Interplanetary Shock Analysis Pages
Database: Wind Shock Analysis
Event ID: 19983120443
11/08/1998 312.19710 0443 [UT]
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MIT Space
Plasma Group Interplanetary Shock Analysis Pages Database: Wind Shock Analysis Event ID: 19983120443 11/08/1998 312.19710 0443 [UT] |
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Data
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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 | 1998 |
| Fractional day of year | 312.197100 |
| Arrival time of shock [seconds of day] | 17029.4 ± 60.0 |
| Shock type | FF |
| Electron data availability | 0 | X GSE location of spacecraft [Re] | 76.827 |
| Y GSE location of spacecraft [Re] | 13.947 |
| Z GSE location of spacecraft [Re] | 8.130 |
| Upstream plasma points selected for analysis | 0005 |
| Upstream field points selected for analysis | 0260 |
| Downstream plasma points selected for analysis | 0006 |
| Downstream field points selected for analysis | 0261 |
| Minimum chisq/dof for RH8,RH9,RH10 | 16.05, 21.30, 23.53 |
| Event added to database |
Sat Mar 12 21:11:30 2005 |
| Event last processed |
Sun Mar 13 11:22:39 2005 |
| Method selected |
RH08 |
| Propagation delay to Earth [minutes] |
9.354 ± 1.391 |
Asymptotic plasma parameters (About, Top)
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| Vx GSE [km/s] | -451.7 ± 4.0 | -618.1 ± 6.6 |
| Vy GSE [km/s] | 12.2 ± 4.3 | 32.6 ± 11.5 |
| Vz GSE [km/s] | -12.1 ± 14.3 | -37.1 ± 16.2 |
| Wi [km/s] | 33.0 ± 5.6 | 58.3 ± 6.8 |
| We [km/s] | 1042.4 ± 177.1 | 1844.4 ± 213.9 |
| Ni [n/cc] | 4.4 ± 0.7 | 9.5 ± 1.0 |
| Bx GSE [nT] | -2.6 ± 0.4 | 8.4 ± 0.6 |
| By GSE [nT] | 16.7 ± 0.2 | 28.2 ± 2.5 |
| Bz GSE [nT] | -3.9 ± 1.3 | -15.3 ± 3.2 |
| Plasma Beta |
0.034 ± 0.030 |
0.061 ± 0.067 |
| Sound Speed [km/s] |
42.55 ± 7.23 |
75.30 ± 8.73 |
| Alfven Speed [km/s] |
182.41 ± 16.15 |
236.35 ± 10.61 |
Best values of shock front normal for each method (About, Top)
| Method | Nx | Ny | Nz | Theta [degrees] | Phi [degrees] |
| MC | -0.625 ± 0.124 | 0.771 ± 0.101 | 0.120 ± 0.120 | 6.92 ± 6.34 | 129.04 ± 9.18 |
| VC | -0.982 ± 0.019 | 0.119 ± 0.064 | -0.149 ± 0.147 | -8.54 ± 6.82 | 173.11 ± 3.75 |
| MX1 | -0.791 ± 0.057 | 0.568 ± 0.076 | -0.226 ± 0.222 | -13.04 ± 5.40 | 144.30 ± 5.46 |
| MX2 | -0.817 ± 0.039 | 0.470 ± 0.057 | -0.335 ± 0.322 | -19.60 ± 4.41 | 150.10 ± 3.88 |
| MX3 | -0.823 ± 0.038 | 0.390 ± 0.057 | -0.413 ± 0.388 | -24.40 ± 4.23 | 154.62 ± 3.84 |
| RH08 | -0.795 ± 0.012 | 0.363 ± 0.016 | -0.486 ± 0.444 | -29.08 ± 1.35 | 155.43 ± 1.06 |
| RH09 | -0.794 ± 0.041 | 0.380 ± 0.061 | -0.475 ± 0.435 | -28.35 ± 4.04 | 154.43 ± 4.26 |
| RH10 | -0.794 ± 0.042 | 0.380 ± 0.063 | -0.475 ± 0.435 | -28.35 ± 4.05 | 154.43 ± 4.45 |
| Average | -0.803 | 0.430 | -0.305 | -18.056 | 151.931 |
| Median | -0.794 | 0.390 | -0.335 | -19.601 | 154.429 |
| Deviation | 0.096 | 0.187 | 0.212 | 12.624 | 12.340 |
Key shock parameters (About, Top)
| Method | ThetaBn | Shock Speed | Compression |
| MC | 36.0 ± 3.1 | 507.4 ± 59.8 | 2.17 ± 0.47 |
| VC | 72.8 ± 1.0 | 754.5 ± 71.4 | 2.17 ± 0.47 |
| MX1 | 44.2 ± 1.0 | 641.9 ± 66.4 | 2.17 ± 0.47 |
| MX2 | 49.4 ± 0.9 | 661.3 ± 66.7 | 2.17 ± 0.47 |
| MX3 | 53.6 ± 1.1 | 664.9 ± 66.2 | 2.17 ± 0.47 |
| RH08 | 54.6 ± 1.4 | 644.5 ± 64.3 | 2.17 ± 0.47 |
| RH09 | 53.7 ± 1.4 | 644.7 ± 64.4 | 2.17 ± 0.47 |
| RH10 | 53.7 ± 1.4 | 644.7 ± 64.4 | 2.17 ± 0.47 |
| Average | 52.3 | 645.5 | 2.17 |
| Median | 53.7 | 644.7 | 2.17 |
| Deviation | 10.5 | 67.2 | 0.00 |
Upstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | 217.0 ± 5.3 | 34.1 ± 5.6 | 147.5 ± 13.1 | 184.2 ± 16.0 | 6.50 ± 0.96 | 1.18 ± 0.09 |
| VC | 307.7 ± 4.2 | 12.3 ± 2.0 | 54.1 ± 4.8 | 187.0 ± 15.7 | 25.52 ± 3.71 | 1.65 ± 0.14 |
| MX1 | 274.8 ± 2.9 | 30.1 ± 4.9 | 130.7 ± 11.6 | 185.0 ± 15.9 | 9.32 ± 1.37 | 1.49 ± 0.13 |
| MX2 | 282.6 ± 4.1 | 27.2 ± 4.4 | 118.6 ± 10.5 | 185.4 ± 15.9 | 10.59 ± 1.55 | 1.53 ± 0.13 |
| MX3 | 283.4 ± 5.2 | 24.7 ± 4.0 | 108.1 ± 9.6 | 185.8 ± 15.8 | 11.68 ± 1.72 | 1.53 ± 0.14 |
| RH8 | 275.1 ± 6.1 | 24.2 ± 3.9 | 105.6 ± 9.4 | 185.8 ± 15.8 | 11.61 ± 1.71 | 1.49 ± 0.14 |
| RH9 | 275.7 ± 5.9 | 24.7 ± 4.0 | 108.0 ± 9.6 | 185.8 ± 15.8 | 11.37 ± 1.68 | 1.49 ± 0.14 |
| RH10 | 275.7 ± 5.9 | 24.7 ± 4.0 | 108.0 ± 9.6 | 185.8 ± 15.8 | 11.37 ± 1.68 | 1.49 ± 0.14 |
| Average | 274.0 | 25.2 | 110.1 | 185.6 | 12.2 | 1.5 |
| Median | 275.7 | 24.7 | 108.1 | 185.8 | 11.4 | 1.5 |
| Deviation | 25.5 | 6.3 | 26.9 | 0.8 | 5.6 | 0.1 |
Downstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | 100.3 ± 13.9 | 59.8 ± 6.8 | 191.2 ± 8.6 | 240.8 ± 11.0 | 1.70 ± 0.34 | 0.42 ± 0.06 |
| VC | 138.3 ± 6.2 | 21.3 ± 2.3 | 70.1 ± 3.1 | 247.2 ± 11.6 | 6.56 ± 0.84 | 0.56 ± 0.04 |
| MX1 | 126.0 ± 8.0 | 52.6 ± 5.9 | 169.4 ± 7.6 | 242.5 ± 11.1 | 2.43 ± 0.36 | 0.52 ± 0.05 |
| MX2 | 128.8 ± 6.2 | 47.5 ± 5.3 | 153.7 ± 6.9 | 243.5 ± 11.2 | 2.74 ± 0.38 | 0.53 ± 0.04 |
| MX3 | 128.3 ± 5.4 | 43.2 ± 4.8 | 140.1 ± 6.3 | 244.3 ± 11.3 | 3.01 ± 0.40 | 0.53 ± 0.04 |
| RH8 | 123.3 ± 5.1 | 42.1 ± 4.7 | 136.9 ± 6.1 | 244.5 ± 11.3 | 2.96 ± 0.39 | 0.51 ± 0.04 |
| RH9 | 124.0 ± 5.1 | 43.1 ± 4.8 | 140.0 ± 6.3 | 244.3 ± 11.3 | 2.91 ± 0.38 | 0.51 ± 0.04 |
| RH10 | 124.0 ± 5.1 | 43.1 ± 4.8 | 140.0 ± 6.3 | 244.3 ± 11.3 | 2.91 ± 0.38 | 0.51 ± 0.04 |
| Average | 124.1 | 44.1 | 142.7 | 243.9 | 3.2 | 0.5 |
| Median | 126.0 | 43.2 | 140.1 | 244.3 | 2.9 | 0.5 |
| Deviation | 10.8 | 11.0 | 34.9 | 1.8 | 1.4 | 0.0 |
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Key plasma parameters
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Velocity
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Magnetic Field
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