Database: Wind Shock Analysis
Event ID: 20092770317
Observation time: 10/04/2009 277.13731 0317 [UT]
|
|
General
Information (About, Top)
| Year |
2009 |
| Fractional day of year |
277.137309 |
| Arrival time of shock [seconds of day] |
11863.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
209.240 |
| Y GSE location of spacecraft [Re] |
91.049 |
| Z GSE location of spacecraft [Re] |
-5.506 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0175 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0221 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.62, 19.24, 24.39 |
Event added to database
|
Wed Sep 25 10:17:31 2013
|
Event last processed
|
Wed Sep 25 10:59:07 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
56.283 ± 1.804
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-307.7 ± 0.8 |
-347.3 ± 1.9 |
| Vy GSE [km/s] |
-15.5 ± 1.1 |
-15.1 ± 2.5 |
| Vz GSE [km/s] |
4.3 ± 2.4 |
-10.6 ± 2.8 |
| Wi [km/s] |
16.7 ± 0.5 |
22.8 ± 0.8 |
| We [km/s] |
527.9 ± 16.1 |
719.4 ± 26.4 |
| Ni [n/cc] |
8.1 ± 0.2 |
17.1 ± 1.2 |
| Bx GSE [nT] |
1.1 ± 0.1 |
0.8 ± 0.4 |
| By GSE [nT] |
-2.7 ± 0.4 |
-5.2 ± 0.4 |
| Bz GSE [nT] |
0.6 ± 0.2 |
-2.6 ± 1.5 |
Plasma Beta
|
0.552 ± 0.595
|
0.516 ± 0.482
|
Sound Speed [km/s]
|
21.55 ± 0.66
|
29.37 ± 1.08
|
Alfven Speed [km/s]
|
22.89 ± 3.34
|
32.01 ± 2.28
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.523 ± 0.244 |
0.703 ± 0.188 |
-0.482 ± 0.440 |
-28.79 ± 8.23 |
126.62 ± 19.63 |
| VC |
-0.936 ± 0.028 |
0.010 ± 0.060 |
-0.351 ± 0.336 |
-20.53 ± 4.62 |
179.38 ± 3.66 |
| MX1 |
-0.765 ± 0.175 |
0.565 ± 0.236 |
-0.308 ± 0.298 |
-17.96 ± 2.78 |
143.53 ± 17.70 |
| MX2 |
-0.933 ± 0.049 |
0.321 ± 0.141 |
-0.164 ± 0.162 |
-9.41 ± 3.09 |
161.00 ± 8.67 |
| MX3 |
-0.970 ± 0.028 |
0.223 ± 0.118 |
-0.098 ± 0.098 |
-5.64 ± 3.89 |
167.05 ± 6.94 |
| RH08 |
-0.986 ± 0.002 |
0.043 ± 0.014 |
-0.162 ± 0.161 |
-9.32 ± 0.82 |
177.49 ± 0.80 |
| RH09 |
-0.477 ± 0.053 |
0.753 ± 0.039 |
-0.453 ± 0.419 |
-26.91 ± 3.24 |
122.34 ± 3.88 |
| RH10 |
-0.496 ± 0.060 |
0.754 ± 0.046 |
-0.430 ± 0.401 |
-25.48 ± 4.00 |
123.34 ± 4.41 |
| Average |
-0.761 |
0.422 |
-0.306 |
-18.006 |
150.094 |
| Median |
-0.765 |
0.565 |
-0.308 |
-17.962 |
161.002 |
| Deviation |
0.227 |
0.312 |
0.148 |
8.943 |
24.185 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
21.2 ± 3.2 |
202.9 ± 0.6 |
2.08 ± 0.16 |
| VC |
64.4 ± 3.2 |
368.6 ± 0.9 |
2.08 ± 0.16 |
| MX1 |
30.6 ± 3.2 |
293.0 ± 0.6 |
2.08 ± 0.16 |
| MX2 |
47.9 ± 3.3 |
358.1 ± 0.8 |
2.08 ± 0.16 |
| MX3 |
54.4 ± 3.4 |
371.8 ± 0.9 |
2.08 ± 0.16 |
| RH08 |
63.9 ± 3.3 |
381.5 ± 1.0 |
2.08 ± 0.16 |
| RH09 |
17.4 ± 3.2 |
183.7 ± 0.6 |
2.08 ± 0.16 |
| RH10 |
16.8 ± 3.2 |
190.4 ± 3.5 |
2.08 ± 0.16 |
| Average |
39.6 |
293.7 |
2.08 |
| Median |
47.9 |
358.1 |
2.08 |
| Deviation |
20.4 |
88.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
55.1 ± 0.7 |
17.5 ± 1.1 |
21.3 ± 3.1 |
26.1 ± 2.7 |
3.15 ± 0.17 |
2.12 ± 0.18 |
| VC |
82.1 ± 0.8 |
6.9 ± 0.5 |
9.9 ± 1.4 |
30.7 ± 2.8 |
11.91 ± 0.82 |
2.69 ± 0.22 |
| MX1 |
67.8 ± 0.4 |
15.4 ± 1.0 |
19.7 ± 2.9 |
27.5 ± 2.7 |
4.41 ± 0.28 |
2.49 ± 0.21 |
| MX2 |
76.8 ± 0.5 |
11.2 ± 0.8 |
15.4 ± 2.2 |
29.4 ± 2.7 |
6.88 ± 0.48 |
2.63 ± 0.23 |
| MX3 |
77.3 ± 0.6 |
9.5 ± 0.7 |
13.3 ± 1.9 |
30.0 ± 2.7 |
8.14 ± 0.58 |
2.59 ± 0.22 |
| RH8 |
79.6 ± 0.7 |
7.0 ± 0.5 |
10.1 ± 1.5 |
30.7 ± 2.8 |
11.34 ± 0.81 |
2.61 ± 0.22 |
| RH9 |
50.6 ± 0.6 |
18.4 ± 1.1 |
21.8 ± 3.2 |
25.6 ± 2.7 |
2.76 ± 0.14 |
1.99 ± 0.17 |
| RH10 |
51.3 ± 0.6 |
18.5 ± 1.1 |
21.9 ± 3.2 |
25.5 ± 2.7 |
2.78 ± 0.14 |
2.03 ± 0.18 |
| Average |
67.6 |
13.1 |
16.7 |
28.2 |
6.4 |
2.4 |
| Median |
76.8 |
15.4 |
19.7 |
29.4 |
6.9 |
2.6 |
| Deviation |
13.4 |
5.0 |
5.2 |
2.3 |
3.8 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
26.9 ± 2.8 |
24.2 ± 0.5 |
29.8 ± 2.1 |
36.1 ± 1.3 |
1.11 ± 0.12 |
0.75 ± 0.08 |
| VC |
39.8 ± 1.9 |
9.6 ± 0.2 |
13.8 ± 1.0 |
42.4 ± 1.3 |
4.16 ± 0.26 |
0.94 ± 0.06 |
| MX1 |
32.6 ± 2.3 |
21.3 ± 0.5 |
27.5 ± 2.0 |
37.9 ± 1.3 |
1.53 ± 0.12 |
0.86 ± 0.07 |
| MX2 |
37.3 ± 2.0 |
15.5 ± 0.4 |
21.5 ± 1.5 |
40.6 ± 1.3 |
2.41 ± 0.16 |
0.92 ± 0.06 |
| MX3 |
37.4 ± 1.9 |
13.2 ± 0.3 |
18.6 ± 1.3 |
41.4 ± 1.3 |
2.84 ± 0.19 |
0.90 ± 0.06 |
| RH8 |
38.1 ± 1.9 |
9.7 ± 0.2 |
14.1 ± 1.0 |
42.4 ± 1.3 |
3.92 ± 0.25 |
0.90 ± 0.06 |
| RH9 |
24.6 ± 2.8 |
25.3 ± 0.5 |
30.5 ± 2.2 |
35.3 ± 1.3 |
0.97 ± 0.11 |
0.70 ± 0.08 |
| RH10 |
24.9 ± 2.8 |
25.5 ± 0.5 |
30.6 ± 2.2 |
35.2 ± 1.3 |
0.98 ± 0.11 |
0.71 ± 0.08 |
| Average |
32.7 |
18.0 |
23.3 |
38.9 |
2.2 |
0.8 |
| Median |
37.3 |
21.3 |
27.5 |
40.6 |
2.4 |
0.9 |
| Deviation |
6.4 |
6.8 |
7.2 |
3.1 |
1.3 |
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)
| 
