CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20043121759
Observation time: 11/07/2004 312.74937 1759 [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 2004
Fractional day of year 312.749366
Arrival time of shock [seconds of day] 64745.2 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 198.977
Y GSE location of spacecraft [Re] 54.615
Z GSE location of spacecraft [Re] -9.202
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0260
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0260
Minimum chisq/dof for RH8,RH9,RH10 18.01, 23.49, 24.83
Event added to database
Sun Mar 13 01:33:36 2005
Event last processed
Tue Mar 31 00:09:14 2009
Method selected
RH08
Propagation delay to Earth [minutes]
28.580 ± 1.142

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -448.6 ± 7.9 -619.8 ± 15.1
Vy GSE [km/s] 32.1 ± 4.3 -18.3 ± 7.0
Vz GSE [km/s] 33.8 ± 8.6 15.4 ± 6.5
Wi [km/s] 94.9 ± 4.6 127.2 ± 7.0
We [km/s] 3000.6 ± 145.6 4022.6 ± 220.0
Ni [n/cc] 18.1 ± 0.8 41.0 ± 5.4
Bx GSE [nT] -8.5 ± 0.9 -4.7 ± 4.9
By GSE [nT] 6.7 ± 1.0 14.9 ± 2.0
Bz GSE [nT] 15.6 ± 1.2 40.8 ± 1.2
Plasma Beta
0.950 ± 0.998
0.726 ± 0.727
Sound Speed [km/s]
122.50 ± 5.94
164.22 ± 8.98
Alfven Speed [km/s]
97.71 ± 5.87
150.73 ± 9.87

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.982 ± 0.039 0.157 ± 0.220 0.104 ± 0.104 5.96 ± 8.92 170.94 ± 12.83
VC -0.953 ± 0.017 -0.284 ± 0.055 -0.104 ± 0.104 -5.97 ± 3.42 196.60 ± 3.30
MX1 -0.974 ± 0.029 -0.126 ± 0.100 0.187 ± 0.184 10.75 ± 8.00 187.34 ± 5.87
MX2 -0.965 ± 0.031 -0.173 ± 0.075 0.197 ± 0.195 11.39 ± 8.33 190.19 ± 4.46
MX3 -0.957 ± 0.033 -0.206 ± 0.067 0.205 ± 0.202 11.80 ± 8.54 192.16 ± 4.02
RH08 -0.978 ± 0.002 -0.164 ± 0.009 0.128 ± 0.128 7.38 ± 0.72 189.53 ± 0.54
RH09 -0.970 ± 0.017 -0.145 ± 0.070 0.196 ± 0.193 11.28 ± 3.96 188.52 ± 4.16
RH10 -0.965 ± 0.018 -0.145 ± 0.070 0.218 ± 0.214 12.58 ± 3.96 188.52 ± 4.17
Average -0.968 -0.136 0.141 8.146 187.975
Median -0.965 -0.145 0.196 11.276 189.526
Deviation 0.010 0.128 0.107 6.152 7.469

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 54.5 ± 3.6 736.0 ± 25.9 2.27 ± 0.34
VC 76.0 ± 3.4 736.8 ± 28.3 2.27 ± 0.34
MX1 56.9 ± 3.4 747.1 ± 27.6 2.27 ± 0.34
MX2 57.8 ± 3.4 742.4 ± 27.8 2.27 ± 0.34
MX3 58.4 ± 3.4 737.8 ± 27.8 2.27 ± 0.34
RH08 60.9 ± 3.4 751.2 ± 27.9 2.27 ± 0.34
RH09 57.1 ± 3.4 744.9 ± 27.7 2.27 ± 0.34
RH10 55.9 ± 3.4 741.3 ± 27.6 2.27 ± 0.34
Average 59.7 742.2 2.27
Median 57.8 742.4 2.27
Deviation 6.9 5.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 286.9 ± 9.1 46.4 ± 2.2 56.8 ± 3.4 149.7 ± 6.7 6.20 ± 0.47 1.92 ± 0.13
VC 321.8 ± 5.9 18.6 ± 0.9 23.6 ± 1.4 155.6 ± 6.9 17.36 ± 1.06 2.07 ± 0.12
MX1 307.6 ± 8.5 43.3 ± 2.1 53.3 ± 3.2 150.7 ± 6.7 7.12 ± 0.51 2.05 ± 0.13
MX2 308.4 ± 8.3 42.3 ± 2.0 52.1 ± 3.1 150.9 ± 6.7 7.32 ± 0.52 2.05 ± 0.13
MX3 308.2 ± 8.2 41.4 ± 2.0 51.2 ± 3.1 151.2 ± 6.7 7.46 ± 0.53 2.04 ± 0.13
RH8 313.4 ± 8.0 38.2 ± 1.8 47.5 ± 2.9 152.0 ± 6.8 8.22 ± 0.57 2.07 ± 0.13
RH9 307.8 ± 8.4 43.2 ± 2.1 53.1 ± 3.2 150.7 ± 6.7 7.15 ± 0.51 2.05 ± 0.13
RH10 305.6 ± 8.6 44.6 ± 2.1 54.7 ± 3.3 150.3 ± 6.7 6.87 ± 0.50 2.04 ± 0.13
Average 307.4 39.7 49.0 151.4 8.5 2.0
Median 308.2 43.2 53.1 150.9 7.3 2.0
Deviation 9.8 8.9 10.6 1.8 3.6 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 128.6 ± 15.5 67.5 ± 2.2 87.6 ± 5.7 212.7 ± 6.7 1.91 ± 0.23 0.61 ± 0.08
VC 142.5 ± 13.6 27.0 ± 0.9 36.5 ± 2.4 221.5 ± 6.9 5.29 ± 0.53 0.64 ± 0.07
MX1 138.0 ± 14.5 62.9 ± 2.1 82.2 ± 5.4 214.1 ± 6.7 2.19 ± 0.24 0.65 ± 0.07
MX2 138.2 ± 14.2 61.4 ± 2.0 80.4 ± 5.3 214.6 ± 6.7 2.25 ± 0.24 0.64 ± 0.07
MX3 137.8 ± 14.0 60.2 ± 2.0 79.0 ± 5.2 214.9 ± 6.7 2.29 ± 0.24 0.64 ± 0.07
RH8 140.1 ± 14.3 55.5 ± 1.8 73.2 ± 4.8 216.1 ± 6.8 2.52 ± 0.27 0.65 ± 0.07
RH9 138.1 ± 14.3 62.7 ± 2.1 82.0 ± 5.4 214.2 ± 6.7 2.20 ± 0.23 0.65 ± 0.07
RH10 137.1 ± 14.3 64.8 ± 2.2 84.4 ± 5.5 213.5 ± 6.7 2.12 ± 0.23 0.64 ± 0.07
Average 137.5 57.7 75.7 215.2 2.6 0.6
Median 138.1 62.7 82.0 214.6 2.3 0.6
Deviation 4.0 12.9 16.4 2.7 1.1 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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