Interplanetary Shock Analysis Pages
Database: Wind Shock Analysis
Event ID: 20022730754
09/30/2002 273.32946 0754 [UT]
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MIT Space
Plasma Group Interplanetary Shock Analysis Pages Database: Wind Shock Analysis Event ID: 20022730754 09/30/2002 273.32946 0754 [UT] |
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General information Asymptotic parameters Shock front normals Key parameters 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 | 2002 |
| Fractional day of year | 273.329462 |
| Arrival time of shock [seconds of day] | 28465.5 ± 4.0 |
| Shock type | FF |
| Electron data availability | 0 | X GSE location of spacecraft [Re] | 90.234 |
| Y GSE location of spacecraft [Re] | 35.676 |
| Z GSE location of spacecraft [Re] | 5.300 |
| Upstream plasma points selected for analysis | 0006 |
| Upstream field points selected for analysis | 0189 |
| Downstream plasma points selected for analysis | 0006 |
| Downstream field points selected for analysis | 0205 |
| Minimum chisq/dof for RH8,RH9,RH10 | 18.27, 21.14, 22.44 |
| Event added to database |
Sat Mar 12 23:26:20 2005 |
| Event last processed |
Sun Mar 13 11:45:01 2005 |
| Method selected |
RH08 |
| Propagation delay to Earth [minutes] |
22.962 ± 3.086 |
Asymptotic plasma parameters (About, Top)
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| Vx GSE [km/s] | -290.6 ± 1.3 | -335.0 ± 2.1 |
| Vy GSE [km/s] | -41.8 ± 1.7 | -37.4 ± 2.5 |
| Vz GSE [km/s] | 6.3 ± 2.0 | -14.8 ± 4.4 |
| Wi [km/s] | 27.0 ± 0.5 | 34.7 ± 0.8 |
| We [km/s] | 854.7 ± 14.6 | 1097.8 ± 25.2 |
| Ni [n/cc] | 19.3 ± 0.9 | 41.3 ± 2.3 |
| Bx GSE [nT] | -5.9 ± 0.2 | -1.2 ± 1.4 |
| By GSE [nT] | 9.0 ± 0.6 | 20.7 ± 0.3 |
| Bz GSE [nT] | 9.4 ± 0.8 | 6.5 ± 2.6 |
| Plasma Beta |
0.144 ± 0.145 |
0.221 ± 0.224 |
| Sound Speed [km/s] |
34.89 ± 0.60 |
44.82 ± 1.03 |
| Alfven Speed [km/s] |
71.30 ± 1.40 |
74.32 ± 4.54 |
Best values of shock front normal for each method (About, Top)
| Method | Nx | Ny | Nz | Theta [degrees] | Phi [degrees] |
| MC | -0.555 ± 0.110 | 0.402 ± 0.148 | 0.728 ± 0.559 | 46.75 ± 2.77 | 144.11 ± 15.10 |
| VC | -0.901 ± 0.040 | 0.087 ± 0.053 | -0.426 ± 0.398 | -25.22 ± 5.39 | 174.49 ± 3.35 |
| MX1 | -0.903 ± 0.094 | 0.429 ± 0.196 | 0.034 ± 0.034 | 1.97 ± 20.10 | 154.57 ± 12.47 |
| MX2 | -0.893 ± 0.037 | 0.273 ± 0.071 | -0.358 ± 0.342 | -20.99 ± 4.95 | 162.97 ± 4.50 |
| MX3 | -0.856 ± 0.035 | 0.234 ± 0.069 | -0.462 ± 0.426 | -27.51 ± 3.82 | 164.71 ± 4.60 |
| RH08 | -0.847 ± 0.009 | 0.188 ± 0.008 | -0.497 ± 0.451 | -29.82 ± 1.04 | 167.47 ± 0.52 |
| RH09 | -0.853 ± 0.037 | 0.190 ± 0.041 | -0.486 ± 0.444 | -29.08 ± 4.36 | 167.47 ± 2.70 |
| RH10 | -0.847 ± 0.038 | 0.188 ± 0.049 | -0.497 ± 0.451 | -29.82 ± 4.29 | 167.47 ± 3.25 |
| Average | -0.832 | 0.249 | -0.245 | -14.214 | 162.907 |
| Median | -0.853 | 0.234 | -0.426 | -25.217 | 167.465 |
| Deviation | 0.114 | 0.116 | 0.432 | 26.808 | 9.430 |
Key shock parameters (About, Top)
| Method | ThetaBn | Shock Speed | Compression |
| MC | 16.2 ± 2.6 | 169.1 ± 7.4 | 2.14 ± 0.07 |
| VC | 81.7 ± 1.5 | 349.6 ± 6.3 | 2.14 ± 0.07 |
| MX1 | 48.5 ± 1.7 | 322.7 ± 4.8 | 2.14 ± 0.07 |
| MX2 | 72.4 ± 1.9 | 339.0 ± 6.0 | 2.14 ± 0.07 |
| MX3 | 78.8 ± 2.0 | 329.6 ± 6.5 | 2.14 ± 0.07 |
| RH08 | 82.0 ± 1.9 | 328.5 ± 6.7 | 2.14 ± 0.07 |
| RH09 | 81.4 ± 1.9 | 330.5 ± 6.7 | 2.14 ± 0.07 |
| RH10 | 82.0 ± 1.9 | 328.5 ± 6.7 | 2.14 ± 0.07 |
| Average | 67.9 | 312.2 | 2.14 |
| Median | 81.4 | 329.6 | 2.14 |
| Deviation | 23.8 | 58.4 | 0.00 |
Upstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | 20.0 ± 1.1 | 33.1 ± 0.6 | 68.5 ± 1.3 | 72.1 ± 1.4 | 0.60 ± 0.04 | 0.28 ± 0.02 |
| VC | 94.1 ± 1.6 | 4.5 ± 0.1 | 10.3 ± 0.2 | 79.3 ± 1.4 | 20.86 ± 0.58 | 1.19 ± 0.03 |
| MX1 | 78.1 ± 1.5 | 21.6 ± 0.4 | 47.3 ± 0.9 | 76.4 ± 1.4 | 3.62 ± 0.10 | 1.02 ± 0.03 |
| MX2 | 93.2 ± 1.7 | 9.6 ± 0.2 | 21.6 ± 0.4 | 78.8 ± 1.4 | 9.76 ± 0.28 | 1.18 ± 0.04 |
| MX3 | 93.6 ± 1.8 | 6.1 ± 0.1 | 13.8 ± 0.3 | 79.1 ± 1.4 | 15.35 ± 0.44 | 1.18 ± 0.04 |
| RH8 | 93.4 ± 1.8 | 4.4 ± 0.1 | 9.9 ± 0.2 | 79.3 ± 1.4 | 21.45 ± 0.62 | 1.18 ± 0.04 |
| RH9 | 93.6 ± 1.8 | 4.7 ± 0.1 | 10.7 ± 0.2 | 79.2 ± 1.4 | 19.94 ± 0.57 | 1.18 ± 0.04 |
| RH10 | 93.4 ± 1.8 | 4.4 ± 0.1 | 9.9 ± 0.2 | 79.3 ± 1.4 | 21.45 ± 0.62 | 1.18 ± 0.04 |
| Average | 82.4 | 11.0 | 24.0 | 77.9 | 14.1 | 1.0 |
| Median | 93.4 | 6.1 | 13.8 | 79.2 | 19.9 | 1.2 |
| Deviation | 25.8 | 10.7 | 22.0 | 2.5 | 8.5 | 0.3 |
Downstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | 8.9 ± 4.6 | 42.1 ± 0.8 | 71.4 ± 4.4 | 75.9 ± 4.3 | 0.21 ± 0.11 | 0.12 ± 0.06 |
| VC | 44.8 ± 1.5 | 5.5 ± 0.1 | 10.7 ± 0.7 | 86.7 ± 3.6 | 8.12 ± 0.26 | 0.52 ± 0.03 |
| MX1 | 36.9 ± 2.9 | 26.7 ± 0.4 | 49.3 ± 3.0 | 82.6 ± 3.7 | 1.38 ± 0.10 | 0.45 ± 0.03 |
| MX2 | 44.9 ± 1.8 | 11.7 ± 0.2 | 22.5 ± 1.4 | 86.0 ± 3.6 | 3.83 ± 0.14 | 0.52 ± 0.03 |
| MX3 | 44.9 ± 1.8 | 7.5 ± 0.1 | 14.4 ± 0.9 | 86.5 ± 3.6 | 6.01 ± 0.23 | 0.52 ± 0.03 |
| RH8 | 44.5 ± 1.7 | 5.3 ± 0.1 | 10.3 ± 0.6 | 86.7 ± 3.6 | 8.36 ± 0.33 | 0.51 ± 0.04 |
| RH9 | 44.7 ± 1.7 | 5.7 ± 0.1 | 11.1 ± 0.7 | 86.6 ± 3.6 | 7.78 ± 0.30 | 0.52 ± 0.03 |
| RH10 | 44.5 ± 1.7 | 5.3 ± 0.1 | 10.3 ± 0.6 | 86.7 ± 3.6 | 8.36 ± 0.33 | 0.51 ± 0.04 |
| Average | 39.3 | 13.7 | 25.0 | 84.7 | 5.5 | 0.5 |
| Median | 44.7 | 7.5 | 14.4 | 86.6 | 7.8 | 0.5 |
| Deviation | 12.6 | 13.6 | 23.0 | 3.8 | 3.3 | 0.1 |
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Key plasma parameters
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Velocity
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Magnetic Field
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