Database: Wind Shock Analysis
Event ID: 20082601235
Observation time: 09/16/2008 260.52436 1235 [UT]
|
|
General
Information (About, Top)
| Year |
2008 |
| Fractional day of year |
260.524358 |
| Arrival time of shock [seconds of day] |
45304.5 ± 60.0 |
| Shock type |
SF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
199.110 |
| Y GSE location of spacecraft [Re] |
15.509 |
| Z GSE location of spacecraft [Re] |
-19.890 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0158 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0226 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.60, 1.69, 1.86 |
Event added to database
|
Wed Sep 25 11:29:25 2013
|
Event last processed
|
Wed Sep 25 17:19:20 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
62.159 ± 17.153
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-503.3 ± 7.1 |
-537.1 ± 2.3 |
| Vy GSE [km/s] |
12.8 ± 2.8 |
-3.8 ± 4.1 |
| Vz GSE [km/s] |
-4.2 ± 1.9 |
-23.2 ± 1.8 |
| Wi [km/s] |
36.9 ± 4.6 |
43.2 ± 1.4 |
| We [km/s] |
1167.4 ± 144.5 |
1364.8 ± 43.4 |
| Ni [n/cc] |
1.7 ± 0.3 |
2.4 ± 0.1 |
| Bx GSE [nT] |
-2.4 ± 0.5 |
1.0 ± 0.3 |
| By GSE [nT] |
-0.3 ± 0.6 |
1.3 ± 0.3 |
| Bz GSE [nT] |
-1.1 ± 0.4 |
0.7 ± 0.2 |
Plasma Beta
|
1.102 ± 0.458
|
3.376 ± 2.864
|
Sound Speed [km/s]
|
47.66 ± 5.90
|
55.72 ± 1.77
|
Alfven Speed [km/s]
|
46.83 ± 13.48
|
25.53 ± 5.59
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.422 ± 0.133 |
0.906 ± 0.062 |
0.038 ± 0.038 |
2.19 ± 13.13 |
114.99 ± 8.40 |
| VC |
-0.797 ± 0.075 |
-0.404 ± 0.140 |
-0.449 ± 0.416 |
-26.65 ± 3.72 |
206.84 ± 10.01 |
| MX1 |
-0.591 ± 0.628 |
0.804 ± 0.462 |
0.062 ± 0.062 |
3.54 ± 23.94 |
126.33 ± 44.74 |
| MX2 |
-0.604 ± 0.577 |
0.792 ± 0.441 |
0.092 ± 0.092 |
5.29 ± 18.39 |
127.34 ± 41.75 |
| MX3 |
-0.599 ± 0.509 |
0.766 ± 0.402 |
0.232 ± 0.227 |
13.39 ± 21.83 |
128.02 ± 37.83 |
| RH08 |
-0.210 ± 0.033 |
-0.513 ± 0.020 |
0.832 ± 0.545 |
56.35 ± 1.11 |
247.69 ± 3.60 |
| RH09 |
-0.210 ± 0.047 |
-0.513 ± 0.028 |
0.832 ± 0.545 |
56.35 ± 1.54 |
247.69 ± 5.15 |
| RH10 |
-0.210 ± 0.061 |
-0.513 ± 0.038 |
0.832 ± 0.545 |
56.35 ± 2.15 |
247.69 ± 6.70 |
| Average |
-0.456 |
0.166 |
0.309 |
20.849 |
180.823 |
| Median |
-0.422 |
0.766 |
0.232 |
13.387 |
206.840 |
| Deviation |
0.227 |
0.698 |
0.476 |
31.583 |
62.154 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
71.2 ± 15.0 |
219.0 ± 80.0 |
1.47 ± 0.26 |
| VC |
21.6 ± 14.9 |
522.3 ± 222.8 |
1.47 ± 0.26 |
| MX1 |
61.7 ± 15.0 |
326.4 ± 44.3 |
1.47 ± 0.26 |
| MX2 |
61.8 ± 14.9 |
332.9 ± 44.0 |
1.47 ± 0.26 |
| MX3 |
65.6 ± 14.6 |
321.7 ± 55.6 |
1.47 ± 0.26 |
| RH08 |
83.6 ± 4.1 |
96.5 ± 19.1 |
1.47 ± 0.26 |
| RH09 |
83.6 ± 4.1 |
96.5 ± 19.1 |
1.47 ± 0.26 |
| RH10 |
83.6 ± 4.1 |
96.5 ± 111.6 |
1.47 ± 0.26 |
| Average |
66.6 |
251.5 |
1.47 |
| Median |
71.2 |
321.7 |
1.47 |
| Deviation |
20.6 |
152.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-5.0 ± 5.1 |
10.4 ± 1.9 |
15.1 ± 4.4 |
67.2 ± 3.2 |
-0.59 ± 0.78 |
-0.08 ± 0.08 |
| VC |
124.2 ± 5.8 |
34.6 ± 7.5 |
43.5 ± 12.5 |
58.2 ± 1.3 |
3.74 ± 0.93 |
2.13 ± 0.13 |
| MX1 |
18.8 ± 5.9 |
15.4 ± 2.8 |
22.2 ± 6.4 |
66.2 ± 2.9 |
1.19 ± 0.22 |
0.28 ± 0.08 |
| MX2 |
19.2 ± 5.9 |
15.4 ± 2.8 |
22.2 ± 6.4 |
66.2 ± 2.9 |
1.21 ± 0.22 |
0.29 ± 0.08 |
| MX3 |
11.2 ± 5.6 |
13.4 ± 2.4 |
19.4 ± 5.6 |
66.7 ± 3.0 |
0.79 ± 0.36 |
0.17 ± 0.08 |
| RH8 |
0.7 ± 1.2 |
3.5 ± 0.6 |
5.2 ± 1.5 |
67.9 ± 3.4 |
0.27 ± 0.49 |
0.01 ± 0.02 |
| RH9 |
0.7 ± 1.2 |
3.5 ± 0.6 |
5.2 ± 1.5 |
67.9 ± 3.4 |
0.27 ± 0.49 |
0.01 ± 0.02 |
| RH10 |
0.7 ± 1.2 |
3.5 ± 0.6 |
5.2 ± 1.5 |
67.9 ± 3.4 |
0.27 ± 0.49 |
0.01 ± 0.02 |
| Average |
21.3 |
12.5 |
17.3 |
66.1 |
0.9 |
0.4 |
| Median |
11.2 |
13.4 |
19.4 |
67.2 |
0.8 |
0.2 |
| Deviation |
42.5 |
10.4 |
13.0 |
3.2 |
1.3 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-3.4 ± 3.4 |
7.5 ± 1.4 |
8.2 ± 1.8 |
61.1 ± 0.6 |
-0.54 ± 0.62 |
-0.06 ± 0.06 |
| VC |
82.1 ± 2.5 |
23.2 ± 4.9 |
23.7 ± 5.2 |
56.8 ± 1.2 |
3.70 ± 0.97 |
1.45 ± 0.02 |
| MX1 |
13.3 ± 3.0 |
11.1 ± 2.1 |
12.1 ± 2.6 |
60.5 ± 0.4 |
1.21 ± 0.18 |
0.22 ± 0.05 |
| MX2 |
13.7 ± 3.0 |
11.1 ± 2.1 |
12.1 ± 2.6 |
60.5 ± 0.4 |
1.24 ± 0.18 |
0.23 ± 0.05 |
| MX3 |
8.1 ± 3.0 |
9.6 ± 1.8 |
10.6 ± 2.3 |
60.7 ± 0.5 |
0.83 ± 0.23 |
0.13 ± 0.05 |
| RH8 |
0.9 ± 3.1 |
2.6 ± 0.5 |
2.9 ± 0.6 |
61.5 ± 0.7 |
0.50 ± 1.54 |
0.01 ± 0.05 |
| RH9 |
0.9 ± 3.1 |
2.6 ± 0.5 |
2.9 ± 0.6 |
61.5 ± 0.7 |
0.50 ± 1.54 |
0.01 ± 0.05 |
| RH10 |
0.9 ± 3.1 |
2.6 ± 0.5 |
2.9 ± 0.6 |
61.5 ± 0.7 |
0.50 ± 1.54 |
0.01 ± 0.05 |
| Average |
14.5 |
8.8 |
9.4 |
60.5 |
1.0 |
0.3 |
| Median |
8.1 |
9.6 |
10.6 |
61.1 |
0.8 |
0.1 |
| Deviation |
28.0 |
6.9 |
7.1 |
1.6 |
1.2 |
0.5 |
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)
| 
