CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20013630517
Observation time: 12/29/2001 363.22016 0517 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
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 363.220156
Arrival time of shock [seconds of day] 19021.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 42.550
Y GSE location of spacecraft [Re] 455.101
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 0009
Downstream field points selected for analysis 0268
Minimum chisq/dof for RH8,RH9,RH10 5.51, 13.17, 13.53
Event added to database
Mon Feb 14 11:17:11 2005
Event last processed
Mon Mar 30 22:25:25 2009
Method selected
RH08
Propagation delay to Earth [minutes]
4.725 ± 0.304

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -376.2 ± 4.2 -482.5 ± 7.5
Vy GSE [km/s] 6.5 ± 5.1 7.6 ± 3.9
Vz GSE [km/s] 7.7 ± 4.3 22.8 ± 7.5
Wi [km/s] 17.4 ± 3.7 48.4 ± 8.3
We [km/s] 550.6 ± 118.4 1531.0 ± 263.6
Ni [n/cc] 8.6 ± 2.4 27.1 ± 2.8
Bx GSE [nT] 4.8 ± 0.4 3.8 ± 0.9
By GSE [nT] -1.6 ± 0.4 -4.3 ± 0.6
Bz GSE [nT] 6.2 ± 0.4 15.9 ± 1.5
Plasma Beta
0.086 ± 0.098
0.495 ± 0.410
Sound Speed [km/s]
22.48 ± 4.83
62.50 ± 10.76
Alfven Speed [km/s]
61.65 ± 10.62
71.11 ± 6.25

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.994 ± 0.012 -0.000 ± 0.123 -0.113 ± 0.113 -6.50 ± 5.85 180.01 ± 7.09
VC -0.990 ± 0.011 0.010 ± 0.059 0.141 ± 0.140 8.11 ± 4.43 179.43 ± 3.39
MX1 -0.994 ± 0.010 0.062 ± 0.060 -0.092 ± 0.092 -5.28 ± 5.88 176.45 ± 3.44
MX2 -0.994 ± 0.010 0.069 ± 0.060 -0.089 ± 0.089 -5.13 ± 5.88 176.04 ± 3.43
MX3 -0.993 ± 0.010 0.074 ± 0.061 -0.088 ± 0.087 -5.03 ± 5.88 175.75 ± 3.52
RH08 -0.998 ± 0.001 0.044 ± 0.000 -0.050 ± 0.050 -2.88 ± 0.64 177.49 ± 0.00
RH09 -0.996 ± 0.006 0.044 ± 0.069 -0.073 ± 0.072 -4.16 ± 4.03 177.49 ± 3.95
RH10 -0.996 ± 0.006 0.044 ± 0.069 -0.073 ± 0.072 -4.16 ± 4.03 177.49 ± 3.95
Average -0.994 0.043 -0.055 -3.131 177.521
Median -0.994 0.044 -0.073 -4.165 177.493
Deviation 0.002 0.027 0.081 4.661 1.528

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 47.0 ± 2.9 524.4 ± 27.1 3.59 ± 1.30
VC 61.1 ± 2.9 529.7 ± 27.5 3.59 ± 1.30
MX1 47.4 ± 2.9 525.7 ± 27.2 3.59 ± 1.30
MX2 47.4 ± 2.9 525.7 ± 27.2 3.59 ± 1.30
MX3 47.5 ± 2.9 525.7 ± 27.2 3.59 ± 1.30
RH08 49.9 ± 2.9 528.8 ± 27.3 3.59 ± 1.30
RH09 48.7 ± 2.9 527.4 ± 27.2 3.59 ± 1.30
RH10 48.7 ± 2.9 527.4 ± 27.2 3.59 ± 1.30
Average 49.7 526.9 3.59
Median 48.7 527.4 3.59
Deviation 4.7 1.8 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 151.5 ± 3.8 14.7 ± 3.0 42.0 ± 7.2 64.1 ± 10.6 10.64 ± 1.86 2.42 ± 0.36
VC 156.1 ± 4.6 10.3 ± 2.1 29.8 ± 5.1 64.9 ± 10.7 15.64 ± 2.68 2.46 ± 0.37
MX1 152.1 ± 4.0 14.6 ± 3.0 41.8 ± 7.2 64.1 ± 10.6 10.75 ± 1.89 2.43 ± 0.36
MX2 152.1 ± 4.0 14.6 ± 3.0 41.7 ± 7.2 64.1 ± 10.6 10.76 ± 1.89 2.43 ± 0.36
MX3 152.2 ± 4.0 14.6 ± 3.0 41.7 ± 7.2 64.1 ± 10.6 10.77 ± 1.90 2.43 ± 0.36
RH8 153.5 ± 4.1 13.8 ± 2.8 39.7 ± 6.8 64.3 ± 10.6 11.44 ± 2.00 2.44 ± 0.36
RH9 152.8 ± 4.0 14.2 ± 2.9 40.7 ± 7.0 64.2 ± 10.6 11.09 ± 1.94 2.43 ± 0.36
RH10 152.8 ± 4.0 14.2 ± 2.9 40.7 ± 7.0 64.2 ± 10.6 11.09 ± 1.94 2.43 ± 0.36
Average 152.9 13.9 39.8 64.2 11.5 2.4
Median 152.8 14.6 41.7 64.2 11.1 2.4
Deviation 1.4 1.5 4.1 0.3 1.7 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 47.7 ± 7.9 33.7 ± 2.9 48.5 ± 4.3 89.0 ± 6.7 1.43 ± 0.30 0.54 ± 0.10
VC 48.8 ± 7.1 23.1 ± 2.0 34.4 ± 3.0 92.3 ± 7.0 2.14 ± 0.41 0.53 ± 0.09
MX1 47.9 ± 7.8 33.5 ± 2.9 48.2 ± 4.2 89.1 ± 6.7 1.45 ± 0.30 0.54 ± 0.10
MX2 47.9 ± 7.8 33.4 ± 2.9 48.1 ± 4.2 89.1 ± 6.7 1.45 ± 0.30 0.54 ± 0.10
MX3 47.9 ± 7.8 33.4 ± 2.9 48.1 ± 4.2 89.1 ± 6.7 1.45 ± 0.30 0.54 ± 0.10
RH8 48.2 ± 7.7 31.6 ± 2.7 45.8 ± 4.0 89.8 ± 6.8 1.55 ± 0.32 0.54 ± 0.10
RH9 48.0 ± 7.8 32.5 ± 2.8 47.0 ± 4.1 89.4 ± 6.8 1.50 ± 0.31 0.54 ± 0.10
RH10 48.0 ± 7.8 32.5 ± 2.8 47.0 ± 4.1 89.4 ± 6.8 1.50 ± 0.31 0.54 ± 0.10
Average 48.0 31.7 45.9 89.6 1.6 0.5
Median 48.0 33.4 48.1 89.4 1.5 0.5
Deviation 0.3 3.6 4.7 1.1 0.2 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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