CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20002081900
Observation time: 07/26/2000 208.79182 1900 [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
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2000
Fractional day of year 208.791823
Arrival time of shock [seconds of day] 68413.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] -17.591
Y GSE location of spacecraft [Re] -53.307
Z GSE location of spacecraft [Re] -5.240
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0195
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0263
Minimum chisq/dof for RH8,RH9,RH10 3.31, 7.33, 7.50
Event added to database
Mon Feb 14 11:10:05 2005
Event last processed
Mon Mar 30 19:36:21 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-4.208 ± 0.261

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -359.5 ± 0.4 -389.7 ± 2.8
Vy GSE [km/s] 4.8 ± 0.5 7.7 ± 3.9
Vz GSE [km/s] -11.3 ± 1.1 -5.7 ± 2.9
Wi [km/s] 25.7 ± 0.5 29.5 ± 1.3
We [km/s] 813.7 ± 16.0 934.0 ± 42.0
Ni [n/cc] 13.7 ± 0.5 24.9 ± 1.5
Bx GSE [nT] -0.6 ± 0.3 -0.8 ± 0.8
By GSE [nT] 3.2 ± 0.2 4.6 ± 0.9
Bz GSE [nT] -4.8 ± 0.1 -8.0 ± 0.7
Plasma Beta
0.573 ± 0.579
0.534 ± 0.511
Sound Speed [km/s]
33.22 ± 0.66
38.13 ± 1.71
Alfven Speed [km/s]
34.04 ± 0.86
40.88 ± 3.25

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.999 ± 0.019 0.002 ± 0.999 -0.045 ± 0.045 -2.55 ± 23.77 179.89 ± 57.27
VC -0.979 ± 0.021 0.085 ± 0.114 0.184 ± 0.182 10.60 ± 5.89 175.01 ± 6.67
MX1 -0.986 ± 0.033 0.137 ± 0.197 0.096 ± 0.095 5.50 ± 11.52 172.08 ± 11.42
MX2 -0.988 ± 0.029 0.124 ± 0.171 0.096 ± 0.096 5.52 ± 11.85 172.84 ± 9.92
MX3 -0.990 ± 0.025 0.103 ± 0.134 0.097 ± 0.097 5.57 ± 12.36 174.04 ± 7.75
RH08 -0.999 ± 0.001 0.009 ± 0.018 0.050 ± 0.050 2.88 ± 0.99 179.50 ± 1.05
RH09 -0.985 ± 0.012 -0.165 ± 0.067 -0.039 ± 0.039 -2.24 ± 4.06 189.53 ± 3.91
RH10 -0.985 ± 0.012 -0.165 ± 0.067 -0.039 ± 0.039 -2.24 ± 4.06 189.53 ± 3.91
Average -0.989 0.016 0.050 2.879 179.053
Median -0.986 0.085 0.096 5.497 179.499
Deviation 0.007 0.122 0.084 4.820 7.059

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 81.7 ± 3.1 425.8 ± 5.8 1.78 ± 0.09
VC 89.9 ± 2.8 417.2 ± 5.6 1.78 ± 0.09
MX1 84.2 ± 2.8 421.3 ± 6.1 1.78 ± 0.09
MX2 84.6 ± 2.8 421.8 ± 6.0 1.78 ± 0.09
MX3 85.3 ± 2.9 422.3 ± 5.9 1.78 ± 0.09
RH08 86.0 ± 3.0 425.0 ± 5.6 1.78 ± 0.09
RH09 87.3 ± 3.3 418.3 ± 4.9 1.78 ± 0.09
RH10 87.3 ± 3.3 418.3 ± 4.9 1.78 ± 0.09
Average 85.8 421.2 1.78
Median 86.0 421.8 1.78
Deviation 2.5 3.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 66.1 ± 0.4 3.4 ± 0.0 4.9 ± 0.1 47.4 ± 0.6 19.23 ± 0.23 1.39 ± 0.02
VC 66.8 ± 0.5 0.0 ± 0.0 0.0 ± 0.0 47.6 ± 0.6 2539.69 ± 28.20 1.40 ± 0.02
MX1 67.3 ± 0.5 2.4 ± 0.0 3.4 ± 0.1 47.5 ± 0.6 27.99 ± 0.32 1.42 ± 0.02
MX2 67.2 ± 0.5 2.2 ± 0.0 3.2 ± 0.1 47.5 ± 0.6 30.17 ± 0.34 1.41 ± 0.02
MX3 67.0 ± 0.5 1.9 ± 0.0 2.8 ± 0.1 47.5 ± 0.6 34.47 ± 0.39 1.41 ± 0.02
RH8 66.5 ± 0.4 1.7 ± 0.0 2.4 ± 0.1 47.5 ± 0.6 40.28 ± 0.47 1.40 ± 0.02
RH9 64.3 ± 0.4 1.1 ± 0.0 1.6 ± 0.0 47.6 ± 0.6 58.49 ± 0.72 1.35 ± 0.02
RH10 64.3 ± 0.4 1.1 ± 0.0 1.6 ± 0.0 47.6 ± 0.6 58.49 ± 0.72 1.35 ± 0.02
Average 66.2 1.7 2.5 47.5 351.1 1.4
Median 66.8 1.9 2.8 47.5 40.3 1.4
Deviation 1.2 1.0 1.5 0.0 884.4 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 36.2 ± 2.8 4.0 ± 0.1 5.9 ± 0.5 55.8 ± 2.1 9.02 ± 0.69 0.65 ± 0.05
VC 36.0 ± 2.8 0.0 ± 0.0 0.0 ± 0.0 56.0 ± 2.1 1171.41 ± 87.56 0.64 ± 0.05
MX1 36.6 ± 3.1 2.8 ± 0.1 4.1 ± 0.3 55.9 ± 2.1 13.03 ± 1.06 0.65 ± 0.05
MX2 36.5 ± 3.1 2.6 ± 0.1 3.8 ± 0.3 55.9 ± 2.1 14.03 ± 1.13 0.65 ± 0.05
MX3 36.4 ± 3.0 2.3 ± 0.1 3.3 ± 0.3 55.9 ± 2.1 15.99 ± 1.27 0.65 ± 0.05
RH8 36.1 ± 2.8 1.9 ± 0.1 2.8 ± 0.2 55.9 ± 2.1 18.70 ± 1.38 0.65 ± 0.04
RH9 35.3 ± 2.3 1.3 ± 0.0 1.9 ± 0.2 56.0 ± 2.1 27.48 ± 1.76 0.63 ± 0.04
RH10 35.3 ± 2.3 1.3 ± 0.0 1.9 ± 0.2 56.0 ± 2.1 27.48 ± 1.76 0.63 ± 0.04
Average 36.1 2.0 3.0 55.9 162.1 0.6
Median 36.2 2.3 3.3 55.9 18.7 0.6
Deviation 0.5 1.2 1.8 0.0 407.9 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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