Database: Wind Shock Analysis
Event ID: 20072932027
Observation time: 10/20/2007 293.85269 2027 [UT]
|
|
General
Information (About, Top)
| Year |
2007 |
| Fractional day of year |
293.852691 |
| Arrival time of shock [seconds of day] |
73672.5 ± 30.0 |
| Shock type |
NN |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
205.473 |
| Y GSE location of spacecraft [Re] |
84.457 |
| Z GSE location of spacecraft [Re] |
-6.427 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0168 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0148 |
| Minimum chisq/dof for RH8,RH9,RH10 |
18.64, 20.19, 23.70 |
Event added to database
|
Tue Sep 24 09:00:55 2013
|
Event last processed
|
Tue Oct 8 16:27:06 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
49.857 ± 6.402
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-598.7 ± 3.5 |
-630.9 ± 2.7 |
| Vy GSE [km/s] |
-5.0 ± 2.9 |
20.8 ± 4.2 |
| Vz GSE [km/s] |
-14.5 ± 3.1 |
-26.5 ± 2.4 |
| Wi [km/s] |
42.6 ± 2.7 |
42.7 ± 0.8 |
| We [km/s] |
1347.6 ± 87.0 |
1350.1 ± 25.8 |
| Ni [n/cc] |
1.8 ± 0.0 |
1.7 ± 0.1 |
| Bx GSE [nT] |
2.1 ± 0.1 |
-2.6 ± 0.1 |
| By GSE [nT] |
-2.2 ± 0.1 |
1.1 ± 0.4 |
| Bz GSE [nT] |
1.0 ± 0.4 |
0.8 ± 0.3 |
Plasma Beta
|
0.684 ± 0.668
|
0.702 ± 0.715
|
Sound Speed [km/s]
|
55.02 ± 3.55
|
55.12 ± 1.05
|
Alfven Speed [km/s]
|
51.80 ± 1.68
|
51.00 ± 1.68
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.349 ± 0.089 |
-0.428 ± 0.084 |
0.833 ± 0.545 |
56.45 ± 5.08 |
230.79 ± 10.08 |
| VC |
0.750 ± 0.046 |
-0.596 ± 0.053 |
0.286 ± 0.278 |
16.60 ± 6.28 |
-38.46 ± 3.75 |
| MX1 |
-0.605 ± 0.144 |
-0.751 ± 0.159 |
0.265 ± 0.258 |
15.34 ± 39.51 |
231.18 ± 6.73 |
| MX2 |
-0.282 ± 0.086 |
-0.333 ± 0.082 |
0.900 ± 0.488 |
64.13 ± 4.60 |
229.74 ± 12.37 |
| MX3 |
-0.226 ± 0.165 |
-0.137 ± 0.197 |
0.965 ± 0.344 |
74.69 ± 8.52 |
211.30 ± 46.21 |
| RH08 |
-0.538 ± 0.004 |
-0.817 ± 0.005 |
-0.207 ± 0.204 |
-11.93 ± 1.80 |
236.66 ± 0.00 |
| RH09 |
-0.536 ± 0.021 |
-0.815 ± 0.018 |
-0.218 ± 0.214 |
-12.58 ± 4.29 |
236.66 ± 1.32 |
| RH10 |
-0.529 ± 0.035 |
-0.803 ± 0.028 |
-0.274 ± 0.267 |
-15.89 ± 4.38 |
236.66 ± 2.37 |
| Average |
-0.289 |
-0.585 |
0.319 |
23.351 |
196.816 |
| Median |
-0.349 |
-0.596 |
0.286 |
16.597 |
231.180 |
| Deviation |
0.442 |
0.259 |
0.526 |
36.993 |
95.428 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
71.1 ± 6.7 |
309.7 ± 121.9 |
0.92 ± 0.04 |
| VC |
9.6 ± 2.4 |
17.9 ± 430.2 |
0.92 ± 0.04 |
| MX1 |
78.6 ± 4.3 |
391.0 ± 8.4 |
0.92 ± 0.04 |
| MX2 |
71.1 ± 6.9 |
272.1 ± 135.7 |
0.92 ± 0.04 |
| MX3 |
75.7 ± 6.9 |
205.8 ± 124.1 |
0.92 ± 0.04 |
| RH08 |
82.0 ± 2.2 |
350.4 ± 42.1 |
0.92 ± 0.04 |
| RH09 |
82.2 ± 2.1 |
349.0 ± 44.1 |
0.92 ± 0.04 |
| RH10 |
83.4 ± 2.1 |
337.3 ± 263.1 |
0.92 ± 0.04 |
| Average |
69.2 |
279.1 |
0.92 |
| Median |
78.6 |
337.3 |
0.92 |
| Deviation |
24.6 |
119.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
110.5 ± 2.9 |
12.3 ± 0.2 |
16.8 ± 0.5 |
74.6 ± 1.8 |
8.96 ± 0.15 |
1.48 ± 0.02 |
| VC |
468.3 ± 3.7 |
48.0 ± 0.6 |
51.1 ± 1.7 |
58.4 ± 2.1 |
9.75 ± 0.08 |
8.03 ± 0.28 |
| MX1 |
29.2 ± 2.1 |
7.5 ± 0.1 |
10.3 ± 0.3 |
75.3 ± 1.9 |
3.90 ± 0.24 |
0.39 ± 0.02 |
| MX2 |
114.7 ± 3.0 |
12.3 ± 0.2 |
16.8 ± 0.5 |
74.6 ± 1.8 |
9.30 ± 0.16 |
1.54 ± 0.02 |
| MX3 |
84.0 ± 3.2 |
9.4 ± 0.2 |
12.8 ± 0.4 |
75.0 ± 1.9 |
8.98 ± 0.26 |
1.12 ± 0.03 |
| RH8 |
21.3 ± 1.9 |
5.3 ± 0.1 |
7.2 ± 0.2 |
75.4 ± 1.9 |
4.05 ± 0.35 |
0.28 ± 0.03 |
| RH9 |
20.6 ± 1.9 |
5.1 ± 0.1 |
7.0 ± 0.2 |
75.5 ± 1.9 |
4.02 ± 0.37 |
0.27 ± 0.03 |
| RH10 |
12.8 ± 1.9 |
4.3 ± 0.1 |
6.0 ± 0.2 |
75.5 ± 1.9 |
2.95 ± 0.44 |
0.17 ± 0.03 |
| Average |
107.7 |
13.0 |
16.0 |
73.0 |
6.5 |
1.7 |
| Median |
84.0 |
9.4 |
12.8 |
75.3 |
9.0 |
1.1 |
| Deviation |
151.6 |
14.5 |
14.8 |
5.9 |
3.0 |
2.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
120.3 ± 1.9 |
12.3 ± 0.3 |
16.5 ± 0.5 |
74.1 ± 1.8 |
9.81 ± 0.37 |
1.62 ± 0.06 |
| VC |
511.2 ± 3.6 |
48.0 ± 1.4 |
50.3 ± 1.7 |
57.8 ± 1.3 |
10.67 ± 0.24 |
8.85 ± 0.14 |
| MX1 |
32.2 ± 1.9 |
7.5 ± 0.2 |
10.1 ± 0.3 |
74.7 ± 1.8 |
4.33 ± 0.25 |
0.43 ± 0.02 |
| MX2 |
124.9 ± 2.0 |
12.3 ± 0.3 |
16.5 ± 0.5 |
74.1 ± 1.8 |
10.19 ± 0.40 |
1.69 ± 0.06 |
| MX3 |
91.8 ± 2.5 |
9.3 ± 0.2 |
12.6 ± 0.4 |
74.5 ± 1.8 |
9.87 ± 0.51 |
1.23 ± 0.06 |
| RH8 |
22.6 ± 2.7 |
5.2 ± 0.1 |
7.1 ± 0.2 |
74.9 ± 1.8 |
4.31 ± 0.45 |
0.30 ± 0.03 |
| RH9 |
21.7 ± 2.7 |
5.1 ± 0.1 |
6.9 ± 0.2 |
74.9 ± 1.8 |
4.26 ± 0.47 |
0.29 ± 0.03 |
| RH10 |
13.2 ± 2.8 |
4.3 ± 0.1 |
5.9 ± 0.2 |
75.0 ± 1.8 |
3.05 ± 0.60 |
0.18 ± 0.03 |
| Average |
117.3 |
13.0 |
15.7 |
72.5 |
7.1 |
1.8 |
| Median |
91.8 |
9.3 |
12.6 |
74.7 |
9.8 |
1.2 |
| Deviation |
165.7 |
14.5 |
14.6 |
6.0 |
3.3 |
2.9 |
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)
| 
