Database: Wind Shock Analysis
Event ID: 20120841107
Observation time: 03/24/2012 84.46384 1107 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
84.463837 |
| Arrival time of shock [seconds of day] |
40075.5 ± 20.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
226.979 |
| Y GSE location of spacecraft [Re] |
105.494 |
| Z GSE location of spacecraft [Re] |
5.309 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0079 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0120 |
| Minimum chisq/dof for RH8,RH9,RH10 |
33.87, Infinity, -1413.91 |
Event added to database
|
Thu Sep 19 12:28:48 2013
|
Event last processed
|
Mon Oct 7 14:08:35 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
58.144 ± 2.059
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-422.5 ± 2.9 |
-468.1 ± 1.9 |
| Vy GSE [km/s] |
23.2 ± 3.3 |
10.9 ± 0.4 |
| Vz GSE [km/s] |
-4.8 ± 1.9 |
7.5 ± 0.8 |
| Wi [km/s] |
36.5 ± 1.0 |
28.6 ± 0.2 |
| We [km/s] |
1153.0 ± 31.7 |
904.5 ± 4.9 |
| Ni [n/cc] |
7.2 ± 0.6 |
3.1 ± 0.1 |
| Bx GSE [nT] |
-2.0 ± 0.2 |
-2.2 ± 0.1 |
| By GSE [nT] |
4.8 ± 0.5 |
2.7 ± 0.0 |
| Bz GSE [nT] |
-3.2 ± 1.0 |
-1.3 ± 0.1 |
Plasma Beta
|
0.548 ± 0.511
|
0.388 ± 0.391
|
Sound Speed [km/s]
|
47.07 ± 1.30
|
36.93 ± 0.20
|
Alfven Speed [km/s]
|
49.95 ± 6.23
|
45.91 ± 0.14
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.970 ± 0.046 |
0.209 ± 0.204 |
0.123 ± 0.123 |
7.09 ± 7.25 |
167.87 ± 12.03 |
| VC |
-0.934 ± 0.016 |
-0.252 ± 0.057 |
0.252 ± 0.247 |
14.60 ± 1.40 |
195.07 ± 3.47 |
| MX1 |
-0.997 ± 0.006 |
0.076 ± 0.074 |
0.025 ± 0.025 |
1.41 ± 3.63 |
175.65 ± 4.24 |
| MX2 |
-0.993 ± 0.010 |
0.105 ± 0.091 |
0.051 ± 0.051 |
2.90 ± 2.12 |
173.97 ± 5.27 |
| MX3 |
-0.999 ± 0.003 |
0.043 ± 0.066 |
-0.003 ± 0.003 |
-0.16 ± 5.64 |
177.53 ± 3.81 |
| RH08 |
-0.992 ± 0.009 |
0.113 ± 0.068 |
-0.050 ± 0.050 |
-2.88 ± 4.06 |
173.48 ± 3.91 |
| RH09 |
-0.000 ± 0.035 |
-0.000 ± 0.000 |
-1.000 ± 0.000 |
-90.00 ± 2.00 |
0.00 ± 2.00 |
| RH10 |
0.012 ± 0.070 |
0.932 ± 0.026 |
-0.363 ± 0.346 |
-21.29 ± 4.04 |
89.25 ± 4.30 |
| Average |
-0.734 |
0.153 |
-0.121 |
-11.042 |
144.104 |
| Median |
-0.970 |
0.105 |
0.025 |
1.413 |
173.973 |
| Deviation |
0.457 |
0.342 |
0.396 |
33.509 |
66.338 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
64.4 ± 6.3 |
383.8 ± 2.5 |
0.43 ± 0.04 |
| VC |
89.6 ± 5.5 |
352.0 ± 2.1 |
0.43 ± 0.04 |
| MX1 |
67.2 ± 5.4 |
390.9 ± 2.4 |
0.43 ± 0.04 |
| MX2 |
66.7 ± 5.6 |
390.1 ± 2.5 |
0.43 ± 0.04 |
| MX3 |
67.9 ± 5.1 |
391.0 ± 2.4 |
0.43 ± 0.04 |
| RH08 |
63.1 ± 5.1 |
391.7 ± 2.4 |
0.43 ± 0.04 |
| RH09 |
59.3 ± 7.1 |
15.2 ± 0.8 |
0.43 ± 0.04 |
| RH10 |
24.4 ± 2.4 |
28.5 ± 3.7 |
0.43 ± 0.04 |
| Average |
62.8 |
292.9 |
0.43 |
| Median |
66.7 |
390.1 |
0.43 |
| Deviation |
18.0 |
167.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-30.4 ± 3.0 |
15.1 ± 1.0 |
21.6 ± 2.7 |
67.0 ± 4.9 |
-2.02 ± 0.33 |
-0.46 ± 0.08 |
| VC |
-35.8 ± 3.2 |
0.2 ± 0.0 |
0.4 ± 0.0 |
68.7 ± 5.0 |
-144.97 ± 20.98 |
-0.52 ± 0.08 |
| MX1 |
-32.0 ± 2.9 |
13.5 ± 0.9 |
19.3 ± 2.4 |
67.4 ± 4.9 |
-2.39 ± 0.37 |
-0.48 ± 0.08 |
| MX2 |
-31.8 ± 2.9 |
13.8 ± 0.9 |
19.8 ± 2.5 |
67.3 ± 4.9 |
-2.32 ± 0.36 |
-0.48 ± 0.08 |
| MX3 |
-32.2 ± 2.9 |
13.1 ± 0.9 |
18.8 ± 2.3 |
67.5 ± 4.9 |
-2.48 ± 0.38 |
-0.48 ± 0.08 |
| RH8 |
-30.4 ± 2.8 |
15.9 ± 1.1 |
22.6 ± 2.8 |
66.8 ± 4.8 |
-1.93 ± 0.30 |
-0.46 ± 0.07 |
| RH9 |
10.4 ± 1.9 |
18.1 ± 1.2 |
25.5 ± 3.2 |
66.3 ± 4.8 |
0.58 ± 0.13 |
0.16 ± 0.04 |
| RH10 |
10.3 ± 3.5 |
36.8 ± 2.3 |
45.5 ± 5.7 |
58.0 ± 4.4 |
0.28 ± 0.09 |
0.18 ± 0.06 |
| Average |
-21.5 |
15.8 |
21.7 |
66.1 |
-19.4 |
-0.3 |
| Median |
-30.4 |
15.1 |
21.6 |
67.3 |
-2.0 |
-0.5 |
| Deviation |
19.7 |
10.0 |
12.3 |
3.4 |
50.8 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-73.6 ± 2.1 |
12.7 ± 0.0 |
19.8 ± 0.1 |
57.5 ± 0.0 |
-5.78 ± 0.16 |
-1.28 ± 0.04 |
| VC |
-84.5 ± 1.9 |
0.2 ± 0.0 |
0.3 ± 0.0 |
58.9 ± 0.0 |
-404.47 ± 9.19 |
-1.44 ± 0.03 |
| MX1 |
-76.8 ± 2.0 |
11.3 ± 0.0 |
17.8 ± 0.1 |
57.8 ± 0.0 |
-6.77 ± 0.18 |
-1.33 ± 0.03 |
| MX2 |
-76.4 ± 2.0 |
11.6 ± 0.0 |
18.2 ± 0.1 |
57.8 ± 0.0 |
-6.58 ± 0.17 |
-1.32 ± 0.03 |
| MX3 |
-77.2 ± 2.0 |
11.0 ± 0.0 |
17.3 ± 0.1 |
57.9 ± 0.0 |
-7.01 ± 0.18 |
-1.33 ± 0.03 |
| RH8 |
-73.6 ± 1.9 |
13.4 ± 0.0 |
20.8 ± 0.1 |
57.4 ± 0.0 |
-5.50 ± 0.15 |
-1.28 ± 0.03 |
| RH9 |
22.8 ± 0.8 |
15.2 ± 0.0 |
23.4 ± 0.1 |
56.9 ± 0.0 |
1.50 ± 0.05 |
0.40 ± 0.01 |
| RH10 |
26.8 ± 0.1 |
30.7 ± 0.1 |
41.8 ± 0.1 |
50.3 ± 0.0 |
0.87 ± 0.00 |
0.53 ± 0.00 |
| Average |
-51.6 |
13.3 |
19.9 |
56.8 |
-54.2 |
-0.9 |
| Median |
-73.6 |
12.7 |
19.8 |
57.8 |
-5.8 |
-1.3 |
| Deviation |
47.3 |
8.4 |
11.3 |
2.7 |
141.6 |
0.8 |
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)
| 
