CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20000422334
Observation time: 02/11/2000 42.98210 2334 [UT]

Wind spacecraft

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Asymptotic parameters
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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 2000
Fractional day of year 42.982101
Arrival time of shock [seconds of day] 84853.5 ± 21.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 131.905
Y GSE location of spacecraft [Re] -2.264
Z GSE location of spacecraft [Re] 9.090
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0303
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0233
Minimum chisq/dof for RH8,RH9,RH10 7.14, 31.20, 32.87
Event added to database
Mon Feb 14 11:09:11 2005
Event last processed
Mon Mar 30 19:13:24 2009
Method selected
RH08
Propagation delay to Earth [minutes]
17.910 ± 1.147

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -429.7 ± 2.7 -582.6 ± 6.4
Vy GSE [km/s] -17.7 ± 2.9 -106.8 ± 4.6
Vz GSE [km/s] -8.9 ± 2.2 33.9 ± 9.2
Wi [km/s] 36.3 ± 1.6 60.1 ± 2.1
We [km/s] 1148.0 ± 50.8 1899.3 ± 65.6
Ni [n/cc] 5.0 ± 0.4 16.1 ± 1.4
Bx GSE [nT] 2.4 ± 0.3 10.1 ± 1.0
By GSE [nT] -6.1 ± 0.2 -20.1 ± 1.2
Bz GSE [nT] -1.4 ± 0.6 -0.1 ± 2.3
Plasma Beta
0.302 ± 0.300
0.238 ± 0.239
Sound Speed [km/s]
46.87 ± 2.07
77.54 ± 2.68
Alfven Speed [km/s]
66.20 ± 1.89
123.23 ± 5.43

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.508 ± 0.471 -0.484 ± 0.465 -0.713 ± 0.557 -45.48 ± 41.97 223.61 ± 33.24
VC -0.840 ± 0.016 -0.489 ± 0.020 0.236 ± 0.231 13.65 ± 3.04 210.22 ± 1.33
MX1 -0.857 ± 0.027 -0.453 ± 0.047 0.245 ± 0.240 14.17 ± 2.71 207.82 ± 3.12
MX2 -0.858 ± 0.026 -0.455 ± 0.046 0.237 ± 0.233 13.74 ± 2.89 207.91 ± 3.04
MX3 -0.859 ± 0.026 -0.455 ± 0.046 0.235 ± 0.231 13.59 ± 3.02 207.94 ± 3.02
RH08 -0.865 ± 0.017 -0.452 ± 0.030 0.218 ± 0.214 12.58 ± 2.00 207.58 ± 2.00
RH09 -0.930 ± 0.025 -0.367 ± 0.063 0.028 ± 0.028 1.60 ± 4.06 201.56 ± 3.91
RH10 -0.928 ± 0.026 -0.367 ± 0.064 -0.061 ± 0.061 -3.52 ± 4.03 201.56 ± 3.95
Average -0.831 -0.440 0.053 2.541 208.526
Median -0.858 -0.453 0.235 13.590 207.913
Deviation 0.135 0.047 0.331 20.530 6.861

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 65.6 ± 4.2 364.1 ± 10.9 3.27 ± 0.50
VC 84.3 ± 2.2 631.1 ± 13.2 3.27 ± 0.50
MX1 86.6 ± 2.2 637.4 ± 13.3 3.27 ± 0.50
MX2 86.4 ± 2.2 638.1 ± 13.3 3.27 ± 0.50
MX3 86.4 ± 2.2 638.3 ± 13.2 3.27 ± 0.50
RH08 86.5 ± 2.2 641.4 ± 13.2 3.27 ± 0.50
RH09 89.9 ± 2.3 661.1 ± 12.3 3.27 ± 0.50
RH10 88.8 ± 2.4 655.4 ± 12.0 3.27 ± 0.50
Average 84.3 608.4 3.27
Median 86.5 638.3 3.27
Deviation 7.7 99.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 131.0 ± 2.6 16.1 ± 0.4 27.3 ± 0.8 79.5 ± 1.5 8.15 ± 0.27 1.65 ± 0.06
VC 263.6 ± 2.4 3.8 ± 0.1 6.6 ± 0.2 81.1 ± 1.5 68.84 ± 1.95 3.25 ± 0.08
MX1 263.1 ± 2.4 2.3 ± 0.1 3.9 ± 0.1 81.1 ± 1.5 116.95 ± 3.26 3.24 ± 0.08
MX2 263.3 ± 2.4 2.4 ± 0.1 4.1 ± 0.1 81.1 ± 1.5 111.01 ± 3.10 3.25 ± 0.08
MX3 263.3 ± 2.4 2.4 ± 0.1 4.2 ± 0.1 81.1 ± 1.5 109.12 ± 3.04 3.25 ± 0.08
RH8 263.6 ± 2.4 2.3 ± 0.1 4.1 ± 0.1 81.1 ± 1.5 112.75 ± 3.14 3.25 ± 0.08
RH9 255.3 ± 2.6 0.1 ± 0.0 0.1 ± 0.0 81.1 ± 1.5 3626.67 ± 96.92 3.15 ± 0.08
RH10 249.4 ± 2.7 0.8 ± 0.0 1.4 ± 0.0 81.1 ± 1.5 315.50 ± 8.42 3.07 ± 0.08
Average 244.1 3.8 6.5 80.9 558.6 3.0
Median 263.3 2.4 4.1 81.1 112.7 3.2
Deviation 46.0 5.1 8.7 0.6 1242.8 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 40.9 ± 9.9 27.6 ± 0.9 50.8 ± 2.2 143.0 ± 5.6 1.48 ± 0.38 0.29 ± 0.07
VC 81.6 ± 6.3 6.6 ± 0.2 12.3 ± 0.5 145.5 ± 5.6 12.42 ± 1.19 0.56 ± 0.06
MX1 81.2 ± 6.2 3.9 ± 0.1 7.3 ± 0.3 145.6 ± 5.6 21.04 ± 2.00 0.56 ± 0.05
MX2 81.3 ± 6.3 4.1 ± 0.1 7.7 ± 0.3 145.6 ± 5.6 20.00 ± 1.91 0.56 ± 0.05
MX3 81.4 ± 6.3 4.1 ± 0.1 7.8 ± 0.3 145.6 ± 5.6 19.67 ± 1.88 0.56 ± 0.05
RH8 81.7 ± 6.3 4.0 ± 0.1 7.5 ± 0.3 145.6 ± 5.6 20.38 ± 1.95 0.56 ± 0.06
RH9 79.3 ± 7.0 0.1 ± 0.0 0.2 ± 0.0 145.6 ± 5.6 656.43 ± 68.62 0.55 ± 0.06
RH10 77.4 ± 7.4 1.4 ± 0.0 2.6 ± 0.1 145.6 ± 5.6 57.10 ± 6.34 0.53 ± 0.06
Average 75.6 6.5 12.0 145.2 101.1 0.5
Median 81.3 4.1 7.7 145.6 20.4 0.6
Deviation 14.1 8.7 16.1 0.9 225.0 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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