Database: Wind Shock Analysis
Event ID: 19990131047
Observation time: 01/13/1999 13.44998 1047 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
13.449983 |
| Arrival time of shock [seconds of day] |
38878.5 ± 18.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
28.680 |
| Y GSE location of spacecraft [Re] |
-59.396 |
| Z GSE location of spacecraft [Re] |
-21.231 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0260 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0260 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.23, 10.63, 10.99 |
Event added to database
|
Sat Mar 12 21:21:48 2005
|
Event last processed
|
Mon Mar 30 23:30:37 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
7.325 ± 0.752
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-345.8 ± 7.1 |
-389.3 ± 10.6 |
| Vy GSE [km/s] |
-19.3 ± 4.6 |
-17.6 ± 3.7 |
| Vz GSE [km/s] |
-13.1 ± 4.4 |
3.9 ± 6.9 |
| Wi [km/s] |
26.8 ± 1.6 |
34.0 ± 4.4 |
| We [km/s] |
846.3 ± 52.0 |
1076.6 ± 138.7 |
| Ni [n/cc] |
9.7 ± 1.1 |
20.3 ± 1.8 |
| Bx GSE [nT] |
1.1 ± 0.9 |
-0.1 ± 2.8 |
| By GSE [nT] |
-2.6 ± 1.5 |
-4.4 ± 2.0 |
| Bz GSE [nT] |
-4.2 ± 0.5 |
-6.9 ± 2.2 |
Plasma Beta
|
0.523 ± 0.494
|
0.665 ± 0.592
|
Sound Speed [km/s]
|
34.55 ± 2.12
|
43.95 ± 5.66
|
Alfven Speed [km/s]
|
37.53 ± 2.86
|
43.56 ± 3.86
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.856 ± 0.341 |
0.343 ± 0.656 |
0.386 ± 0.366 |
22.72 ± 35.10 |
158.14 ± 43.48 |
| VC |
-0.923 ± 0.097 |
0.034 ± 0.131 |
0.384 ± 0.364 |
22.55 ± 14.54 |
177.92 ± 8.14 |
| MX1 |
-0.930 ± 0.188 |
-0.008 ± 0.636 |
0.367 ± 0.349 |
21.52 ± 29.30 |
180.50 ± 39.20 |
| MX2 |
-0.891 ± 0.119 |
-0.054 ± 0.505 |
0.451 ± 0.417 |
26.78 ± 14.70 |
183.45 ± 32.48 |
| MX3 |
-0.904 ± 0.198 |
0.036 ± 0.407 |
0.426 ± 0.398 |
25.19 ± 26.61 |
177.69 ± 25.79 |
| RH08 |
-0.988 ± 0.003 |
-0.026 ± 0.014 |
0.151 ± 0.150 |
8.68 ± 1.04 |
181.50 ± 0.82 |
| RH09 |
-0.989 ± 0.010 |
-0.043 ± 0.070 |
0.140 ± 0.139 |
8.03 ± 4.02 |
182.51 ± 4.07 |
| RH10 |
-0.989 ± 0.010 |
-0.043 ± 0.070 |
0.140 ± 0.139 |
8.03 ± 4.02 |
182.51 ± 4.07 |
| Average |
-0.934 |
0.030 |
0.305 |
17.936 |
178.026 |
| Median |
-0.923 |
-0.008 |
0.384 |
22.553 |
181.504 |
| Deviation |
0.051 |
0.131 |
0.137 |
8.193 |
8.309 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
48.9 ± 6.7 |
376.8 ± 19.2 |
2.13 ± 0.36 |
| VC |
57.9 ± 13.1 |
409.0 ± 20.9 |
2.13 ± 0.36 |
| MX1 |
60.0 ± 13.7 |
412.5 ± 21.0 |
2.13 ± 0.36 |
| MX2 |
57.3 ± 15.1 |
397.7 ± 20.4 |
2.13 ± 0.36 |
| MX3 |
55.7 ± 13.3 |
402.1 ± 20.5 |
2.13 ± 0.36 |
| RH08 |
70.9 ± 12.7 |
433.1 ± 22.4 |
2.13 ± 0.36 |
| RH09 |
71.9 ± 12.9 |
433.4 ± 22.4 |
2.13 ± 0.36 |
| RH10 |
71.9 ± 12.9 |
433.4 ± 22.4 |
2.13 ± 0.36 |
| Average |
61.8 |
412.2 |
2.13 |
| Median |
60.0 |
412.5 |
2.13 |
| Deviation |
8.7 |
20.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
92.4 ± 6.0 |
17.7 ± 0.5 |
24.7 ± 1.9 |
47.9 ± 1.6 |
5.22 ± 0.47 |
1.93 ± 0.18 |
| VC |
95.5 ± 7.2 |
14.0 ± 0.4 |
19.9 ± 1.5 |
49.1 ± 1.6 |
6.85 ± 0.69 |
1.95 ± 0.20 |
| MX1 |
95.4 ± 7.3 |
13.1 ± 0.4 |
18.8 ± 1.4 |
49.4 ± 1.6 |
7.30 ± 0.74 |
1.94 ± 0.20 |
| MX2 |
94.3 ± 7.4 |
14.2 ± 0.4 |
20.3 ± 1.5 |
49.1 ± 1.6 |
6.64 ± 0.68 |
1.93 ± 0.20 |
| MX3 |
95.6 ± 7.1 |
14.9 ± 0.4 |
21.1 ± 1.6 |
48.9 ± 1.6 |
6.44 ± 0.64 |
1.96 ± 0.20 |
| RH8 |
92.9 ± 7.3 |
8.4 ± 0.2 |
12.3 ± 0.9 |
50.4 ± 1.6 |
11.07 ± 1.14 |
1.85 ± 0.20 |
| RH9 |
92.3 ± 7.3 |
8.0 ± 0.2 |
11.7 ± 0.9 |
50.5 ± 1.6 |
11.62 ± 1.20 |
1.83 ± 0.20 |
| RH10 |
92.3 ± 7.3 |
8.0 ± 0.2 |
11.7 ± 0.9 |
50.5 ± 1.6 |
11.62 ± 1.20 |
1.83 ± 0.20 |
| Average |
93.8 |
12.3 |
17.6 |
49.5 |
8.3 |
1.9 |
| Median |
94.3 |
14.0 |
19.9 |
49.4 |
7.3 |
1.9 |
| Deviation |
1.5 |
3.7 |
5.0 |
0.9 |
2.6 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
48.0 ± 7.8 |
21.4 ± 1.0 |
28.6 ± 2.5 |
58.4 ± 2.5 |
2.25 ± 0.39 |
0.82 ± 0.10 |
| VC |
48.8 ± 8.2 |
16.8 ± 0.8 |
23.1 ± 2.1 |
59.8 ± 2.5 |
2.90 ± 0.51 |
0.81 ± 0.11 |
| MX1 |
48.7 ± 8.3 |
15.8 ± 0.7 |
21.8 ± 1.9 |
60.1 ± 2.5 |
3.09 ± 0.55 |
0.81 ± 0.11 |
| MX2 |
48.0 ± 7.6 |
17.2 ± 0.8 |
23.5 ± 2.1 |
59.7 ± 2.5 |
2.80 ± 0.46 |
0.80 ± 0.10 |
| MX3 |
49.0 ± 7.8 |
17.9 ± 0.8 |
24.5 ± 2.2 |
59.5 ± 2.5 |
2.73 ± 0.46 |
0.82 ± 0.10 |
| RH8 |
47.3 ± 9.8 |
10.1 ± 0.5 |
14.3 ± 1.3 |
61.3 ± 2.6 |
4.67 ± 1.01 |
0.77 ± 0.13 |
| RH9 |
47.0 ± 9.8 |
9.6 ± 0.4 |
13.5 ± 1.2 |
61.4 ± 2.6 |
4.90 ± 1.07 |
0.76 ± 0.13 |
| RH10 |
47.0 ± 9.8 |
9.6 ± 0.4 |
13.5 ± 1.2 |
61.4 ± 2.6 |
4.90 ± 1.07 |
0.76 ± 0.13 |
| Average |
48.0 |
14.8 |
20.4 |
60.2 |
3.5 |
0.8 |
| Median |
48.0 |
16.8 |
23.1 |
60.1 |
3.1 |
0.8 |
| Deviation |
0.8 |
4.5 |
5.8 |
1.1 |
1.1 |
0.0 |
Survey interval (About, Top)
Selected
data (About, Top)
|
Key plasma parameters
|
Velocity
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
Theta Bn (About, Top)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
