Interplanetary Shock Analysis Pages
Database: Wind Shock Analysis
Event ID: 20021431044
05/23/2002 143.44784 1044 [UT]
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MIT Space
Plasma Group Interplanetary Shock Analysis Pages Database: Wind Shock Analysis Event ID: 20021431044 05/23/2002 143.44784 1044 [UT] |
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General information Asymptotic parameters Shock front normals Key parameters Wave speed and Mach numbers |
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methods Rankine Individual equations |
Shock
speed Theta Bn Mach numbers |
General Information (About, Top)
| Year | 2002 |
| Fractional day of year | 143.447837 |
| Arrival time of shock [seconds of day] | 38693.1 ± 60.0 |
| Shock type | FF |
| Electron data availability | 0 | X GSE location of spacecraft [Re] | 17.117 |
| Y GSE location of spacecraft [Re] | 320.760 |
| Z GSE location of spacecraft [Re] | 22.880 |
| Upstream plasma points selected for analysis | 0005 |
| Upstream field points selected for analysis | 0205 |
| Downstream plasma points selected for analysis | 0005 |
| Downstream field points selected for analysis | 0179 |
| Minimum chisq/dof for RH8,RH9,RH10 | 52.37, 61.07, 65.83 |
| Event added to database |
Sat Mar 12 23:12:09 2005 |
| Event last processed |
Sun Mar 13 11:38:54 2005 |
| Method selected |
RH08 |
| Propagation delay to Earth [minutes] |
23.492 ± 6.004 |
Asymptotic plasma parameters (About, Top)
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| Vx GSE [km/s] | -441.4 ± 3.4 | -554.7 ± 10.4 |
| Vy GSE [km/s] | -9.4 ± 5.1 | -7.6 ± 7.6 |
| Vz GSE [km/s] | -37.7 ± 7.1 | -136.8 ± 9.2 |
| Wi [km/s] | 38.2 ± 1.2 | 61.3 ± 5.1 |
| We [km/s] | 1209.0 ± 39.3 | 1939.2 ± 160.6 |
| Ni [n/cc] | 9.4 ± 1.2 | 16.0 ± 3.5 |
| Bx GSE [nT] | -2.9 ± 0.2 | -7.0 ± 2.6 |
| By GSE [nT] | 13.0 ± 0.7 | 30.3 ± 0.3 |
| Bz GSE [nT] | 8.2 ± 1.6 | 11.0 ± 2.7 |
| Plasma Beta |
0.119 ± 0.117 |
0.117 ± 0.101 |
| Sound Speed [km/s] |
49.36 ± 1.60 |
79.17 ± 6.55 |
| Alfven Speed [km/s] |
111.40 ± 6.94 |
183.06 ± 21.40 |
Best values of shock front normal for each method (About, Top)
| Method | Nx | Ny | Nz | Theta [degrees] | Phi [degrees] |
| MC | -0.424 ± 0.462 | -0.060 ± 0.640 | -0.903 ± 0.483 | -64.62 ± 29.04 | 188.11 ± 86.03 |
| VC | -0.754 ± 0.045 | 0.012 ± 0.056 | -0.657 ± 0.540 | -41.07 ± 3.92 | 179.12 ± 4.27 |
| MX1 | -0.723 ± 0.055 | -0.060 ± 0.076 | -0.688 ± 0.551 | -43.46 ± 4.54 | 184.70 ± 6.01 |
| MX2 | -0.730 ± 0.049 | -0.062 ± 0.077 | -0.680 ± 0.548 | -42.86 ± 4.14 | 184.83 ± 6.06 |
| MX3 | -0.736 ± 0.046 | -0.064 ± 0.079 | -0.674 ± 0.546 | -42.37 ± 3.92 | 184.94 ± 6.11 |
| RH08 | -0.840 ± 0.007 | -0.439 ± 0.011 | -0.318 ± 0.307 | -18.57 ± 0.88 | 207.58 ± 0.75 |
| RH09 | -0.863 ± 0.034 | -0.451 ± 0.060 | -0.229 ± 0.225 | -13.24 ± 4.03 | 207.58 ± 3.92 |
| RH10 | -0.867 ± 0.035 | -0.453 ± 0.063 | -0.207 ± 0.204 | -11.93 ± 3.98 | 207.58 ± 4.14 |
| Average | -0.742 | -0.197 | -0.545 | -34.765 | 193.054 |
| Median | -0.736 | -0.062 | -0.657 | -41.073 | 188.113 |
| Deviation | 0.142 | 0.209 | 0.257 | 18.428 | 12.274 |
Key shock parameters (About, Top)
| Method | ThetaBn | Shock Speed | Compression |
| MC | 63.7 ± 4.4 | 587.5 ± 164.9 | 1.72 ± 0.39 |
| VC | 78.8 ± 3.8 | 745.7 ± 169.1 | 1.72 ± 0.39 |
| MX1 | 74.1 ± 3.8 | 735.8 ± 170.7 | 1.72 ± 0.39 |
| MX2 | 74.3 ± 3.7 | 738.5 ± 170.6 | 1.72 ± 0.39 |
| MX3 | 74.4 ± 3.7 | 740.7 ± 170.4 | 1.72 ± 0.39 |
| RH08 | 68.0 ± 1.9 | 717.7 ± 142.4 | 1.72 ± 0.39 |
| RH09 | 70.5 ± 1.6 | 706.6 ± 133.8 | 1.72 ± 0.39 |
| RH10 | 71.2 ± 1.5 | 702.9 ± 131.5 | 1.72 ± 0.39 |
| Average | 71.9 | 709.4 | 1.72 |
| Median | 74.1 | 735.8 | 1.72 |
| Deviation | 4.6 | 51.9 | 0.00 |
Upstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | 365.5 ± 4.8 | 20.3 ± 0.6 | 49.4 ± 3.1 | 120.2 ± 6.5 | 18.03 ± 0.62 | 3.05 ± 0.19 |
| VC | 388.3 ± 2.5 | 8.7 ± 0.3 | 21.6 ± 1.3 | 121.6 ± 6.4 | 44.42 ± 1.44 | 3.20 ± 0.18 |
| MX1 | 389.9 ± 2.5 | 12.4 ± 0.4 | 30.6 ± 1.9 | 121.2 ± 6.4 | 31.38 ± 1.01 | 3.22 ± 0.18 |
| MX2 | 389.8 ± 2.4 | 12.3 ± 0.4 | 30.2 ± 1.9 | 121.3 ± 6.4 | 31.77 ± 1.02 | 3.22 ± 0.18 |
| MX3 | 389.7 ± 2.3 | 12.1 ± 0.4 | 29.9 ± 1.9 | 121.3 ± 6.4 | 32.10 ± 1.03 | 3.22 ± 0.18 |
| RH8 | 330.6 ± 2.6 | 17.1 ± 0.5 | 41.7 ± 2.6 | 120.7 ± 6.4 | 19.39 ± 0.59 | 2.75 ± 0.13 |
| RH9 | 312.8 ± 3.3 | 15.2 ± 0.5 | 37.2 ± 2.3 | 120.9 ± 6.4 | 20.65 ± 0.64 | 2.59 ± 0.12 |
| RH10 | 308.0 ± 3.5 | 14.7 ± 0.4 | 36.0 ± 2.2 | 121.0 ± 6.4 | 21.01 ± 0.65 | 2.55 ± 0.11 |
| Average | 359.3 | 14.1 | 34.6 | 121.0 | 27.3 | 3.0 |
| Median | 388.3 | 14.7 | 36.0 | 121.2 | 31.4 | 3.2 |
| Deviation | 36.4 | 3.5 | 8.5 | 0.4 | 9.1 | 0.3 |
Downstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | 228.1 ± 10.2 | 32.6 ± 2.5 | 81.2 ± 9.5 | 197.0 ± 20.0 | 7.04 ± 0.64 | 1.17 ± 0.15 |
| VC | 237.8 ± 11.0 | 14.1 ± 1.1 | 35.4 ± 4.1 | 199.2 ± 19.9 | 16.99 ± 1.38 | 1.20 ± 0.14 |
| MX1 | 240.0 ± 10.8 | 20.0 ± 1.5 | 50.2 ± 5.9 | 198.6 ± 19.9 | 12.07 ± 1.00 | 1.22 ± 0.14 |
| MX2 | 239.8 ± 10.8 | 19.7 ± 1.5 | 49.6 ± 5.8 | 198.7 ± 19.9 | 12.21 ± 1.01 | 1.22 ± 0.14 |
| MX3 | 239.7 ± 10.8 | 19.5 ± 1.5 | 49.1 ± 5.7 | 198.7 ± 19.9 | 12.34 ± 1.02 | 1.22 ± 0.14 |
| RH8 | 204.7 ± 9.6 | 27.4 ± 2.1 | 68.6 ± 8.0 | 197.8 ± 19.9 | 7.50 ± 0.62 | 1.04 ± 0.11 |
| RH9 | 193.2 ± 9.4 | 24.3 ± 1.9 | 61.1 ± 7.1 | 198.2 ± 19.9 | 7.97 ± 0.65 | 0.98 ± 0.10 |
| RH10 | 190.2 ± 9.4 | 23.6 ± 1.8 | 59.1 ± 6.9 | 198.3 ± 19.9 | 8.10 ± 0.66 | 0.97 ± 0.09 |
| Average | 221.7 | 22.6 | 56.8 | 198.3 | 10.5 | 1.1 |
| Median | 237.8 | 23.6 | 59.1 | 198.6 | 12.1 | 1.2 |
| Deviation | 22.0 | 5.7 | 14.0 | 0.7 | 3.5 | 0.1 |
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Key plasma parameters
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Magnetic Field
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