Database: Wind Shock Analysis
Event ID: 20092031030
Observation time: 07/22/2009 203.43786 1030 [UT]
|
|
General
Information (About, Top)
| Year |
2009 |
| Fractional day of year |
203.437865 |
| Arrival time of shock [seconds of day] |
37831.5 ± 30.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
222.876 |
| Y GSE location of spacecraft [Re] |
-99.605 |
| Z GSE location of spacecraft [Re] |
1.521 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0125 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0188 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.14, 20.87, 22.75 |
Event added to database
|
Wed Sep 25 10:11:56 2013
|
Event last processed
|
Wed Sep 25 10:52:45 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
65.148 ± 1.170
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-416.1 ± 4.3 |
-468.1 ± 2.7 |
| Vy GSE [km/s] |
13.7 ± 1.6 |
0.6 ± 3.9 |
| Vz GSE [km/s] |
15.0 ± 3.9 |
12.3 ± 3.7 |
| Wi [km/s] |
61.6 ± 1.2 |
49.6 ± 1.7 |
| We [km/s] |
1948.3 ± 37.3 |
1568.8 ± 54.4 |
| Ni [n/cc] |
5.0 ± 0.2 |
2.7 ± 0.2 |
| Bx GSE [nT] |
1.9 ± 0.5 |
1.2 ± 0.2 |
| By GSE [nT] |
-7.6 ± 0.4 |
-5.7 ± 0.3 |
| Bz GSE [nT] |
-4.8 ± 0.6 |
-2.0 ± 0.8 |
Plasma Beta
|
0.475 ± 0.454
|
0.361 ± 0.376
|
Sound Speed [km/s]
|
79.54 ± 1.52
|
64.04 ± 2.22
|
Alfven Speed [km/s]
|
89.75 ± 4.74
|
82.94 ± 5.46
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.849 ± 0.581 |
0.451 ± 1.074 |
-0.276 ± 0.269 |
-16.01 ± 26.88 |
152.05 ± 72.39 |
| VC |
-0.969 ± 0.019 |
-0.243 ± 0.073 |
-0.045 ± 0.045 |
-2.60 ± 5.23 |
194.10 ± 4.33 |
| MX1 |
-0.945 ± 0.035 |
-0.317 ± 0.099 |
-0.087 ± 0.087 |
-4.99 ± 7.46 |
198.53 ± 5.98 |
| MX2 |
-0.939 ± 0.046 |
-0.335 ± 0.126 |
-0.077 ± 0.077 |
-4.40 ± 7.23 |
199.64 ± 7.70 |
| MX3 |
-0.951 ± 0.026 |
-0.294 ± 0.073 |
-0.097 ± 0.097 |
-5.58 ± 8.00 |
197.18 ± 4.38 |
| RH08 |
-0.999 ± 0.001 |
-0.044 ± 0.026 |
-0.028 ± 0.028 |
-1.60 ± 1.01 |
182.51 ± 1.51 |
| RH09 |
-0.997 ± 0.005 |
-0.079 ± 0.069 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
184.51 ± 3.94 |
| RH10 |
-0.997 ± 0.005 |
-0.079 ± 0.069 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
184.51 ± 3.94 |
| Average |
-0.956 |
-0.117 |
-0.078 |
-4.478 |
186.629 |
| Median |
-0.951 |
-0.079 |
-0.045 |
-2.600 |
194.100 |
| Deviation |
0.050 |
0.258 |
0.088 |
5.082 |
15.583 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
65.8 ± 3.7 |
308.1 ± 2.7 |
0.55 ± 0.06 |
| VC |
88.9 ± 2.8 |
336.6 ± 3.1 |
0.55 ± 0.06 |
| MX1 |
83.8 ± 2.8 |
325.0 ± 3.1 |
0.55 ± 0.06 |
| MX2 |
83.2 ± 2.7 |
322.5 ± 3.1 |
0.55 ± 0.06 |
| MX3 |
84.7 ± 2.8 |
327.9 ± 3.2 |
0.55 ± 0.06 |
| RH08 |
80.8 ± 3.0 |
354.1 ± 3.0 |
0.55 ± 0.06 |
| RH09 |
81.8 ± 2.9 |
352.6 ± 3.0 |
0.55 ± 0.06 |
| RH10 |
81.8 ± 2.9 |
352.6 ± 14.5 |
0.55 ± 0.06 |
| Average |
81.3 |
334.9 |
0.55 |
| Median |
83.2 |
336.6 |
0.55 |
| Deviation |
6.8 |
17.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-47.3 ± 4.2 |
24.9 ± 0.6 |
36.8 ± 1.9 |
117.3 ± 3.3 |
-1.90 ± 0.19 |
-0.40 ± 0.04 |
| VC |
-62.6 ± 4.6 |
1.2 ± 0.0 |
1.8 ± 0.1 |
120.0 ± 3.4 |
-52.54 ± 4.78 |
-0.52 ± 0.05 |
| MX1 |
-62.4 ± 4.7 |
6.4 ± 0.2 |
9.6 ± 0.5 |
119.8 ± 3.4 |
-9.78 ± 0.90 |
-0.52 ± 0.05 |
| MX2 |
-62.5 ± 4.6 |
7.1 ± 0.2 |
10.6 ± 0.6 |
119.8 ± 3.4 |
-8.86 ± 0.82 |
-0.52 ± 0.05 |
| MX3 |
-62.3 ± 4.7 |
5.5 ± 0.1 |
8.3 ± 0.4 |
119.8 ± 3.4 |
-11.31 ± 1.05 |
-0.52 ± 0.05 |
| RH8 |
-60.4 ± 4.4 |
9.6 ± 0.2 |
14.4 ± 0.8 |
119.6 ± 3.4 |
-6.31 ± 0.58 |
-0.51 ± 0.05 |
| RH9 |
-61.1 ± 4.4 |
8.5 ± 0.2 |
12.8 ± 0.7 |
119.7 ± 3.4 |
-7.18 ± 0.65 |
-0.51 ± 0.05 |
| RH10 |
-61.1 ± 4.4 |
8.5 ± 0.2 |
12.8 ± 0.7 |
119.7 ± 3.4 |
-7.18 ± 0.65 |
-0.51 ± 0.05 |
| Average |
-59.9 |
9.0 |
13.4 |
119.4 |
-13.1 |
-0.5 |
| Median |
-61.1 |
8.5 |
12.8 |
119.8 |
-7.2 |
-0.5 |
| Deviation |
5.2 |
6.9 |
10.2 |
0.9 |
16.2 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-86.3 ± 4.1 |
21.2 ± 0.8 |
34.0 ± 2.2 |
102.7 ± 5.0 |
-4.07 ± 0.09 |
-0.84 ± 0.02 |
| VC |
-116.2 ± 2.5 |
1.0 ± 0.0 |
1.7 ± 0.1 |
104.8 ± 5.0 |
-114.62 ± 4.16 |
-1.11 ± 0.05 |
| MX1 |
-115.9 ± 2.4 |
5.4 ± 0.2 |
8.9 ± 0.6 |
104.7 ± 5.0 |
-21.32 ± 0.81 |
-1.11 ± 0.05 |
| MX2 |
-115.9 ± 2.4 |
6.0 ± 0.2 |
9.8 ± 0.6 |
104.7 ± 5.0 |
-19.30 ± 0.74 |
-1.11 ± 0.05 |
| MX3 |
-115.9 ± 2.4 |
4.7 ± 0.2 |
7.7 ± 0.5 |
104.7 ± 5.0 |
-24.68 ± 0.91 |
-1.11 ± 0.05 |
| RH8 |
-113.0 ± 2.7 |
8.2 ± 0.3 |
13.3 ± 0.9 |
104.5 ± 5.0 |
-13.87 ± 0.43 |
-1.08 ± 0.04 |
| RH9 |
-114.0 ± 2.6 |
7.2 ± 0.3 |
11.8 ± 0.8 |
104.6 ± 5.0 |
-15.73 ± 0.51 |
-1.09 ± 0.04 |
| RH10 |
-114.0 ± 2.6 |
7.2 ± 0.3 |
11.8 ± 0.8 |
104.6 ± 5.0 |
-15.73 ± 0.51 |
-1.09 ± 0.04 |
| Average |
-111.4 |
7.6 |
12.4 |
104.4 |
-28.7 |
-1.1 |
| Median |
-114.0 |
7.2 |
11.8 |
104.7 |
-15.7 |
-1.1 |
| Deviation |
10.2 |
5.9 |
9.4 |
0.7 |
35.3 |
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)
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