CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20011011818
Observation time: 04/11/2001 101.76290 1818 [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 2001
Fractional day of year 101.762899
Arrival time of shock [seconds of day] 65914.5 ± 4.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 3.730
Y GSE location of spacecraft [Re] -262.516
Z GSE location of spacecraft [Re] -0.560
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0199
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0210
Minimum chisq/dof for RH8,RH9,RH10 13.40, 85.05, 92.67
Event added to database
Mon Feb 14 11:13:31 2005
Event last processed
Mon Mar 30 20:52:13 2009
Method selected
RH08
Propagation delay to Earth [minutes]
172.204 ± 940.910

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -607.9 ± 5.9 -742.4 ± 6.8
Vy GSE [km/s] 28.4 ± 4.2 -13.2 ± 5.3
Vz GSE [km/s] 106.7 ± 17.3 109.5 ± 4.7
Wi [km/s] 95.0 ± 5.8 134.7 ± 4.5
We [km/s] 3004.3 ± 183.4 4261.0 ± 142.2
Ni [n/cc] 14.0 ± 1.8 46.7 ± 1.2
Bx GSE [nT] 28.9 ± 0.5 -5.0 ± 6.1
By GSE [nT] 6.1 ± 1.1 -10.8 ± 3.4
Bz GSE [nT] -0.6 ± 4.7 3.4 ± 2.5
Plasma Beta
0.294 ± 0.299
10.687 ± 12.764
Sound Speed [km/s]
122.65 ± 7.49
173.96 ± 5.80
Alfven Speed [km/s]
175.36 ± 10.20
44.12 ± 10.27

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.458 ± 0.151 0.842 ± 0.106 -0.285 ± 0.277 -16.56 ± 16.02 118.53 ± 9.96
VC -0.955 ± 0.016 -0.297 ± 0.052 0.022 ± 0.022 1.27 ± 6.63 197.29 ± 3.12
MX1 -0.547 ± 0.493 0.837 ± 0.322 -0.015 ± 0.015 -0.84 ± 37.58 123.15 ± 33.74
MX2 -0.460 ± 0.151 0.831 ± 0.109 -0.313 ± 0.302 -18.24 ± 15.55 118.94 ± 9.98
MX3 -0.471 ± 0.160 0.789 ± 0.137 -0.394 ± 0.372 -23.21 ± 17.84 120.82 ± 10.67
RH08 -0.171 ± 0.035 0.122 ± 0.043 -0.978 ± 0.286 -77.86 ± 1.41 144.40 ± 13.76
RH09 -0.171 ± 0.065 0.122 ± 0.070 -0.978 ± 0.286 -77.86 ± 3.57 144.40 ± 20.06
RH10 -0.175 ± 0.065 0.116 ± 0.070 -0.978 ± 0.286 -77.86 ± 3.57 146.41 ± 20.06
Average -0.426 0.420 -0.490 -36.397 139.243
Median -0.458 0.789 -0.313 -18.242 144.401
Deviation 0.265 0.454 0.428 35.332 26.494

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 74.6 ± 1.8 310.2 ± 9.7 3.41 ± 0.47
VC 9.1 ± 4.3 774.3 ± 10.4 3.41 ± 0.47
MX1 69.0 ± 1.9 412.8 ± 10.7 3.41 ± 0.47
MX2 74.4 ± 2.0 309.0 ± 9.7 3.41 ± 0.47
MX3 73.3 ± 2.6 309.8 ± 9.6 3.41 ± 0.47
RH08 83.0 ± 8.8 24.0 ± 8.8 3.41 ± 0.47
RH09 83.0 ± 8.8 24.0 ± 8.8 3.41 ± 0.47
RH10 82.7 ± 8.8 27.5 ± 8.8 3.41 ± 0.47
Average 68.6 273.9 3.41
Median 74.6 309.8 3.41
Deviation 24.6 256.1 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 38.4 ± 5.8 26.9 ± 1.5 46.5 ± 2.7 212.3 ± 11.7 1.43 ± 0.20 0.18 ± 0.02
VC 200.1 ± 5.7 119.7 ± 7.2 173.1 ± 10.1 177.4 ± 10.2 1.68 ± 0.09 1.13 ± 0.05
MX1 58.2 ± 4.5 36.5 ± 2.1 62.8 ± 3.7 210.9 ± 11.6 1.60 ± 0.12 0.28 ± 0.02
MX2 39.4 ± 6.1 27.2 ± 1.5 47.1 ± 2.7 212.3 ± 11.7 1.45 ± 0.21 0.19 ± 0.03
MX3 43.1 ± 7.3 29.1 ± 1.6 50.3 ± 2.9 212.1 ± 11.7 1.48 ± 0.24 0.20 ± 0.03
RH8 20.9 ± 17.1 12.3 ± 0.7 21.5 ± 1.3 213.7 ± 11.8 1.69 ± 1.43 0.10 ± 0.08
RH9 20.9 ± 17.1 12.3 ± 0.7 21.5 ± 1.3 213.7 ± 11.8 1.69 ± 1.43 0.10 ± 0.08
RH10 22.0 ± 17.1 12.9 ± 0.7 22.4 ± 1.3 213.7 ± 11.8 1.71 ± 1.37 0.10 ± 0.08
Average 55.4 34.6 55.7 208.3 1.6 0.3
Median 39.4 27.2 47.1 212.3 1.7 0.2
Deviation 59.9 35.6 50.0 12.5 0.1 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 12.7 ± 7.4 11.3 ± 2.4 11.7 ± 2.7 179.4 ± 4.0 1.11 ± 0.48 0.07 ± 0.04
VC 59.3 ± 5.1 43.5 ± 10.1 43.6 ± 10.1 174.1 ± 5.7 1.41 ± 0.29 0.34 ± 0.04
MX1 19.5 ± 8.0 15.3 ± 3.3 15.8 ± 3.7 179.1 ± 4.1 1.27 ± 0.36 0.11 ± 0.05
MX2 13.1 ± 7.3 11.5 ± 2.5 11.9 ± 2.8 179.4 ± 4.0 1.13 ± 0.47 0.07 ± 0.04
MX3 13.7 ± 7.2 12.2 ± 2.6 12.7 ± 2.9 179.3 ± 4.0 1.12 ± 0.45 0.08 ± 0.04
RH8 5.7 ± 4.6 5.2 ± 1.1 5.4 ± 1.3 179.7 ± 3.9 1.19 ± 1.06 0.03 ± 0.02
RH9 5.7 ± 4.6 5.2 ± 1.1 5.4 ± 1.3 179.7 ± 3.9 1.19 ± 1.06 0.03 ± 0.02
RH10 6.1 ± 4.6 5.4 ± 1.2 5.6 ± 1.3 179.7 ± 3.9 1.21 ± 1.02 0.03 ± 0.02
Average 17.0 13.7 14.0 178.8 1.2 0.1
Median 13.1 11.5 11.9 179.4 1.2 0.1
Deviation 17.8 12.6 12.6 1.9 0.1 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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