Database: Wind Shock Analysis
Event ID: 19972831557
Observation time: 10/10/1997 283.66467 1557 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
283.664670 |
| Arrival time of shock [seconds of day] |
57427.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
76.806 |
| Y GSE location of spacecraft [Re] |
-35.098 |
| Z GSE location of spacecraft [Re] |
0.048 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0249 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0236 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.67, 10.10, 10.30 |
Event added to database
|
Fri Mar 11 23:55:48 2005
|
Event last processed
|
Mon Mar 30 23:22:11 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
16.846 ± 1.290
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-408.3 ± 4.6 |
-438.7 ± 2.7 |
| Vy GSE [km/s] |
-4.0 ± 1.3 |
-3.7 ± 2.9 |
| Vz GSE [km/s] |
3.9 ± 3.9 |
13.4 ± 1.6 |
| Wi [km/s] |
15.7 ± 0.7 |
20.3 ± 1.3 |
| We [km/s] |
495.6 ± 20.7 |
643.0 ± 40.8 |
| Ni [n/cc] |
12.1 ± 0.7 |
19.4 ± 1.0 |
| Bx GSE [nT] |
1.2 ± 1.2 |
2.8 ± 0.9 |
| By GSE [nT] |
7.7 ± 0.6 |
12.4 ± 0.5 |
| Bz GSE [nT] |
3.3 ± 0.7 |
6.3 ± 0.9 |
Plasma Beta
|
0.085 ± 0.088
|
0.084 ± 0.083
|
Sound Speed [km/s]
|
20.23 ± 0.85
|
26.25 ± 1.67
|
Alfven Speed [km/s]
|
53.90 ± 1.30
|
70.58 ± 1.64
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.797 ± 0.255 |
0.517 ± 0.368 |
-0.313 ± 0.303 |
-18.25 ± 21.60 |
147.05 ± 26.07 |
| VC |
-0.951 ± 0.050 |
-0.000 ± 0.093 |
0.310 ± 0.300 |
18.06 ± 9.15 |
180.02 ± 5.60 |
| MX1 |
-0.940 ± 0.064 |
0.090 ± 0.175 |
0.330 ± 0.317 |
19.26 ± 10.70 |
174.53 ± 10.66 |
| MX2 |
-0.935 ± 0.066 |
0.074 ± 0.160 |
0.347 ± 0.332 |
20.30 ± 10.80 |
175.45 ± 9.81 |
| MX3 |
-0.929 ± 0.071 |
0.056 ± 0.145 |
0.366 ± 0.349 |
21.49 ± 11.02 |
176.53 ± 8.96 |
| RH08 |
-0.956 ± 0.005 |
0.075 ± 0.009 |
0.285 ± 0.277 |
16.55 ± 0.93 |
175.49 ± 0.53 |
| RH09 |
-0.938 ± 0.024 |
0.058 ± 0.070 |
0.341 ± 0.327 |
19.92 ± 4.02 |
176.49 ± 4.29 |
| RH10 |
-0.942 ± 0.023 |
0.058 ± 0.071 |
0.330 ± 0.317 |
19.25 ± 4.00 |
176.49 ± 4.29 |
| Average |
-0.923 |
0.116 |
0.249 |
14.573 |
172.757 |
| Median |
-0.938 |
0.074 |
0.330 |
19.260 |
176.490 |
| Deviation |
0.052 |
0.164 |
0.229 |
13.346 |
10.513 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
76.5 ± 9.7 |
379.4 ± 11.0 |
1.63 ± 0.07 |
| VC |
89.0 ± 6.3 |
475.5 ± 10.1 |
1.63 ± 0.07 |
| MX1 |
85.8 ± 6.4 |
470.7 ± 10.1 |
1.63 ± 0.07 |
| MX2 |
86.2 ± 6.2 |
468.7 ± 10.1 |
1.63 ± 0.07 |
| MX3 |
86.6 ± 6.1 |
466.0 ± 10.0 |
1.63 ± 0.07 |
| RH08 |
87.7 ± 6.6 |
477.3 ± 10.1 |
1.63 ± 0.07 |
| RH09 |
87.2 ± 6.2 |
470.2 ± 10.1 |
1.63 ± 0.07 |
| RH10 |
87.5 ± 6.3 |
471.8 ± 10.1 |
1.63 ± 0.07 |
| Average |
85.8 |
460.0 |
1.63 |
| Median |
87.2 |
470.7 |
1.63 |
| Deviation |
3.9 |
32.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
57.3 ± 5.3 |
4.4 ± 0.2 |
12.5 ± 0.3 |
57.4 ± 1.3 |
13.02 ± 1.62 |
1.00 ± 0.10 |
| VC |
86.2 ± 3.3 |
0.3 ± 0.0 |
0.9 ± 0.0 |
57.6 ± 1.3 |
268.77 ± 19.74 |
1.50 ± 0.07 |
| MX1 |
86.1 ± 3.3 |
1.4 ± 0.1 |
4.0 ± 0.1 |
57.6 ± 1.3 |
61.89 ± 4.53 |
1.50 ± 0.07 |
| MX2 |
85.9 ± 3.2 |
1.3 ± 0.0 |
3.6 ± 0.1 |
57.6 ± 1.3 |
67.96 ± 4.91 |
1.49 ± 0.07 |
| MX3 |
85.6 ± 3.1 |
1.1 ± 0.0 |
3.2 ± 0.1 |
57.6 ± 1.3 |
76.95 ± 5.49 |
1.49 ± 0.07 |
| RH8 |
86.4 ± 3.5 |
0.8 ± 0.0 |
2.2 ± 0.1 |
57.6 ± 1.3 |
111.55 ± 8.39 |
1.50 ± 0.08 |
| RH9 |
85.9 ± 3.2 |
0.9 ± 0.0 |
2.6 ± 0.1 |
57.6 ± 1.3 |
93.12 ± 6.75 |
1.49 ± 0.07 |
| RH10 |
86.0 ± 3.3 |
0.8 ± 0.0 |
2.4 ± 0.1 |
57.6 ± 1.3 |
103.01 ± 7.52 |
1.50 ± 0.07 |
| Average |
82.4 |
1.4 |
3.9 |
57.5 |
99.5 |
1.4 |
| Median |
86.0 |
1.1 |
3.2 |
57.6 |
93.1 |
1.5 |
| Deviation |
10.1 |
1.3 |
3.6 |
0.1 |
74.9 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
35.8 ± 3.8 |
5.7 ± 0.3 |
16.4 ± 0.4 |
75.1 ± 1.4 |
6.26 ± 0.72 |
0.48 ± 0.04 |
| VC |
54.3 ± 2.3 |
0.4 ± 0.0 |
1.2 ± 0.0 |
75.3 ± 1.4 |
130.45 ± 9.30 |
0.72 ± 0.02 |
| MX1 |
54.4 ± 2.5 |
1.8 ± 0.1 |
5.2 ± 0.1 |
75.3 ± 1.4 |
30.09 ± 2.21 |
0.72 ± 0.02 |
| MX2 |
54.2 ± 2.4 |
1.6 ± 0.1 |
4.7 ± 0.1 |
75.3 ± 1.4 |
33.00 ± 2.41 |
0.72 ± 0.02 |
| MX3 |
53.9 ± 2.4 |
1.4 ± 0.1 |
4.2 ± 0.1 |
75.3 ± 1.4 |
37.29 ± 2.71 |
0.72 ± 0.02 |
| RH8 |
54.5 ± 2.5 |
1.0 ± 0.1 |
2.9 ± 0.1 |
75.3 ± 1.4 |
54.27 ± 3.98 |
0.72 ± 0.02 |
| RH9 |
54.1 ± 2.4 |
1.2 ± 0.1 |
3.4 ± 0.1 |
75.3 ± 1.4 |
45.18 ± 3.28 |
0.72 ± 0.02 |
| RH10 |
54.2 ± 2.4 |
1.1 ± 0.1 |
3.1 ± 0.1 |
75.3 ± 1.4 |
49.99 ± 3.64 |
0.72 ± 0.02 |
| Average |
51.9 |
1.8 |
5.1 |
75.3 |
48.3 |
0.7 |
| Median |
54.2 |
1.4 |
4.2 |
75.3 |
45.2 |
0.7 |
| Deviation |
6.5 |
1.6 |
4.7 |
0.1 |
36.4 |
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)
| 
