CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20003571939
Observation time: 12/22/2000 357.81884 1939 [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 2000
Fractional day of year 357.818837
Arrival time of shock [seconds of day] 70747.5 ± 9.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 10.070
Y GSE location of spacecraft [Re] 234.576
Z GSE location of spacecraft [Re] -15.103
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0341
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0290
Minimum chisq/dof for RH8,RH9,RH10 3.38, 4.07, 4.30
Event added to database
Mon Feb 14 11:11:23 2005
Event last processed
Mon Mar 30 20:14:21 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-1.384 ± 2.047

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -284.8 ± 1.4 -301.4 ± 3.2
Vy GSE [km/s] 6.6 ± 0.7 10.2 ± 1.8
Vz GSE [km/s] 5.8 ± 1.9 -2.1 ± 4.4
Wi [km/s] 19.4 ± 0.2 21.6 ± 0.4
We [km/s] 613.7 ± 7.2 683.9 ± 12.8
Ni [n/cc] 17.6 ± 0.6 27.5 ± 0.8
Bx GSE [nT] -1.2 ± 0.4 -1.1 ± 1.0
By GSE [nT] -2.4 ± 0.2 -3.0 ± 0.3
Bz GSE [nT] -0.8 ± 0.4 1.0 ± 1.6
Plasma Beta
1.688 ± 1.665
1.883 ± 1.837
Sound Speed [km/s]
25.05 ± 0.30
27.92 ± 0.52
Alfven Speed [km/s]
15.01 ± 0.89
15.79 ± 0.51

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.889 ± 0.487 -0.455 ± 0.951 -0.043 ± 0.043 -2.48 ± 28.30 207.12 ± 61.26
VC -0.897 ± 0.074 0.210 ± 0.109 -0.388 ± 0.367 -22.83 ± 10.58 166.81 ± 6.88
MX1 -0.982 ± 0.160 0.142 ± 1.098 -0.122 ± 0.121 -7.01 ± 11.08 171.78 ± 64.03
MX2 -1.000 ± 0.007 0.005 ± 0.708 -0.022 ± 0.022 -1.25 ± 14.33 179.69 ± 40.59
MX3 -0.946 ± 0.131 0.324 ± 0.382 0.007 ± 0.007 0.42 ± 20.68 161.10 ± 23.12
RH08 -0.965 ± 0.010 0.076 ± 0.021 0.251 ± 0.246 14.56 ± 2.17 175.49 ± 1.23
RH09 -0.885 ± 0.027 0.149 ± 0.066 0.441 ± 0.410 26.19 ± 3.20 170.47 ± 4.26
RH10 -0.898 ± 0.030 0.135 ± 0.068 0.419 ± 0.393 24.77 ± 3.88 171.48 ± 4.36
Average -0.933 0.073 0.068 4.046 175.492
Median -0.898 0.142 0.007 0.424 171.784
Deviation 0.046 0.233 0.284 16.729 13.914

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 38.3 ± 7.9 285.5 ± 8.9 1.57 ± 0.08
VC 71.7 ± 8.9 306.9 ± 10.3 1.57 ± 0.08
MX1 70.3 ± 8.5 329.9 ± 8.5 1.57 ± 0.08
MX2 64.3 ± 8.2 331.1 ± 8.0 1.57 ± 0.08
MX3 82.4 ± 8.4 317.5 ± 6.6 1.57 ± 0.08
RH08 73.4 ± 7.6 314.3 ± 5.4 1.57 ± 0.08
RH09 82.0 ± 7.1 287.1 ± 3.9 1.57 ± 0.08
RH10 80.7 ± 7.2 291.5 ± 4.1 1.57 ± 0.08
Average 70.4 308.0 1.57
Median 73.4 314.3 1.57
Deviation 14.5 18.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 35.4 ± 1.1 10.9 ± 0.5 11.8 ± 0.7 27.1 ± 0.4 3.26 ± 0.10 1.31 ± 0.04
VC 52.1 ± 2.1 4.1 ± 0.2 4.7 ± 0.3 28.9 ± 0.5 12.80 ± 0.40 1.80 ± 0.06
MX1 49.8 ± 1.7 4.4 ± 0.2 5.1 ± 0.3 28.9 ± 0.5 11.35 ± 0.36 1.72 ± 0.05
MX2 46.5 ± 1.5 5.7 ± 0.3 6.5 ± 0.4 28.7 ± 0.4 8.16 ± 0.26 1.62 ± 0.05
MX3 45.8 ± 1.5 1.7 ± 0.1 2.0 ± 0.1 29.2 ± 0.5 26.97 ± 0.93 1.57 ± 0.05
RH8 37.5 ± 1.1 3.7 ± 0.2 4.3 ± 0.3 29.0 ± 0.5 10.13 ± 0.37 1.29 ± 0.04
RH9 31.5 ± 0.8 1.8 ± 0.1 2.1 ± 0.1 29.2 ± 0.5 17.64 ± 0.77 1.08 ± 0.03
RH10 32.4 ± 0.8 2.1 ± 0.1 2.4 ± 0.1 29.1 ± 0.5 15.51 ± 0.66 1.11 ± 0.03
Average 41.4 4.3 4.9 28.8 13.2 1.4
Median 45.8 4.1 4.7 29.0 12.8 1.6
Deviation 8.1 3.0 3.2 0.7 7.1 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 22.1 ± 3.7 11.6 ± 0.3 12.4 ± 0.4 29.9 ± 0.5 1.91 ± 0.31 0.74 ± 0.12
VC 33.5 ± 4.2 4.3 ± 0.1 5.0 ± 0.2 31.8 ± 0.4 7.69 ± 0.91 1.05 ± 0.12
MX1 32.1 ± 3.5 4.7 ± 0.1 5.3 ± 0.2 31.7 ± 0.4 6.85 ± 0.70 1.01 ± 0.10
MX2 29.8 ± 3.3 6.1 ± 0.1 6.9 ± 0.2 31.5 ± 0.4 4.89 ± 0.52 0.94 ± 0.09
MX3 29.1 ± 2.6 1.8 ± 0.0 2.1 ± 0.1 32.0 ± 0.4 16.02 ± 1.36 0.91 ± 0.07
RH8 23.3 ± 2.1 4.0 ± 0.1 4.5 ± 0.1 31.8 ± 0.4 5.88 ± 0.52 0.73 ± 0.06
RH9 19.8 ± 1.4 1.9 ± 0.0 2.2 ± 0.1 32.0 ± 0.4 10.40 ± 0.74 0.62 ± 0.04
RH10 20.4 ± 1.4 2.2 ± 0.1 2.6 ± 0.1 32.0 ± 0.4 9.13 ± 0.66 0.64 ± 0.04
Average 26.2 4.6 5.1 31.6 7.8 0.8
Median 29.1 4.3 5.0 31.8 7.7 0.9
Deviation 5.5 3.2 3.4 0.7 4.2 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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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