CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20013501212
Observation time: 12/16/2001 350.50852 1212 [UT]

Wind spacecraft

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Wave speed and Mach numbers
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2001
Fractional day of year 350.508524
Arrival time of shock [seconds of day] 43936.5 ± 6.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 42.550
Y GSE location of spacecraft [Re] 439.830
Z GSE location of spacecraft [Re] 18.420
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0248
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0288
Minimum chisq/dof for RH8,RH9,RH10 10.11, 12.26, 13.41
Event added to database
Mon Feb 14 11:17:01 2005
Event last processed
Mon Mar 30 22:19:59 2009
Method selected
RH08
Propagation delay to Earth [minutes]
148.456 ± 17.467

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -486.3 ± 4.6 -536.0 ± 5.9
Vy GSE [km/s] 27.3 ± 5.3 -3.8 ± 6.0
Vz GSE [km/s] -18.0 ± 13.7 -20.9 ± 9.2
Wi [km/s] 49.7 ± 2.0 40.3 ± 2.5
We [km/s] 1571.5 ± 63.3 1274.0 ± 79.8
Ni [n/cc] 6.2 ± 0.3 3.9 ± 0.3
Bx GSE [nT] -7.2 ± 0.7 -2.9 ± 0.7
By GSE [nT] 10.7 ± 0.8 6.8 ± 0.5
Bz GSE [nT] 3.0 ± 3.0 3.0 ± 1.0
Plasma Beta
0.176 ± 0.183
0.205 ± 0.197
Sound Speed [km/s]
64.15 ± 2.58
52.01 ± 3.26
Alfven Speed [km/s]
118.69 ± 1.87
89.62 ± 3.27

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.956 ± 0.336 -0.267 ± 1.158 -0.120 ± 0.120 -6.91 ± 44.97 195.59 ± 69.40
VC -0.847 ± 0.075 -0.529 ± 0.119 -0.048 ± 0.048 -2.74 ± 14.79 211.99 ± 8.02
MX1 -0.605 ± 0.129 -0.787 ± 0.100 -0.120 ± 0.120 -6.91 ± 11.71 232.48 ± 9.32
MX2 -0.666 ± 0.408 -0.736 ± 0.370 -0.123 ± 0.123 -7.09 ± 18.10 227.86 ± 31.73
MX3 -0.640 ± 0.118 -0.767 ± 0.098 -0.046 ± 0.046 -2.63 ± 8.45 230.19 ± 8.81
RH08 -0.699 ± 0.017 -0.715 ± 0.017 -0.006 ± 0.006 -0.32 ± 1.33 225.63 ± 1.37
RH09 -0.674 ± 0.051 -0.739 ± 0.046 -0.006 ± 0.006 -0.32 ± 4.05 227.63 ± 3.94
RH10 -0.699 ± 0.049 -0.715 ± 0.048 0.017 ± 0.017 0.96 ± 4.05 225.63 ± 3.91
Average -0.723 -0.657 -0.057 -3.245 222.125
Median -0.674 -0.715 -0.046 -2.627 227.632
Deviation 0.118 0.176 0.058 3.318 12.344

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 74.5 ± 3.3 365.7 ± 32.9 0.62 ± 0.07
VC 89.0 ± 3.1 299.2 ± 30.2 0.62 ± 0.07
MX1 70.7 ± 2.9 182.5 ± 27.2 0.62 ± 0.07
MX2 75.1 ± 2.8 211.7 ± 28.4 0.62 ± 0.07
MX3 73.8 ± 3.4 197.9 ± 26.9 0.62 ± 0.07
RH08 78.6 ± 3.6 225.5 ± 27.4 0.62 ± 0.07
RH09 76.7 ± 3.7 212.7 ± 27.0 0.62 ± 0.07
RH10 78.9 ± 3.8 224.2 ± 27.2 0.62 ± 0.07
Average 77.1 239.9 0.62
Median 76.7 224.2 0.62
Deviation 5.5 61.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -94.2 ± 5.0 15.2 ± 0.4 31.8 ± 0.5 134.1 ± 1.3 -6.20 ± 0.27 -0.70 ± 0.03
VC -99.2 ± 4.6 1.0 ± 0.0 2.2 ± 0.0 134.9 ± 1.3 -96.78 ± 4.28 -0.74 ± 0.03
MX1 -92.2 ± 4.3 18.8 ± 0.6 39.2 ± 0.6 133.6 ± 1.3 -4.90 ± 0.23 -0.69 ± 0.03
MX2 -94.2 ± 4.3 14.6 ± 0.4 30.6 ± 0.5 134.2 ± 1.3 -6.44 ± 0.29 -0.70 ± 0.03
MX3 -93.0 ± 4.7 15.9 ± 0.5 33.2 ± 0.5 134.0 ± 1.3 -5.85 ± 0.31 -0.69 ± 0.03
RH8 -95.2 ± 4.9 11.2 ± 0.3 23.5 ± 0.4 134.5 ± 1.3 -8.50 ± 0.45 -0.71 ± 0.03
RH9 -94.9 ± 4.9 13.1 ± 0.4 27.3 ± 0.4 134.3 ± 1.3 -7.28 ± 0.40 -0.71 ± 0.03
RH10 -96.0 ± 5.0 10.9 ± 0.3 22.9 ± 0.4 134.5 ± 1.3 -8.80 ± 0.49 -0.71 ± 0.03
Average -94.9 12.6 26.3 134.3 -18.1 -0.7
Median -94.2 14.6 30.6 134.3 -6.4 -0.7
Deviation 2.1 5.3 11.1 0.4 31.8 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -150.4 ± 6.2 12.1 ± 0.5 24.0 ± 0.9 103.0 ± 1.8 -12.43 ± 0.45 -1.46 ± 0.06
VC -158.0 ± 5.9 0.8 ± 0.0 1.6 ± 0.1 103.7 ± 1.8 -193.66 ± 5.89 -1.52 ± 0.06
MX1 -147.1 ± 5.7 15.0 ± 0.6 29.6 ± 1.1 102.6 ± 1.8 -9.82 ± 0.32 -1.43 ± 0.05
MX2 -150.6 ± 5.7 11.6 ± 0.4 23.1 ± 0.8 103.0 ± 1.8 -12.94 ± 0.41 -1.46 ± 0.05
MX3 -148.8 ± 5.8 12.7 ± 0.5 25.1 ± 0.9 102.9 ± 1.8 -11.77 ± 0.38 -1.45 ± 0.05
RH8 -152.2 ± 5.9 8.9 ± 0.3 17.7 ± 0.6 103.3 ± 1.8 -17.09 ± 0.54 -1.47 ± 0.05
RH9 -151.4 ± 5.9 10.4 ± 0.4 20.6 ± 0.8 103.2 ± 1.8 -14.58 ± 0.47 -1.47 ± 0.05
RH10 -153.0 ± 5.9 8.7 ± 0.3 17.3 ± 0.6 103.3 ± 1.8 -17.61 ± 0.56 -1.48 ± 0.05
Average -151.4 10.0 19.9 103.1 -36.2 -1.5
Median -150.6 11.6 23.1 103.2 -12.9 -1.5
Deviation 3.2 4.2 8.4 0.3 63.7 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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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