CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20043141825
Observation time: 11/09/2004 314.76804 1825 [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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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2004
Fractional day of year 314.768042
Arrival time of shock [seconds of day] 66358.9 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 199.808
Y GSE location of spacecraft [Re] 60.870
Z GSE location of spacecraft [Re] -8.100
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0212
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0190
Minimum chisq/dof for RH8,RH9,RH10 8.87, 10.46, 10.85
Event added to database
Sun Mar 13 01:36:01 2005
Event last processed
Tue Mar 31 00:12:43 2009
Method selected
RH08
Propagation delay to Earth [minutes]
25.366 ± 0.665

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -635.9 ± 1.5 -778.5 ± 5.9
Vy GSE [km/s] -7.9 ± 2.8 -68.9 ± 6.6
Vz GSE [km/s] -33.4 ± 4.8 -58.3 ± 16.8
Wi [km/s] 66.1 ± 2.6 108.3 ± 4.2
We [km/s] 2091.4 ± 83.1 3423.7 ± 132.1
Ni [n/cc] 9.4 ± 0.3 30.7 ± 1.5
Bx GSE [nT] -6.6 ± 0.6 -1.3 ± 2.7
By GSE [nT] 1.6 ± 0.9 14.5 ± 5.3
Bz GSE [nT] -2.8 ± 0.9 -5.3 ± 5.9
Plasma Beta
1.562 ± 1.558
2.624 ± 2.199
Sound Speed [km/s]
85.38 ± 3.39
139.77 ± 5.39
Alfven Speed [km/s]
53.01 ± 1.64
68.11 ± 6.41

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.882 ± 0.067 0.255 ± 0.156 -0.396 ± 0.374 -23.31 ± 7.56 163.89 ± 10.08
VC -0.908 ± 0.021 -0.388 ± 0.035 -0.157 ± 0.156 -9.04 ± 5.73 203.14 ± 2.19
MX1 -0.875 ± 0.075 0.299 ± 0.176 -0.381 ± 0.361 -22.40 ± 7.21 161.14 ± 11.50
MX2 -0.927 ± 0.069 0.153 ± 0.232 -0.344 ± 0.329 -20.10 ± 9.79 170.62 ± 14.30
MX3 -0.942 ± 0.070 0.109 ± 0.306 -0.317 ± 0.306 -18.46 ± 10.91 173.41 ± 18.58
RH08 -0.981 ± 0.004 -0.147 ± 0.022 -0.128 ± 0.128 -7.38 ± 1.02 188.52 ± 1.29
RH09 -0.982 ± 0.013 -0.147 ± 0.070 -0.117 ± 0.117 -6.74 ± 4.01 188.52 ± 4.07
RH10 -0.985 ± 0.012 -0.130 ± 0.070 -0.117 ± 0.117 -6.74 ± 4.01 187.52 ± 4.07
Average -0.935 0.000 -0.245 -14.271 179.596
Median -0.927 0.109 -0.157 -9.036 187.521
Deviation 0.045 0.239 0.125 7.442 14.553

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 9.1 ± 5.0 748.4 ± 13.6 3.30 ± 0.21
VC 38.2 ± 9.0 812.9 ± 9.9 3.30 ± 0.21
MX1 10.0 ± 5.1 737.4 ± 13.4 3.30 ± 0.21
MX2 10.0 ± 5.0 789.0 ± 12.6 3.30 ± 0.21
MX3 11.4 ± 6.0 803.7 ± 12.1 3.30 ± 0.21
RH08 26.5 ± 10.2 845.7 ± 9.3 3.30 ± 0.21
RH09 26.8 ± 10.3 846.3 ± 9.1 3.30 ± 0.21
RH10 26.1 ± 10.4 846.7 ± 9.1 3.30 ± 0.21
Average 19.8 803.8 3.30
Median 26.1 812.9 3.30
Deviation 11.0 43.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 176.1 ± 1.9 51.9 ± 1.6 52.3 ± 1.6 86.0 ± 3.3 3.39 ± 0.12 2.05 ± 0.07
VC 227.2 ± 1.8 38.3 ± 1.0 41.7 ± 1.3 93.0 ± 3.1 5.94 ± 0.20 2.45 ± 0.09
MX1 170.7 ± 1.9 51.7 ± 1.6 52.2 ± 1.6 86.2 ± 3.3 3.30 ± 0.11 1.98 ± 0.07
MX2 189.6 ± 1.5 51.7 ± 1.6 52.2 ± 1.6 86.2 ± 3.3 3.67 ± 0.13 2.20 ± 0.08
MX3 194.8 ± 1.4 51.3 ± 1.5 52.0 ± 1.6 86.4 ± 3.3 3.80 ± 0.13 2.26 ± 0.08
RH8 216.6 ± 1.4 45.1 ± 1.2 47.5 ± 1.5 89.8 ± 3.2 4.81 ± 0.16 2.41 ± 0.09
RH9 216.7 ± 1.5 44.9 ± 1.2 47.3 ± 1.5 89.9 ± 3.2 4.83 ± 0.16 2.41 ± 0.09
RH10 215.7 ± 1.4 45.3 ± 1.3 47.6 ± 1.5 89.7 ± 3.2 4.76 ± 0.16 2.41 ± 0.09
Average 200.9 47.5 49.1 88.4 4.3 2.3
Median 215.7 51.3 52.0 89.7 4.8 2.4
Deviation 21.0 5.0 3.8 2.6 0.9 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 55.9 ± 10.1 67.0 ± 6.2 67.2 ± 6.3 140.3 ± 5.3 0.84 ± 0.18 0.40 ± 0.07
VC 70.0 ± 7.3 50.8 ± 4.2 53.5 ± 5.0 147.1 ± 3.9 1.38 ± 0.18 0.48 ± 0.05
MX1 54.6 ± 10.0 66.7 ± 6.2 67.1 ± 6.3 140.4 ± 5.2 0.83 ± 0.18 0.39 ± 0.07
MX2 58.2 ± 9.4 66.7 ± 6.2 67.1 ± 6.3 140.4 ± 5.2 0.88 ± 0.17 0.41 ± 0.07
MX3 59.1 ± 9.0 66.3 ± 6.1 66.8 ± 6.3 140.6 ± 5.2 0.90 ± 0.16 0.42 ± 0.06
RH8 64.5 ± 7.0 59.2 ± 5.2 61.0 ± 5.7 143.8 ± 4.5 1.10 ± 0.14 0.45 ± 0.05
RH9 64.7 ± 6.9 59.0 ± 5.1 60.8 ± 5.7 143.9 ± 4.5 1.10 ± 0.14 0.45 ± 0.05
RH10 64.4 ± 6.9 59.5 ± 5.2 61.2 ± 5.8 143.7 ± 4.5 1.09 ± 0.14 0.45 ± 0.05
Average 61.4 61.9 63.1 142.6 1.0 0.4
Median 64.4 66.3 66.8 143.7 1.1 0.4
Deviation 5.3 5.8 4.9 2.5 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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