CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20043140925
Observation time: 11/09/2004 314.39274 0925 [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 2004
Fractional day of year 314.392738
Arrival time of shock [seconds of day] 33932.5 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 199.677
Y GSE location of spacecraft [Re] 59.750
Z GSE location of spacecraft [Re] -8.293
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0300
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0336
Minimum chisq/dof for RH8,RH9,RH10 4.54, 10.34, 10.55
Event added to database
Sun Mar 13 01:34:46 2005
Event last processed
Tue Mar 31 00:11:04 2009
Method selected
RH08
Propagation delay to Earth [minutes]
24.979 ± 1.097

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -586.1 ± 18.4 -743.0 ± 9.8
Vy GSE [km/s] -0.3 ± 11.2 -1.0 ± 25.0
Vz GSE [km/s] -34.3 ± 20.7 -167.5 ± 15.1
Wi [km/s] 28.0 ± 9.5 97.6 ± 29.5
We [km/s] 884.6 ± 300.0 3087.2 ± 931.9
Ni [n/cc] 0.8 ± 0.3 5.4 ± 0.5
Bx GSE [nT] -2.4 ± 0.5 -0.3 ± 1.9
By GSE [nT] 3.6 ± 0.7 12.9 ± 1.2
Bz GSE [nT] -0.3 ± 0.6 1.1 ± 2.1
Plasma Beta
0.079 ± 0.069
0.763 ± 0.663
Sound Speed [km/s]
36.11 ± 12.25
126.04 ± 38.05
Alfven Speed [km/s]
107.18 ± 15.34
124.59 ± 15.79

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.929 ± 0.073 0.305 ± 0.129 -0.212 ± 0.208 -12.21 ± 17.16 161.82 ± 7.85
VC -0.768 ± 0.060 -0.003 ± 0.124 -0.640 ± 0.534 -39.82 ± 5.39 180.19 ± 9.25
MX1 -0.798 ± 0.076 0.253 ± 0.124 -0.547 ± 0.485 -33.16 ± 7.24 162.38 ± 8.76
MX2 -0.759 ± 0.071 0.246 ± 0.118 -0.603 ± 0.516 -37.09 ± 6.06 162.07 ± 8.78
MX3 -0.746 ± 0.078 0.243 ± 0.117 -0.620 ± 0.525 -38.29 ± 6.60 161.95 ± 8.80
RH08 -0.976 ± 0.004 0.146 ± 0.013 -0.162 ± 0.161 -9.32 ± 1.28 171.48 ± 0.78
RH09 -0.949 ± 0.022 0.159 ± 0.070 -0.274 ± 0.267 -15.89 ± 4.01 170.47 ± 4.20
RH10 -0.949 ± 0.022 0.159 ± 0.070 -0.274 ± 0.267 -15.89 ± 4.01 170.47 ± 4.20
Average -0.859 0.189 -0.416 -25.210 167.605
Median -0.798 0.243 -0.274 -15.887 170.474
Deviation 0.099 0.096 0.204 13.006 6.689

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 38.6 ± 9.3 759.1 ± 20.6 6.65 ± 1.76
VC 61.8 ± 10.9 715.7 ± 22.9 6.65 ± 1.76
MX1 46.1 ± 10.9 721.0 ± 24.1 6.65 ± 1.76
MX2 48.0 ± 10.9 701.1 ± 24.5 6.65 ± 1.76
MX3 48.6 ± 10.9 694.6 ± 24.6 6.65 ± 1.76
RH08 47.7 ± 9.0 784.8 ± 18.9 6.65 ± 1.76
RH09 47.3 ± 9.7 785.8 ± 20.5 6.65 ± 1.76
RH10 47.3 ± 9.7 785.8 ± 20.5 6.65 ± 1.76
Average 48.2 743.5 6.65
Median 47.7 759.1 6.65
Deviation 6.3 39.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 207.7 ± 17.2 27.3 ± 8.8 83.7 ± 12.0 110.1 ± 15.2 8.40 ± 2.86 1.92 ± 0.34
VC 243.6 ± 20.5 16.1 ± 5.0 50.7 ± 7.3 112.5 ± 15.2 16.51 ± 5.33 2.21 ± 0.37
MX1 234.7 ± 18.9 24.0 ± 7.6 74.3 ± 10.6 110.9 ± 15.2 10.74 ± 3.59 2.15 ± 0.35
MX2 235.7 ± 19.2 23.2 ± 7.3 71.8 ± 10.3 111.1 ± 15.2 11.19 ± 3.73 2.16 ± 0.35
MX3 236.1 ± 19.2 22.9 ± 7.2 70.9 ± 10.2 111.2 ± 15.2 11.35 ± 3.78 2.16 ± 0.35
RH8 207.3 ± 18.1 23.3 ± 7.4 72.2 ± 10.3 111.1 ± 15.2 9.79 ± 3.27 1.91 ± 0.36
RH9 220.6 ± 18.4 23.5 ± 7.4 72.7 ± 10.4 111.0 ± 15.2 10.34 ± 3.44 2.03 ± 0.36
RH10 220.6 ± 18.4 23.5 ± 7.4 72.7 ± 10.4 111.0 ± 15.2 10.34 ± 3.44 2.03 ± 0.36
Average 225.8 23.0 71.1 111.1 11.1 2.1
Median 234.7 23.5 72.7 111.1 10.7 2.2
Deviation 13.8 3.1 9.2 0.6 2.4 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 34.0 ± 15.6 71.4 ± 9.6 97.3 ± 12.3 165.7 ± 16.4 0.50 ± 0.30 0.21 ± 0.11
VC 37.7 ± 16.1 40.7 ± 5.2 59.0 ± 7.5 175.9 ± 17.3 0.96 ± 0.48 0.22 ± 0.10
MX1 36.8 ± 18.6 61.9 ± 8.2 86.4 ± 11.0 169.5 ± 16.7 0.63 ± 0.39 0.22 ± 0.12
MX2 36.5 ± 19.0 59.5 ± 7.8 83.4 ± 10.6 170.4 ± 16.8 0.65 ± 0.41 0.22 ± 0.12
MX3 36.6 ± 19.1 58.7 ± 7.7 82.4 ± 10.4 170.7 ± 16.8 0.66 ± 0.41 0.22 ± 0.12
RH8 32.7 ± 12.9 59.8 ± 7.9 83.9 ± 10.6 170.3 ± 16.8 0.57 ± 0.29 0.20 ± 0.09
RH9 35.4 ± 14.4 60.3 ± 8.0 84.5 ± 10.7 170.1 ± 16.8 0.61 ± 0.31 0.21 ± 0.10
RH10 35.4 ± 14.4 60.3 ± 8.0 84.5 ± 10.7 170.1 ± 16.8 0.61 ± 0.31 0.21 ± 0.10
Average 35.6 59.1 82.7 170.3 0.6 0.2
Median 36.5 60.3 84.5 170.3 0.6 0.2
Deviation 1.7 8.5 10.7 2.7 0.1 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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