Interplanetary Shock Analysis Pages
Database: Wind Shock Analysis
Event ID: 20022461817
09/03/2002 246.76186 1817 [UT]
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MIT Space
Plasma Group Interplanetary Shock Analysis Pages Database: Wind Shock Analysis Event ID: 20022461817 09/03/2002 246.76186 1817 [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 | 246.761858 |
| Arrival time of shock [seconds of day] | 65824.5 ± 250.0 |
| Shock type | SF |
| Electron data availability | 0 | X GSE location of spacecraft [Re] | 62.192 |
| Y GSE location of spacecraft [Re] | 38.283 |
| Z GSE location of spacecraft [Re] | 4.340 |
| Upstream plasma points selected for analysis | 0007 |
| Upstream field points selected for analysis | 0217 |
| Downstream plasma points selected for analysis | 0007 |
| Downstream field points selected for analysis | 0225 |
| Minimum chisq/dof for RH8,RH9,RH10 | 5.68, 9.94, 10.25 |
| Event added to database |
Sat Mar 12 23:21:21 2005 |
| Event last processed |
Sun Mar 13 11:42:57 2005 |
| Method selected |
RH08 |
| Propagation delay to Earth [minutes] |
14.459 ± 0.770 |
Asymptotic plasma parameters (About, Top)
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| Vx GSE [km/s] | -334.2 ± 4.3 | -376.1 ± 2.7 |
| Vy GSE [km/s] | 23.1 ± 10.7 | 0.6 ± 6.3 |
| Vz GSE [km/s] | -36.1 ± 2.6 | 15.6 ± 3.3 |
| Wi [km/s] | 23.1 ± 1.1 | 40.5 ± 1.3 |
| We [km/s] | 729.8 ± 34.6 | 1281.7 ± 42.2 |
| Ni [n/cc] | 7.9 ± 1.0 | 33.3 ± 2.2 |
| Bx GSE [nT] | -8.6 ± 0.5 | -6.5 ± 1.6 |
| By GSE [nT] | 2.0 ± 0.8 | 3.6 ± 1.1 |
| Bz GSE [nT] | 16.1 ± 0.4 | 9.3 ± 1.0 |
| Plasma Beta |
0.026 ± 0.024 |
0.797 ± 0.819 |
| Sound Speed [km/s] |
29.79 ± 1.41 |
52.33 ± 1.72 |
| Alfven Speed [km/s] |
143.04 ± 8.78 |
45.60 ± 2.41 |
Best values of shock front normal for each method (About, Top)
| Method | Nx | Ny | Nz | Theta [degrees] | Phi [degrees] |
| MC | -0.740 ± 0.481 | 0.670 ± 0.531 | 0.057 ± 0.057 | 3.27 ± 14.03 | 137.83 ± 41.12 |
| VC | -0.611 ± 0.091 | -0.300 ± 0.137 | 0.733 ± 0.560 | 47.14 ± 5.47 | 206.16 ± 12.55 |
| MX1 | -0.531 ± 0.647 | -0.826 ± 0.418 | -0.192 ± 0.189 | -11.04 ± 15.74 | 237.25 ± 44.85 |
| MX2 | -0.983 ± 0.239 | 0.167 ± 1.400 | 0.073 ± 0.073 | 4.21 ± 16.15 | 170.35 ± 81.61 |
| MX3 | -0.940 ± 0.211 | -0.281 ± 0.687 | -0.196 ± 0.193 | -11.28 ± 14.70 | 196.64 ± 41.91 |
| RH08 | -0.937 ± 0.007 | 0.243 ± 0.024 | -0.251 ± 0.246 | -14.56 ± 0.86 | 165.46 ± 1.48 |
| RH09 | -0.917 ± 0.028 | 0.290 ± 0.068 | -0.274 ± 0.267 | -15.89 ± 4.00 | 162.45 ± 4.21 |
| RH10 | -0.917 ± 0.028 | 0.290 ± 0.068 | -0.274 ± 0.267 | -15.89 ± 4.01 | 162.45 ± 4.20 |
| Average | -0.822 | 0.032 | -0.040 | -1.755 | 179.824 |
| Median | -0.917 | 0.243 | -0.192 | -11.045 | 170.347 |
| Deviation | 0.172 | 0.470 | 0.342 | 21.354 | 31.482 |
Key shock parameters (About, Top)
| Method | ThetaBn | Shock Speed | Compression |
| MC | 62.0 ± 2.3 | 284.5 ± 4.4 | 4.29 ± 0.67 |
| VC | 26.4 ± 2.1 | 262.5 ± 2.5 | 4.29 ± 0.67 |
| MX1 | 89.5 ± 2.0 | 207.8 ± 9.0 | 4.29 ± 0.67 |
| MX2 | 57.1 ± 1.8 | 383.0 ± 2.7 | 4.29 ± 0.67 |
| MX3 | 76.2 ± 1.7 | 361.6 ± 6.0 | 4.29 ± 0.67 |
| RH08 | 75.8 ± 1.9 | 354.4 ± 3.1 | 4.29 ± 0.67 |
| RH09 | 77.2 ± 1.9 | 345.6 ± 2.9 | 4.29 ± 0.67 |
| RH10 | 77.2 ± 1.9 | 345.6 ± 2.9 | 4.29 ± 0.67 |
| Average | 67.7 | 318.1 | 4.29 |
| Median | 76.2 | 345.6 | 4.29 |
| Deviation | 19.5 | 60.2 | 0.00 |
Upstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | 23.8 ± 5.0 | 13.7 ± 0.6 | 67.1 ± 4.1 | 145.5 ± 8.5 | 1.73 ± 0.32 | 0.16 ± 0.04 |
| VC | 91.8 ± 7.1 | 26.6 ± 1.2 | 128.2 ± 7.9 | 143.7 ± 8.7 | 3.47 ± 0.38 | 0.64 ± 0.02 |
| MX1 | 42.5 ± 10.5 | 0.2 ± 0.0 | 1.1 ± 0.1 | 146.1 ± 8.5 | 183.51 ± 50.23 | 0.29 ± 0.06 |
| MX2 | 53.3 ± 3.2 | 15.9 ± 0.7 | 77.7 ± 4.8 | 145.3 ± 8.5 | 3.35 ± 0.27 | 0.37 ± 0.01 |
| MX3 | 47.1 ± 6.3 | 7.0 ± 0.3 | 34.1 ± 2.1 | 146.0 ± 8.5 | 6.79 ± 1.10 | 0.32 ± 0.03 |
| RH8 | 26.7 ± 2.1 | 7.1 ± 0.3 | 35.0 ± 2.2 | 146.0 ± 8.5 | 3.74 ± 0.34 | 0.18 ± 0.01 |
| RH9 | 22.6 ± 2.1 | 6.5 ± 0.3 | 31.6 ± 1.9 | 146.0 ± 8.5 | 3.51 ± 0.33 | 0.16 ± 0.01 |
| RH10 | 22.6 ± 2.1 | 6.5 ± 0.3 | 31.6 ± 1.9 | 146.0 ± 8.5 | 3.51 ± 0.33 | 0.16 ± 0.01 |
| Average | 41.3 | 10.4 | 50.8 | 145.6 | 26.2 | 0.3 |
| Median | 42.5 | 7.1 | 35.0 | 146.0 | 3.5 | 0.3 |
| Deviation | 23.8 | 8.1 | 39.1 | 0.8 | 63.6 | 0.2 |
Downstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | 4.9 ± 2.9 | 16.6 ± 0.5 | 21.4 ± 1.1 | 67.4 ± 1.8 | 0.29 ± 0.17 | 0.07 ± 0.04 |
| VC | 21.7 ± 1.6 | 36.0 ± 1.2 | 40.9 ± 2.2 | 59.4 ± 1.6 | 0.60 ± 0.04 | 0.36 ± 0.03 |
| MX1 | 11.6 ± 6.9 | 0.3 ± 0.0 | 0.4 ± 0.0 | 69.4 ± 1.9 | 42.49 ± 25.51 | 0.17 ± 0.10 |
| MX2 | 12.1 ± 1.6 | 19.4 ± 0.6 | 24.8 ± 1.3 | 66.7 ± 1.8 | 0.62 ± 0.09 | 0.18 ± 0.03 |
| MX3 | 11.5 ± 4.7 | 8.2 ± 0.3 | 10.9 ± 0.6 | 68.9 ± 1.9 | 1.40 ± 0.58 | 0.17 ± 0.07 |
| RH8 | 5.9 ± 2.2 | 8.5 ± 0.3 | 11.2 ± 0.6 | 68.9 ± 1.9 | 0.70 ± 0.27 | 0.09 ± 0.03 |
| RH9 | 4.8 ± 2.1 | 7.6 ± 0.2 | 10.1 ± 0.5 | 69.0 ± 1.9 | 0.64 ± 0.28 | 0.07 ± 0.03 |
| RH10 | 4.8 ± 2.1 | 7.6 ± 0.2 | 10.1 ± 0.5 | 69.0 ± 1.9 | 0.64 ± 0.28 | 0.07 ± 0.03 |
| Average | 9.7 | 13.0 | 16.2 | 67.4 | 5.9 | 0.1 |
| Median | 11.5 | 8.5 | 11.2 | 68.9 | 0.6 | 0.2 |
| Deviation | 5.9 | 11.0 | 12.5 | 3.4 | 14.8 | 0.1 |
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Key plasma parameters
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Velocity
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Magnetic Field
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