CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20021130500
Observation time: 04/23/2002 113.20859 0500 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
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 2002
Fractional day of year 113.208594
Arrival time of shock [seconds of day] 18022.5 ± 9.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 1.350
Y GSE location of spacecraft [Re] 233.869
Z GSE location of spacecraft [Re] 11.660
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0276
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0298
Minimum chisq/dof for RH8,RH9,RH10 8.37, 10.27, 10.60
Event added to database
Mon Feb 14 11:19:13 2005
Event last processed
Mon Mar 30 23:02:47 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-7.487 ± 0.740

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -450.5 ± 18.4 -582.3 ± 9.0
Vy GSE [km/s] -10.1 ± 8.0 53.8 ± 17.9
Vz GSE [km/s] -14.6 ± 11.4 84.5 ± 35.4
Wi [km/s] 48.1 ± 12.2 124.7 ± 14.7
We [km/s] 1521.0 ± 385.9 3944.5 ± 463.3
Ni [n/cc] 4.1 ± 0.6 13.6 ± 1.6
Bx GSE [nT] 0.6 ± 1.3 -4.9 ± 1.8
By GSE [nT] 5.3 ± 0.8 6.0 ± 3.4
Bz GSE [nT] 2.7 ± 1.7 -6.5 ± 4.0
Plasma Beta
0.575 ± 0.494
4.300 ± 3.469
Sound Speed [km/s]
62.09 ± 15.76
161.03 ± 18.92
Alfven Speed [km/s]
68.35 ± 6.17
66.73 ± 15.62

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.499 ± 0.783 0.852 ± 0.461 0.156 ± 0.155 9.00 ± 22.17 120.37 ± 52.60
VC -0.753 ± 0.097 0.367 ± 0.109 0.546 ± 0.484 33.08 ± 9.81 153.99 ± 7.68
MX1 -0.916 ± 0.138 0.151 ± 0.691 0.373 ± 0.355 21.89 ± 12.10 170.66 ± 43.26
MX2 -0.861 ± 0.171 0.290 ± 0.446 0.417 ± 0.391 24.65 ± 11.93 161.38 ± 29.60
MX3 -0.796 ± 0.136 0.364 ± 0.222 0.483 ± 0.442 28.91 ± 12.09 155.41 ± 15.71
RH08 -0.956 ± 0.006 0.195 ± 0.018 0.218 ± 0.214 12.58 ± 1.34 168.47 ± 1.07
RH09 -0.959 ± 0.020 0.196 ± 0.070 0.207 ± 0.204 11.93 ± 3.97 168.47 ± 4.16
RH10 -0.959 ± 0.020 0.196 ± 0.070 0.207 ± 0.204 11.93 ± 3.97 168.47 ± 4.16
Average -0.837 0.326 0.326 19.247 158.400
Median -0.861 0.290 0.373 21.893 168.468
Deviation 0.157 0.228 0.148 9.082 16.639

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 41.3 ± 14.1 417.4 ± 30.2 3.34 ± 0.76
VC 60.6 ± 10.9 581.5 ± 44.2 3.34 ± 0.76
MX1 78.6 ± 13.4 644.2 ± 34.5 3.34 ± 0.76
MX2 70.0 ± 13.5 628.0 ± 37.7 3.34 ± 0.76
MX3 63.8 ± 13.6 601.7 ± 41.3 3.34 ± 0.76
RH08 80.4 ± 13.0 655.5 ± 28.2 3.34 ± 0.76
RH09 80.7 ± 12.9 655.9 ± 27.7 3.34 ± 0.76
RH10 80.7 ± 12.9 655.9 ± 27.7 3.34 ± 0.76
Average 69.5 605.0 3.34
Median 78.6 644.2 3.34
Deviation 14.0 80.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 203.3 ± 11.8 36.3 ± 3.2 51.4 ± 4.6 86.0 ± 8.2 5.64 ± 0.68 2.38 ± 0.24
VC 253.9 ± 14.5 22.5 ± 2.0 33.6 ± 3.0 90.6 ± 8.3 11.33 ± 1.08 2.82 ± 0.24
MX1 238.7 ± 16.7 8.8 ± 0.8 13.5 ± 1.2 92.9 ± 8.4 27.11 ± 2.64 2.58 ± 0.20
MX2 249.0 ± 16.0 15.4 ± 1.3 23.4 ± 2.1 92.1 ± 8.3 16.22 ± 1.58 2.72 ± 0.22
MX3 253.7 ± 15.1 20.1 ± 1.7 30.1 ± 2.7 91.2 ± 8.3 12.71 ± 1.23 2.80 ± 0.23
RH8 229.8 ± 17.5 7.4 ± 0.6 11.4 ± 1.0 93.1 ± 8.4 31.18 ± 3.24 2.48 ± 0.20
RH9 229.0 ± 17.5 7.2 ± 0.6 11.0 ± 1.0 93.1 ± 8.4 31.95 ± 3.34 2.47 ± 0.20
RH10 229.0 ± 17.5 7.2 ± 0.6 11.0 ± 1.0 93.1 ± 8.4 31.95 ± 3.34 2.47 ± 0.20
Average 235.8 15.6 23.2 91.5 21.0 2.6
Median 238.7 15.4 23.4 92.9 27.1 2.6
Deviation 17.0 10.4 14.5 2.4 10.7 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 67.6 ± 16.7 47.6 ± 9.6 50.2 ± 11.7 168.3 ± 16.0 1.50 ± 0.62 0.40 ± 0.10
VC 77.1 ± 22.3 30.3 ± 5.8 32.8 ± 7.7 172.5 ± 14.9 2.71 ± 1.30 0.45 ± 0.12
MX1 71.5 ± 14.8 12.0 ± 2.2 13.2 ± 3.1 174.8 ± 14.5 6.27 ± 2.48 0.41 ± 0.08
MX2 75.7 ± 17.2 20.9 ± 3.9 22.8 ± 5.3 174.0 ± 14.7 3.83 ± 1.59 0.44 ± 0.10
MX3 77.7 ± 20.1 27.1 ± 5.1 29.4 ± 6.9 173.1 ± 14.8 3.05 ± 1.36 0.45 ± 0.11
RH8 69.8 ± 10.6 10.1 ± 1.9 11.1 ± 2.6 175.0 ± 14.5 7.25 ± 2.43 0.40 ± 0.06
RH9 69.7 ± 10.3 9.8 ± 1.8 10.8 ± 2.5 175.0 ± 14.5 7.44 ± 2.46 0.40 ± 0.06
RH10 69.7 ± 10.3 9.8 ± 1.8 10.8 ± 2.5 175.0 ± 14.5 7.44 ± 2.46 0.40 ± 0.06
Average 72.3 21.0 22.6 173.5 4.9 0.4
Median 71.5 20.9 22.8 174.8 6.3 0.4
Deviation 3.9 13.5 14.2 2.3 2.4 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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