CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20012980859
Observation time: 10/25/2001 298.37464 0859 [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 298.374635
Arrival time of shock [seconds of day] 32368.5 ± 110.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] -10.945
Y GSE location of spacecraft [Re] -35.755
Z GSE location of spacecraft [Re] 1.389
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0307
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0198
Minimum chisq/dof for RH8,RH9,RH10 19.11, 23.09, 27.48
Event added to database
Mon Feb 14 11:16:06 2005
Event last processed
Mon Mar 30 21:55:54 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-5.813 ± 1.228

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -357.1 ± 4.8 -431.3 ± 3.5
Vy GSE [km/s] -34.0 ± 6.5 -56.3 ± 6.2
Vz GSE [km/s] -6.4 ± 4.8 43.3 ± 3.5
Wi [km/s] 10.2 ± 1.5 43.1 ± 2.4
We [km/s] 322.8 ± 46.4 1361.5 ± 77.0
Ni [n/cc] 4.3 ± 0.9 17.3 ± 1.7
Bx GSE [nT] 2.3 ± 0.2 6.7 ± 0.5
By GSE [nT] -0.6 ± 0.2 -3.1 ± 0.9
Bz GSE [nT] 0.4 ± 0.3 3.3 ± 0.9
Plasma Beta
0.168 ± 0.151
1.043 ± 0.982
Sound Speed [km/s]
13.18 ± 1.90
55.58 ± 3.14
Alfven Speed [km/s]
25.83 ± 2.32
42.84 ± 4.03

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.766 ± 0.224 -0.278 ± 0.402 0.580 ± 0.504 35.43 ± 18.02 199.98 ± 29.74
VC -0.808 ± 0.032 -0.240 ± 0.080 0.538 ± 0.479 32.53 ± 2.37 196.51 ± 5.65
MX1 -0.647 ± 0.080 -0.358 ± 0.086 0.673 ± 0.546 42.31 ± 6.55 208.97 ± 6.86
MX2 -0.650 ± 0.077 -0.353 ± 0.086 0.673 ± 0.546 42.30 ± 6.15 208.49 ± 6.95
MX3 -0.651 ± 0.077 -0.351 ± 0.088 0.673 ± 0.546 42.26 ± 6.10 208.34 ± 7.14
RH08 -0.671 ± 0.021 -0.350 ± 0.022 0.654 ± 0.539 40.82 ± 1.77 207.58 ± 1.74
RH09 -0.484 ± 0.051 0.126 ± 0.071 0.866 ± 0.524 59.99 ± 3.25 165.46 ± 8.31
RH10 -0.686 ± 0.051 -0.473 ± 0.061 0.553 ± 0.488 33.58 ± 3.97 214.60 ± 4.81
Average -0.670 -0.285 0.651 41.152 201.239
Median -0.651 -0.350 0.673 42.262 208.336
Deviation 0.096 0.179 0.104 8.645 15.517

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 55.3 ± 8.8 400.8 ± 11.8 4.27 ± 0.87
VC 51.2 ± 8.9 414.9 ± 11.8 4.27 ± 0.87
MX1 65.1 ± 8.8 357.6 ± 11.8 4.27 ± 0.87
MX2 64.8 ± 8.8 358.7 ± 11.8 4.27 ± 0.87
MX3 64.7 ± 8.8 359.2 ± 11.8 4.27 ± 0.87
RH08 63.3 ± 8.8 366.9 ± 11.8 4.27 ± 0.87
RH09 68.9 ± 7.9 264.7 ± 9.8 4.27 ± 0.87
RH10 63.4 ± 8.6 374.8 ± 11.9 4.27 ± 0.87
Average 62.1 362.2 4.27
Median 64.7 366.9 4.27
Deviation 5.8 44.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 121.6 ± 7.3 6.8 ± 0.7 14.7 ± 1.3 28.3 ± 1.6 18.08 ± 2.57 4.31 ± 0.35
VC 121.5 ± 7.1 7.5 ± 0.8 16.2 ± 1.5 28.1 ± 1.7 16.31 ± 2.31 4.34 ± 0.36
MX1 118.7 ± 7.7 5.0 ± 0.5 10.9 ± 1.0 28.7 ± 1.6 24.15 ± 3.49 4.15 ± 0.34
MX2 118.9 ± 7.7 5.0 ± 0.5 11.0 ± 1.0 28.7 ± 1.6 23.95 ± 3.45 4.16 ± 0.34
MX3 119.0 ± 7.6 5.0 ± 0.5 11.0 ± 1.0 28.6 ± 1.6 23.86 ± 3.44 4.16 ± 0.34
RH8 119.6 ± 7.6 5.3 ± 0.5 11.6 ± 1.0 28.6 ± 1.6 22.80 ± 3.28 4.19 ± 0.35
RH9 101.6 ± 5.3 4.2 ± 0.4 9.3 ± 0.8 28.8 ± 1.6 24.36 ± 3.18 3.54 ± 0.27
RH10 117.3 ± 8.0 5.3 ± 0.5 11.6 ± 1.0 28.6 ± 1.6 22.46 ± 3.32 4.11 ± 0.35
Average 117.3 5.5 12.0 28.5 22.0 4.1
Median 119.0 5.3 11.6 28.6 23.9 4.2
Deviation 6.5 1.1 2.3 0.2 3.1 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 29.8 ± 4.3 20.1 ± 1.1 24.4 ± 2.3 67.4 ± 2.5 1.49 ± 0.24 0.44 ± 0.06
VC 29.5 ± 4.2 22.3 ± 1.2 26.8 ± 2.5 66.7 ± 2.5 1.33 ± 0.21 0.44 ± 0.07
MX1 29.2 ± 4.5 14.6 ± 0.8 18.1 ± 1.7 68.8 ± 2.6 2.02 ± 0.34 0.43 ± 0.06
MX2 29.3 ± 4.4 14.7 ± 0.8 18.2 ± 1.7 68.7 ± 2.6 2.00 ± 0.34 0.43 ± 0.06
MX3 29.4 ± 4.4 14.8 ± 0.8 18.3 ± 1.7 68.7 ± 2.6 2.00 ± 0.34 0.43 ± 0.06
RH8 29.6 ± 4.4 15.6 ± 0.8 19.2 ± 1.8 68.5 ± 2.6 1.91 ± 0.32 0.43 ± 0.06
RH9 25.5 ± 4.2 12.3 ± 0.7 15.4 ± 1.4 69.2 ± 2.6 2.07 ± 0.33 0.37 ± 0.06
RH10 28.4 ± 4.6 15.5 ± 0.8 19.2 ± 1.8 68.6 ± 2.6 1.84 ± 0.34 0.41 ± 0.07
Average 28.8 16.2 20.0 68.3 1.8 0.4
Median 29.4 15.5 19.2 68.7 2.0 0.4
Deviation 1.4 3.3 3.7 0.9 0.3 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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