CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20073021702
Observation time: 10/29/2007 302.71026 1702 [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 2007
Fractional day of year 302.710260
Arrival time of shock [seconds of day] 61366.5 ± 40.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 212.118
Y GSE location of spacecraft [Re] 95.128
Z GSE location of spacecraft [Re] 0.508
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0229
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0124
Minimum chisq/dof for RH8,RH9,RH10 1.76, 1.92, 2.32
Event added to database
Tue Sep 24 09:06:37 2013
Event last processed
Tue Oct 8 16:29:11 2013
Method selected
RH08
Propagation delay to Earth [minutes]
0.332 ± 1.595

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -476.2 ± 2.7 -510.6 ± 5.2
Vy GSE [km/s] -13.1 ± 2.0 -25.6 ± 2.1
Vz GSE [km/s] 15.9 ± 3.2 -6.4 ± 8.5
Wi [km/s] 36.2 ± 1.3 43.7 ± 1.5
We [km/s] 1144.6 ± 42.4 1383.4 ± 46.6
Ni [n/cc] 4.5 ± 0.2 5.1 ± 0.4
Bx GSE [nT] -4.3 ± 0.2 0.1 ± 0.7
By GSE [nT] 3.6 ± 0.2 5.7 ± 0.2
Bz GSE [nT] -2.8 ± 0.3 0.1 ± 1.1
Plasma Beta
0.316 ± 0.305
0.600 ± 0.591
Sound Speed [km/s]
46.73 ± 1.73
56.48 ± 1.90
Alfven Speed [km/s]
64.61 ± 1.95
56.76 ± 2.74

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.333 ± 0.060 0.918 ± 0.031 -0.215 ± 0.211 -12.39 ± 6.36 109.93 ± 3.69
VC -0.805 ± 0.106 -0.290 ± 0.060 -0.518 ± 0.466 -31.19 ± 12.26 199.82 ± 3.34
MX1 -0.332 ± 0.074 0.917 ± 0.037 -0.220 ± 0.217 -12.73 ± 7.25 109.88 ± 4.58
MX2 -0.334 ± 0.053 0.919 ± 0.028 -0.211 ± 0.207 -12.16 ± 6.15 109.95 ± 3.26
MX3 -0.772 ± 0.644 0.627 ± 0.792 0.106 ± 0.105 6.06 ± 29.40 140.94 ± 58.74
RH08 -0.411 ± 0.013 0.910 ± 0.006 -0.050 ± 0.050 -2.88 ± 1.63 114.32 ± 0.83
RH09 -0.411 ± 0.021 0.910 ± 0.010 -0.050 ± 0.050 -2.88 ± 2.55 114.32 ± 1.34
RH10 -0.411 ± 0.032 0.910 ± 0.015 -0.050 ± 0.050 -2.88 ± 3.79 114.32 ± 2.02
Average -0.476 0.728 -0.151 -8.882 126.683
Median -0.411 0.910 -0.050 -2.882 114.318
Deviation 0.196 0.423 0.186 11.127 31.291

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 32.1 ± 1.8 183.7 ± 14.8 1.11 ± 0.13
VC 51.7 ± 1.6 801.5 ± 146.3 1.11 ± 0.13
MX1 31.9 ± 1.8 183.8 ± 15.3 1.11 ± 0.13
MX2 32.2 ± 1.8 183.6 ± 14.5 1.11 ± 0.13
MX3 32.9 ± 3.5 505.2 ± 43.8 1.11 ± 0.13
RH08 34.6 ± 2.5 217.3 ± 7.9 1.11 ± 0.13
RH09 34.6 ± 2.5 217.3 ± 7.9 1.11 ± 0.13
RH10 34.6 ± 2.5 217.3 ± 41.2 1.11 ± 0.13
Average 35.6 313.7 1.11
Median 34.6 217.3 1.11
Deviation 6.6 224.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 40.7 ± 1.4 35.9 ± 0.7 54.7 ± 1.6 71.2 ± 1.0 1.13 ± 0.05 0.57 ± 0.02
VC 422.7 ± 2.4 24.7 ± 0.4 40.1 ± 1.2 75.9 ± 0.7 17.14 ± 0.31 5.57 ± 0.05
MX1 41.4 ± 1.4 36.0 ± 0.7 54.8 ± 1.7 71.2 ± 1.0 1.15 ± 0.05 0.58 ± 0.02
MX2 40.2 ± 1.4 35.8 ± 0.7 54.7 ± 1.6 71.3 ± 1.0 1.12 ± 0.05 0.56 ± 0.02
MX3 144.1 ± 2.7 35.4 ± 0.7 54.2 ± 1.6 71.5 ± 0.9 4.07 ± 0.14 2.02 ± 0.03
RH8 34.2 ± 2.0 34.5 ± 0.6 53.2 ± 1.6 71.9 ± 0.9 0.99 ± 0.07 0.48 ± 0.03
RH9 34.2 ± 2.0 34.5 ± 0.6 53.2 ± 1.6 71.9 ± 0.9 0.99 ± 0.07 0.48 ± 0.03
RH10 34.2 ± 2.0 34.5 ± 0.6 53.2 ± 1.6 71.9 ± 0.9 0.99 ± 0.07 0.48 ± 0.03
Average 99.0 33.9 52.3 72.1 3.4 1.3
Median 40.7 35.4 54.2 71.9 1.1 0.6
Deviation 136.1 3.8 5.0 1.6 5.6 1.8

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 35.8 ± 2.0 38.7 ± 0.6 48.1 ± 2.3 70.2 ± 0.8 0.93 ± 0.06 0.51 ± 0.03
VC 379.8 ± 1.6 26.2 ± 0.4 35.2 ± 1.7 75.7 ± 0.9 14.48 ± 0.26 5.02 ± 0.08
MX1 36.4 ± 2.0 38.7 ± 0.6 48.2 ± 2.3 70.1 ± 0.8 0.94 ± 0.06 0.52 ± 0.03
MX2 35.4 ± 2.0 38.6 ± 0.6 48.0 ± 2.3 70.2 ± 0.8 0.92 ± 0.06 0.50 ± 0.03
MX3 127.6 ± 3.7 38.1 ± 0.6 47.6 ± 2.3 70.5 ± 0.8 3.35 ± 0.09 1.81 ± 0.05
RH8 30.2 ± 0.6 37.1 ± 0.6 46.7 ± 2.3 71.0 ± 0.8 0.81 ± 0.02 0.43 ± 0.01
RH9 30.2 ± 0.6 37.1 ± 0.6 46.7 ± 2.3 71.0 ± 0.8 0.81 ± 0.02 0.43 ± 0.01
RH10 30.2 ± 0.6 37.1 ± 0.6 46.7 ± 2.3 71.0 ± 0.8 0.81 ± 0.02 0.43 ± 0.01
Average 88.2 36.5 45.9 71.2 2.9 1.2
Median 35.8 38.1 47.6 71.0 0.9 0.5
Deviation 122.4 4.2 4.4 1.9 4.8 1.6

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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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