Database: Wind Shock Analysis
Event ID: 20110490049
Observation time: 02/18/2011 49.03408 0049 [UT]
|
|
General
Information (About, Top)
| Year |
2011 |
| Fractional day of year |
49.034080 |
| Arrival time of shock [seconds of day] |
2944.5 ± 10.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
195.261 |
| Y GSE location of spacecraft [Re] |
14.468 |
| Z GSE location of spacecraft [Re] |
-19.884 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0133 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0108 |
| Minimum chisq/dof for RH8,RH9,RH10 |
31.00, 59.70, 99.69 |
Event added to database
|
Fri Sep 20 09:55:45 2013
|
Event last processed
|
Tue Sep 24 10:02:47 2013
|
Method selected
|
RH10
|
Propagation delay to Earth [minutes]
|
46.292 ± 6.751
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-348.6 ± 3.9 |
-426.5 ± 3.8 |
| Vy GSE [km/s] |
2.4 ± 0.5 |
14.9 ± 4.2 |
| Vz GSE [km/s] |
-12.5 ± 1.1 |
42.0 ± 8.5 |
| Wi [km/s] |
19.0 ± 3.1 |
38.8 ± 2.2 |
| We [km/s] |
602.2 ± 97.5 |
1225.8 ± 68.9 |
| Ni [n/cc] |
6.3 ± 2.4 |
20.1 ± 1.6 |
| Bx GSE [nT] |
2.7 ± 0.4 |
7.9 ± 0.6 |
| By GSE [nT] |
-0.1 ± 0.4 |
0.6 ± 2.2 |
| Bz GSE [nT] |
3.1 ± 0.8 |
9.6 ± 0.3 |
Plasma Beta
|
0.317 ± 0.437
|
0.402 ± 0.377
|
Sound Speed [km/s]
|
24.58 ± 3.98
|
50.04 ± 2.81
|
Alfven Speed [km/s]
|
38.02 ± 10.38
|
61.27 ± 2.57
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.944 ± 0.223 |
0.208 ± 0.925 |
0.254 ± 0.249 |
14.72 ± 20.58 |
167.56 ± 56.10 |
| VC |
-0.814 ± 0.026 |
0.130 ± 0.032 |
0.566 ± 0.496 |
34.47 ± 2.66 |
170.95 ± 2.24 |
| MX1 |
-0.785 ± 0.053 |
0.131 ± 0.038 |
0.605 ± 0.517 |
37.22 ± 5.06 |
170.53 ± 2.68 |
| MX2 |
-0.785 ± 0.051 |
0.124 ± 0.036 |
0.607 ± 0.518 |
37.36 ± 4.87 |
171.05 ± 2.53 |
| MX3 |
-0.785 ± 0.051 |
0.121 ± 0.036 |
0.608 ± 0.519 |
37.41 ± 4.80 |
171.25 ± 2.54 |
| RH08 |
-0.313 ± 0.043 |
-0.895 ± 0.018 |
0.318 ± 0.307 |
18.57 ± 1.95 |
250.70 ± 2.75 |
| RH09 |
-0.409 ± 0.064 |
-0.827 ± 0.039 |
0.385 ± 0.365 |
22.67 ± 4.03 |
243.68 ± 4.34 |
| RH10 |
-0.342 ± 0.066 |
-0.876 ± 0.034 |
0.341 ± 0.327 |
19.92 ± 4.02 |
248.69 ± 4.29 |
| Average |
-0.647 |
-0.236 |
0.461 |
27.794 |
199.301 |
| Median |
-0.785 |
0.124 |
0.566 |
34.469 |
171.246 |
| Deviation |
0.249 |
0.523 |
0.150 |
9.721 |
40.132 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
63.4 ± 4.2 |
465.3 ± 7.1 |
4.19 ± 2.44 |
| VC |
82.5 ± 4.4 |
425.4 ± 7.8 |
4.19 ± 2.44 |
| MX1 |
85.3 ± 4.4 |
414.8 ± 7.9 |
4.19 ± 2.44 |
| MX2 |
85.4 ± 4.4 |
414.7 ± 7.9 |
4.19 ± 2.44 |
| MX3 |
85.4 ± 4.4 |
414.6 ± 7.9 |
4.19 ± 2.44 |
| RH08 |
87.6 ± 7.4 |
150.2 ± 2.1 |
4.19 ± 2.44 |
| RH09 |
88.6 ± 7.3 |
202.0 ± 3.1 |
4.19 ± 2.44 |
| RH10 |
87.8 ± 7.4 |
165.0 ± 8.0 |
4.19 ± 2.44 |
| Average |
83.2 |
331.5 |
4.19 |
| Median |
85.4 |
414.7 |
4.19 |
| Deviation |
8.3 |
133.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
138.8 ± 3.9 |
9.1 ± 1.1 |
17.0 ± 4.7 |
44.9 ± 7.8 |
15.32 ± 1.45 |
3.17 ± 0.59 |
| VC |
148.4 ± 3.5 |
2.6 ± 0.3 |
5.0 ± 1.4 |
45.7 ± 7.6 |
57.42 ± 5.47 |
3.32 ± 0.59 |
| MX1 |
148.3 ± 3.4 |
1.6 ± 0.2 |
3.1 ± 0.9 |
45.8 ± 7.6 |
90.70 ± 8.67 |
3.31 ± 0.58 |
| MX2 |
148.3 ± 3.4 |
1.6 ± 0.2 |
3.1 ± 0.8 |
45.8 ± 7.6 |
92.57 ± 8.85 |
3.31 ± 0.58 |
| MX3 |
148.3 ± 3.4 |
1.6 ± 0.2 |
3.1 ± 0.8 |
45.8 ± 7.6 |
93.33 ± 8.93 |
3.31 ± 0.58 |
| RH8 |
47.0 ± 1.0 |
0.8 ± 0.1 |
1.6 ± 0.4 |
45.8 ± 7.6 |
57.80 ± 5.63 |
1.05 ± 0.19 |
| RH9 |
66.1 ± 1.4 |
0.5 ± 0.1 |
1.0 ± 0.3 |
45.8 ± 7.6 |
133.08 ± 12.89 |
1.48 ± 0.26 |
| RH10 |
52.2 ± 1.1 |
0.8 ± 0.1 |
1.5 ± 0.4 |
45.8 ± 7.6 |
68.86 ± 6.68 |
1.17 ± 0.21 |
| Average |
112.2 |
2.3 |
4.4 |
45.7 |
76.1 |
2.5 |
| Median |
148.3 |
1.6 |
3.1 |
45.8 |
90.7 |
3.3 |
| Deviation |
47.7 |
2.8 |
5.3 |
0.3 |
34.8 |
1.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
48.7 ± 6.5 |
17.8 ± 0.7 |
27.5 ± 1.2 |
77.1 ± 2.8 |
2.73 ± 0.36 |
0.63 ± 0.09 |
| VC |
52.5 ± 8.3 |
5.1 ± 0.2 |
8.0 ± 0.3 |
79.0 ± 2.9 |
10.36 ± 1.61 |
0.67 ± 0.11 |
| MX1 |
52.5 ± 8.6 |
3.2 ± 0.1 |
5.1 ± 0.2 |
79.1 ± 2.9 |
16.39 ± 2.62 |
0.66 ± 0.11 |
| MX2 |
52.5 ± 8.6 |
3.1 ± 0.1 |
5.0 ± 0.2 |
79.1 ± 2.9 |
16.73 ± 2.67 |
0.66 ± 0.11 |
| MX3 |
52.5 ± 8.6 |
3.1 ± 0.1 |
4.9 ± 0.2 |
79.1 ± 2.9 |
16.87 ± 2.69 |
0.66 ± 0.11 |
| RH8 |
16.5 ± 1.7 |
1.6 ± 0.1 |
2.5 ± 0.1 |
79.1 ± 2.9 |
10.31 ± 0.65 |
0.21 ± 0.01 |
| RH9 |
23.5 ± 2.2 |
1.0 ± 0.0 |
1.5 ± 0.1 |
79.1 ± 2.9 |
24.18 ± 1.69 |
0.30 ± 0.02 |
| RH10 |
18.0 ± 1.8 |
1.5 ± 0.1 |
2.3 ± 0.1 |
79.1 ± 2.9 |
12.08 ± 0.78 |
0.23 ± 0.02 |
| Average |
39.6 |
4.5 |
7.1 |
78.8 |
13.7 |
0.5 |
| Median |
52.5 |
3.1 |
5.0 |
79.1 |
16.4 |
0.7 |
| Deviation |
16.9 |
5.5 |
8.5 |
0.7 |
6.3 |
0.2 |
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)
| 
