CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20020590506
Observation time: 02/28/2002 59.21290 0506 [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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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2002
Fractional day of year 59.212899
Arrival time of shock [seconds of day] 18394.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] -8.285
Y GSE location of spacecraft [Re] -246.569
Z GSE location of spacecraft [Re] 5.820
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0289
Downstream plasma points selected for analysis 0011
Downstream field points selected for analysis 0335
Minimum chisq/dof for RH8,RH9,RH10 2.86, 7.91, 8.05
Event added to database
Mon Feb 14 11:18:07 2005
Event last processed
Mon Mar 30 22:43:10 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-1.868 ± 1.279

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -307.7 ± 6.3 -371.9 ± 10.2
Vy GSE [km/s] 21.0 ± 13.9 29.8 ± 11.9
Vz GSE [km/s] -7.5 ± 10.3 10.3 ± 16.5
Wi [km/s] 22.2 ± 5.1 57.1 ± 5.7
We [km/s] 702.5 ± 160.8 1804.6 ± 179.6
Ni [n/cc] 5.3 ± 0.7 20.3 ± 2.6
Bx GSE [nT] 6.7 ± 0.3 7.9 ± 2.0
By GSE [nT] 0.4 ± 1.5 5.5 ± 3.3
Bz GSE [nT] -1.1 ± 0.9 -4.5 ± 3.6
Plasma Beta
0.121 ± 0.141
1.100 ± 1.067
Sound Speed [km/s]
28.68 ± 6.56
73.67 ± 7.33
Alfven Speed [km/s]
66.66 ± 3.84
56.67 ± 7.52

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.982 ± 0.044 0.129 ± 0.231 0.141 ± 0.140 8.10 ± 13.23 172.53 ± 13.47
VC -0.954 ± 0.081 0.133 ± 0.249 0.268 ± 0.261 15.52 ± 15.84 172.05 ± 14.93
MX1 -0.942 ± 0.118 0.154 ± 0.351 0.299 ± 0.290 17.42 ± 19.98 170.73 ± 21.34
MX2 -0.941 ± 0.088 0.162 ± 0.225 0.296 ± 0.287 17.21 ± 15.45 170.22 ± 13.67
MX3 -0.943 ± 0.085 0.164 ± 0.215 0.290 ± 0.282 16.88 ± 15.35 170.16 ± 13.01
RH08 -0.989 ± 0.005 0.009 ± 0.018 0.151 ± 0.150 8.68 ± 1.87 179.50 ± 1.06
RH09 -0.954 ± 0.021 -0.042 ± 0.071 0.296 ± 0.287 17.22 ± 4.00 182.51 ± 4.24
RH10 -0.954 ± 0.021 -0.042 ± 0.071 0.296 ± 0.287 17.22 ± 4.00 182.51 ± 4.24
Average -0.957 0.083 0.255 14.781 175.024
Median -0.954 0.133 0.296 17.208 172.526
Deviation 0.018 0.092 0.068 3.994 5.507

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 15.9 ± 8.2 395.2 ± 10.8 3.89 ± 0.73
VC 17.4 ± 7.2 387.4 ± 9.3 3.89 ± 0.73
MX1 18.8 ± 7.5 384.0 ± 9.0 3.89 ± 0.73
MX2 19.0 ± 7.7 384.2 ± 9.0 3.89 ± 0.73
MX3 18.9 ± 7.8 384.6 ± 9.1 3.89 ± 0.73
RH08 13.2 ± 5.8 392.8 ± 11.4 3.89 ± 0.73
RH09 15.3 ± 3.2 379.5 ± 9.6 3.89 ± 0.73
RH10 15.3 ± 3.2 379.5 ± 9.6 3.89 ± 0.73
Average 16.7 385.9 3.89
Median 17.4 384.6 3.89
Deviation 2.1 5.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 91.4 ± 6.5 27.3 ± 6.1 64.1 ± 3.7 67.3 ± 3.6 3.53 ± 0.94 1.36 ± 0.09
VC 93.0 ± 6.3 27.0 ± 6.0 63.6 ± 3.7 67.4 ± 3.5 3.62 ± 0.94 1.38 ± 0.09
MX1 93.2 ± 6.4 26.7 ± 5.9 63.1 ± 3.6 67.5 ± 3.5 3.66 ± 0.95 1.38 ± 0.09
MX2 93.3 ± 6.4 26.7 ± 5.9 63.0 ± 3.6 67.5 ± 3.5 3.67 ± 0.95 1.38 ± 0.09
MX3 93.2 ± 6.5 26.7 ± 5.9 63.1 ± 3.6 67.5 ± 3.5 3.66 ± 0.95 1.38 ± 0.09
RH8 89.6 ± 5.9 27.7 ± 6.2 64.9 ± 3.7 67.1 ± 3.6 3.40 ± 0.88 1.34 ± 0.10
RH9 88.9 ± 5.6 27.4 ± 6.1 64.3 ± 3.7 67.2 ± 3.6 3.41 ± 0.86 1.32 ± 0.10
RH10 88.9 ± 5.6 27.4 ± 6.1 64.3 ± 3.7 67.2 ± 3.6 3.41 ± 0.86 1.32 ± 0.10
Average 91.4 27.1 63.8 67.4 3.5 1.4
Median 93.0 27.3 64.1 67.4 3.6 1.4
Deviation 2.0 0.4 0.7 0.2 0.1 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 24.8 ± 7.6 51.2 ± 4.6 54.5 ± 7.2 77.9 ± 5.3 0.48 ± 0.14 0.32 ± 0.09
VC 25.8 ± 6.1 50.5 ± 4.5 54.1 ± 7.2 78.4 ± 5.3 0.51 ± 0.12 0.33 ± 0.07
MX1 26.1 ± 5.7 49.8 ± 4.4 53.6 ± 7.1 78.9 ± 5.2 0.52 ± 0.12 0.33 ± 0.06
MX2 26.2 ± 5.8 49.7 ± 4.4 53.6 ± 7.1 78.9 ± 5.2 0.53 ± 0.12 0.33 ± 0.06
MX3 26.1 ± 5.8 49.7 ± 4.4 53.6 ± 7.1 78.9 ± 5.2 0.53 ± 0.12 0.33 ± 0.06
RH8 23.3 ± 8.0 52.4 ± 4.9 55.2 ± 7.3 77.1 ± 5.5 0.44 ± 0.14 0.30 ± 0.10
RH9 22.7 ± 6.1 51.5 ± 4.7 54.7 ± 7.3 77.7 ± 5.4 0.44 ± 0.11 0.29 ± 0.07
RH10 22.7 ± 6.1 51.5 ± 4.7 54.7 ± 7.3 77.7 ± 5.4 0.44 ± 0.11 0.29 ± 0.07
Average 24.7 50.8 54.2 78.2 0.5 0.3
Median 25.8 51.2 54.5 78.4 0.5 0.3
Deviation 1.6 1.0 0.6 0.7 0.0 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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