Database: Wind Shock Analysis
Event ID: 20070422001
Observation time: 02/11/2007 42.83439 2001 [UT]
|
|
General
Information (About, Top)
| Year |
2007 |
| Fractional day of year |
42.834392 |
| Arrival time of shock [seconds of day] |
72091.5 ± 30.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
218.962 |
| Y GSE location of spacecraft [Re] |
-99.008 |
| Z GSE location of spacecraft [Re] |
0.643 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0176 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0159 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.30, 47.91, 52.28 |
Event added to database
|
Thu Sep 26 09:36:21 2013
|
Event last processed
|
Fri Sep 27 09:52:35 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
38.904 ± 1.393
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-279.8 ± 2.6 |
-309.9 ± 4.5 |
| Vy GSE [km/s] |
-52.0 ± 2.1 |
-22.2 ± 6.8 |
| Vz GSE [km/s] |
-2.6 ± 1.5 |
-9.6 ± 6.8 |
| Wi [km/s] |
19.3 ± 2.3 |
21.8 ± 3.0 |
| We [km/s] |
609.3 ± 73.0 |
689.7 ± 95.2 |
| Ni [n/cc] |
1.7 ± 0.3 |
4.3 ± 1.3 |
| Bx GSE [nT] |
3.7 ± 0.1 |
2.8 ± 0.2 |
| By GSE [nT] |
-4.1 ± 0.1 |
-3.1 ± 0.2 |
| Bz GSE [nT] |
1.1 ± 0.2 |
0.2 ± 0.6 |
Plasma Beta
|
0.043 ± 0.034
|
0.269 ± 0.302
|
Sound Speed [km/s]
|
24.88 ± 2.98
|
28.16 ± 3.89
|
Alfven Speed [km/s]
|
96.58 ± 9.19
|
46.53 ± 13.34
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.616 ± 0.534 |
0.573 ± 0.550 |
0.541 ± 0.481 |
32.73 ± 44.68 |
137.05 ± 43.61 |
| VC |
-0.710 ± 0.052 |
0.692 ± 0.053 |
-0.134 ± 0.133 |
-7.70 ± 9.54 |
135.72 ± 4.13 |
| MX1 |
-0.864 ± 0.398 |
-0.466 ± 0.711 |
0.191 ± 0.188 |
10.99 ± 38.11 |
208.32 ± 46.95 |
| MX2 |
-0.635 ± 0.497 |
0.440 ± 0.603 |
0.635 ± 0.532 |
39.43 ± 33.69 |
145.26 ± 50.93 |
| MX3 |
-0.660 ± 0.261 |
0.257 ± 0.460 |
0.706 ± 0.555 |
44.93 ± 16.78 |
158.75 ± 39.43 |
| RH08 |
-0.746 ± 0.012 |
-0.663 ± 0.014 |
0.061 ± 0.061 |
3.52 ± 2.02 |
221.62 ± 1.05 |
| RH09 |
-0.723 ± 0.048 |
-0.689 ± 0.050 |
0.061 ± 0.061 |
3.52 ± 4.03 |
223.62 ± 3.95 |
| RH10 |
-0.733 ± 0.047 |
-0.675 ± 0.051 |
0.084 ± 0.084 |
4.81 ± 4.02 |
222.62 ± 3.99 |
| Average |
-0.711 |
-0.066 |
0.268 |
16.529 |
181.619 |
| Median |
-0.710 |
0.257 |
0.191 |
10.989 |
208.316 |
| Deviation |
0.078 |
0.611 |
0.314 |
19.592 |
40.875 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
43.9 ± 1.7 |
191.1 ± 23.8 |
2.58 ± 0.76 |
| VC |
5.1 ± 0.5 |
233.2 ± 22.7 |
2.58 ± 0.76 |
| MX1 |
78.9 ± 0.1 |
282.2 ± 10.6 |
2.58 ± 0.76 |
| MX2 |
51.8 ± 1.6 |
196.1 ± 22.9 |
2.58 ± 0.76 |
| MX3 |
60.8 ± 1.5 |
203.8 ± 21.1 |
2.58 ± 0.76 |
| RH08 |
89.7 ± 0.4 |
246.3 ± 4.6 |
2.58 ± 0.76 |
| RH09 |
87.8 ± 0.4 |
238.4 ± 3.8 |
2.58 ± 0.76 |
| RH10 |
88.5 ± 0.4 |
241.5 ± 21.3 |
2.58 ± 0.76 |
| Average |
63.3 |
229.1 |
2.58 |
| Median |
78.9 |
238.4 |
2.58 |
| Deviation |
29.5 |
30.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
50.0 ± 2.0 |
17.6 ± 1.9 |
69.6 ± 6.6 |
98.2 ± 8.5 |
2.87 ± 0.38 |
0.51 ± 0.03 |
| VC |
70.3 ± 3.4 |
24.8 ± 3.0 |
96.2 ± 9.2 |
96.6 ± 9.2 |
2.88 ± 0.42 |
0.73 ± 0.04 |
| MX1 |
16.7 ± 1.3 |
4.6 ± 0.5 |
18.6 ± 1.8 |
99.7 ± 8.0 |
3.67 ± 0.56 |
0.17 ± 0.01 |
| MX2 |
43.0 ± 1.7 |
15.0 ± 1.6 |
59.7 ± 5.7 |
98.7 ± 8.4 |
2.90 ± 0.37 |
0.44 ± 0.02 |
| MX3 |
34.4 ± 1.3 |
11.8 ± 1.2 |
47.1 ± 4.5 |
99.1 ± 8.2 |
2.95 ± 0.37 |
0.35 ± 0.02 |
| RH8 |
3.3 ± 0.9 |
0.1 ± 0.0 |
0.5 ± 0.0 |
99.9 ± 8.0 |
28.37 ± 9.65 |
0.03 ± 0.01 |
| RH9 |
0.6 ± 0.9 |
0.9 ± 0.1 |
3.8 ± 0.4 |
99.8 ± 8.0 |
0.64 ± 0.99 |
0.01 ± 0.01 |
| RH10 |
1.5 ± 0.9 |
0.6 ± 0.1 |
2.5 ± 0.2 |
99.9 ± 8.0 |
2.48 ± 1.57 |
0.01 ± 0.01 |
| Average |
27.5 |
9.4 |
37.3 |
99.0 |
5.8 |
0.3 |
| Median |
34.4 |
11.8 |
47.1 |
99.7 |
2.9 |
0.3 |
| Deviation |
26.0 |
9.2 |
36.2 |
1.1 |
9.1 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
18.2 ± 2.8 |
18.0 ± 1.7 |
33.5 ± 9.6 |
51.8 ± 11.4 |
1.03 ± 0.27 |
0.36 ± 0.03 |
| VC |
27.4 ± 8.5 |
27.9 ± 3.8 |
46.3 ± 13.3 |
46.7 ± 13.3 |
1.03 ± 0.51 |
0.59 ± 0.03 |
| MX1 |
5.9 ± 2.3 |
4.5 ± 0.3 |
8.9 ± 2.6 |
54.8 ± 10.7 |
1.32 ± 0.54 |
0.11 ± 0.06 |
| MX2 |
15.3 ± 1.5 |
15.1 ± 1.3 |
28.8 ± 8.3 |
52.8 ± 11.2 |
1.02 ± 0.20 |
0.29 ± 0.04 |
| MX3 |
11.8 ± 1.1 |
11.7 ± 1.0 |
22.7 ± 6.5 |
53.7 ± 11.0 |
1.02 ± 0.14 |
0.23 ± 0.05 |
| RH8 |
1.0 ± 2.8 |
0.1 ± 0.0 |
0.2 ± 0.1 |
55.0 ± 10.6 |
8.43 ± 25.50 |
0.02 ± 0.05 |
| RH9 |
-0.2 ± 2.9 |
0.9 ± 0.1 |
1.8 ± 0.5 |
55.0 ± 10.6 |
-0.31 ± 3.42 |
0.00 ± 0.05 |
| RH10 |
0.1 ± 2.9 |
0.6 ± 0.0 |
1.2 ± 0.4 |
55.0 ± 10.6 |
0.14 ± 5.11 |
0.01 ± 0.05 |
| Average |
9.9 |
9.9 |
17.9 |
53.1 |
1.7 |
0.2 |
| Median |
11.8 |
11.7 |
22.7 |
54.8 |
1.0 |
0.2 |
| Deviation |
10.0 |
10.1 |
17.4 |
2.8 |
2.8 |
0.2 |
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)
| 
