Interplanetary Shock Analysis Pages
Database: Wind Shock Analysis
Event ID: 19982672320
09/24/1998 267.97262 2320 [UT]
|
MIT Space
Plasma Group Interplanetary Shock Analysis Pages Database: Wind Shock Analysis Event ID: 19982672320 09/24/1998 267.97262 2320 [UT] |
|
| Site |
Data
tables |
Selection |
Normals |
Parameters |
|
Previous event Next event Yearly list Main page Help |
General information Asymptotic parameters Shock front normals Key parameters Wave speed and Mach numbers |
Survey Selected |
Simple
methods Rankine Individual equations |
Shock
speed Theta Bn Mach numbers |
General Information (About, Top)
| Year | 1998 |
| Fractional day of year | 267.972622 |
| Arrival time of shock [seconds of day] | 84034.5 ± 60.0 |
| Shock type | FF |
| Electron data availability | 0 | X GSE location of spacecraft [Re] | 183.440 |
| Y GSE location of spacecraft [Re] | 14.700 |
| Z GSE location of spacecraft [Re] | -5.840 |
| Upstream plasma points selected for analysis | 0009 |
| Upstream field points selected for analysis | 0302 |
| Downstream plasma points selected for analysis | 0010 |
| Downstream field points selected for analysis | 0276 |
| Minimum chisq/dof for RH8,RH9,RH10 | 14.64, 22.54, 23.77 |
| Event added to database |
Mon Feb 14 11:07:03 2005 |
| Event last processed |
Sun Mar 13 10:49:42 2005 |
| Method selected |
RH08 |
| Propagation delay to Earth [minutes] |
22.914 ± 3.873 |
Asymptotic plasma parameters (About, Top)
|
|
|
|
| Vx GSE [km/s] | -434.8 ± 2.8 | -620.1 ± 19.3 |
| Vy GSE [km/s] | 19.0 ± 2.0 | -37.1 ± 18.2 |
| Vz GSE [km/s] | 20.8 ± 5.8 | -67.1 ± 14.3 |
| Wi [km/s] | 52.8 ± 1.0 | 103.2 ± 7.2 |
| We [km/s] | 1670.6 ± 33.1 | 3263.8 ± 227.2 |
| Ni [n/cc] | 7.7 ± 0.5 | 16.9 ± 2.4 |
| Bx GSE [nT] | -6.4 ± 0.6 | -15.3 ± 1.3 |
| By GSE [nT] | 12.7 ± 0.3 | 33.2 ± 2.8 |
| Bz GSE [nT] | 3.0 ± 0.8 | 15.6 ± 3.1 |
| Plasma Beta |
0.215 ± 0.214 |
0.242 ± 0.277 |
| Sound Speed [km/s] |
68.20 ± 1.35 |
133.24 ± 9.28 |
| Alfven Speed [km/s] |
114.45 ± 5.16 |
213.44 ± 19.04 |
Best values of shock front normal for each method (About, Top)
| Method | Nx | Ny | Nz | Theta [degrees] | Phi [degrees] |
| MC | -0.525 ± 0.347 | 0.440 ± 0.379 | -0.729 ± 0.559 | -46.79 ± 20.28 | 140.04 ± 37.20 |
| VC | -0.872 ± 0.037 | -0.262 ± 0.071 | -0.414 ± 0.388 | -24.45 ± 4.40 | 196.76 ± 4.65 |
| MX1 | -0.912 ± 0.031 | -0.151 ± 0.065 | -0.382 ± 0.363 | -22.48 ± 4.48 | 189.42 ± 4.09 |
| MX2 | -0.915 ± 0.029 | -0.164 ± 0.058 | -0.368 ± 0.351 | -21.61 ± 4.22 | 190.16 ± 3.63 |
| MX3 | -0.917 ± 0.028 | -0.171 ± 0.056 | -0.361 ± 0.344 | -21.14 ± 4.15 | 190.54 ± 3.46 |
| RH08 | -0.914 ± 0.004 | -0.220 ± 0.009 | -0.341 ± 0.327 | -19.92 ± 0.56 | 193.54 ± 0.58 |
| RH09 | -0.939 ± 0.024 | -0.175 ± 0.070 | -0.296 ± 0.287 | -17.22 ± 4.00 | 190.53 ± 4.24 |
| RH10 | -0.954 ± 0.021 | -0.143 ± 0.070 | -0.263 ± 0.256 | -15.22 ± 4.00 | 188.52 ± 4.20 |
| Average | -0.868 | -0.106 | -0.394 | -23.605 | 184.939 |
| Median | -0.914 | -0.164 | -0.361 | -21.143 | 190.529 |
| Deviation | 0.141 | 0.224 | 0.143 | 9.812 | 18.332 |
Key shock parameters (About, Top)
| Method | ThetaBn | Shock Speed | Compression |
| MC | 62.4 ± 2.9 | 476.9 ± 64.5 | 2.17 ± 0.38 |
| VC | 86.1 ± 2.4 | 753.0 ± 95.1 | 2.17 ± 0.38 |
| MX1 | 79.1 ± 2.4 | 765.3 ± 95.1 | 2.17 ± 0.38 |
| MX2 | 79.5 ± 2.4 | 766.6 ± 95.3 | 2.17 ± 0.38 |
| MX3 | 79.7 ± 2.4 | 768.3 ± 95.3 | 2.17 ± 0.38 |
| RH08 | 82.1 ± 2.4 | 772.4 ± 95.6 | 2.17 ± 0.38 |
| RH09 | 78.6 ± 2.4 | 780.0 ± 95.5 | 2.17 ± 0.38 |
| RH10 | 76.2 ± 2.4 | 783.3 ± 95.1 | 2.17 ± 0.38 |
| Average | 78.0 | 733.2 | 2.17 |
| Median | 79.5 | 768.3 | 2.17 |
| Deviation | 6.9 | 104.0 | 0.00 |
Upstream wave speeds and mach numbers (About, Top)
|
|
|
|
|
|
Mach |
Mach |
| MC | 255.6 ± 4.0 | 27.7 ± 0.3 | 53.0 ± 2.4 | 130.4 ± 4.1 | 9.22 ± 0.14 | 1.96 ± 0.07 |
| VC | 387.7 ± 4.0 | 3.9 ± 0.0 | 7.7 ± 0.3 | 133.2 ± 4.0 | 98.41 ± 1.17 | 2.91 ± 0.09 |
| MX1 | 379.8 ± 3.7 | 11.1 ± 0.1 | 21.6 ± 1.0 | 132.8 ± 4.0 | 34.34 ± 0.40 | 2.86 ± 0.09 |
| MX2 | 379.5 ± 3.7 | 10.7 ± 0.1 | 20.8 ± 0.9 | 132.8 ± 4.0 | 35.58 ± 0.42 | 2.86 ± 0.09 |
| MX3 | 380.4 ± 3.7 | 10.5 ± 0.1 | 20.4 ± 0.9 | 132.9 ± 4.0 | 36.36 ± 0.43 | 2.87 ± 0.09 |
| RH8 | 386.3 ± 3.7 | 8.1 ± 0.1 | 15.8 ± 0.7 | 133.0 ± 4.0 | 47.77 ± 0.56 | 2.91 ± 0.09 |
| RH9 | 381.2 ± 3.5 | 11.6 ± 0.1 | 22.6 ± 1.0 | 132.8 ± 4.0 | 32.78 ± 0.38 | 2.87 ± 0.08 |
| RH10 | 376.6 ± 3.4 | 14.1 ± 0.1 | 27.4 ± 1.2 | 132.5 ± 4.0 | 26.77 ± 0.31 | 2.84 ± 0.08 |
| Average | 365.9 | 12.2 | 23.7 | 132.5 | 40.2 | 2.8 |
| Median | 380.4 | 11.1 | 21.6 | 132.8 | 35.6 | 2.9 |
| Deviation | 44.7 | 6.9 | 13.2 | 0.9 | 25.9 | 0.3 |
Downstream wave speeds and mach numbers (About, Top)
|
|
|
|
|
|
Mach |
Mach |
| MC | 118.9 ± 19.7 | 53.3 ± 2.4 | 98.9 ± 8.8 | 246.3 ± 14.8 | 2.23 ± 0.34 | 0.49 ± 0.09 |
| VC | 175.0 ± 18.4 | 7.6 ± 0.3 | 14.4 ± 1.3 | 251.9 ± 14.5 | 23.17 ± 2.79 | 0.70 ± 0.11 |
| MX1 | 168.7 ± 18.8 | 21.3 ± 0.9 | 40.2 ± 3.6 | 251.1 ± 14.5 | 7.95 ± 0.99 | 0.68 ± 0.11 |
| MX2 | 168.3 ± 18.8 | 20.5 ± 0.9 | 38.8 ± 3.5 | 251.2 ± 14.5 | 8.23 ± 1.03 | 0.68 ± 0.11 |
| MX3 | 169.2 ± 18.8 | 20.1 ± 0.9 | 38.0 ± 3.4 | 251.2 ± 14.5 | 8.43 ± 1.06 | 0.68 ± 0.11 |
| RH8 | 174.6 ± 18.8 | 15.5 ± 0.7 | 29.4 ± 2.6 | 251.6 ± 14.5 | 11.26 ± 1.39 | 0.70 ± 0.11 |
| RH9 | 171.3 ± 19.1 | 22.3 ± 1.0 | 42.2 ± 3.8 | 251.0 ± 14.5 | 7.68 ± 0.97 | 0.69 ± 0.11 |
| RH10 | 168.6 ± 19.2 | 27.0 ± 1.2 | 51.0 ± 4.6 | 250.6 ± 14.6 | 6.25 ± 0.80 | 0.68 ± 0.11 |
| Average | 164.3 | 23.5 | 44.1 | 250.6 | 9.4 | 0.7 |
| Median | 169.2 | 21.3 | 40.2 | 251.2 | 8.2 | 0.7 |
| Deviation | 18.6 | 13.3 | 24.6 | 1.8 | 6.1 | 0.1 |
|
Key plasma parameters
 |
Velocity
 |
Magnetic Field
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
