Database: Wind Shock Analysis
Event ID: 20082260251
Observation time: 08/13/2008 226.11880 0251 [UT]
|
|
General
Information (About, Top)
| Year |
2008 |
| Fractional day of year |
226.118802 |
| Arrival time of shock [seconds of day] |
10264.5 ± 30.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
210.595 |
| Y GSE location of spacecraft [Re] |
-88.189 |
| Z GSE location of spacecraft [Re] |
-8.356 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0159 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0145 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.66, 2.07, 2.33 |
Event added to database
|
Wed Sep 25 11:25:18 2013
|
Event last processed
|
Wed Sep 25 17:15:17 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
57.471 ± 13.894
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-514.3 ± 4.6 |
-548.1 ± 1.3 |
| Vy GSE [km/s] |
-9.4 ± 2.5 |
-12.8 ± 0.6 |
| Vz GSE [km/s] |
-42.3 ± 2.2 |
-11.7 ± 1.7 |
| Wi [km/s] |
29.3 ± 3.8 |
40.9 ± 1.8 |
| We [km/s] |
926.3 ± 120.6 |
1294.8 ± 56.1 |
| Ni [n/cc] |
1.6 ± 0.4 |
2.6 ± 0.2 |
| Bx GSE [nT] |
2.1 ± 0.4 |
-2.1 ± 0.4 |
| By GSE [nT] |
-0.7 ± 0.3 |
-1.3 ± 0.1 |
| Bz GSE [nT] |
-2.4 ± 0.2 |
1.0 ± 0.1 |
Plasma Beta
|
0.278 ± 0.227
|
1.381 ± 1.370
|
Sound Speed [km/s]
|
37.81 ± 4.92
|
52.86 ± 2.29
|
Alfven Speed [km/s]
|
57.52 ± 6.43
|
36.16 ± 5.86
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.199 ± 0.070 |
-0.890 ± 0.029 |
-0.410 ± 0.386 |
-24.23 ± 3.56 |
257.42 ± 4.46 |
| VC |
-0.738 ± 0.044 |
-0.072 ± 0.047 |
0.671 ± 0.545 |
42.15 ± 3.73 |
185.55 ± 3.65 |
| MX1 |
-0.670 ± 0.832 |
-0.698 ± 0.800 |
-0.251 ± 0.246 |
-14.55 ± 13.81 |
226.16 ± 68.23 |
| MX2 |
-0.237 ± 0.098 |
-0.862 ± 0.055 |
-0.449 ± 0.416 |
-26.67 ± 6.44 |
254.63 ± 6.45 |
| MX3 |
-0.758 ± 0.277 |
-0.252 ± 0.692 |
-0.601 ± 0.515 |
-36.96 ± 15.59 |
198.35 ± 52.12 |
| RH08 |
-0.580 ± 0.050 |
0.553 ± 0.052 |
-0.598 ± 0.514 |
-36.71 ± 3.07 |
136.38 ± 4.62 |
| RH09 |
-0.580 ± 0.050 |
0.553 ± 0.051 |
-0.598 ± 0.514 |
-36.71 ± 3.03 |
136.38 ± 4.57 |
| RH10 |
-0.580 ± 0.049 |
0.553 ± 0.050 |
-0.598 ± 0.514 |
-36.71 ± 3.00 |
136.38 ± 4.50 |
| Average |
-0.543 |
-0.139 |
-0.354 |
-21.299 |
191.406 |
| Median |
-0.580 |
-0.072 |
-0.449 |
-26.671 |
198.353 |
| Deviation |
0.213 |
0.638 |
0.433 |
26.903 |
51.726 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
68.5 ± 7.5 |
123.2 ± 1.9 |
1.57 ± 0.29 |
| VC |
18.0 ± 7.3 |
458.9 ± 35.5 |
1.57 ± 0.29 |
| MX1 |
84.5 ± 7.5 |
402.8 ± 15.2 |
1.57 ± 0.29 |
| MX2 |
68.7 ± 7.6 |
143.9 ± 1.9 |
1.57 ± 0.29 |
| MX3 |
89.7 ± 5.8 |
437.0 ± 8.0 |
1.57 ± 0.29 |
| RH08 |
86.8 ± 1.5 |
317.2 ± 1.2 |
1.57 ± 0.29 |
| RH09 |
86.8 ± 1.5 |
317.2 ± 1.2 |
1.57 ± 0.29 |
| RH10 |
86.8 ± 1.5 |
317.2 ± 5.4 |
1.57 ± 0.29 |
| Average |
73.7 |
314.7 |
1.57 |
| Median |
86.8 |
317.2 |
1.57 |
| Deviation |
24.0 |
125.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-4.7 ± 2.7 |
11.6 ± 0.8 |
21.0 ± 2.4 |
68.1 ± 4.4 |
-0.40 ± 0.22 |
-0.07 ± 0.04 |
| VC |
107.1 ± 4.4 |
34.5 ± 3.6 |
54.7 ± 6.1 |
59.7 ± 5.5 |
3.14 ± 0.42 |
1.80 ± 0.16 |
| MX1 |
40.9 ± 4.4 |
3.0 ± 0.2 |
5.6 ± 0.6 |
69.0 ± 4.4 |
13.63 ± 2.08 |
0.59 ± 0.08 |
| MX2 |
-5.0 ± 2.8 |
11.5 ± 0.8 |
20.9 ± 2.3 |
68.1 ± 4.4 |
-0.44 ± 0.23 |
-0.07 ± 0.04 |
| MX3 |
19.2 ± 3.7 |
0.2 ± 0.0 |
0.3 ± 0.0 |
69.1 ± 4.4 |
106.48 ± 24.98 |
0.28 ± 0.06 |
| RH8 |
-1.3 ± 2.0 |
1.8 ± 0.1 |
3.3 ± 0.4 |
69.1 ± 4.4 |
-0.72 ± 1.17 |
-0.02 ± 0.03 |
| RH9 |
-1.3 ± 2.0 |
1.8 ± 0.1 |
3.3 ± 0.4 |
69.1 ± 4.4 |
-0.72 ± 1.17 |
-0.02 ± 0.03 |
| RH10 |
-1.3 ± 2.0 |
1.8 ± 0.1 |
3.3 ± 0.4 |
69.1 ± 4.4 |
-0.72 ± 1.17 |
-0.02 ± 0.03 |
| Average |
19.2 |
8.3 |
14.0 |
67.7 |
15.0 |
0.3 |
| Median |
-1.3 |
3.0 |
5.6 |
69.1 |
-0.4 |
-0.0 |
| Deviation |
38.9 |
11.5 |
18.4 |
3.2 |
37.3 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-1.9 ± 0.3 |
11.0 ± 1.1 |
13.2 ± 2.1 |
63.3 ± 2.1 |
-0.18 ± 0.04 |
-0.03 ± 0.01 |
| VC |
61.4 ± 1.7 |
32.9 ± 4.5 |
34.4 ± 5.6 |
55.1 ± 1.2 |
1.90 ± 0.32 |
1.12 ± 0.04 |
| MX1 |
23.5 ± 0.6 |
2.9 ± 0.3 |
3.5 ± 0.6 |
64.2 ± 2.2 |
8.30 ± 1.03 |
0.37 ± 0.02 |
| MX2 |
-2.3 ± 0.3 |
10.9 ± 1.1 |
13.1 ± 2.1 |
63.3 ± 2.1 |
-0.21 ± 0.05 |
-0.04 ± 0.01 |
| MX3 |
11.1 ± 1.0 |
0.2 ± 0.0 |
0.2 ± 0.0 |
64.2 ± 2.3 |
65.01 ± 8.70 |
0.17 ± 0.02 |
| RH8 |
-0.7 ± 1.3 |
1.7 ± 0.2 |
2.0 ± 0.3 |
64.2 ± 2.2 |
-0.45 ± 0.82 |
-0.01 ± 0.02 |
| RH9 |
-0.7 ± 1.3 |
1.7 ± 0.2 |
2.0 ± 0.3 |
64.2 ± 2.2 |
-0.45 ± 0.82 |
-0.01 ± 0.02 |
| RH10 |
-0.7 ± 1.3 |
1.7 ± 0.2 |
2.0 ± 0.3 |
64.2 ± 2.2 |
-0.45 ± 0.82 |
-0.01 ± 0.02 |
| Average |
11.2 |
7.9 |
8.8 |
62.8 |
9.2 |
0.2 |
| Median |
-0.7 |
2.9 |
3.5 |
64.2 |
-0.2 |
-0.0 |
| Deviation |
22.2 |
11.0 |
11.5 |
3.2 |
22.8 |
0.4 |
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)
| 
