Database: Wind Shock Analysis
Event ID: 20073510153
Observation time: 12/17/2007 351.07870 0153 [UT]
|
|
General
Information (About, Top)
| Year |
2007 |
| Fractional day of year |
351.078698 |
| Arrival time of shock [seconds of day] |
6799.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
256.330 |
| Y GSE location of spacecraft [Re] |
10.966 |
| Z GSE location of spacecraft [Re] |
24.220 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0138 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0243 |
| Minimum chisq/dof for RH8,RH9,RH10 |
11.28, 12.86, 15.10 |
Event added to database
|
Thu Sep 26 11:51:31 2013
|
Event last processed
|
Thu Sep 26 12:36:14 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
50.553 ± 0.760
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-353.6 ± 0.8 |
-399.1 ± 4.5 |
| Vy GSE [km/s] |
-30.6 ± 1.9 |
-50.3 ± 1.7 |
| Vz GSE [km/s] |
24.5 ± 2.3 |
29.6 ± 2.4 |
| Wi [km/s] |
24.3 ± 0.2 |
33.5 ± 1.1 |
| We [km/s] |
769.5 ± 6.4 |
1060.8 ± 36.1 |
| Ni [n/cc] |
6.6 ± 0.1 |
15.5 ± 0.5 |
| Bx GSE [nT] |
-1.4 ± 0.2 |
2.3 ± 0.2 |
| By GSE [nT] |
-1.7 ± 0.1 |
-4.6 ± 0.2 |
| Bz GSE [nT] |
2.8 ± 0.0 |
5.5 ± 0.5 |
Plasma Beta
|
0.649 ± 0.640
|
0.647 ± 0.646
|
Sound Speed [km/s]
|
31.42 ± 0.26
|
43.31 ± 1.48
|
Alfven Speed [km/s]
|
30.25 ± 1.00
|
41.78 ± 1.37
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.699 ± 0.042 |
-0.313 ± 0.051 |
0.644 ± 0.535 |
40.06 ± 3.55 |
204.12 ± 3.94 |
| VC |
-0.912 ± 0.030 |
-0.397 ± 0.067 |
0.102 ± 0.102 |
5.86 ± 3.42 |
203.54 ± 4.18 |
| MX1 |
-0.726 ± 0.038 |
-0.487 ± 0.042 |
0.486 ± 0.444 |
29.08 ± 4.07 |
213.85 ± 2.93 |
| MX2 |
-0.723 ± 0.044 |
-0.590 ± 0.050 |
0.360 ± 0.344 |
21.12 ± 4.28 |
219.23 ± 3.73 |
| MX3 |
-0.714 ± 0.047 |
-0.631 ± 0.051 |
0.301 ± 0.292 |
17.53 ± 4.78 |
221.47 ± 3.88 |
| RH08 |
-0.564 ± 0.012 |
-0.826 ± 0.008 |
-0.006 ± 0.006 |
-0.32 ± 1.57 |
235.65 ± 0.84 |
| RH09 |
-0.564 ± 0.032 |
-0.826 ± 0.022 |
-0.006 ± 0.006 |
-0.32 ± 3.83 |
235.65 ± 2.23 |
| RH10 |
-0.578 ± 0.036 |
-0.815 ± 0.026 |
0.028 ± 0.028 |
1.60 ± 3.98 |
234.65 ± 2.54 |
| Average |
-0.685 |
-0.611 |
0.239 |
14.327 |
221.022 |
| Median |
-0.699 |
-0.590 |
0.301 |
17.533 |
221.471 |
| Deviation |
0.117 |
0.202 |
0.247 |
15.114 |
13.417 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
21.3 ± 2.8 |
345.1 ± 1.1 |
2.31 ± 0.02 |
| VC |
50.5 ± 3.0 |
425.7 ± 1.2 |
2.31 ± 0.02 |
| MX1 |
25.4 ± 3.0 |
362.4 ± 1.0 |
2.31 ± 0.02 |
| MX2 |
31.4 ± 2.8 |
363.5 ± 0.9 |
2.31 ± 0.02 |
| MX3 |
34.5 ± 2.7 |
360.7 ± 0.9 |
2.31 ± 0.02 |
| RH08 |
51.8 ± 2.0 |
298.2 ± 0.7 |
2.31 ± 0.02 |
| RH09 |
51.8 ± 2.0 |
298.2 ± 0.7 |
2.31 ± 0.02 |
| RH10 |
49.9 ± 2.0 |
304.8 ± 3.5 |
2.31 ± 0.02 |
| Average |
39.6 |
344.8 |
2.31 |
| Median |
49.9 |
360.7 |
2.31 |
| Deviation |
12.9 |
43.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
72.8 ± 1.3 |
24.6 ± 0.5 |
28.2 ± 0.9 |
36.0 ± 0.6 |
2.96 ± 0.04 |
2.02 ± 0.02 |
| VC |
88.6 ± 0.3 |
14.7 ± 0.3 |
19.2 ± 0.6 |
41.1 ± 0.7 |
6.03 ± 0.12 |
2.16 ± 0.04 |
| MX1 |
79.0 ± 0.7 |
23.3 ± 0.5 |
27.3 ± 0.9 |
36.9 ± 0.6 |
3.39 ± 0.06 |
2.14 ± 0.03 |
| MX2 |
81.2 ± 0.4 |
21.3 ± 0.4 |
25.8 ± 0.9 |
38.1 ± 0.7 |
3.81 ± 0.08 |
2.13 ± 0.04 |
| MX3 |
81.4 ± 0.3 |
20.3 ± 0.4 |
24.9 ± 0.8 |
38.6 ± 0.7 |
4.01 ± 0.09 |
2.11 ± 0.04 |
| RH8 |
73.6 ± 1.2 |
14.2 ± 0.3 |
18.7 ± 0.6 |
41.2 ± 0.8 |
5.17 ± 0.19 |
1.79 ± 0.06 |
| RH9 |
73.6 ± 1.2 |
14.2 ± 0.3 |
18.7 ± 0.6 |
41.2 ± 0.8 |
5.17 ± 0.19 |
1.79 ± 0.06 |
| RH10 |
74.7 ± 1.1 |
15.0 ± 0.3 |
19.5 ± 0.6 |
41.0 ± 0.7 |
5.00 ± 0.18 |
1.82 ± 0.06 |
| Average |
78.1 |
18.4 |
22.8 |
39.3 |
4.4 |
2.0 |
| Median |
79.0 |
20.3 |
24.9 |
41.0 |
5.0 |
2.1 |
| Deviation |
5.5 |
4.4 |
4.2 |
2.1 |
1.1 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
31.5 ± 3.4 |
33.9 ± 0.8 |
38.9 ± 1.3 |
49.8 ± 1.2 |
0.93 ± 0.11 |
0.63 ± 0.07 |
| VC |
38.8 ± 3.7 |
20.3 ± 0.5 |
26.6 ± 0.9 |
56.7 ± 1.4 |
1.91 ± 0.21 |
0.68 ± 0.07 |
| MX1 |
33.9 ± 3.1 |
32.1 ± 0.8 |
37.8 ± 1.2 |
50.9 ± 1.2 |
1.06 ± 0.11 |
0.67 ± 0.07 |
| MX2 |
34.8 ± 2.9 |
29.4 ± 0.7 |
35.7 ± 1.2 |
52.5 ± 1.3 |
1.19 ± 0.11 |
0.66 ± 0.06 |
| MX3 |
34.9 ± 2.7 |
28.0 ± 0.7 |
34.4 ± 1.1 |
53.3 ± 1.3 |
1.25 ± 0.12 |
0.66 ± 0.06 |
| RH8 |
31.7 ± 1.8 |
19.6 ± 0.5 |
25.8 ± 0.8 |
56.9 ± 1.4 |
1.62 ± 0.12 |
0.56 ± 0.04 |
| RH9 |
31.7 ± 1.8 |
19.6 ± 0.5 |
25.8 ± 0.8 |
56.9 ± 1.4 |
1.62 ± 0.12 |
0.56 ± 0.04 |
| RH10 |
32.2 ± 1.9 |
20.6 ± 0.5 |
26.9 ± 0.9 |
56.5 ± 1.4 |
1.56 ± 0.12 |
0.57 ± 0.04 |
| Average |
33.7 |
25.4 |
31.5 |
54.2 |
1.4 |
0.6 |
| Median |
33.9 |
28.0 |
34.4 |
56.5 |
1.6 |
0.7 |
| Deviation |
2.5 |
6.0 |
5.7 |
2.9 |
0.3 |
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)
| 
