CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20021591523
Observation time: 06/08/2002 159.64106 1523 [UT]

Wind spacecraft

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Asymptotic parameters
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Wave speed and Mach numbers
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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2002
Fractional day of year 159.641059
Arrival time of shock [seconds of day] 55387.5 ± 60.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 43.639
Y GSE location of spacecraft [Re] 305.122
Z GSE location of spacecraft [Re] 23.360
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0307
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0235
Minimum chisq/dof for RH8,RH9,RH10 2.74, 2.80, 2.86
Event added to database
Mon Feb 14 11:19:36 2005
Event last processed
Mon Mar 30 23:13:15 2009
Method selected
RH08
Propagation delay to Earth [minutes]
52.942 ± 921.993

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -385.5 ± 8.0 -424.5 ± 3.2
Vy GSE [km/s] -17.9 ± 5.8 62.0 ± 12.4
Vz GSE [km/s] -9.8 ± 9.5 17.5 ± 2.2
Wi [km/s] 37.4 ± 4.5 68.8 ± 7.3
We [km/s] 1183.9 ± 141.5 2174.8 ± 231.6
Ni [n/cc] 6.7 ± 1.4 10.0 ± 1.2
Bx GSE [nT] 7.6 ± 0.6 2.2 ± 1.4
By GSE [nT] -10.0 ± 1.0 5.4 ± 1.5
Bz GSE [nT] -6.6 ± 1.5 6.2 ± 0.8
Plasma Beta
0.101 ± 0.099
1.643 ± 1.104
Sound Speed [km/s]
48.33 ± 5.78
88.79 ± 9.46
Alfven Speed [km/s]
121.73 ± 11.30
60.20 ± 11.35

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.922 ± 0.049 -0.006 ± 0.116 -0.387 ± 0.367 -22.79 ± 7.19 180.35 ± 7.23
VC -0.422 ± 0.084 0.858 ± 0.049 0.294 ± 0.286 17.13 ± 5.95 116.20 ± 5.54
MX1 -0.769 ± 0.513 -0.486 ± 0.771 0.416 ± 0.390 24.57 ± 28.67 212.29 ± 56.87
MX2 -0.796 ± 0.077 0.199 ± 0.123 -0.571 ± 0.499 -34.85 ± 7.37 166.00 ± 8.73
MX3 -0.481 ± 0.152 0.474 ± 0.153 -0.737 ± 0.560 -47.50 ± 6.27 135.41 ± 16.98
RH08 -0.824 ± 0.010 -0.507 ± 0.013 0.251 ± 0.246 14.56 ± 1.53 211.59 ± 0.90
RH09 -0.824 ± 0.014 -0.507 ± 0.019 0.251 ± 0.246 14.56 ± 2.30 211.59 ± 1.28
RH10 -0.824 ± 0.017 -0.507 ± 0.023 0.251 ± 0.246 14.56 ± 2.70 211.59 ± 1.52
Average -0.733 -0.060 -0.029 -2.471 180.625
Median -0.796 -0.006 0.251 14.560 211.588
Deviation 0.180 0.532 0.457 27.967 38.338

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 71.9 ± 3.4 427.3 ± 526.6 1.46 ± 0.30
VC 15.4 ± 5.9 401.3 ± 1694.2 1.46 ± 0.30
MX1 74.7 ± 5.4 310.2 ± 301.8 1.46 ± 0.30
MX2 72.4 ± 4.3 396.5 ± 565.5 1.46 ± 0.30
MX3 75.5 ± 5.9 287.1 ± 549.7 1.46 ± 0.30
RH08 78.3 ± 4.8 320.3 ± 215.1 1.46 ± 0.30
RH09 78.3 ± 4.8 320.3 ± 215.1 1.46 ± 0.30
RH10 78.3 ± 4.8 320.3 ± 215.1 1.46 ± 0.30
Average 68.1 347.9 1.46
Median 75.5 320.3 1.46
Deviation 21.5 52.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 68.0 ± 6.0 14.0 ± 1.4 37.9 ± 3.5 130.5 ± 9.2 4.92 ± 0.75 0.52 ± 0.07
VC 257.0 ± 6.5 46.3 ± 5.4 117.4 ± 10.9 122.6 ± 11.0 5.63 ± 0.74 2.12 ± 0.25
MX1 9.2 ± 9.9 11.9 ± 1.1 32.2 ± 3.0 130.7 ± 9.2 0.82 ± 0.86 0.07 ± 0.08
MX2 87.5 ± 6.2 13.6 ± 1.3 36.8 ± 3.4 130.5 ± 9.2 6.51 ± 0.83 0.67 ± 0.07
MX3 102.9 ± 7.8 11.2 ± 1.1 30.4 ± 2.8 130.8 ± 9.2 9.26 ± 1.04 0.79 ± 0.08
RH8 -4.2 ± 9.0 9.1 ± 0.9 24.8 ± 2.3 130.9 ± 9.2 -0.42 ± 0.95 -0.03 ± 0.07
RH9 -4.2 ± 9.0 9.1 ± 0.9 24.8 ± 2.3 130.9 ± 9.2 -0.42 ± 0.95 -0.03 ± 0.07
RH10 -4.2 ± 9.0 9.1 ± 0.9 24.8 ± 2.3 130.9 ± 9.2 -0.42 ± 0.95 -0.03 ± 0.07
Average 64.0 15.5 41.1 129.7 3.2 0.5
Median 68.0 11.9 32.2 130.8 4.9 0.5
Deviation 89.7 12.6 31.3 2.9 3.8 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 43.2 ± 3.2 15.3 ± 1.9 18.7 ± 3.5 107.0 ± 2.8 2.87 ± 0.49 0.40 ± 0.03
VC 164.0 ± 11.1 55.8 ± 9.5 58.1 ± 10.9 92.0 ± 7.7 3.05 ± 0.77 1.79 ± 0.14
MX1 6.7 ± 5.9 13.0 ± 1.6 15.9 ± 3.0 107.3 ± 2.7 0.50 ± 0.42 0.06 ± 0.06
MX2 56.2 ± 3.9 14.9 ± 1.9 18.2 ± 3.4 107.1 ± 2.7 3.86 ± 0.74 0.52 ± 0.03
MX3 66.4 ± 6.2 12.3 ± 1.5 15.0 ± 2.8 107.4 ± 2.7 5.54 ± 1.20 0.62 ± 0.05
RH8 -2.6 ± 6.3 10.0 ± 1.2 12.3 ± 2.3 107.6 ± 2.6 -0.31 ± 0.66 -0.02 ± 0.06
RH9 -2.6 ± 6.3 10.0 ± 1.2 12.3 ± 2.3 107.6 ± 2.6 -0.31 ± 0.66 -0.02 ± 0.06
RH10 -2.6 ± 6.3 10.0 ± 1.2 12.3 ± 2.3 107.6 ± 2.6 -0.31 ± 0.66 -0.02 ± 0.06
Average 41.1 17.6 20.3 105.5 1.9 0.4
Median 43.2 13.0 15.9 107.4 2.9 0.4
Deviation 57.2 15.6 15.5 5.5 2.3 0.6

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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