CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20001081016
Observation time: 04/17/2000 108.42811 1016 [UT]

Wind spacecraft

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Shock front normals
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Wave speed and Mach numbers
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2000
Fractional day of year 108.428108
Arrival time of shock [seconds of day] 36988.5 ± 3.0
Shock type FR
Electron data availability 0
X GSE location of spacecraft [Re] 91.222
Y GSE location of spacecraft [Re] 0.548
Z GSE location of spacecraft [Re] -7.514
Upstream plasma points selected for analysis 0012
Upstream field points selected for analysis 0380
Downstream plasma points selected for analysis 0011
Downstream field points selected for analysis 0367
Minimum chisq/dof for RH8,RH9,RH10 9.07, 12.35, 13.66
Event added to database
Mon Feb 14 11:09:28 2005
Event last processed
Mon Mar 30 19:21:11 2009
Method selected
RH08
Propagation delay to Earth [minutes]
25.893 ± 2.496

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -435.4 ± 1.8 -492.7 ± 8.2
Vy GSE [km/s] 7.2 ± 6.3 -12.3 ± 1.8
Vz GSE [km/s] 1.5 ± 10.4 -9.2 ± 10.8
Wi [km/s] 49.5 ± 1.3 40.4 ± 1.3
We [km/s] 1563.9 ± 41.2 1278.1 ± 40.3
Ni [n/cc] 7.5 ± 0.3 4.1 ± 0.1
Bx GSE [nT] -3.3 ± 0.6 0.6 ± 0.9
By GSE [nT] 4.3 ± 1.6 4.6 ± 0.1
Bz GSE [nT] 4.9 ± 1.7 0.5 ± 1.4
Plasma Beta
0.681 ± 0.656
0.586 ± 0.584
Sound Speed [km/s]
63.84 ± 1.68
52.18 ± 1.65
Alfven Speed [km/s]
60.51 ± 3.87
52.88 ± 1.64

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.986 ± 0.211 0.147 ± 1.406 0.085 ± 0.084 4.85 ± 16.01 171.53 ± 81.76
VC -0.931 ± 0.052 -0.318 ± 0.099 -0.180 ± 0.178 -10.39 ± 13.39 198.88 ± 6.04
MX1 -0.579 ± 0.114 -0.621 ± 0.111 -0.527 ± 0.472 -31.83 ± 9.40 227.00 ± 8.98
MX2 -0.958 ± 0.283 0.236 ± 1.132 -0.164 ± 0.163 -9.46 ± 17.13 166.15 ± 67.74
MX3 -0.714 ± 0.150 -0.370 ± 0.184 -0.594 ± 0.512 -36.44 ± 13.04 207.40 ± 13.92
RH08 -0.953 ± 0.005 0.058 ± 0.009 -0.296 ± 0.287 -17.22 ± 1.00 176.49 ± 0.53
RH09 -0.848 ± 0.037 0.352 ± 0.065 -0.397 ± 0.374 -23.37 ± 4.03 157.44 ± 4.35
RH10 -0.864 ± 0.035 0.324 ± 0.066 -0.385 ± 0.365 -22.67 ± 4.03 159.44 ± 4.34
Average -0.854 -0.024 -0.307 -18.317 183.041
Median -0.864 0.147 -0.296 -17.223 176.490
Deviation 0.141 0.364 0.219 13.280 25.214

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 55.8 ± 4.8 367.9 ± 9.6 0.54 ± 0.03
VC 84.0 ± 5.8 329.9 ± 9.1 0.54 ± 0.03
MX1 63.9 ± 5.3 185.2 ± 12.1 0.54 ± 0.03
MX2 63.8 ± 4.7 357.3 ± 7.7 0.54 ± 0.03
MX3 73.6 ± 4.1 243.2 ± 12.3 0.54 ± 0.03
RH08 75.2 ± 4.3 348.7 ± 8.1 0.54 ± 0.03
RH09 71.7 ± 8.0 319.2 ± 10.6 0.54 ± 0.03
RH10 71.8 ± 7.5 324.4 ± 10.3 0.54 ± 0.03
Average 70.0 309.5 0.54
Median 71.8 329.9 0.54
Deviation 8.6 63.1 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -62.4 ± 1.1 25.7 ± 0.8 34.0 ± 2.2 84.2 ± 1.6 -2.43 ± 0.10 -0.74 ± 0.02
VC -72.7 ± 3.5 4.6 ± 0.1 6.4 ± 0.4 87.9 ± 1.8 -15.76 ± 0.66 -0.83 ± 0.03
MX1 -61.8 ± 5.9 19.8 ± 0.6 26.7 ± 1.7 85.8 ± 1.7 -3.12 ± 0.24 -0.72 ± 0.06
MX2 -61.1 ± 2.9 19.9 ± 0.6 26.7 ± 1.7 85.8 ± 1.7 -3.07 ± 0.12 -0.71 ± 0.03
MX3 -64.2 ± 6.3 12.5 ± 0.4 17.0 ± 1.1 87.2 ± 1.8 -5.15 ± 0.40 -0.74 ± 0.06
RH8 -66.3 ± 3.9 11.3 ± 0.3 15.4 ± 1.0 87.3 ± 1.8 -5.89 ± 0.25 -0.76 ± 0.04
RH9 -51.8 ± 5.5 13.9 ± 0.4 19.0 ± 1.2 86.9 ± 1.8 -3.72 ± 0.35 -0.60 ± 0.06
RH10 -53.5 ± 5.3 13.8 ± 0.4 18.9 ± 1.2 86.9 ± 1.8 -3.87 ± 0.33 -0.62 ± 0.06
Average -61.7 15.2 20.5 86.5 -5.4 -0.7
Median -61.8 13.9 19.0 86.9 -3.7 -0.7
Deviation 6.7 6.5 8.5 1.2 4.3 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -115.1 ± 8.9 21.8 ± 0.5 29.7 ± 0.9 71.0 ± 1.6 -5.28 ± 0.42 -1.62 ± 0.13
VC -134.2 ± 6.0 3.9 ± 0.1 5.6 ± 0.2 74.2 ± 1.6 -34.34 ± 1.65 -1.81 ± 0.09
MX1 -112.8 ± 3.1 16.8 ± 0.4 23.3 ± 0.7 72.4 ± 1.6 -6.73 ± 0.20 -1.56 ± 0.05
MX2 -113.1 ± 6.5 16.8 ± 0.4 23.4 ± 0.7 72.4 ± 1.6 -6.72 ± 0.40 -1.56 ± 0.09
MX3 -118.8 ± 3.5 10.6 ± 0.2 14.9 ± 0.5 73.6 ± 1.6 -11.25 ± 0.34 -1.62 ± 0.05
RH8 -123.0 ± 5.5 9.5 ± 0.2 13.5 ± 0.4 73.7 ± 1.6 -12.90 ± 0.60 -1.67 ± 0.08
RH9 -97.8 ± 4.4 11.8 ± 0.3 16.6 ± 0.5 73.4 ± 1.6 -8.28 ± 0.37 -1.33 ± 0.06
RH10 -100.8 ± 4.5 11.7 ± 0.3 16.5 ± 0.5 73.4 ± 1.6 -8.61 ± 0.38 -1.37 ± 0.06
Average -114.5 12.9 17.9 73.0 -11.8 -1.6
Median -113.1 11.8 16.6 73.4 -8.3 -1.6
Deviation 11.7 5.5 7.4 1.0 9.5 0.2

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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