CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20021500220
Observation time: 05/30/2002 150.09741 0220 [UT]

Wind spacecraft

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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 150.097413
Arrival time of shock [seconds of day] 8416.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 27.945
Y GSE location of spacecraft [Re] 319.013
Z GSE location of spacecraft [Re] 23.500
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0263
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0194
Minimum chisq/dof for RH8,RH9,RH10 149.32, 160.99, 175.76
Event added to database
Mon Feb 14 11:19:33 2005
Event last processed
Mon Mar 30 23:11:28 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-1.483 ± 41.696

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -461.7 ± 2.9 -479.2 ± 1.7
Vy GSE [km/s] -11.5 ± 1.8 20.2 ± 4.4
Vz GSE [km/s] -8.1 ± 5.3 -91.1 ± 6.3
Wi [km/s] 44.0 ± 4.3 35.5 ± 2.8
We [km/s] 1391.7 ± 135.9 1121.3 ± 87.1
Ni [n/cc] 1.9 ± 0.1 2.3 ± 0.2
Bx GSE [nT] -3.8 ± 0.1 -7.8 ± 0.1
By GSE [nT] 0.7 ± 0.4 1.0 ± 0.5
Bz GSE [nT] 1.3 ± 0.4 4.1 ± 0.3
Plasma Beta
0.448 ± 0.453
0.077 ± 0.077
Sound Speed [km/s]
56.82 ± 5.55
45.78 ± 3.56
Alfven Speed [km/s]
66.23 ± 2.30
129.30 ± 5.41

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.725 ± 0.208 0.204 ± 0.550 -0.658 ± 0.541 -41.16 ± 12.53 164.26 ± 43.38
VC -0.193 ± 0.033 0.351 ± 0.042 -0.916 ± 0.464 -66.38 ± 2.82 118.79 ± 4.10
MX1 -0.499 ± 0.073 0.403 ± 0.063 -0.767 ± 0.561 -50.12 ± 6.62 141.11 ± 3.29
MX2 -0.499 ± 0.070 0.398 ± 0.064 -0.770 ± 0.561 -50.35 ± 5.98 141.40 ± 4.59
MX3 -0.499 ± 0.071 0.393 ± 0.070 -0.772 ± 0.561 -50.55 ± 5.44 141.77 ± 6.09
RH08 0.161 ± 0.003 0.135 ± 0.004 -0.978 ± 0.286 -77.86 ± 0.00 40.11 ± 1.29
RH09 0.165 ± 0.113 0.130 ± 0.136 -0.978 ± 0.286 -77.86 ± 3.45 38.11 ± 45.40
RH10 0.172 ± 0.142 0.121 ± 0.193 -0.978 ± 0.286 -77.86 ± 3.55 35.10 ± 63.30
Average -0.240 0.267 -0.852 -61.521 102.581
Median -0.193 0.351 -0.772 -50.552 141.112
Deviation 0.365 0.131 0.125 15.187 55.043

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 60.3 ± 5.6 817.2 ± 1013.4 1.20 ± 0.12
VC 86.8 ± 6.5 689.4 ± 1234.4 1.20 ± 0.12
MX1 73.4 ± 6.5 789.3 ± 1164.8 1.20 ± 0.12
MX2 73.5 ± 6.5 789.6 ± 1165.7 1.20 ± 0.12
MX3 73.6 ± 6.5 790.0 ± 1166.2 1.20 ± 0.12
RH08 63.8 ± 6.1 475.9 ± 1123.2 1.20 ± 0.12
RH09 63.5 ± 6.1 472.1 ± 1119.6 1.20 ± 0.12
RH10 63.0 ± 6.1 466.6 ± 1114.2 1.20 ± 0.12
Average 69.7 661.3 1.20
Median 73.4 789.3 1.20
Deviation 8.8 161.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 479.7 ± 2.8 22.0 ± 1.2 32.8 ± 1.1 84.6 ± 3.5 21.88 ± 1.18 5.68 ± 0.21
VC 597.0 ± 4.7 2.4 ± 0.1 3.7 ± 0.1 87.3 ± 3.7 250.40 ± 14.02 6.85 ± 0.28
MX1 557.3 ± 3.7 12.4 ± 0.7 18.9 ± 0.7 86.5 ± 3.6 45.07 ± 2.45 6.45 ± 0.25
MX2 557.7 ± 3.7 12.3 ± 0.7 18.8 ± 0.7 86.5 ± 3.6 45.42 ± 2.47 6.46 ± 0.25
MX3 557.9 ± 3.7 12.3 ± 0.7 18.7 ± 0.7 86.5 ± 3.6 45.63 ± 2.49 6.46 ± 0.25
RH8 543.8 ± 5.5 19.4 ± 1.1 29.2 ± 1.0 85.2 ± 3.5 28.07 ± 1.67 6.39 ± 0.27
RH9 542.1 ± 5.6 19.7 ± 1.1 29.6 ± 1.0 85.1 ± 3.5 27.63 ± 1.64 6.38 ± 0.27
RH10 539.5 ± 5.6 20.0 ± 1.1 30.1 ± 1.0 85.0 ± 3.5 27.01 ± 1.61 6.35 ± 0.27
Average 546.9 15.1 22.7 85.8 61.4 6.4
Median 557.3 19.4 29.2 86.5 45.1 6.5
Deviation 32.6 6.5 9.7 1.0 77.0 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 405.9 ± 5.7 21.6 ± 1.4 64.0 ± 2.7 135.5 ± 4.3 18.87 ± 1.49 3.00 ± 0.07
VC 506.4 ± 6.9 2.4 ± 0.2 7.2 ± 0.3 137.2 ± 4.1 212.18 ± 16.27 3.69 ± 0.08
MX1 472.1 ± 6.6 12.4 ± 0.8 36.9 ± 1.5 136.7 ± 4.1 38.37 ± 2.97 3.46 ± 0.08
MX2 472.5 ± 6.6 12.3 ± 0.8 36.7 ± 1.5 136.7 ± 4.1 38.66 ± 2.99 3.46 ± 0.08
MX3 472.6 ± 6.6 12.2 ± 0.8 36.5 ± 1.5 136.7 ± 4.1 38.83 ± 3.01 3.46 ± 0.08
RH8 461.2 ± 6.2 19.2 ± 1.3 57.0 ± 2.4 135.9 ± 4.2 24.14 ± 1.90 3.40 ± 0.08
RH9 459.7 ± 6.2 19.4 ± 1.3 57.7 ± 2.4 135.9 ± 4.2 23.77 ± 1.87 3.39 ± 0.08
RH10 457.5 ± 6.2 19.8 ± 1.3 58.7 ± 2.5 135.8 ± 4.3 23.25 ± 1.83 3.37 ± 0.08
Average 463.5 14.9 44.4 136.3 52.3 3.4
Median 472.1 19.2 57.0 136.7 38.4 3.5
Deviation 27.9 6.4 18.9 0.6 65.1 0.2

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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