 
  
 
Mach Numbers (About, Top) 
Page updated Mon Apr 13 08:55:21 2009  
Michael L Stevens
(mstevens@cfa.harvard.edu) 
 
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