CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20031491831
Observation time: 05/29/2003 149.77161 1831 [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 2003
Fractional day of year 149.771615
Arrival time of shock [seconds of day] 66667.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 249.074
Y GSE location of spacecraft [Re] -43.992
Z GSE location of spacecraft [Re] 11.810
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0249
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0212
Minimum chisq/dof for RH8,RH9,RH10 7.12, 14.53, 15.13
Event added to database
Sat Mar 12 23:40:00 2005
Event last processed
Mon Mar 30 23:57:09 2009
Method selected
RH08
Propagation delay to Earth [minutes]
28.906 ± 1.684

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -668.7 ± 6.4 -789.2 ± 3.9
Vy GSE [km/s] -8.5 ± 6.9 -17.0 ± 7.5
Vz GSE [km/s] 10.9 ± 8.5 47.0 ± 6.6
Wi [km/s] 32.7 ± 2.4 58.2 ± 5.9
We [km/s] 1034.8 ± 76.8 1841.9 ± 185.6
Ni [n/cc] 7.7 ± 1.2 16.0 ± 2.2
Bx GSE [nT] -5.3 ± 2.7 -7.5 ± 0.5
By GSE [nT] 0.5 ± 5.7 -0.9 ± 1.8
Bz GSE [nT] -13.1 ± 0.8 -34.7 ± 1.7
Plasma Beta
0.076 ± 0.079
0.090 ± 0.086
Sound Speed [km/s]
42.25 ± 3.14
75.19 ± 7.58
Alfven Speed [km/s]
121.67 ± 13.01
194.73 ± 10.24

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.861 ± 0.543 -0.509 ± 0.919 0.003 ± 0.003 0.16 ± 14.35 210.60 ± 61.16
VC -0.957 ± 0.022 -0.065 ± 0.073 0.284 ± 0.276 16.51 ± 4.29 183.88 ± 4.36
MX1 -0.991 ± 0.018 -0.098 ± 0.115 0.091 ± 0.090 5.20 ± 8.43 185.66 ± 6.66
MX2 -0.992 ± 0.015 -0.069 ± 0.073 0.105 ± 0.104 6.00 ± 8.05 183.97 ± 4.22
MX3 -0.992 ± 0.016 -0.048 ± 0.078 0.113 ± 0.112 6.46 ± 7.79 182.80 ± 4.53
RH08 -0.998 ± 0.001 -0.009 ± 0.014 0.061 ± 0.061 3.52 ± 0.66 180.50 ± 0.82
RH09 -0.999 ± 0.004 0.009 ± 0.068 0.050 ± 0.050 2.88 ± 4.06 179.50 ± 3.91
RH10 -0.999 ± 0.004 0.009 ± 0.068 0.050 ± 0.050 2.88 ± 4.06 179.50 ± 3.91
Average -0.974 -0.098 0.095 5.454 185.801
Median -0.992 -0.048 0.091 5.202 183.884
Deviation 0.048 0.171 0.084 4.907 10.273

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 73.3 ± 20.3 789.1 ± 50.5 2.03 ± 0.29
VC 85.3 ± 11.7 888.5 ± 52.6 2.03 ± 0.29
MX1 74.8 ± 12.5 905.8 ± 52.7 2.03 ± 0.29
MX2 75.5 ± 11.9 907.7 ± 52.5 2.03 ± 0.29
MX3 75.9 ± 11.5 908.5 ± 52.3 2.03 ± 0.29
RH08 73.0 ± 10.6 907.8 ± 51.6 2.03 ± 0.29
RH09 72.4 ± 10.2 906.6 ± 51.3 2.03 ± 0.29
RH10 72.4 ± 10.2 906.6 ± 51.3 2.03 ± 0.29
Average 75.3 890.1 2.03
Median 74.8 906.6 2.03
Deviation 4.3 41.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 209.2 ± 8.0 11.5 ± 0.7 35.1 ± 3.7 128.4 ± 11.9 18.22 ± 1.21 1.64 ± 0.19
VC 245.2 ± 6.9 3.2 ± 0.2 9.9 ± 1.1 128.9 ± 11.9 75.99 ± 5.78 1.92 ± 0.19
MX1 241.3 ± 6.8 10.5 ± 0.6 31.9 ± 3.4 128.5 ± 11.9 23.15 ± 1.67 1.89 ± 0.20
MX2 242.5 ± 6.7 10.0 ± 0.6 30.5 ± 3.3 128.5 ± 11.9 24.32 ± 1.77 1.90 ± 0.20
MX3 243.2 ± 6.6 9.7 ± 0.6 29.7 ± 3.2 128.5 ± 11.9 25.04 ± 1.83 1.91 ± 0.19
RH8 239.6 ± 6.5 11.7 ± 0.7 35.5 ± 3.8 128.4 ± 11.9 20.64 ± 1.50 1.88 ± 0.19
RH9 238.3 ± 6.4 12.1 ± 0.7 36.7 ± 3.9 128.3 ± 12.0 19.82 ± 1.45 1.87 ± 0.19
RH10 238.3 ± 6.4 12.1 ± 0.7 36.7 ± 3.9 128.3 ± 12.0 19.82 ± 1.45 1.87 ± 0.19
Average 237.2 10.1 30.7 128.5 28.4 1.9
Median 241.3 11.5 35.1 128.5 23.2 1.9
Deviation 11.6 2.9 8.9 0.2 19.4 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 101.0 ± 6.7 20.3 ± 1.8 56.1 ± 3.0 207.9 ± 10.6 5.01 ± 0.50 0.49 ± 0.04
VC 119.2 ± 5.3 5.7 ± 0.5 15.8 ± 0.8 208.8 ± 10.6 21.03 ± 1.99 0.57 ± 0.04
MX1 117.8 ± 4.8 18.4 ± 1.6 51.0 ± 2.7 208.0 ± 10.6 6.43 ± 0.59 0.57 ± 0.04
MX2 118.7 ± 4.6 17.6 ± 1.6 48.8 ± 2.6 208.1 ± 10.6 6.77 ± 0.62 0.57 ± 0.04
MX3 119.2 ± 4.6 17.2 ± 1.5 47.6 ± 2.5 208.1 ± 10.6 6.99 ± 0.64 0.57 ± 0.04
RH8 117.1 ± 4.1 20.5 ± 1.8 56.8 ± 3.0 207.8 ± 10.6 5.74 ± 0.53 0.56 ± 0.03
RH9 116.3 ± 4.0 21.3 ± 1.9 58.8 ± 3.1 207.8 ± 10.6 5.50 ± 0.50 0.56 ± 0.03
RH10 116.3 ± 4.0 21.3 ± 1.9 58.8 ± 3.1 207.8 ± 10.6 5.50 ± 0.50 0.56 ± 0.03
Average 115.7 17.8 49.2 208.0 7.9 0.6
Median 117.8 20.3 56.1 208.0 6.4 0.6
Deviation 6.0 5.1 14.2 0.3 5.4 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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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