Database: Wind Shock Analysis
Event ID: 20180080602
Observation time: 01/08/2018 8.25172 0602 [UT]
|
|
General
Information (About, Top)
| Year |
2018 |
| Fractional day of year |
8.251719 |
| Arrival time of shock [seconds of day] |
21748.5 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
205.874 |
| Y GSE location of spacecraft [Re] |
92.115 |
| Z GSE location of spacecraft [Re] |
-7.269 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0217 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0242 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.05, 14.32, 14.78 |
Event added to database
|
Tue Feb 20 10:38:18 2018
|
Event last processed
|
Fri Apr 20 10:11:48 2018
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
47.082 ± 8.487
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-305.7 ± 2.7 |
-339.6 ± 2.9 |
| Vy GSE [km/s] |
-13.7 ± 4.6 |
-6.1 ± 2.2 |
| Vz GSE [km/s] |
-25.5 ± 4.8 |
-52.4 ± 2.2 |
| Wi [km/s] |
19.1 ± 0.9 |
26.4 ± 1.1 |
| We [km/s] |
605.0 ± 27.3 |
835.0 ± 34.9 |
| Ni [n/cc] |
21.1 ± 0.9 |
45.4 ± 1.8 |
| Bx GSE [nT] |
0.2 ± 0.3 |
-2.0 ± 1.7 |
| By GSE [nT] |
-6.4 ± 0.5 |
-12.9 ± 1.0 |
| Bz GSE [nT] |
6.2 ± 0.7 |
5.1 ± 1.5 |
Plasma Beta
|
0.206 ± 0.185
|
0.334 ± 0.345
|
Sound Speed [km/s]
|
24.70 ± 1.12
|
34.09 ± 1.42
|
Alfven Speed [km/s]
|
42.42 ± 2.39
|
45.91 ± 2.17
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.269 ± 0.177 |
0.351 ± 0.174 |
-0.897 ± 0.492 |
-63.78 ± 10.80 |
127.45 ± 23.61 |
| VC |
-0.774 ± 0.086 |
0.167 ± 0.096 |
-0.610 ± 0.520 |
-37.61 ± 8.04 |
167.85 ± 6.94 |
| MX1 |
-0.693 ± 0.152 |
0.314 ± 0.145 |
-0.649 ± 0.537 |
-40.47 ± 13.56 |
155.62 ± 10.81 |
| MX2 |
-0.702 ± 0.104 |
0.315 ± 0.112 |
-0.639 ± 0.533 |
-39.71 ± 9.15 |
155.84 ± 8.46 |
| MX3 |
-0.720 ± 0.101 |
0.316 ± 0.110 |
-0.618 ± 0.524 |
-38.15 ± 9.09 |
156.33 ± 8.19 |
| RH08 |
-0.837 ± 0.014 |
0.202 ± 0.028 |
-0.508 ± 0.459 |
-30.56 ± 1.38 |
166.46 ± 1.90 |
| RH09 |
-0.980 ± 0.014 |
0.026 ± 0.071 |
-0.196 ± 0.193 |
-11.28 ± 3.96 |
178.50 ± 4.14 |
| RH10 |
-0.983 ± 0.013 |
0.026 ± 0.071 |
-0.184 ± 0.182 |
-10.62 ± 4.00 |
178.50 ± 4.11 |
| Average |
-0.745 |
0.214 |
-0.538 |
-34.023 |
160.818 |
| Median |
-0.720 |
0.314 |
-0.610 |
-37.614 |
166.462 |
| Deviation |
0.225 |
0.132 |
0.241 |
17.180 |
16.438 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
28.5 ± 3.5 |
167.2 ± 0.7 |
2.16 ± 0.11 |
| VC |
55.9 ± 1.3 |
332.2 ± 0.7 |
2.16 ± 0.11 |
| MX1 |
46.3 ± 1.3 |
305.1 ± 0.7 |
2.16 ± 0.11 |
| MX2 |
46.8 ± 1.3 |
307.8 ± 0.7 |
2.16 ± 0.11 |
| MX3 |
47.9 ± 1.3 |
312.8 ± 0.7 |
2.16 ± 0.11 |
| RH08 |
58.9 ± 1.3 |
347.7 ± 0.7 |
2.16 ± 0.11 |
| RH09 |
79.8 ± 1.8 |
377.0 ± 0.8 |
2.16 ± 0.11 |
| RH10 |
80.2 ± 1.8 |
376.8 ± 5.6 |
2.16 ± 0.11 |
| Average |
55.5 |
315.8 |
2.16 |
| Median |
55.9 |
332.2 |
2.16 |
| Deviation |
17.6 |
66.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
67.0 ± 2.2 |
20.7 ± 0.8 |
37.3 ± 2.1 |
44.5 ± 2.1 |
3.25 ± 0.15 |
1.51 ± 0.11 |
| VC |
82.2 ± 1.4 |
12.3 ± 0.4 |
23.8 ± 1.3 |
47.5 ± 2.0 |
6.67 ± 0.20 |
1.73 ± 0.07 |
| MX1 |
81.1 ± 1.0 |
15.5 ± 0.5 |
29.3 ± 1.6 |
46.6 ± 2.0 |
5.23 ± 0.16 |
1.74 ± 0.07 |
| MX2 |
81.3 ± 1.0 |
15.4 ± 0.5 |
29.0 ± 1.6 |
46.6 ± 2.0 |
5.30 ± 0.16 |
1.75 ± 0.07 |
| MX3 |
81.3 ± 1.0 |
15.0 ± 0.5 |
28.5 ± 1.6 |
46.8 ± 2.0 |
5.42 ± 0.17 |
1.74 ± 0.07 |
| RH8 |
81.6 ± 1.3 |
11.3 ± 0.4 |
21.9 ± 1.2 |
47.8 ± 1.9 |
7.22 ± 0.21 |
1.71 ± 0.06 |
| RH9 |
72.7 ± 2.0 |
3.8 ± 0.1 |
7.5 ± 0.4 |
49.0 ± 1.9 |
19.13 ± 0.62 |
1.48 ± 0.04 |
| RH10 |
72.1 ± 2.1 |
3.6 ± 0.1 |
7.2 ± 0.4 |
49.0 ± 1.9 |
19.85 ± 0.66 |
1.47 ± 0.04 |
| Average |
77.4 |
12.2 |
23.1 |
47.2 |
9.0 |
1.6 |
| Median |
81.3 |
15.0 |
28.5 |
47.5 |
6.7 |
1.7 |
| Deviation |
5.9 |
5.9 |
10.7 |
1.4 |
6.6 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
31.1 ± 1.0 |
27.4 ± 0.9 |
40.4 ± 1.9 |
50.2 ± 1.8 |
1.14 ± 0.04 |
0.62 ± 0.03 |
| VC |
38.2 ± 1.5 |
15.9 ± 0.5 |
25.7 ± 1.2 |
54.9 ± 1.8 |
2.40 ± 0.15 |
0.70 ± 0.04 |
| MX1 |
37.7 ± 1.4 |
20.2 ± 0.6 |
31.7 ± 1.5 |
53.5 ± 1.8 |
1.87 ± 0.11 |
0.71 ± 0.04 |
| MX2 |
37.9 ± 1.5 |
20.0 ± 0.6 |
31.4 ± 1.5 |
53.6 ± 1.8 |
1.90 ± 0.12 |
0.71 ± 0.04 |
| MX3 |
37.8 ± 1.5 |
19.5 ± 0.6 |
30.8 ± 1.5 |
53.8 ± 1.8 |
1.94 ± 0.12 |
0.70 ± 0.05 |
| RH8 |
37.9 ± 1.9 |
14.6 ± 0.4 |
23.7 ± 1.1 |
55.3 ± 1.8 |
2.60 ± 0.19 |
0.69 ± 0.05 |
| RH9 |
33.9 ± 2.5 |
4.9 ± 0.1 |
8.2 ± 0.4 |
57.0 ± 1.8 |
6.97 ± 0.68 |
0.60 ± 0.06 |
| RH10 |
33.6 ± 2.6 |
4.7 ± 0.1 |
7.8 ± 0.4 |
57.0 ± 1.8 |
7.22 ± 0.71 |
0.59 ± 0.06 |
| Average |
36.0 |
15.9 |
25.0 |
54.4 |
3.3 |
0.7 |
| Median |
37.8 |
19.5 |
30.8 |
54.9 |
2.4 |
0.7 |
| Deviation |
2.7 |
7.8 |
11.6 |
2.2 |
2.4 |
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 Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
