CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20012880801
Observation time: 10/15/2001 288.33429 0801 [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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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2001
Fractional day of year 288.334288
Arrival time of shock [seconds of day] 28882.5 ± 150.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 67.410
Y GSE location of spacecraft [Re] -57.808
Z GSE location of spacecraft [Re] 7.610
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0274
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0269
Minimum chisq/dof for RH8,RH9,RH10 3.33, 3.62, 3.75
Event added to database
Mon Feb 14 11:15:52 2005
Event last processed
Mon Mar 30 21:48:46 2009
Method selected
RH08
Propagation delay to Earth [minutes]
13.443 ± 1.783

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -429.7 ± 4.0 -456.0 ± 5.9
Vy GSE [km/s] -16.1 ± 5.6 7.7 ± 3.8
Vz GSE [km/s] 17.7 ± 4.5 -18.7 ± 4.7
Wi [km/s] 35.7 ± 2.2 46.3 ± 3.3
We [km/s] 1129.6 ± 68.0 1464.0 ± 105.6
Ni [n/cc] 3.0 ± 0.2 5.9 ± 1.0
Bx GSE [nT] 3.5 ± 0.2 2.6 ± 0.4
By GSE [nT] -3.3 ± 0.5 -1.7 ± 0.3
Bz GSE [nT] 4.7 ± 0.3 2.8 ± 0.2
Plasma Beta
0.180 ± 0.172
1.497 ± 1.535
Sound Speed [km/s]
46.12 ± 2.78
59.77 ± 4.31
Alfven Speed [km/s]
84.85 ± 3.57
38.65 ± 7.34

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.946 ± 0.179 -0.325 ± 0.520 -0.008 ± 0.008 -0.43 ± 23.97 198.99 ± 31.54
VC -0.518 ± 0.101 0.474 ± 0.107 -0.711 ± 0.556 -45.36 ± 4.63 137.54 ± 11.02
MX1 -0.981 ± 0.164 -0.182 ± 0.870 0.065 ± 0.065 3.73 ± 26.58 190.52 ± 50.80
MX2 -0.980 ± 0.142 -0.197 ± 0.705 0.011 ± 0.011 0.65 ± 22.39 191.35 ± 41.22
MX3 -0.975 ± 0.138 -0.214 ± 0.621 0.060 ± 0.060 3.43 ± 23.15 192.37 ± 36.51
RH08 -0.940 ± 0.008 -0.091 ± 0.027 0.330 ± 0.317 19.25 ± 1.38 185.52 ± 1.63
RH09 -0.933 ± 0.020 -0.074 ± 0.059 0.352 ± 0.337 20.61 ± 3.12 184.51 ± 3.64
RH10 -0.933 ± 0.021 -0.074 ± 0.061 0.352 ± 0.337 20.61 ± 3.29 184.51 ± 3.77
Average -0.901 -0.085 0.056 2.811 183.164
Median -0.940 -0.091 0.065 3.728 190.524
Deviation 0.156 0.242 0.347 21.514 19.076

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 70.1 ± 3.1 448.1 ± 8.1 1.96 ± 0.27
VC 4.7 ± 1.4 307.5 ± 21.6 1.96 ± 0.27
MX1 67.8 ± 2.7 465.5 ± 7.2 1.96 ± 0.27
MX2 66.0 ± 2.8 468.0 ± 7.7 1.96 ± 0.27
MX3 68.8 ± 2.7 462.1 ± 7.3 1.96 ± 0.27
RH08 77.5 ± 2.3 433.4 ± 6.1 1.96 ± 0.27
RH09 78.2 ± 2.3 429.4 ± 6.1 1.96 ± 0.27
RH10 78.2 ± 2.3 429.4 ± 6.1 1.96 ± 0.27
Average 63.9 430.4 1.96
Median 70.1 448.1 1.96
Deviation 24.4 52.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 36.7 ± 5.5 13.9 ± 0.5 28.8 ± 1.2 95.6 ± 2.1 2.65 ± 0.44 0.38 ± 0.06
VC 105.0 ± 3.1 45.9 ± 2.7 84.6 ± 3.6 85.0 ± 3.5 2.29 ± 0.14 1.24 ± 0.08
MX1 39.8 ± 4.6 15.5 ± 0.6 32.0 ± 1.3 95.4 ± 2.1 2.58 ± 0.34 0.42 ± 0.05
MX2 43.4 ± 4.9 16.7 ± 0.6 34.6 ± 1.5 95.2 ± 2.1 2.60 ± 0.34 0.46 ± 0.05
MX3 38.6 ± 4.7 14.8 ± 0.5 30.7 ± 1.3 95.5 ± 2.1 2.61 ± 0.36 0.40 ± 0.05
RH8 22.3 ± 3.0 8.8 ± 0.3 18.3 ± 0.8 96.2 ± 2.0 2.55 ± 0.38 0.23 ± 0.03
RH9 21.0 ± 2.8 8.3 ± 0.3 17.4 ± 0.7 96.3 ± 2.0 2.53 ± 0.37 0.22 ± 0.03
RH10 21.0 ± 2.8 8.3 ± 0.3 17.4 ± 0.7 96.3 ± 2.0 2.53 ± 0.37 0.22 ± 0.03
Average 41.0 16.5 33.0 94.4 2.5 0.4
Median 38.6 14.8 30.7 95.6 2.6 0.4
Deviation 27.5 12.4 22.0 3.8 0.1 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 19.3 ± 4.6 11.1 ± 1.7 13.1 ± 2.5 70.4 ± 7.4 1.73 ± 0.22 0.27 ± 0.04
VC 54.2 ± 8.0 38.4 ± 7.2 38.5 ± 7.3 59.9 ± 4.4 1.42 ± 0.10 0.90 ± 0.06
MX1 20.8 ± 4.9 12.4 ± 1.9 14.6 ± 2.8 70.2 ± 7.4 1.67 ± 0.21 0.29 ± 0.04
MX2 22.7 ± 5.1 13.4 ± 2.0 15.7 ± 3.0 70.0 ± 7.3 1.69 ± 0.19 0.32 ± 0.04
MX3 20.3 ± 4.8 11.9 ± 1.8 14.0 ± 2.7 70.3 ± 7.4 1.70 ± 0.22 0.29 ± 0.04
RH8 11.8 ± 3.9 7.0 ± 1.1 8.3 ± 1.6 70.9 ± 7.5 1.66 ± 0.37 0.16 ± 0.04
RH9 11.1 ± 3.9 6.7 ± 1.0 7.9 ± 1.5 71.0 ± 7.5 1.65 ± 0.38 0.15 ± 0.04
RH10 11.1 ± 3.9 6.7 ± 1.0 7.9 ± 1.5 71.0 ± 7.5 1.65 ± 0.38 0.15 ± 0.04
Average 21.4 13.4 15.0 69.2 1.6 0.3
Median 20.3 11.9 14.0 70.4 1.7 0.3
Deviation 14.1 10.5 10.0 3.8 0.1 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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