Database: Wind Shock Analysis
Event ID: 20001210511
Observation time: 04/30/2000 121.21651 0511 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
121.216510 |
| Arrival time of shock [seconds of day] |
18706.5 ± 27.0 |
| Shock type |
SR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
55.488 |
| Y GSE location of spacecraft [Re] |
18.620 |
| Z GSE location of spacecraft [Re] |
-5.650 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0159 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0208 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.82, 11.35, 12.09 |
Event added to database
|
Mon Feb 14 11:09:35 2005
|
Event last processed
|
Mon Mar 30 19:22:45 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
16.382 ± 0.887
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-396.9 ± 2.8 |
-413.4 ± 2.0 |
| Vy GSE [km/s] |
-10.2 ± 1.5 |
0.2 ± 3.4 |
| Vz GSE [km/s] |
14.3 ± 3.8 |
8.0 ± 1.8 |
| Wi [km/s] |
42.1 ± 1.8 |
33.3 ± 0.4 |
| We [km/s] |
1331.0 ± 57.4 |
1054.5 ± 12.9 |
| Ni [n/cc] |
5.5 ± 0.2 |
3.7 ± 0.2 |
| Bx GSE [nT] |
4.4 ± 0.4 |
4.9 ± 0.1 |
| By GSE [nT] |
-3.5 ± 0.3 |
-4.3 ± 0.2 |
| Bz GSE [nT] |
2.4 ± 0.5 |
3.8 ± 0.1 |
Plasma Beta
|
0.556 ± 0.511
|
0.152 ± 0.152
|
Sound Speed [km/s]
|
54.34 ± 2.34
|
43.05 ± 0.52
|
Alfven Speed [km/s]
|
56.94 ± 3.55
|
85.59 ± 2.28
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.851 ± 0.189 |
0.416 ± 0.360 |
0.321 ± 0.309 |
18.70 ± 13.97 |
153.93 ± 24.11 |
| VC |
-0.811 ± 0.104 |
0.506 ± 0.155 |
-0.292 ± 0.284 |
-17.01 ± 9.66 |
148.05 ± 10.79 |
| MX1 |
-0.988 ± 0.057 |
0.003 ± 0.728 |
0.153 ± 0.152 |
8.82 ± 21.26 |
179.85 ± 42.23 |
| MX2 |
-0.965 ± 0.112 |
0.141 ± 0.597 |
0.221 ± 0.217 |
12.75 ± 18.45 |
171.67 ± 35.44 |
| MX3 |
-0.899 ± 0.150 |
0.318 ± 0.373 |
0.301 ± 0.292 |
17.54 ± 14.60 |
160.51 ± 23.74 |
| RH08 |
-0.956 ± 0.008 |
-0.109 ± 0.025 |
0.274 ± 0.267 |
15.89 ± 1.54 |
186.52 ± 1.48 |
| RH09 |
-0.939 ± 0.024 |
-0.192 ± 0.070 |
0.285 ± 0.277 |
16.55 ± 3.98 |
191.53 ± 4.24 |
| RH10 |
-0.939 ± 0.024 |
-0.192 ± 0.070 |
0.285 ± 0.277 |
16.55 ± 3.98 |
191.53 ± 4.24 |
| Average |
-0.919 |
0.111 |
0.193 |
11.223 |
172.950 |
| Median |
-0.939 |
0.141 |
0.285 |
16.554 |
179.851 |
| Deviation |
0.061 |
0.277 |
0.203 |
11.828 |
17.157 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
43.7 ± 2.9 |
305.8 ± 5.6 |
0.66 ± 0.02 |
| VC |
9.8 ± 2.2 |
271.0 ± 8.6 |
0.66 ± 0.02 |
| MX1 |
49.8 ± 2.0 |
363.1 ± 7.4 |
0.66 ± 0.02 |
| MX2 |
46.9 ± 2.0 |
353.0 ± 6.6 |
0.66 ± 0.02 |
| MX3 |
45.0 ± 2.5 |
325.4 ± 5.8 |
0.66 ± 0.02 |
| RH08 |
59.3 ± 2.0 |
357.7 ± 6.8 |
0.66 ± 0.02 |
| RH09 |
63.4 ± 2.0 |
354.4 ± 6.9 |
0.66 ± 0.02 |
| RH10 |
63.4 ± 2.0 |
354.4 ± 6.9 |
0.66 ± 0.02 |
| Average |
47.7 |
335.6 |
0.66 |
| Median |
49.8 |
354.4 |
0.66 |
| Deviation |
17.3 |
32.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-32.3 ± 1.5 |
30.8 ± 0.6 |
41.1 ± 2.6 |
72.5 ± 1.5 |
-1.05 ± 0.06 |
-0.45 ± 0.02 |
| VC |
-41.8 ± 2.9 |
49.9 ± 1.0 |
56.1 ± 3.5 |
60.9 ± 1.5 |
-0.84 ± 0.05 |
-0.69 ± 0.06 |
| MX1 |
-31.3 ± 2.3 |
26.9 ± 0.5 |
36.8 ± 2.3 |
74.0 ± 1.5 |
-1.16 ± 0.09 |
-0.42 ± 0.03 |
| MX2 |
-31.8 ± 2.0 |
28.8 ± 0.6 |
38.9 ± 2.4 |
73.3 ± 1.5 |
-1.11 ± 0.08 |
-0.43 ± 0.03 |
| MX3 |
-32.4 ± 1.6 |
30.0 ± 0.6 |
40.3 ± 2.5 |
72.9 ± 1.5 |
-1.08 ± 0.06 |
-0.45 ± 0.03 |
| RH8 |
-26.6 ± 2.0 |
20.8 ± 0.4 |
29.1 ± 1.8 |
76.0 ± 1.6 |
-1.28 ± 0.10 |
-0.35 ± 0.03 |
| RH9 |
-24.4 ± 2.0 |
18.0 ± 0.4 |
25.5 ± 1.6 |
76.7 ± 1.6 |
-1.36 ± 0.12 |
-0.32 ± 0.03 |
| RH10 |
-24.4 ± 2.0 |
18.0 ± 0.4 |
25.5 ± 1.6 |
76.7 ± 1.6 |
-1.36 ± 0.12 |
-0.32 ± 0.03 |
| Average |
-30.6 |
27.9 |
36.7 |
72.9 |
-1.2 |
-0.4 |
| Median |
-31.3 |
28.8 |
38.9 |
74.0 |
-1.1 |
-0.4 |
| Deviation |
5.7 |
10.3 |
10.2 |
5.1 |
0.2 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-48.7 ± 2.3 |
29.2 ± 0.3 |
61.8 ± 1.6 |
91.3 ± 2.0 |
-1.67 ± 0.09 |
-0.53 ± 0.02 |
| VC |
-62.2 ± 2.3 |
42.2 ± 0.5 |
84.3 ± 2.2 |
86.0 ± 2.3 |
-1.48 ± 0.07 |
-0.72 ± 0.01 |
| MX1 |
-46.7 ± 2.0 |
25.8 ± 0.2 |
55.3 ± 1.5 |
92.3 ± 2.0 |
-1.81 ± 0.09 |
-0.51 ± 0.02 |
| MX2 |
-47.8 ± 2.1 |
27.4 ± 0.2 |
58.5 ± 1.6 |
91.8 ± 2.0 |
-1.74 ± 0.08 |
-0.52 ± 0.02 |
| MX3 |
-48.7 ± 2.2 |
28.5 ± 0.2 |
60.5 ± 1.6 |
91.5 ± 2.0 |
-1.71 ± 0.08 |
-0.53 ± 0.02 |
| RH8 |
-39.5 ± 2.1 |
20.1 ± 0.2 |
43.7 ± 1.2 |
93.7 ± 1.9 |
-1.97 ± 0.11 |
-0.42 ± 0.02 |
| RH9 |
-36.2 ± 2.1 |
17.5 ± 0.1 |
38.3 ± 1.0 |
94.2 ± 1.9 |
-2.07 ± 0.13 |
-0.38 ± 0.02 |
| RH10 |
-36.2 ± 2.1 |
17.5 ± 0.1 |
38.3 ± 1.0 |
94.2 ± 1.9 |
-2.07 ± 0.13 |
-0.38 ± 0.02 |
| Average |
-45.7 |
26.0 |
55.1 |
91.9 |
-1.8 |
-0.5 |
| Median |
-46.7 |
27.4 |
58.5 |
92.3 |
-1.7 |
-0.5 |
| Deviation |
8.6 |
8.1 |
15.3 |
2.7 |
0.2 |
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)
| 
