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 |
0147 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0142 |
| Minimum chisq/dof for RH8,RH9,RH10 |
18.89, 23.73, 29.73 |
Event added to database
|
Tue Sep 24 09:18:34 2013
|
Event last processed
|
Tue Sep 24 11:32:18 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
50.898 ± 0.823
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-353.6 ± 0.8 |
-396.8 ± 4.5 |
| Vy GSE [km/s] |
-30.6 ± 1.9 |
-50.6 ± 2.3 |
| Vz GSE [km/s] |
24.5 ± 2.3 |
28.3 ± 1.4 |
| Wi [km/s] |
24.3 ± 0.2 |
33.6 ± 1.0 |
| We [km/s] |
769.5 ± 6.4 |
1061.7 ± 30.4 |
| Ni [n/cc] |
6.6 ± 0.1 |
15.4 ± 0.1 |
| Bx GSE [nT] |
-1.4 ± 0.2 |
2.4 ± 0.2 |
| By GSE [nT] |
-1.7 ± 0.1 |
-4.7 ± 0.2 |
| Bz GSE [nT] |
2.8 ± 0.0 |
5.2 ± 0.4 |
Plasma Beta
|
0.649 ± 0.640
|
0.667 ± 0.649
|
Sound Speed [km/s]
|
31.42 ± 0.26
|
43.34 ± 1.24
|
Alfven Speed [km/s]
|
30.25 ± 1.00
|
41.22 ± 1.11
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.667 ± 0.035 |
-0.321 ± 0.047 |
0.673 ± 0.546 |
42.26 ± 2.64 |
205.68 ± 3.88 |
| VC |
-0.903 ± 0.035 |
-0.422 ± 0.075 |
0.080 ± 0.080 |
4.60 ± 3.00 |
205.04 ± 4.75 |
| MX1 |
-0.706 ± 0.039 |
-0.504 ± 0.040 |
0.498 ± 0.452 |
29.85 ± 4.23 |
215.56 ± 2.77 |
| MX2 |
-0.703 ± 0.039 |
-0.625 ± 0.042 |
0.338 ± 0.325 |
19.78 ± 4.25 |
221.64 ± 3.12 |
| MX3 |
-0.693 ± 0.039 |
-0.670 ± 0.040 |
0.265 ± 0.259 |
15.39 ± 4.30 |
224.06 ± 3.07 |
| RH08 |
-0.549 ± 0.011 |
-0.835 ± 0.008 |
-0.039 ± 0.039 |
-2.24 ± 1.67 |
236.66 ± 0.78 |
| RH09 |
-0.564 ± 0.032 |
-0.826 ± 0.022 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
235.65 ± 2.23 |
| RH10 |
-0.578 ± 0.036 |
-0.815 ± 0.025 |
0.028 ± 0.028 |
1.60 ± 4.10 |
234.65 ± 2.52 |
| Average |
-0.670 |
-0.627 |
0.230 |
13.865 |
222.369 |
| Median |
-0.667 |
-0.625 |
0.265 |
15.391 |
224.057 |
| Deviation |
0.114 |
0.197 |
0.260 |
16.018 |
12.872 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
19.0 ± 2.7 |
329.6 ± 0.9 |
2.31 ± 0.02 |
| VC |
51.2 ± 3.0 |
422.6 ± 1.4 |
2.31 ± 0.02 |
| MX1 |
24.1 ± 3.0 |
353.9 ± 0.9 |
2.31 ± 0.02 |
| MX2 |
32.2 ± 2.7 |
355.8 ± 0.8 |
2.31 ± 0.02 |
| MX3 |
36.3 ± 2.5 |
351.6 ± 0.8 |
2.31 ± 0.02 |
| RH08 |
53.8 ± 1.9 |
289.3 ± 0.7 |
2.31 ± 0.02 |
| RH09 |
51.8 ± 2.0 |
296.1 ± 0.7 |
2.31 ± 0.02 |
| RH10 |
49.9 ± 2.0 |
302.7 ± 2.8 |
2.31 ± 0.02 |
| Average |
39.8 |
337.7 |
2.31 |
| Median |
49.9 |
351.6 |
2.31 |
| Deviation |
13.7 |
43.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
67.5 ± 1.4 |
25.3 ± 0.5 |
28.6 ± 0.9 |
35.5 ± 0.6 |
2.67 ± 0.04 |
1.90 ± 0.03 |
| VC |
88.5 ± 0.3 |
14.5 ± 0.3 |
19.0 ± 0.6 |
41.1 ± 0.8 |
6.12 ± 0.13 |
2.15 ± 0.04 |
| MX1 |
76.8 ± 0.7 |
23.7 ± 0.5 |
27.6 ± 0.9 |
36.6 ± 0.6 |
3.24 ± 0.05 |
2.10 ± 0.03 |
| MX2 |
79.8 ± 0.3 |
21.0 ± 0.4 |
25.6 ± 0.8 |
38.2 ± 0.7 |
3.79 ± 0.08 |
2.09 ± 0.04 |
| MX3 |
79.6 ± 0.4 |
19.7 ± 0.4 |
24.4 ± 0.8 |
38.9 ± 0.7 |
4.05 ± 0.10 |
2.05 ± 0.05 |
| RH8 |
70.5 ± 1.3 |
13.5 ± 0.3 |
17.9 ± 0.6 |
41.5 ± 0.8 |
5.22 ± 0.20 |
1.70 ± 0.06 |
| RH9 |
71.4 ± 1.2 |
14.2 ± 0.3 |
18.7 ± 0.6 |
41.2 ± 0.8 |
5.02 ± 0.19 |
1.73 ± 0.06 |
| RH10 |
72.6 ± 1.1 |
15.0 ± 0.3 |
19.5 ± 0.6 |
41.0 ± 0.7 |
4.86 ± 0.17 |
1.77 ± 0.06 |
| Average |
75.8 |
18.4 |
22.7 |
39.3 |
4.4 |
1.9 |
| Median |
76.8 |
19.7 |
24.4 |
41.0 |
4.9 |
2.0 |
| Deviation |
6.7 |
4.7 |
4.4 |
2.3 |
1.1 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
29.7 ± 2.1 |
34.6 ± 0.3 |
39.0 ± 1.1 |
48.8 ± 0.4 |
0.86 ± 0.06 |
0.61 ± 0.04 |
| VC |
40.7 ± 3.3 |
19.8 ± 0.1 |
25.8 ± 0.7 |
56.5 ± 0.3 |
2.05 ± 0.17 |
0.72 ± 0.06 |
| MX1 |
34.3 ± 1.9 |
32.4 ± 0.3 |
37.6 ± 1.0 |
50.3 ± 0.3 |
1.06 ± 0.06 |
0.68 ± 0.03 |
| MX2 |
35.6 ± 1.8 |
28.8 ± 0.2 |
34.9 ± 0.9 |
52.4 ± 0.3 |
1.24 ± 0.07 |
0.68 ± 0.03 |
| MX3 |
35.3 ± 1.7 |
27.0 ± 0.2 |
33.2 ± 0.9 |
53.4 ± 0.3 |
1.31 ± 0.07 |
0.66 ± 0.03 |
| RH8 |
30.2 ± 1.3 |
18.5 ± 0.1 |
24.3 ± 0.7 |
56.9 ± 0.3 |
1.63 ± 0.08 |
0.53 ± 0.02 |
| RH9 |
30.6 ± 1.4 |
19.5 ± 0.1 |
25.5 ± 0.7 |
56.6 ± 0.3 |
1.57 ± 0.07 |
0.54 ± 0.02 |
| RH10 |
31.2 ± 1.4 |
20.5 ± 0.1 |
26.6 ± 0.7 |
56.2 ± 0.3 |
1.52 ± 0.07 |
0.55 ± 0.02 |
| Average |
33.5 |
25.1 |
30.9 |
53.9 |
1.4 |
0.6 |
| Median |
34.3 |
27.0 |
33.2 |
56.2 |
1.5 |
0.7 |
| Deviation |
3.8 |
6.4 |
6.0 |
3.1 |
0.4 |
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)
| 
