CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20013572332
Observation time: 12/23/2001 357.98085 2332 [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 357.980851
Arrival time of shock [seconds of day] 84745.5 ± 90.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 42.550
Y GSE location of spacecraft [Re] 448.807
Z GSE location of spacecraft [Re] 18.420
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0248
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0214
Minimum chisq/dof for RH8,RH9,RH10 5.96, 21.18, 28.44
Event added to database
Mon Feb 14 11:17:08 2005
Event last processed
Mon Mar 30 22:23:27 2009
Method selected
RH08
Propagation delay to Earth [minutes]
64.201 ± 13.251

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -320.0 ± 1.1 -346.4 ± 1.6
Vy GSE [km/s] -37.7 ± 0.9 -53.8 ± 1.9
Vz GSE [km/s] 21.2 ± 0.8 40.6 ± 1.5
Wi [km/s] 19.3 ± 0.3 26.1 ± 0.6
We [km/s] 609.7 ± 10.4 826.2 ± 18.1
Ni [n/cc] 16.4 ± 0.2 36.9 ± 2.0
Bx GSE [nT] 0.4 ± 0.2 -1.0 ± 0.5
By GSE [nT] 1.5 ± 0.2 3.0 ± 0.7
Bz GSE [nT] -0.8 ± 0.4 -1.0 ± 0.8
Plasma Beta
4.053 ± 3.734
4.548 ± 4.089
Sound Speed [km/s]
24.89 ± 0.43
33.73 ± 0.74
Alfven Speed [km/s]
9.73 ± 0.96
12.55 ± 1.56

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.580 ± 0.221 -0.663 ± 0.207 0.473 ± 0.434 28.25 ± 18.38 228.82 ± 17.06
VC -0.724 ± 0.033 -0.441 ± 0.043 0.531 ± 0.474 32.04 ± 2.82 211.34 ± 3.22
MX1 -0.648 ± 0.192 -0.582 ± 0.210 0.491 ± 0.447 29.40 ± 9.94 221.93 ± 17.83
MX2 -0.652 ± 0.133 -0.522 ± 0.161 0.550 ± 0.486 33.34 ± 5.73 218.70 ± 13.80
MX3 -0.654 ± 0.129 -0.507 ± 0.155 0.561 ± 0.493 34.15 ± 7.59 217.79 ± 12.97
RH08 -0.737 ± 0.010 -0.418 ± 0.014 0.531 ± 0.474 32.05 ± 0.90 209.58 ± 1.01
RH09 -0.141 ± 0.046 -0.047 ± 0.064 0.989 ± 0.212 81.43 ± 2.50 198.55 ± 25.49
RH10 -0.210 ± 0.061 0.002 ± 0.074 0.978 ± 0.286 77.86 ± 3.57 179.50 ± 20.06
Average -0.543 -0.397 0.638 43.565 210.776
Median -0.648 -0.441 0.550 33.335 217.788
Deviation 0.233 0.244 0.215 22.373 15.545

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 25.9 ± 4.6 284.8 ± 2.5 2.24 ± 0.10
VC 39.6 ± 4.1 325.6 ± 2.0 2.24 ± 0.10
MX1 31.2 ± 4.5 305.3 ± 2.4 2.24 ± 0.10
MX2 33.9 ± 3.8 305.8 ± 2.2 2.24 ± 0.10
MX3 34.7 ± 3.8 306.2 ± 2.2 2.24 ± 0.10
RH08 40.9 ± 4.1 328.9 ± 2.0 2.24 ± 0.10
RH09 60.0 ± 11.7 110.4 ± 2.2 2.24 ± 0.10
RH10 62.1 ± 11.0 131.9 ± 2.1 2.24 ± 0.10
Average 41.0 262.4 2.24
Median 39.6 305.8 2.24
Deviation 13.2 88.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 64.2 ± 1.4 8.6 ± 0.8 8.8 ± 0.9 25.3 ± 0.4 7.51 ± 0.62 2.54 ± 0.08
VC 66.1 ± 1.4 7.3 ± 0.7 7.5 ± 0.7 25.7 ± 0.3 9.17 ± 0.73 2.57 ± 0.07
MX1 65.5 ± 1.4 8.1 ± 0.8 8.3 ± 0.8 25.5 ± 0.3 8.11 ± 0.66 2.57 ± 0.08
MX2 65.8 ± 1.4 7.9 ± 0.7 8.1 ± 0.8 25.6 ± 0.3 8.42 ± 0.68 2.58 ± 0.08
MX3 65.8 ± 1.4 7.8 ± 0.7 8.0 ± 0.8 25.6 ± 0.3 8.51 ± 0.69 2.57 ± 0.07
RH8 66.0 ± 1.4 7.1 ± 0.6 7.3 ± 0.7 25.8 ± 0.3 9.36 ± 0.74 2.56 ± 0.07
RH9 42.4 ± 0.9 4.6 ± 0.4 4.9 ± 0.5 26.3 ± 0.3 9.31 ± 0.75 1.61 ± 0.04
RH10 44.0 ± 0.9 4.3 ± 0.4 4.6 ± 0.4 26.4 ± 0.2 10.31 ± 0.83 1.67 ± 0.04
Average 60.0 7.0 7.2 25.8 8.8 2.3
Median 65.8 7.8 8.0 25.7 9.2 2.6
Deviation 10.4 1.6 1.6 0.4 0.9 0.4

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 29.1 ± 1.6 11.1 ± 1.3 11.3 ± 1.4 34.2 ± 0.7 2.65 ± 0.38 0.85 ± 0.05
VC 29.6 ± 1.4 9.4 ± 1.1 9.7 ± 1.2 34.8 ± 0.6 3.20 ± 0.46 0.85 ± 0.05
MX1 29.6 ± 1.5 10.5 ± 1.2 10.7 ± 1.3 34.4 ± 0.6 2.85 ± 0.41 0.86 ± 0.05
MX2 29.6 ± 1.4 10.2 ± 1.2 10.4 ± 1.3 34.5 ± 0.6 2.95 ± 0.42 0.86 ± 0.05
MX3 29.6 ± 1.4 10.1 ± 1.2 10.3 ± 1.3 34.6 ± 0.6 2.97 ± 0.42 0.86 ± 0.05
RH8 29.5 ± 1.4 9.2 ± 1.1 9.5 ± 1.2 34.8 ± 0.6 3.26 ± 0.47 0.85 ± 0.05
RH9 18.8 ± 1.4 5.9 ± 0.7 6.3 ± 0.8 35.5 ± 0.6 3.18 ± 0.29 0.53 ± 0.04
RH10 19.6 ± 1.3 5.6 ± 0.6 5.9 ± 0.7 35.6 ± 0.6 3.54 ± 0.33 0.55 ± 0.04
Average 26.9 9.0 9.3 34.8 3.1 0.8
Median 29.6 10.1 10.3 34.8 3.2 0.9
Deviation 4.8 2.1 2.1 0.5 0.3 0.1

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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