Database: Wind Shock Analysis
Event ID: 20070770944
Observation time: 03/18/2007 77.40575 0944 [UT]
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|
General
Information (About, Top)
| Year |
2007 |
| Fractional day of year |
77.405747 |
| Arrival time of shock [seconds of day] |
35056.5 ± 60.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
198.683 |
| Y GSE location of spacecraft [Re] |
-31.137 |
| Z GSE location of spacecraft [Re] |
-18.797 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0169 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0249 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.05, 7.08, 8.01 |
Event added to database
|
Thu Sep 26 10:08:13 2013
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Event last processed
|
Thu Sep 26 12:03:34 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
56.773 ± 15.622
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-445.7 ± 0.8 |
-475.2 ± 1.8 |
| Vy GSE [km/s] |
-8.0 ± 2.9 |
-6.5 ± 3.5 |
| Vz GSE [km/s] |
-0.6 ± 1.2 |
-6.9 ± 2.3 |
| Wi [km/s] |
31.5 ± 1.0 |
30.1 ± 1.0 |
| We [km/s] |
994.8 ± 32.7 |
950.8 ± 32.0 |
| Ni [n/cc] |
2.8 ± 0.1 |
2.2 ± 0.1 |
| Bx GSE [nT] |
-2.1 ± 0.1 |
-2.3 ± 0.2 |
| By GSE [nT] |
-0.4 ± 0.1 |
2.5 ± 0.3 |
| Bz GSE [nT] |
-0.3 ± 0.2 |
0.2 ± 0.1 |
Plasma Beta
|
1.211 ± 1.157
|
0.356 ± 0.349
|
Sound Speed [km/s]
|
40.61 ± 1.33
|
38.82 ± 1.31
|
Alfven Speed [km/s]
|
28.75 ± 1.62
|
50.50 ± 1.13
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.992 ± 0.010 |
-0.038 ± 0.094 |
-0.117 ± 0.117 |
-6.73 ± 4.51 |
182.17 ± 5.41 |
| VC |
-0.977 ± 0.018 |
0.056 ± 0.145 |
-0.205 ± 0.202 |
-11.80 ± 4.39 |
176.73 ± 8.50 |
| MX1 |
-0.963 ± 0.048 |
-0.011 ± 0.112 |
-0.268 ± 0.262 |
-15.57 ± 10.16 |
180.63 ± 6.64 |
| MX2 |
-0.972 ± 0.022 |
-0.016 ± 0.091 |
-0.236 ± 0.231 |
-13.63 ± 5.45 |
180.92 ± 5.37 |
| MX3 |
-0.974 ± 0.017 |
-0.019 ± 0.096 |
-0.225 ± 0.221 |
-12.99 ± 4.32 |
181.09 ± 5.63 |
| RH08 |
-0.228 ± 0.014 |
-0.188 ± 0.012 |
0.955 ± 0.376 |
72.81 ± 1.04 |
219.61 ± 1.14 |
| RH09 |
-0.228 ± 0.021 |
-0.188 ± 0.021 |
0.955 ± 0.376 |
72.81 ± 1.18 |
219.61 ± 4.28 |
| RH10 |
-0.228 ± 0.023 |
-0.188 ± 0.025 |
0.955 ± 0.376 |
72.81 ± 1.17 |
219.61 ± 5.43 |
| Average |
-0.695 |
-0.074 |
0.227 |
19.712 |
195.047 |
| Median |
-0.963 |
-0.019 |
-0.117 |
-6.733 |
182.171 |
| Deviation |
0.387 |
0.099 |
0.605 |
44.037 |
20.401 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
10.0 ± 3.8 |
328.7 ± 4.6 |
0.78 ± 0.05 |
| VC |
15.1 ± 4.3 |
320.3 ± 4.6 |
0.78 ± 0.05 |
| MX1 |
13.2 ± 4.6 |
314.8 ± 4.7 |
0.78 ± 0.05 |
| MX2 |
12.0 ± 4.6 |
318.7 ± 4.7 |
0.78 ± 0.05 |
| MX3 |
11.6 ± 4.6 |
319.9 ± 4.7 |
0.78 ± 0.05 |
| RH08 |
83.0 ± 5.5 |
101.5 ± 1.6 |
0.78 ± 0.05 |
| RH09 |
83.0 ± 5.5 |
101.5 ± 1.6 |
0.78 ± 0.05 |
| RH10 |
83.0 ± 5.5 |
101.5 ± 9.5 |
0.78 ± 0.05 |
| Average |
38.9 |
238.3 |
0.78 |
| Median |
15.1 |
318.7 |
0.78 |
| Deviation |
36.6 |
113.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-113.9 ± 0.8 |
27.9 ± 1.5 |
28.3 ± 1.6 |
41.2 ± 1.2 |
-4.09 ± 0.24 |
-2.77 ± 0.08 |
| VC |
-115.0 ± 0.7 |
26.9 ± 1.3 |
27.8 ± 1.6 |
41.9 ± 1.1 |
-4.28 ± 0.24 |
-2.75 ± 0.07 |
| MX1 |
-114.8 ± 0.7 |
27.3 ± 1.4 |
28.0 ± 1.6 |
41.6 ± 1.2 |
-4.21 ± 0.24 |
-2.76 ± 0.07 |
| MX2 |
-114.6 ± 0.7 |
27.5 ± 1.4 |
28.1 ± 1.6 |
41.4 ± 1.2 |
-4.17 ± 0.24 |
-2.77 ± 0.07 |
| MX3 |
-114.7 ± 0.7 |
27.6 ± 1.4 |
28.2 ± 1.6 |
41.4 ± 1.2 |
-4.16 ± 0.24 |
-2.77 ± 0.07 |
| RH8 |
-1.0 ± 1.8 |
2.9 ± 0.1 |
3.5 ± 0.2 |
49.7 ± 1.1 |
-0.34 ± 0.62 |
-0.02 ± 0.04 |
| RH9 |
-1.0 ± 1.8 |
2.9 ± 0.1 |
3.5 ± 0.2 |
49.7 ± 1.1 |
-0.34 ± 0.62 |
-0.02 ± 0.04 |
| RH10 |
-1.0 ± 1.8 |
2.9 ± 0.1 |
3.5 ± 0.2 |
49.7 ± 1.1 |
-0.34 ± 0.62 |
-0.02 ± 0.04 |
| Average |
-72.0 |
18.2 |
18.9 |
44.6 |
-2.7 |
-1.7 |
| Median |
-113.9 |
27.3 |
28.0 |
41.9 |
-4.1 |
-2.7 |
| Deviation |
58.8 |
12.7 |
12.7 |
4.2 |
2.0 |
1.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-143.9 ± 2.1 |
37.5 ± 1.1 |
49.7 ± 1.1 |
51.5 ± 0.9 |
-3.84 ± 0.12 |
-2.79 ± 0.07 |
| VC |
-145.2 ± 1.9 |
36.0 ± 0.9 |
48.8 ± 1.1 |
52.6 ± 0.8 |
-4.04 ± 0.12 |
-2.76 ± 0.06 |
| MX1 |
-144.9 ± 2.2 |
36.6 ± 1.0 |
49.2 ± 1.1 |
52.2 ± 0.8 |
-3.96 ± 0.12 |
-2.78 ± 0.07 |
| MX2 |
-144.8 ± 2.2 |
36.9 ± 1.0 |
49.4 ± 1.1 |
51.9 ± 0.9 |
-3.92 ± 0.12 |
-2.79 ± 0.07 |
| MX3 |
-144.8 ± 2.2 |
37.0 ± 1.0 |
49.5 ± 1.1 |
51.8 ± 0.9 |
-3.91 ± 0.12 |
-2.79 ± 0.07 |
| RH8 |
-1.4 ± 1.6 |
3.7 ± 0.1 |
6.1 ± 0.1 |
63.6 ± 0.5 |
-0.37 ± 0.43 |
-0.02 ± 0.03 |
| RH9 |
-1.4 ± 1.6 |
3.7 ± 0.1 |
6.1 ± 0.1 |
63.6 ± 0.5 |
-0.37 ± 0.43 |
-0.02 ± 0.03 |
| RH10 |
-1.4 ± 1.6 |
3.7 ± 0.1 |
6.1 ± 0.1 |
63.6 ± 0.5 |
-0.37 ± 0.43 |
-0.02 ± 0.03 |
| Average |
-91.0 |
24.4 |
33.1 |
56.3 |
-2.6 |
-1.7 |
| Median |
-143.9 |
36.6 |
49.2 |
52.6 |
-3.8 |
-2.8 |
| Deviation |
74.2 |
17.1 |
22.3 |
6.0 |
1.8 |
1.4 |
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)
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