Database: Wind Shock Analysis
Event ID: 20150990908
Observation time: 04/09/2015 99.38120 0908 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
99.381198 |
| Arrival time of shock [seconds of day] |
32935.5 ± 20.0 |
| Shock type |
NN |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
259.693 |
| Y GSE location of spacecraft [Re] |
-22.894 |
| Z GSE location of spacecraft [Re] |
18.186 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0172 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0167 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.27, 5.97, 6.33 |
Event added to database
|
Thu Jan 28 14:20:48 2016
|
Event last processed
|
Tue May 17 16:41:54 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
70.912 ± 2.402
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-334.4 ± 0.4 |
-349.3 ± 6.6 |
| Vy GSE [km/s] |
8.4 ± 2.6 |
3.2 ± 7.0 |
| Vz GSE [km/s] |
15.8 ± 2.4 |
36.1 ± 4.3 |
| Wi [km/s] |
32.6 ± 1.7 |
38.0 ± 2.5 |
| We [km/s] |
1030.1 ± 53.1 |
1200.7 ± 78.0 |
| Ni [n/cc] |
8.0 ± 0.4 |
11.0 ± 0.9 |
| Bx GSE [nT] |
-5.3 ± 0.3 |
-5.6 ± 1.7 |
| By GSE [nT] |
-0.4 ± 0.7 |
3.4 ± 2.0 |
| Bz GSE [nT] |
-1.8 ± 0.2 |
-2.9 ± 0.8 |
Plasma Beta
|
0.565 ± 0.571
|
0.590 ± 0.510
|
Sound Speed [km/s]
|
42.05 ± 2.17
|
49.02 ± 3.19
|
Alfven Speed [km/s]
|
43.45 ± 1.73
|
49.76 ± 1.81
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.903 ± 0.130 |
-0.315 ± 0.354 |
-0.293 ± 0.284 |
-17.03 ± 8.43 |
199.22 ± 22.43 |
| VC |
-0.604 ± 0.137 |
-0.150 ± 0.244 |
0.783 ± 0.559 |
51.54 ± 9.31 |
193.94 ± 23.01 |
| MX1 |
-0.948 ± 0.263 |
0.052 ± 0.572 |
0.315 ± 0.304 |
18.38 ± 47.54 |
176.89 ± 34.60 |
| MX2 |
-0.770 ± 0.288 |
0.079 ± 0.321 |
0.634 ± 0.531 |
39.32 ± 26.00 |
174.13 ± 23.79 |
| MX3 |
-0.624 ± 0.167 |
0.083 ± 0.280 |
0.777 ± 0.560 |
50.96 ± 12.08 |
172.46 ± 25.62 |
| RH08 |
-0.952 ± 0.011 |
0.265 ± 0.035 |
0.151 ± 0.150 |
8.68 ± 1.91 |
164.46 ± 2.11 |
| RH09 |
-0.944 ± 0.022 |
0.280 ± 0.065 |
0.173 ± 0.171 |
9.97 ± 3.64 |
163.45 ± 3.91 |
| RH10 |
-0.951 ± 0.021 |
0.264 ± 0.067 |
0.162 ± 0.161 |
9.32 ± 3.90 |
164.46 ± 4.03 |
| Average |
-0.837 |
0.070 |
0.338 |
21.394 |
176.127 |
| Median |
-0.903 |
0.083 |
0.315 |
18.380 |
174.134 |
| Deviation |
0.150 |
0.213 |
0.372 |
23.987 |
13.637 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
14.7 ± 7.0 |
328.3 ± 3.6 |
1.38 ± 0.18 |
| VC |
70.9 ± 2.4 |
311.1 ± 3.1 |
1.38 ± 0.18 |
| MX1 |
38.2 ± 3.1 |
399.4 ± 2.4 |
1.38 ± 0.18 |
| MX2 |
59.0 ± 3.0 |
361.4 ± 2.7 |
1.38 ± 0.18 |
| MX3 |
70.5 ± 3.0 |
317.3 ± 2.8 |
1.38 ± 0.18 |
| RH08 |
33.9 ± 5.3 |
382.9 ± 1.8 |
1.38 ± 0.18 |
| RH09 |
35.5 ± 5.3 |
381.6 ± 1.8 |
1.38 ± 0.18 |
| RH10 |
34.4 ± 5.3 |
383.4 ± 10.0 |
1.38 ± 0.18 |
| Average |
44.6 |
358.2 |
1.38 |
| Median |
38.2 |
381.6 |
1.38 |
| Deviation |
20.0 |
34.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
33.6 ± 1.1 |
36.8 ± 1.4 |
42.0 ± 1.7 |
48.0 ± 1.5 |
0.92 ± 0.06 |
0.70 ± 0.04 |
| VC |
98.1 ± 1.9 |
10.0 ± 0.3 |
14.2 ± 0.6 |
59.7 ± 2.0 |
9.80 ± 0.40 |
1.65 ± 0.07 |
| MX1 |
77.1 ± 0.7 |
26.3 ± 0.9 |
34.1 ± 1.4 |
54.5 ± 1.8 |
2.93 ± 0.10 |
1.42 ± 0.05 |
| MX2 |
93.4 ± 1.4 |
16.1 ± 0.6 |
22.4 ± 0.9 |
58.3 ± 1.9 |
5.79 ± 0.20 |
1.60 ± 0.06 |
| MX3 |
95.5 ± 1.7 |
10.2 ± 0.4 |
14.5 ± 0.6 |
59.6 ± 2.0 |
9.37 ± 0.34 |
1.60 ± 0.06 |
| RH8 |
59.8 ± 0.8 |
28.4 ± 1.0 |
36.1 ± 1.4 |
53.4 ± 1.7 |
2.11 ± 0.06 |
1.12 ± 0.03 |
| RH9 |
60.8 ± 0.8 |
27.6 ± 1.0 |
35.4 ± 1.4 |
53.8 ± 1.8 |
2.20 ± 0.06 |
1.13 ± 0.03 |
| RH10 |
60.6 ± 0.8 |
28.1 ± 1.0 |
35.8 ± 1.4 |
53.6 ± 1.7 |
2.16 ± 0.06 |
1.13 ± 0.03 |
| Average |
72.4 |
22.9 |
29.3 |
55.1 |
4.4 |
1.3 |
| Median |
77.1 |
27.6 |
35.4 |
54.5 |
2.9 |
1.4 |
| Deviation |
22.7 |
9.7 |
10.7 |
3.9 |
3.5 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
24.5 ± 7.0 |
42.3 ± 0.7 |
48.1 ± 1.7 |
55.7 ± 1.2 |
0.58 ± 0.16 |
0.44 ± 0.12 |
| VC |
72.4 ± 7.3 |
11.6 ± 0.2 |
16.3 ± 0.6 |
69.0 ± 1.4 |
6.27 ± 0.62 |
1.05 ± 0.10 |
| MX1 |
56.8 ± 7.1 |
30.4 ± 0.5 |
39.1 ± 1.4 |
63.0 ± 1.3 |
1.87 ± 0.23 |
0.90 ± 0.11 |
| MX2 |
69.5 ± 7.1 |
18.6 ± 0.3 |
25.6 ± 0.9 |
67.4 ± 1.3 |
3.73 ± 0.38 |
1.03 ± 0.10 |
| MX3 |
70.9 ± 6.7 |
11.8 ± 0.2 |
16.6 ± 0.6 |
68.9 ± 1.4 |
6.02 ± 0.58 |
1.03 ± 0.10 |
| RH8 |
43.9 ± 5.9 |
32.7 ± 0.6 |
41.3 ± 1.5 |
61.8 ± 1.3 |
1.34 ± 0.18 |
0.71 ± 0.09 |
| RH9 |
44.7 ± 5.9 |
31.9 ± 0.6 |
40.5 ± 1.5 |
62.2 ± 1.3 |
1.40 ± 0.18 |
0.72 ± 0.09 |
| RH10 |
44.6 ± 5.9 |
32.4 ± 0.6 |
41.1 ± 1.5 |
61.9 ± 1.3 |
1.37 ± 0.18 |
0.72 ± 0.09 |
| Average |
53.4 |
26.5 |
33.6 |
63.7 |
2.8 |
0.8 |
| Median |
56.8 |
31.9 |
40.5 |
63.0 |
1.9 |
0.9 |
| Deviation |
17.0 |
11.1 |
12.3 |
4.5 |
2.2 |
0.2 |
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 Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
