Database: Wind Shock Analysis
Event ID: 20112691144
Observation time: 09/26/2011 269.48908 1144 [UT]
|
|
General
Information (About, Top)
| Year |
2011 |
| Fractional day of year |
269.489080 |
| Arrival time of shock [seconds of day] |
42256.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
223.625 |
| Y GSE location of spacecraft [Re] |
99.256 |
| Z GSE location of spacecraft [Re] |
1.793 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0117 |
| Downstream plasma points selected for analysis |
0002
|
| Downstream field points selected for analysis |
0072 |
| Minimum chisq/dof for RH8,RH9,RH10 |
Infinity, -5535.08, -2780.18 |
Event added to database
|
Fri Sep 20 13:47:15 2013
|
Event last processed
|
Tue Sep 24 10:36:29 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
2.706 ± 0.044
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-362.8 ± 2.0 |
-464.4 ± 6.4 |
| Vy GSE [km/s] |
-18.0 ± 3.1 |
-62.8 ± 10.8 |
| Vz GSE [km/s] |
-17.1 ± 1.6 |
-44.9 ± 2.4 |
| Wi [km/s] |
38.0 ± 1.4 |
56.8 ± 5.0 |
| We [km/s] |
1202.5 ± 44.8 |
1795.3 ± 156.9 |
| Ni [n/cc] |
17.6 ± 0.7 |
37.2 ± 1.5 |
| Bx GSE [nT] |
6.7 ± 0.3 |
8.9 ± 0.1 |
| By GSE [nT] |
-1.9 ± 1.9 |
-11.3 ± 2.7 |
| Bz GSE [nT] |
-6.6 ± 0.3 |
-18.0 ± 1.3 |
Plasma Beta
|
0.567 ± 0.601
|
0.470 ± 0.525
|
Sound Speed [km/s]
|
49.09 ± 1.83
|
73.29 ± 6.41
|
Alfven Speed [km/s]
|
50.67 ± 2.50
|
82.91 ± 0.40
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.915 ± 0.069 |
-0.373 ± 0.154 |
0.155 ± 0.153 |
8.90 ± 11.86 |
202.18 ± 9.63 |
| VC |
-0.889 ± 0.021 |
-0.389 ± 0.049 |
-0.242 ± 0.237 |
-14.01 ± 0.53 |
203.63 ± 3.14 |
| MX1 |
-0.964 ± 0.011 |
-0.264 ± 0.038 |
0.035 ± 0.035 |
1.99 ± 5.95 |
195.34 ± 2.27 |
| MX2 |
-0.974 ± 0.003 |
-0.228 ± 0.014 |
-0.006 ± 0.006 |
-0.35 ± 2.85 |
193.18 ± 0.81 |
| MX3 |
-0.977 ± 0.007 |
-0.210 ± 0.030 |
-0.026 ± 0.026 |
-1.48 ± 1.61 |
192.15 ± 1.79 |
| RH08 |
-0.000 ± 0.000 |
-0.000 ± 0.000 |
-1.000 ± 0.000 |
-90.00 ± 0.00 |
0.00 ± 104.36 |
| RH09 |
0.133 ± 0.070 |
-0.391 ± 0.064 |
-0.911 ± 0.473 |
-65.59 ± 3.97 |
288.80 ± 9.79 |
| RH10 |
0.133 ± 0.070 |
-0.391 ± 0.064 |
-0.911 ± 0.473 |
-65.59 ± 3.97 |
288.80 ± 9.79 |
| Average |
-0.557 |
-0.281 |
-0.363 |
-28.267 |
195.509 |
| Median |
-0.889 |
-0.264 |
-0.026 |
-1.478 |
202.176 |
| Deviation |
0.537 |
0.137 |
0.491 |
38.902 |
89.249 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
48.1 ± 9.1 |
540.6 ± 4.2 |
2.14 ± 0.09 |
| VC |
68.2 ± 7.5 |
555.5 ± 4.7 |
2.14 ± 0.09 |
| MX1 |
50.4 ± 7.2 |
564.6 ± 4.0 |
2.14 ± 0.09 |
| MX2 |
51.5 ± 6.6 |
568.9 ± 3.9 |
2.14 ± 0.09 |
| MX3 |
52.1 ± 6.3 |
570.4 ± 3.8 |
2.14 ± 0.09 |
| RH08 |
47.0 ± 1.4 |
70.4 ± 1.1 |
2.14 ± 0.09 |
| RH09 |
37.7 ± 7.4 |
32.8 ± 2.7 |
2.14 ± 0.09 |
| RH10 |
37.7 ± 7.4 |
32.8 ± 7.1 |
2.14 ± 0.09 |
| Average |
49.1 |
367.0 |
2.14 |
| Median |
50.4 |
555.5 |
2.14 |
| Deviation |
9.6 |
266.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
204.7 ± 2.2 |
25.2 ± 0.8 |
33.8 ± 1.7 |
65.9 ± 2.2 |
8.14 ± 0.32 |
3.11 ± 0.12 |
| VC |
221.9 ± 2.6 |
13.3 ± 0.4 |
18.9 ± 0.9 |
69.3 ± 2.3 |
16.64 ± 0.66 |
3.21 ± 0.13 |
| MX1 |
210.7 ± 2.2 |
23.8 ± 0.8 |
32.3 ± 1.6 |
66.4 ± 2.2 |
8.85 ± 0.34 |
3.18 ± 0.12 |
| MX2 |
211.5 ± 2.2 |
23.2 ± 0.7 |
31.5 ± 1.6 |
66.6 ± 2.2 |
9.12 ± 0.35 |
3.18 ± 0.12 |
| MX3 |
211.6 ± 2.2 |
22.9 ± 0.7 |
31.1 ± 1.5 |
66.8 ± 2.2 |
9.26 ± 0.35 |
3.17 ± 0.12 |
| RH8 |
53.3 ± 1.6 |
25.8 ± 0.8 |
34.6 ± 1.7 |
65.7 ± 2.2 |
2.07 ± 0.09 |
0.81 ± 0.03 |
| RH9 |
58.5 ± 1.7 |
31.0 ± 1.0 |
40.1 ± 2.0 |
63.4 ± 2.1 |
1.89 ± 0.11 |
0.92 ± 0.05 |
| RH10 |
58.5 ± 1.7 |
31.0 ± 1.0 |
40.1 ± 2.0 |
63.4 ± 2.1 |
1.89 ± 0.11 |
0.92 ± 0.05 |
| Average |
153.8 |
24.5 |
32.8 |
65.9 |
7.2 |
2.3 |
| Median |
210.7 |
25.2 |
33.8 |
66.4 |
8.8 |
3.2 |
| Deviation |
80.5 |
5.6 |
6.7 |
1.9 |
5.1 |
1.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
99.3 ± 9.5 |
39.1 ± 2.1 |
55.3 ± 0.3 |
103.6 ± 4.1 |
2.53 ± 0.11 |
0.96 ± 0.05 |
| VC |
107.4 ± 10.5 |
20.8 ± 1.1 |
30.8 ± 0.1 |
108.7 ± 4.4 |
5.17 ± 0.24 |
0.99 ± 0.06 |
| MX1 |
101.9 ± 8.9 |
37.1 ± 2.0 |
52.8 ± 0.3 |
104.3 ± 4.1 |
2.75 ± 0.10 |
0.98 ± 0.05 |
| MX2 |
102.1 ± 8.7 |
36.1 ± 1.9 |
51.6 ± 0.2 |
104.7 ± 4.1 |
2.83 ± 0.09 |
0.98 ± 0.04 |
| MX3 |
102.1 ± 8.6 |
35.6 ± 1.9 |
50.9 ± 0.2 |
104.8 ± 4.2 |
2.87 ± 0.09 |
0.97 ± 0.04 |
| RH8 |
25.6 ± 2.4 |
40.2 ± 2.1 |
56.6 ± 0.3 |
103.2 ± 4.0 |
0.64 ± 0.03 |
0.25 ± 0.01 |
| RH9 |
29.2 ± 5.6 |
48.2 ± 2.6 |
65.6 ± 0.3 |
99.7 ± 3.8 |
0.60 ± 0.08 |
0.29 ± 0.04 |
| RH10 |
29.2 ± 5.6 |
48.2 ± 2.6 |
65.6 ± 0.3 |
99.7 ± 3.8 |
0.60 ± 0.08 |
0.29 ± 0.04 |
| Average |
74.6 |
38.2 |
53.7 |
103.6 |
2.2 |
0.7 |
| Median |
101.9 |
39.1 |
55.3 |
104.3 |
2.7 |
1.0 |
| Deviation |
38.7 |
8.6 |
10.9 |
2.9 |
1.6 |
0.4 |
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)
| 
