CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20013390233
Observation time: 12/05/2001 339.10680 0233 [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 2001
Fractional day of year 339.106796
Arrival time of shock [seconds of day] 9227.2 ± 60.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 42.550
Y GSE location of spacecraft [Re] 426.131
Z GSE location of spacecraft [Re] 18.420
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0302
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0329
Minimum chisq/dof for RH8,RH9,RH10 6.13, 8.14, 8.32
Event added to database
Mon Feb 14 11:16:49 2005
Event last processed
Mon Mar 30 22:14:27 2009
Method selected
RH08
Propagation delay to Earth [minutes]
57.109 ± 7.154

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -381.1 ± 4.3 -456.0 ± 13.7
Vy GSE [km/s] -103.4 ± 5.9 -17.9 ± 5.9
Vz GSE [km/s] 25.0 ± 8.4 -4.2 ± 18.4
Wi [km/s] 69.0 ± 7.9 36.3 ± 5.8
We [km/s] 2183.2 ± 249.8 1147.6 ± 182.7
Ni [n/cc] 14.9 ± 1.9 6.7 ± 2.8
Bx GSE [nT] -4.9 ± 2.1 -1.2 ± 1.0
By GSE [nT] -10.4 ± 0.7 -8.2 ± 0.7
Bz GSE [nT] -13.3 ± 2.7 -2.9 ± 1.9
Plasma Beta
0.496 ± 0.478
0.237 ± 0.225
Sound Speed [km/s]
89.13 ± 10.20
46.85 ± 7.46
Alfven Speed [km/s]
101.41 ± 9.65
79.86 ± 14.85

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.280 ± 0.794 -0.945 ± 0.236 0.168 ± 0.166 9.65 ± 6.89 253.52 ± 48.10
VC -0.733 ± 0.389 0.644 ± 0.443 -0.218 ± 0.214 -12.59 ± 11.20 138.72 ± 34.54
MX1 -0.959 ± 0.403 -0.279 ± 1.385 0.038 ± 0.038 2.16 ± 5.33 196.23 ± 82.69
MX2 -0.182 ± 1.093 -0.982 ± 0.203 0.041 ± 0.041 2.35 ± 4.72 259.48 ± 63.75
MX3 -0.999 ± 0.019 -0.014 ± 1.336 0.042 ± 0.042 2.40 ± 5.99 180.78 ± 76.61
RH08 -0.852 ± 0.011 -0.408 ± 0.019 0.330 ± 0.317 19.25 ± 1.08 205.57 ± 1.30
RH09 -0.855 ± 0.036 -0.409 ± 0.064 0.318 ± 0.307 18.57 ± 3.99 205.57 ± 4.26
RH10 -0.855 ± 0.036 -0.409 ± 0.064 0.318 ± 0.307 18.57 ± 3.99 205.57 ± 4.26
Average -0.714 -0.350 0.130 7.543 205.679
Median -0.852 -0.408 0.168 9.648 205.571
Deviation 0.310 0.517 0.192 11.163 38.501

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 59.2 ± 8.2 248.4 ± 94.4 0.45 ± 0.23
VC 89.5 ± 2.7 132.6 ± 142.3 0.45 ± 0.23
MX1 65.8 ± 9.6 364.6 ± 45.2 0.45 ± 0.23
MX2 53.2 ± 6.8 216.2 ± 96.8 0.45 ± 0.23
MX3 74.9 ± 8.3 332.7 ± 74.7 0.45 ± 0.23
RH08 76.2 ± 10.8 363.6 ± 19.4 0.45 ± 0.23
RH09 75.6 ± 10.8 364.5 ± 19.4 0.45 ± 0.23
RH10 75.6 ± 10.8 364.5 ± 19.4 0.45 ± 0.23
Average 71.2 298.4 0.45
Median 75.6 363.6 0.45
Deviation 11.4 88.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 39.8 ± 6.2 35.0 ± 1.4 52.0 ± 4.9 131.0 ± 4.5 1.14 ± 0.17 0.30 ± 0.04
VC -74.8 ± 5.3 0.6 ± 0.0 0.9 ± 0.1 135.6 ± 4.6 -122.22 ± 8.82 -0.55 ± 0.04
MX1 -30.9 ± 4.9 27.7 ± 1.1 41.6 ± 4.0 132.7 ± 4.5 -1.12 ± 0.20 -0.23 ± 0.04
MX2 44.0 ± 6.2 41.6 ± 1.6 60.8 ± 5.8 129.1 ± 4.5 1.06 ± 0.14 0.34 ± 0.04
MX3 -50.5 ± 4.1 17.4 ± 0.7 26.4 ± 2.5 134.5 ± 4.6 -2.92 ± 0.29 -0.38 ± 0.04
RH8 -11.4 ± 4.5 15.9 ± 0.6 24.2 ± 2.3 134.7 ± 4.6 -0.73 ± 0.30 -0.09 ± 0.04
RH9 -11.7 ± 4.5 16.6 ± 0.6 25.3 ± 2.4 134.6 ± 4.6 -0.71 ± 0.29 -0.09 ± 0.04
RH10 -11.7 ± 4.5 16.6 ± 0.6 25.3 ± 2.4 134.6 ± 4.6 -0.71 ± 0.29 -0.09 ± 0.04
Average -13.4 21.4 32.1 133.3 -15.8 -0.1
Median -11.7 17.4 26.4 134.6 -0.7 -0.1
Deviation 40.7 12.9 18.8 2.3 43.0 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 104.6 ± 10.1 20.9 ± 2.8 40.9 ± 7.6 90.8 ± 12.2 5.07 ± 0.65 1.17 ± 0.21
VC -191.2 ± 7.7 0.4 ± 0.0 0.7 ± 0.1 93.2 ± 12.1 -527.53 ± 68.57 -2.08 ± 0.30
MX1 -77.8 ± 14.6 16.6 ± 2.2 32.8 ± 6.1 91.7 ± 12.2 -4.79 ± 1.21 -0.86 ± 0.22
MX2 115.5 ± 8.0 24.7 ± 3.4 47.8 ± 8.9 89.8 ± 12.3 4.74 ± 0.55 1.31 ± 0.21
MX3 -123.0 ± 14.1 10.4 ± 1.4 20.8 ± 3.9 92.6 ± 12.1 -12.03 ± 2.26 -1.35 ± 0.25
RH8 -30.7 ± 16.8 9.5 ± 1.3 19.1 ± 3.5 92.7 ± 12.1 -3.31 ± 1.96 -0.33 ± 0.20
RH9 -31.4 ± 16.7 9.9 ± 1.3 19.9 ± 3.7 92.6 ± 12.1 -3.24 ± 1.87 -0.34 ± 0.20
RH10 -31.4 ± 16.7 9.9 ± 1.3 19.9 ± 3.7 92.6 ± 12.1 -3.24 ± 1.87 -0.34 ± 0.20
Average -33.2 12.8 25.2 92.0 -68.0 -0.4
Median -31.4 10.4 20.8 92.6 -3.2 -0.3
Deviation 104.3 7.6 14.8 1.2 185.7 1.2

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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