CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20012841650
Observation time: 10/11/2001 284.70203 1650 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
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Wave speed and Mach numbers
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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2001
Fractional day of year 284.702031
Arrival time of shock [seconds of day] 60655.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 59.346
Y GSE location of spacecraft [Re] -65.760
Z GSE location of spacecraft [Re] 7.140
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0220
Downstream plasma points selected for analysis 0010
Downstream field points selected for analysis 0301
Minimum chisq/dof for RH8,RH9,RH10 3.44, 12.56, 13.21
Event added to database
Mon Feb 14 11:15:46 2005
Event last processed
Mon Mar 30 21:45:24 2009
Method selected
RH08
Propagation delay to Earth [minutes]
10.636 ± 0.457

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -361.2 ± 5.7 -505.5 ± 3.0
Vy GSE [km/s] -38.6 ± 3.0 -67.6 ± 7.3
Vz GSE [km/s] -12.4 ± 4.2 -0.8 ± 10.4
Wi [km/s] 21.6 ± 2.6 49.8 ± 10.1
We [km/s] 683.1 ± 82.1 1575.4 ± 320.3
Ni [n/cc] 6.7 ± 0.6 19.7 ± 2.9
Bx GSE [nT] -5.2 ± 0.3 -5.2 ± 0.8
By GSE [nT] 6.6 ± 0.3 22.5 ± 1.5
Bz GSE [nT] 0.3 ± 0.5 -0.1 ± 2.8
Plasma Beta
0.096 ± 0.085
0.201 ± 0.206
Sound Speed [km/s]
27.89 ± 3.35
64.32 ± 13.08
Alfven Speed [km/s]
71.05 ± 3.30
115.22 ± 13.32

Best values of shock front normal for each method (About, Top)

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.997 ± 0.016 0.046 ± 0.090 0.069 ± 0.069 3.97 ± 13.04 177.38 ± 5.20
VC -0.977 ± 0.011 -0.196 ± 0.048 0.078 ± 0.078 4.50 ± 4.15 191.35 ± 2.84
MX1 -0.997 ± 0.005 0.016 ± 0.073 0.074 ± 0.073 4.22 ± 3.68 179.09 ± 4.20
MX2 -0.998 ± 0.004 0.012 ± 0.069 0.070 ± 0.069 3.99 ± 3.26 179.31 ± 3.95
MX3 -0.998 ± 0.004 0.010 ± 0.066 0.067 ± 0.067 3.84 ± 3.28 179.42 ± 3.82
RH08 -0.999 ± 0.001 -0.009 ± 0.009 0.050 ± 0.050 2.88 ± 0.67 180.50 ± 0.52
RH09 -0.999 ± 0.003 0.044 ± 0.068 0.017 ± 0.017 0.96 ± 4.05 177.49 ± 3.91
RH10 -0.999 ± 0.003 0.044 ± 0.069 0.006 ± 0.006 0.32 ± 4.05 177.49 ± 3.94
Average -0.995 -0.004 0.054 3.085 180.255
Median -0.998 0.016 0.069 3.966 179.311
Deviation 0.007 0.080 0.028 1.588 4.623

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 49.2 ± 2.5 575.6 ± 21.9 2.79 ± 0.43
VC 63.1 ± 2.5 584.7 ± 23.4 2.79 ± 0.43
MX1 50.9 ± 2.5 578.5 ± 22.1 2.79 ± 0.43
MX2 51.1 ± 2.5 579.0 ± 22.2 2.79 ± 0.43
MX3 51.2 ± 2.5 579.3 ± 22.2 2.79 ± 0.43
RH08 52.3 ± 2.5 581.2 ± 22.5 2.79 ± 0.43
RH09 49.3 ± 2.5 576.5 ± 22.2 2.79 ± 0.43
RH10 49.3 ± 2.6 576.4 ± 22.3 2.79 ± 0.43
Average 52.0 578.9 2.79
Median 51.1 579.0 2.79
Deviation 4.6 3.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 218.2 ± 5.9 17.4 ± 1.7 46.5 ± 2.2 74.4 ± 2.3 12.67 ± 1.36 2.93 ± 0.08
VC 225.1 ± 5.8 11.9 ± 1.1 32.2 ± 1.5 75.5 ± 2.1 19.13 ± 1.95 2.98 ± 0.09
MX1 219.8 ± 5.9 16.7 ± 1.7 44.8 ± 2.1 74.5 ± 2.3 13.25 ± 1.41 2.95 ± 0.08
MX2 220.0 ± 5.9 16.7 ± 1.7 44.6 ± 2.1 74.6 ± 2.3 13.33 ± 1.42 2.95 ± 0.08
MX3 220.1 ± 5.9 16.6 ± 1.7 44.5 ± 2.1 74.6 ± 2.3 13.36 ± 1.42 2.95 ± 0.08
RH8 220.7 ± 5.8 16.2 ± 1.6 43.5 ± 2.0 74.7 ± 2.3 13.74 ± 1.46 2.96 ± 0.08
RH9 217.5 ± 5.8 17.3 ± 1.7 46.3 ± 2.2 74.4 ± 2.3 12.66 ± 1.36 2.92 ± 0.08
RH10 217.3 ± 5.8 17.3 ± 1.7 46.3 ± 2.2 74.4 ± 2.3 12.65 ± 1.36 2.92 ± 0.08
Average 219.8 16.3 43.6 74.6 13.9 2.9
Median 220.0 16.7 44.8 74.6 13.3 3.0
Deviation 2.5 1.8 4.7 0.4 2.2 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 74.9 ± 2.6 37.9 ± 6.1 75.3 ± 8.7 126.9 ± 13.1 2.02 ± 0.29 0.60 ± 0.08
VC 77.4 ± 3.8 25.6 ± 4.0 52.2 ± 6.0 130.0 ± 13.3 3.07 ± 0.41 0.60 ± 0.09
MX1 75.5 ± 2.7 36.5 ± 5.9 72.7 ± 8.4 127.3 ± 13.1 2.11 ± 0.30 0.60 ± 0.08
MX2 75.6 ± 2.7 36.3 ± 5.8 72.4 ± 8.4 127.4 ± 13.1 2.13 ± 0.30 0.60 ± 0.08
MX3 75.6 ± 2.7 36.2 ± 5.8 72.2 ± 8.3 127.4 ± 13.1 2.13 ± 0.31 0.60 ± 0.08
RH8 75.7 ± 2.9 35.3 ± 5.7 70.5 ± 8.2 127.7 ± 13.1 2.19 ± 0.31 0.60 ± 0.08
RH9 74.5 ± 2.8 37.8 ± 6.1 75.2 ± 8.7 126.9 ± 13.1 2.01 ± 0.30 0.59 ± 0.08
RH10 74.3 ± 2.8 37.8 ± 6.1 75.1 ± 8.7 126.9 ± 13.1 2.01 ± 0.30 0.59 ± 0.08
Average 75.4 35.4 70.7 127.6 2.2 0.6
Median 75.6 36.5 72.7 127.4 2.1 0.6
Deviation 1.0 4.1 7.7 1.0 0.4 0.0

Survey interval (About, Top)
Survey of solar wind interval
Selected data (About, Top)
Key plasma parameters
Survey
Velocity
V

Magnetic Field
B


Simple Methods (About, Top)
Simple methods
Rankine Chi^2 Contour (About, Top)

Chisq


Shock Speed (About, Top)
Shock Speed

Theta Bn (About, Top)
Theta Bn

Mach Numbers (About, Top)

Upstream wave speeds
Upstream Mach numbers
Downsteam wave speeds
Downstream mach numbers
Page updated Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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