Database: Wind Shock Analysis
Event ID: 20010981120
Observation time: 04/08/2001 98.47276 1120 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
98.472760 |
| Arrival time of shock [seconds of day] |
40846.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
2.810 |
| Y GSE location of spacecraft [Re] |
-259.077 |
| Z GSE location of spacecraft [Re] |
0.553 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0269 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0287 |
| Minimum chisq/dof for RH8,RH9,RH10 |
26.91, 35.78, 37.54 |
Event added to database
|
Mon Feb 14 11:13:20 2005
|
Event last processed
|
Mon Mar 30 20:47:08 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-18.259 ± 1.261
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-495.5 ± 7.9 |
-652.9 ± 16.8 |
| Vy GSE [km/s] |
3.1 ± 3.1 |
-46.3 ± 6.4 |
| Vz GSE [km/s] |
-51.1 ± 6.5 |
-58.1 ± 7.1 |
| Wi [km/s] |
45.9 ± 4.7 |
74.1 ± 6.9 |
| We [km/s] |
1451.5 ± 149.7 |
2344.6 ± 217.5 |
| Ni [n/cc] |
4.7 ± 0.5 |
12.5 ± 1.8 |
| Bx GSE [nT] |
2.0 ± 0.6 |
-6.3 ± 1.3 |
| By GSE [nT] |
2.7 ± 1.0 |
18.0 ± 1.1 |
| Bz GSE [nT] |
-4.6 ± 1.1 |
-1.7 ± 1.9 |
Plasma Beta
|
0.613 ± 0.637
|
0.401 ± 0.415
|
Sound Speed [km/s]
|
59.26 ± 6.11
|
95.72 ± 8.88
|
Alfven Speed [km/s]
|
59.55 ± 6.59
|
119.64 ± 10.73
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.426 ± 0.102 |
-0.393 ± 0.105 |
0.815 ± 0.552 |
54.59 ± 6.04 |
222.69 ± 11.71 |
| VC |
-0.953 ± 0.011 |
-0.300 ± 0.035 |
-0.042 ± 0.042 |
-2.41 ± 3.09 |
197.49 ± 2.08 |
| MX1 |
-0.957 ± 0.194 |
-0.279 ± 0.631 |
-0.078 ± 0.078 |
-4.47 ± 46.16 |
196.26 ± 37.75 |
| MX2 |
-0.882 ± 0.035 |
-0.471 ± 0.066 |
-0.030 ± 0.030 |
-1.70 ± 3.53 |
208.11 ± 4.26 |
| MX3 |
-0.884 ± 0.032 |
-0.461 ± 0.061 |
-0.076 ± 0.076 |
-4.35 ± 3.36 |
207.57 ± 3.96 |
| RH08 |
-0.847 ± 0.005 |
-0.481 ± 0.008 |
-0.229 ± 0.225 |
-13.24 ± 0.55 |
209.58 ± 0.55 |
| RH09 |
-0.789 ± 0.043 |
-0.504 ± 0.060 |
-0.352 ± 0.337 |
-20.61 ± 4.04 |
212.59 ± 4.23 |
| RH10 |
-0.795 ± 0.043 |
-0.509 ± 0.061 |
-0.330 ± 0.317 |
-19.25 ± 4.00 |
212.59 ± 4.29 |
| Average |
-0.817 |
-0.425 |
-0.040 |
-1.430 |
208.361 |
| Median |
-0.847 |
-0.461 |
-0.076 |
-4.355 |
209.582 |
| Deviation |
0.170 |
0.091 |
0.369 |
23.850 |
8.516 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
13.4 ± 7.7 |
296.6 ± 18.2 |
2.70 ± 0.42 |
| VC |
64.2 ± 3.1 |
738.0 ± 31.6 |
2.70 ± 0.42 |
| MX1 |
66.5 ± 3.1 |
742.3 ± 31.5 |
2.70 ± 0.42 |
| MX2 |
59.9 ± 4.3 |
696.4 ± 31.9 |
2.70 ± 0.42 |
| MX3 |
62.5 ± 4.4 |
700.4 ± 31.9 |
2.70 ± 0.42 |
| RH08 |
70.1 ± 5.4 |
684.5 ± 31.6 |
2.70 ± 0.42 |
| RH09 |
76.4 ± 6.3 |
651.5 ± 30.7 |
2.70 ± 0.42 |
| RH10 |
75.1 ± 6.3 |
655.5 ± 30.9 |
2.70 ± 0.42 |
| Average |
61.0 |
645.6 |
2.70 |
| Median |
66.5 |
696.4 |
2.70 |
| Deviation |
20.1 |
144.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
128.4 ± 3.1 |
51.2 ± 4.2 |
57.9 ± 6.4 |
66.8 ± 5.8 |
2.52 ± 0.16 |
1.93 ± 0.14 |
| VC |
264.6 ± 7.6 |
18.6 ± 1.5 |
25.9 ± 2.9 |
82.1 ± 6.8 |
14.31 ± 1.37 |
3.25 ± 0.32 |
| MX1 |
265.0 ± 7.8 |
17.0 ± 1.4 |
23.7 ± 2.6 |
82.4 ± 6.9 |
15.72 ± 1.51 |
3.24 ± 0.32 |
| MX2 |
259.5 ± 7.0 |
21.7 ± 1.8 |
29.9 ± 3.3 |
81.3 ± 6.8 |
12.04 ± 1.14 |
3.21 ± 0.31 |
| MX3 |
260.0 ± 7.2 |
19.9 ± 1.6 |
27.5 ± 3.0 |
81.8 ± 6.8 |
13.18 ± 1.26 |
3.20 ± 0.31 |
| RH8 |
254.9 ± 7.8 |
14.4 ± 1.2 |
20.2 ± 2.2 |
82.9 ± 6.9 |
17.82 ± 1.76 |
3.10 ± 0.31 |
| RH9 |
244.4 ± 8.1 |
9.9 ± 0.8 |
14.0 ± 1.6 |
83.6 ± 7.0 |
24.82 ± 2.52 |
2.95 ± 0.30 |
| RH10 |
246.1 ± 8.0 |
10.9 ± 0.9 |
15.3 ± 1.7 |
83.5 ± 7.0 |
22.84 ± 2.31 |
2.97 ± 0.31 |
| Average |
240.4 |
20.4 |
26.8 |
80.6 |
15.4 |
3.0 |
| Median |
259.5 |
18.6 |
25.9 |
82.4 |
15.7 |
3.2 |
| Deviation |
45.9 |
13.1 |
13.8 |
5.6 |
6.9 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
47.6 ± 10.9 |
88.7 ± 6.1 |
116.4 ± 10.4 |
125.2 ± 9.0 |
0.54 ± 0.13 |
0.38 ± 0.09 |
| VC |
99.5 ± 17.4 |
33.0 ± 1.4 |
52.0 ± 4.7 |
150.1 ± 6.8 |
3.02 ± 0.53 |
0.66 ± 0.11 |
| MX1 |
100.0 ± 17.4 |
30.1 ± 1.3 |
47.6 ± 4.3 |
150.7 ± 6.8 |
3.33 ± 0.58 |
0.66 ± 0.11 |
| MX2 |
97.3 ± 17.1 |
38.4 ± 1.7 |
60.1 ± 5.4 |
148.7 ± 6.8 |
2.53 ± 0.45 |
0.65 ± 0.11 |
| MX3 |
97.5 ± 17.0 |
35.2 ± 1.5 |
55.3 ± 5.0 |
149.5 ± 6.8 |
2.77 ± 0.49 |
0.65 ± 0.11 |
| RH8 |
96.2 ± 16.5 |
25.5 ± 1.1 |
40.7 ± 3.6 |
151.5 ± 6.8 |
3.77 ± 0.65 |
0.63 ± 0.10 |
| RH9 |
92.9 ± 15.8 |
17.6 ± 0.7 |
28.2 ± 2.5 |
152.6 ± 6.8 |
5.28 ± 0.90 |
0.61 ± 0.10 |
| RH10 |
93.4 ± 15.9 |
19.3 ± 0.8 |
30.8 ± 2.8 |
152.4 ± 6.8 |
4.86 ± 0.83 |
0.61 ± 0.10 |
| Average |
90.6 |
36.0 |
53.9 |
147.6 |
3.3 |
0.6 |
| Median |
97.3 |
33.0 |
52.0 |
150.7 |
3.3 |
0.7 |
| Deviation |
17.5 |
22.5 |
27.6 |
9.2 |
1.5 |
0.1 |
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)
| 
