Database: Wind Shock Analysis
Event ID: 20021071101
Observation time: 04/17/2002 107.45946 1101 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
107.459462 |
| Arrival time of shock [seconds of day] |
39697.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
12.795 |
| Y GSE location of spacecraft [Re] |
200.559 |
| Z GSE location of spacecraft [Re] |
8.022 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0164 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0190 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.06, 40.99, 43.33 |
Event added to database
|
Mon Feb 14 11:19:07 2005
|
Event last processed
|
Mon Mar 30 23:01:02 2009
|
Method selected
|
MX2
|
Propagation delay to Earth [minutes]
|
3.374 ± 1.285
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-330.1 ± 0.5 |
-444.5 ± 3.5 |
| Vy GSE [km/s] |
-29.0 ± 0.4 |
-60.3 ± 3.5 |
| Vz GSE [km/s] |
-10.3 ± 2.0 |
43.4 ± 10.5 |
| Wi [km/s] |
32.9 ± 0.6 |
63.8 ± 3.6 |
| We [km/s] |
1041.2 ± 18.8 |
2018.0 ± 115.2 |
| Ni [n/cc] |
20.8 ± 0.6 |
50.3 ± 3.0 |
| Bx GSE [nT] |
4.1 ± 0.2 |
8.6 ± 2.6 |
| By GSE [nT] |
-7.7 ± 0.1 |
-24.7 ± 1.9 |
| Bz GSE [nT] |
-3.1 ± 0.4 |
6.4 ± 5.8 |
Plasma Beta
|
0.551 ± 0.530
|
0.567 ± 0.596
|
Sound Speed [km/s]
|
42.51 ± 0.77
|
82.38 ± 4.70
|
Alfven Speed [km/s]
|
44.42 ± 1.26
|
85.05 ± 5.14
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.505 ± 0.167 |
0.377 ± 0.214 |
0.776 ± 0.560 |
50.94 ± 5.37 |
143.27 ± 23.81 |
| VC |
-0.879 ± 0.032 |
-0.241 ± 0.026 |
0.412 ± 0.387 |
24.31 ± 4.48 |
195.31 ± 1.61 |
| MX1 |
-0.891 ± 0.033 |
0.047 ± 0.078 |
0.451 ± 0.417 |
26.80 ± 4.21 |
176.97 ± 5.04 |
| MX2 |
-0.934 ± 0.013 |
-0.041 ± 0.024 |
0.356 ± 0.340 |
20.84 ± 2.04 |
182.50 ± 1.47 |
| MX3 |
-0.944 ± 0.010 |
-0.064 ± 0.029 |
0.325 ± 0.313 |
18.96 ± 1.81 |
183.89 ± 1.74 |
| RH08 |
-0.914 ± 0.005 |
-0.203 ± 0.013 |
0.352 ± 0.337 |
20.61 ± 0.76 |
192.53 ± 0.83 |
| RH09 |
-0.980 ± 0.014 |
0.043 ± 0.070 |
-0.196 ± 0.193 |
-11.28 ± 3.87 |
177.49 ± 4.11 |
| RH10 |
-0.980 ± 0.014 |
0.043 ± 0.071 |
-0.196 ± 0.193 |
-11.28 ± 3.96 |
177.49 ± 4.16 |
| Average |
-0.878 |
-0.005 |
0.285 |
17.488 |
178.681 |
| Median |
-0.914 |
0.043 |
0.356 |
20.835 |
182.502 |
| Deviation |
0.155 |
0.190 |
0.329 |
20.459 |
15.901 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
37.2 ± 2.4 |
302.3 ± 13.8 |
2.45 ± 0.20 |
| VC |
70.8 ± 1.4 |
516.8 ± 10.1 |
2.45 ± 0.20 |
| MX1 |
54.1 ± 1.4 |
503.6 ± 10.3 |
2.45 ± 0.20 |
| MX2 |
60.0 ± 1.2 |
524.0 ± 9.6 |
2.45 ± 0.20 |
| MX3 |
61.7 ± 1.2 |
528.2 ± 9.4 |
2.45 ± 0.20 |
| RH08 |
69.2 ± 1.3 |
526.7 ± 9.6 |
2.45 ± 0.20 |
| RH09 |
66.0 ± 1.4 |
497.2 ± 9.5 |
2.45 ± 0.20 |
| RH10 |
66.0 ± 1.4 |
497.2 ± 9.5 |
2.45 ± 0.20 |
| Average |
60.6 |
487.0 |
2.45 |
| Median |
66.0 |
516.8 |
2.45 |
| Deviation |
10.9 |
75.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
154.5 ± 1.7 |
27.3 ± 0.4 |
35.4 ± 1.0 |
55.1 ± 0.8 |
5.67 ± 0.08 |
2.80 ± 0.04 |
| VC |
223.9 ± 1.2 |
10.2 ± 0.1 |
14.6 ± 0.4 |
60.6 ± 0.9 |
21.91 ± 0.26 |
3.69 ± 0.04 |
| MX1 |
215.4 ± 1.2 |
18.9 ± 0.2 |
26.0 ± 0.7 |
58.5 ± 0.8 |
11.40 ± 0.14 |
3.68 ± 0.05 |
| MX2 |
218.3 ± 1.1 |
15.9 ± 0.2 |
22.2 ± 0.6 |
59.4 ± 0.8 |
13.74 ± 0.17 |
3.68 ± 0.05 |
| MX3 |
218.3 ± 1.0 |
15.0 ± 0.2 |
21.1 ± 0.6 |
59.6 ± 0.8 |
14.52 ± 0.17 |
3.66 ± 0.05 |
| RH8 |
222.8 ± 1.1 |
11.1 ± 0.1 |
15.8 ± 0.4 |
60.5 ± 0.9 |
20.12 ± 0.24 |
3.68 ± 0.05 |
| RH9 |
173.0 ± 0.4 |
12.8 ± 0.2 |
18.1 ± 0.5 |
60.2 ± 0.8 |
13.55 ± 0.19 |
2.88 ± 0.04 |
| RH10 |
173.0 ± 0.4 |
12.8 ± 0.2 |
18.1 ± 0.5 |
60.2 ± 0.8 |
13.55 ± 0.19 |
2.88 ± 0.04 |
| Average |
199.9 |
15.5 |
21.4 |
59.3 |
14.3 |
3.4 |
| Median |
218.3 |
15.0 |
21.1 |
60.2 |
13.7 |
3.7 |
| Deviation |
28.1 |
5.5 |
6.7 |
1.8 |
5.0 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
66.9 ± 6.7 |
52.5 ± 2.6 |
67.7 ± 4.1 |
106.2 ± 5.2 |
1.28 ± 0.18 |
0.63 ± 0.09 |
| VC |
93.7 ± 2.0 |
19.7 ± 1.0 |
27.9 ± 1.7 |
116.8 ± 5.7 |
4.77 ± 0.29 |
0.80 ± 0.05 |
| MX1 |
90.7 ± 2.1 |
36.4 ± 1.8 |
49.8 ± 3.0 |
112.7 ± 5.5 |
2.50 ± 0.16 |
0.81 ± 0.05 |
| MX2 |
91.1 ± 1.4 |
30.6 ± 1.5 |
42.5 ± 2.6 |
114.4 ± 5.6 |
2.99 ± 0.16 |
0.80 ± 0.04 |
| MX3 |
90.9 ± 1.3 |
28.9 ± 1.4 |
40.4 ± 2.4 |
114.9 ± 5.6 |
3.15 ± 0.15 |
0.79 ± 0.04 |
| RH8 |
93.0 ± 1.5 |
21.3 ± 1.0 |
30.2 ± 1.8 |
116.5 ± 5.7 |
4.37 ± 0.23 |
0.80 ± 0.04 |
| RH9 |
72.8 ± 5.4 |
24.6 ± 1.2 |
34.6 ± 2.1 |
115.9 ± 5.6 |
2.96 ± 0.08 |
0.63 ± 0.02 |
| RH10 |
72.8 ± 5.4 |
24.6 ± 1.2 |
34.6 ± 2.1 |
115.9 ± 5.6 |
2.96 ± 0.08 |
0.63 ± 0.02 |
| Average |
84.0 |
29.8 |
41.0 |
114.2 |
3.1 |
0.7 |
| Median |
90.9 |
28.9 |
40.4 |
115.9 |
3.0 |
0.8 |
| Deviation |
11.1 |
10.6 |
12.9 |
3.5 |
1.1 |
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)
| 
