Database: Wind Shock Analysis
Event ID: 20082581813
Observation time: 09/14/2008 258.75905 1813 [UT]
|
|
General
Information (About, Top)
| Year |
2008 |
| Fractional day of year |
258.759045 |
| Arrival time of shock [seconds of day] |
65581.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
199.090 |
| Y GSE location of spacecraft [Re] |
9.311 |
| Z GSE location of spacecraft [Re] |
-20.210 |
| Upstream plasma points selected for analysis |
0002 |
| Upstream field points selected for analysis |
0081 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0122 |
| Minimum chisq/dof for RH8,RH9,RH10 |
Infinity, -2172.97, -1092.91 |
Event added to database
|
Wed Sep 25 11:28:30 2013
|
Event last processed
|
Wed Sep 25 17:17:10 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-31.630 ± 271.270
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-309.4 ± 1.5 |
-323.9 ± 1.8 |
| Vy GSE [km/s] |
-21.3 ± 0.7 |
-27.1 ± 0.4 |
| Vz GSE [km/s] |
2.9 ± 0.6 |
7.7 ± 0.6 |
| Wi [km/s] |
22.4 ± 0.4 |
24.7 ± 0.2 |
| We [km/s] |
708.9 ± 11.6 |
781.6 ± 6.3 |
| Ni [n/cc] |
14.7 ± 0.4 |
20.5 ± 0.3 |
| Bx GSE [nT] |
-2.5 ± 0.2 |
-3.5 ± 0.1 |
| By GSE [nT] |
3.3 ± 0.1 |
4.1 ± 0.5 |
| Bz GSE [nT] |
-1.7 ± 0.4 |
-3.5 ± 0.2 |
Plasma Beta
|
0.783 ± 0.801
|
0.641 ± 0.680
|
Sound Speed [km/s]
|
28.94 ± 0.47
|
31.91 ± 0.26
|
Alfven Speed [km/s]
|
25.34 ± 0.82
|
30.92 ± 1.16
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.445 ± 0.223 |
0.722 ± 0.169 |
0.530 ± 0.474 |
32.00 ± 13.37 |
121.63 ± 16.97 |
| VC |
-0.886 ± 0.027 |
-0.359 ± 0.062 |
0.294 ± 0.285 |
17.11 ± 2.21 |
202.09 ± 4.02 |
| MX1 |
-0.869 ± 0.025 |
-0.388 ± 0.049 |
0.306 ± 0.296 |
17.85 ± 2.42 |
204.07 ± 3.19 |
| MX2 |
-0.872 ± 0.023 |
-0.378 ± 0.044 |
0.310 ± 0.300 |
18.08 ± 2.64 |
203.45 ± 2.86 |
| MX3 |
-0.875 ± 0.024 |
-0.368 ± 0.045 |
0.315 ± 0.304 |
18.34 ± 3.00 |
202.81 ± 2.89 |
| RH08 |
-0.097 ± 0.060 |
0.114 ± 0.056 |
-0.989 ± 0.212 |
-81.43 ± 2.50 |
130.36 ± 26.67 |
| RH09 |
-0.322 ± 0.066 |
0.161 ± 0.069 |
-0.933 ± 0.433 |
-68.90 ± 3.98 |
153.43 ± 11.23 |
| RH10 |
-0.344 ± 0.065 |
0.179 ± 0.069 |
-0.922 ± 0.455 |
-67.19 ± 3.96 |
152.42 ± 10.37 |
| Average |
-0.589 |
-0.040 |
-0.136 |
-14.268 |
171.282 |
| Median |
-0.445 |
0.114 |
0.306 |
17.845 |
202.086 |
| Deviation |
0.321 |
0.403 |
0.677 |
48.642 |
35.591 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
54.5 ± 5.0 |
142.0 ± 1.1 |
1.40 ± 0.02 |
| VC |
83.0 ± 0.5 |
340.9 ± 2.1 |
1.40 ± 0.02 |
| MX1 |
85.0 ± 0.5 |
336.6 ± 2.1 |
1.40 ± 0.02 |
| MX2 |
84.6 ± 0.5 |
337.3 ± 2.1 |
1.40 ± 0.02 |
| MX3 |
84.1 ± 0.4 |
337.9 ± 2.1 |
1.40 ± 0.02 |
| RH08 |
59.3 ± 4.8 |
11.0 ± 0.6 |
1.40 ± 0.02 |
| RH09 |
49.3 ± 5.1 |
91.3 ± 0.9 |
1.40 ± 0.02 |
| RH10 |
47.7 ± 5.2 |
98.6 ± 2.6 |
1.40 ± 0.02 |
| Average |
68.4 |
211.9 |
1.40 |
| Median |
83.0 |
336.6 |
1.40 |
| Deviation |
17.2 |
139.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
18.2 ± 1.5 |
11.6 ± 0.3 |
14.7 ± 0.5 |
36.7 ± 0.8 |
1.57 ± 0.17 |
0.50 ± 0.05 |
| VC |
58.4 ± 1.3 |
2.3 ± 0.1 |
3.1 ± 0.1 |
38.4 ± 0.9 |
25.00 ± 1.17 |
1.52 ± 0.07 |
| MX1 |
58.5 ± 1.2 |
1.7 ± 0.0 |
2.2 ± 0.1 |
38.4 ± 0.9 |
35.12 ± 1.62 |
1.52 ± 0.07 |
| MX2 |
58.5 ± 1.2 |
1.8 ± 0.0 |
2.4 ± 0.1 |
38.4 ± 0.9 |
32.37 ± 1.50 |
1.52 ± 0.07 |
| MX3 |
58.5 ± 1.2 |
2.0 ± 0.0 |
2.6 ± 0.1 |
38.4 ± 0.9 |
29.95 ± 1.40 |
1.52 ± 0.07 |
| RH8 |
-13.6 ± 0.4 |
10.1 ± 0.3 |
12.9 ± 0.4 |
37.1 ± 0.9 |
-1.35 ± 0.07 |
-0.37 ± 0.02 |
| RH9 |
-2.1 ± 0.0 |
13.2 ± 0.3 |
16.5 ± 0.5 |
36.1 ± 0.8 |
-0.16 ± 0.00 |
-0.06 ± 0.00 |
| RH10 |
-1.2 ± 0.1 |
13.7 ± 0.4 |
17.1 ± 0.6 |
35.9 ± 0.8 |
-0.09 ± 0.00 |
-0.03 ± 0.00 |
| Average |
29.4 |
7.1 |
8.9 |
37.4 |
15.3 |
0.8 |
| Median |
58.4 |
10.1 |
12.9 |
38.4 |
25.0 |
1.5 |
| Deviation |
32.3 |
5.6 |
6.9 |
1.1 |
16.6 |
0.8 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
13.4 ± 0.7 |
13.5 ± 0.3 |
18.0 ± 0.7 |
42.3 ± 0.8 |
0.99 ± 0.07 |
0.32 ± 0.02 |
| VC |
42.1 ± 1.7 |
2.7 ± 0.1 |
3.8 ± 0.1 |
44.4 ± 0.8 |
15.47 ± 0.88 |
0.95 ± 0.05 |
| MX1 |
42.2 ± 1.7 |
1.9 ± 0.0 |
2.7 ± 0.1 |
44.4 ± 0.8 |
21.76 ± 1.22 |
0.95 ± 0.05 |
| MX2 |
42.2 ± 1.7 |
2.1 ± 0.0 |
2.9 ± 0.1 |
44.4 ± 0.8 |
20.05 ± 1.13 |
0.95 ± 0.05 |
| MX3 |
42.2 ± 1.7 |
2.3 ± 0.0 |
3.2 ± 0.1 |
44.4 ± 0.8 |
18.55 ± 1.05 |
0.95 ± 0.05 |
| RH8 |
-9.6 ± 0.6 |
11.8 ± 0.2 |
15.8 ± 0.6 |
42.9 ± 0.8 |
-0.82 ± 0.05 |
-0.22 ± 0.01 |
| RH9 |
-1.4 ± 0.8 |
15.4 ± 0.3 |
20.2 ± 0.8 |
41.7 ± 0.8 |
-0.09 ± 0.05 |
-0.03 ± 0.02 |
| RH10 |
-0.8 ± 0.8 |
16.0 ± 0.3 |
20.8 ± 0.8 |
41.5 ± 0.8 |
-0.05 ± 0.05 |
-0.02 ± 0.02 |
| Average |
21.3 |
8.2 |
10.9 |
43.2 |
9.5 |
0.5 |
| Median |
42.1 |
11.8 |
15.8 |
44.4 |
15.5 |
0.9 |
| Deviation |
23.2 |
6.5 |
8.4 |
1.3 |
10.3 |
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)
| 
