Interplanetary Shock Analysis Pages
Database: Wind Shock Analysis
Event ID: 19981240229
05/04/1998 124.10366 0229 [UT]
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MIT Space
Plasma Group Interplanetary Shock Analysis Pages Database: Wind Shock Analysis Event ID: 19981240229 05/04/1998 124.10366 0229 [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 | 1998 |
| Fractional day of year | 124.103663 |
| Arrival time of shock [seconds of day] | 8956.5 ± 4.0 |
| Shock type | SR |
| Electron data availability | 0 | X GSE location of spacecraft [Re] | 214.340 |
| Y GSE location of spacecraft [Re] | 6.665 |
| Z GSE location of spacecraft [Re] | 27.060 |
| Upstream plasma points selected for analysis | 0008 |
| Upstream field points selected for analysis | 0260 |
| Downstream plasma points selected for analysis | 0009 |
| Downstream field points selected for analysis | 0226 |
| Minimum chisq/dof for RH8,RH9,RH10 | 157.12, 80.32, 83.59 |
| Event added to database |
Sat Mar 12 17:59:13 2005 |
| Event last processed |
Sun Mar 13 11:20:23 2005 |
| Method selected |
RH08 |
| Propagation delay to Earth [minutes] |
52.216 ± 6.223 |
Asymptotic plasma parameters (About, Top)
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| Vx GSE [km/s] | -541.6 ± 6.6 | -692.3 ± 9.6 |
| Vy GSE [km/s] | 10.9 ± 2.8 | 50.6 ± 3.9 |
| Vz GSE [km/s] | -26.4 ± 5.5 | -70.4 ± 11.8 |
| Wi [km/s] | 63.2 ± 2.6 | 53.5 ± 4.0 |
| We [km/s] | 1999.9 ± 81.4 | 1690.3 ± 127.7 |
| Ni [n/cc] | 18.0 ± 1.3 | 8.7 ± 0.9 |
| Bx GSE [nT] | -1.3 ± 2.2 | -18.1 ± 2.0 |
| By GSE [nT] | -3.4 ± 1.5 | -31.1 ± 1.1 |
| Bz GSE [nT] | -2.4 ± 1.9 | -11.7 ± 3.1 |
| Plasma Beta |
10.389 ± 7.770 |
0.036 ± 0.039 |
| Sound Speed [km/s] |
81.65 ± 3.33 |
69.00 ± 5.21 |
| Alfven Speed [km/s] |
26.34 ± 9.89 |
281.42 ± 18.33 |
Best values of shock front normal for each method (About, Top)
| Method | Nx | Ny | Nz | Theta [degrees] | Phi [degrees] |
| MC | -0.761 ± 0.390 | 0.160 ± 0.345 | 0.629 ± 0.529 | 38.95 ± 35.72 | 168.14 ± 25.27 |
| VC | -0.930 ± 0.024 | 0.246 ± 0.028 | -0.274 ± 0.267 | -15.91 ± 4.93 | 165.20 ± 1.69 |
| MX1 | -0.842 ± 0.050 | 0.539 ± 0.078 | -0.023 ± 0.023 | -1.30 ± 22.04 | 147.38 ± 5.28 |
| MX2 | -0.812 ± 0.034 | 0.554 ± 0.047 | -0.182 ± 0.180 | -10.48 ± 5.08 | 145.68 ± 3.23 |
| MX3 | -0.808 ± 0.035 | 0.555 ± 0.048 | -0.197 ± 0.194 | -11.35 ± 4.91 | 145.53 ± 3.36 |
| RH08 | -0.928 ± 0.004 | 0.330 ± 0.009 | 0.173 ± 0.171 | 9.97 ± 0.53 | 160.45 ± 0.58 |
| RH09 | -0.300 ± 0.067 | -0.137 ± 0.070 | 0.944 ± 0.407 | 70.76 ± 4.01 | 204.57 ± 12.32 |
| RH10 | -0.300 ± 0.067 | -0.137 ± 0.070 | 0.944 ± 0.407 | 70.76 ± 4.01 | 204.57 ± 12.32 |
| Average | -0.710 | 0.264 | 0.252 | 18.924 | 167.690 |
| Median | -0.808 | 0.330 | 0.173 | 9.973 | 165.198 |
| Deviation | 0.260 | 0.288 | 0.514 | 36.368 | 24.397 |
Key shock parameters (About, Top)
| Method | ThetaBn | Shock Speed | Compression |
| MC | 79.2 ± 34.6 | 314.4 ± 29.9 | 0.49 ± 0.07 |
| VC | 76.9 ± 17.7 | 367.1 ± 42.2 | 0.49 ± 0.07 |
| MX1 | 83.7 ± 17.1 | 328.8 ± 40.1 | 0.49 ± 0.07 |
| MX2 | 86.5 ± 13.1 | 313.0 ± 40.3 | 0.49 ± 0.07 |
| MX3 | 86.8 ± 12.7 | 311.4 ± 40.3 | 0.49 ± 0.07 |
| RH08 | 88.3 ± 25.4 | 373.6 ± 39.8 | 0.49 ± 0.07 |
| RH09 | 76.2 ± 29.3 | 140.3 ± 17.0 | 0.49 ± 0.07 |
| RH10 | 76.2 ± 29.3 | 140.3 ± 17.0 | 0.49 ± 0.07 |
| Average | 81.7 | 286.1 | 0.49 |
| Median | 83.7 | 314.4 | 0.49 |
| Deviation | 5.2 | 93.2 | 0.00 |
Upstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | -83.0 ± 7.8 | 4.6 ± 1.6 | 4.9 ± 1.9 | 86.1 ± 4.3 | -21.20 ± 11.72 | -0.97 ± 0.10 |
| VC | -146.5 ± 5.0 | 5.6 ± 2.0 | 6.0 ± 2.2 | 86.0 ± 4.2 | -30.64 ± 15.61 | -1.71 ± 0.11 |
| MX1 | -133.8 ± 5.4 | 2.7 ± 1.0 | 2.9 ± 1.1 | 86.2 ± 4.3 | -57.70 ± 30.12 | -1.56 ± 0.11 |
| MX2 | -137.7 ± 4.5 | 1.5 ± 0.5 | 1.6 ± 0.6 | 86.2 ± 4.3 | -108.11 ± 55.86 | -1.60 ± 0.11 |
| MX3 | -137.7 ± 4.4 | 1.4 ± 0.5 | 1.5 ± 0.6 | 86.2 ± 4.3 | -117.56 ± 60.68 | -1.60 ± 0.11 |
| RH8 | -128.1 ± 6.7 | 0.7 ± 0.3 | 0.8 ± 0.3 | 86.2 ± 4.3 | -207.10 ± 108.70 | -1.49 ± 0.11 |
| RH9 | 4.4 ± 6.6 | 5.9 ± 2.1 | 6.3 ± 2.4 | 86.0 ± 4.2 | 0.66 ± 1.06 | 0.05 ± 0.07 |
| RH10 | 4.4 ± 6.6 | 5.9 ± 2.1 | 6.3 ± 2.4 | 86.0 ± 4.2 | 0.66 ± 1.06 | 0.05 ± 0.07 |
| Average | -94.8 | 3.5 | 3.8 | 86.1 | -67.6 | -1.1 |
| Median | -128.1 | 4.6 | 4.9 | 86.2 | -30.6 | -1.5 |
| Deviation | 64.1 | 2.2 | 2.3 | 0.1 | 72.2 | 0.7 |
Downstream wave speeds and mach numbers (About, Top)
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Mach |
Mach |
| MC | -176.4 ± 14.1 | 12.6 ± 0.9 | 52.8 ± 3.4 | 289.5 ± 18.2 | -14.12 ± 1.97 | -0.61 ± 0.05 |
| VC | -308.4 ± 7.3 | 15.2 ± 1.1 | 63.7 ± 4.2 | 289.4 ± 18.2 | -20.41 ± 1.84 | -1.07 ± 0.07 |
| MX1 | -283.1 ± 9.2 | 7.4 ± 0.5 | 31.1 ± 2.0 | 289.7 ± 18.2 | -38.48 ± 3.82 | -0.98 ± 0.06 |
| MX2 | -290.1 ± 7.7 | 4.1 ± 0.3 | 17.1 ± 1.1 | 289.8 ± 18.2 | -71.88 ± 6.77 | -1.00 ± 0.06 |
| MX3 | -290.2 ± 7.5 | 3.7 ± 0.3 | 15.7 ± 1.0 | 289.8 ± 18.2 | -78.19 ± 7.32 | -1.00 ± 0.06 |
| RH8 | -273.5 ± 11.3 | 2.0 ± 0.1 | 8.3 ± 0.5 | 289.8 ± 18.2 | -139.25 ± 14.69 | -0.95 ± 0.06 |
| RH9 | 6.1 ± 13.2 | 16.0 ± 1.2 | 67.0 ± 4.4 | 289.4 ± 18.2 | 0.36 ± 0.87 | 0.02 ± 0.05 |
| RH10 | 6.1 ± 13.2 | 16.0 ± 1.2 | 67.0 ± 4.4 | 289.4 ± 18.2 | 0.36 ± 0.87 | 0.02 ± 0.05 |
| Average | -201.2 | 9.6 | 40.3 | 289.6 | -45.2 | -0.7 |
| Median | -273.5 | 12.6 | 52.8 | 289.7 | -20.4 | -0.9 |
| Deviation | 134.1 | 6.0 | 25.0 | 0.2 | 48.4 | 0.5 |
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Key plasma parameters
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Velocity
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Magnetic Field
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