Database: Wind Shock Analysis
Event ID: 19971211202
Observation time: 05/01/1997 121.50203 1202 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
121.502031 |
| Arrival time of shock [seconds of day] |
43375.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
214.987 |
| Y GSE location of spacecraft [Re] |
-1.780 |
| Z GSE location of spacecraft [Re] |
23.840 |
| Upstream plasma points selected for analysis |
0011 |
| Upstream field points selected for analysis |
0304 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0333 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.37, 13.14, 13.29 |
Event added to database
|
Mon Feb 14 11:04:35 2005
|
Event last processed
|
Mon Mar 30 16:54:07 2009
|
Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
57.643 ± 2.397
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-339.2 ± 0.8 |
-360.5 ± 4.1 |
| Vy GSE [km/s] |
6.7 ± 1.9 |
-5.8 ± 3.1 |
| Vz GSE [km/s] |
-11.1 ± 1.5 |
24.7 ± 3.3 |
| Wi [km/s] |
27.0 ± 0.5 |
35.2 ± 1.8 |
| We [km/s] |
853.4 ± 17.1 |
1111.9 ± 56.2 |
| Ni [n/cc] |
11.3 ± 0.3 |
24.0 ± 0.8 |
| Bx GSE [nT] |
1.6 ± 0.4 |
3.5 ± 0.9 |
| By GSE [nT] |
0.1 ± 0.7 |
-2.3 ± 1.7 |
| Bz GSE [nT] |
-0.4 ± 0.7 |
0.1 ± 1.1 |
Plasma Beta
|
4.864 ± 4.632
|
2.917 ± 2.870
|
Sound Speed [km/s]
|
34.84 ± 0.70
|
45.39 ± 2.29
|
Alfven Speed [km/s]
|
12.44 ± 1.45
|
20.76 ± 1.53
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.910 ± 0.226 |
-0.284 ± 0.532 |
0.302 ± 0.292 |
17.56 ± 30.83 |
197.33 ± 33.33 |
| VC |
-0.492 ± 0.062 |
-0.293 ± 0.086 |
0.820 ± 0.550 |
55.10 ± 3.08 |
210.76 ± 9.66 |
| MX1 |
-0.730 ± 0.363 |
-0.389 ± 0.406 |
0.562 ± 0.493 |
34.18 ± 35.16 |
208.03 ± 29.20 |
| MX2 |
-0.529 ± 0.162 |
-0.296 ± 0.224 |
0.795 ± 0.557 |
52.67 ± 8.98 |
209.26 ± 23.33 |
| MX3 |
-0.543 ± 0.154 |
-0.251 ± 0.220 |
0.801 ± 0.556 |
53.23 ± 9.35 |
204.83 ± 22.44 |
| RH08 |
-0.983 ± 0.004 |
-0.060 ± 0.017 |
-0.173 ± 0.171 |
-9.97 ± 1.19 |
183.51 ± 0.97 |
| RH09 |
-0.987 ± 0.011 |
-0.095 ± 0.070 |
0.128 ± 0.128 |
7.38 ± 4.01 |
185.52 ± 4.07 |
| RH10 |
-0.988 ± 0.011 |
-0.095 ± 0.070 |
0.117 ± 0.117 |
6.74 ± 4.01 |
185.52 ± 4.07 |
| Average |
-0.770 |
-0.221 |
0.419 |
27.111 |
198.094 |
| Median |
-0.730 |
-0.251 |
0.562 |
34.177 |
204.832 |
| Deviation |
0.223 |
0.120 |
0.380 |
25.184 |
11.704 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
30.3 ± 17.0 |
365.2 ± 8.4 |
2.14 ± 0.12 |
| VC |
49.0 ± 26.6 |
237.5 ± 8.4 |
2.14 ± 0.12 |
| MX1 |
36.6 ± 24.0 |
314.8 ± 8.5 |
2.14 ± 0.12 |
| MX2 |
47.1 ± 26.0 |
250.2 ± 8.5 |
2.14 ± 0.12 |
| MX3 |
46.4 ± 25.4 |
255.2 ± 8.7 |
2.14 ± 0.12 |
| RH08 |
35.7 ± 18.3 |
360.7 ± 6.9 |
2.14 ± 0.12 |
| RH09 |
29.6 ± 14.0 |
380.0 ± 8.4 |
2.14 ± 0.12 |
| RH10 |
29.8 ± 14.1 |
379.8 ± 8.3 |
2.14 ± 0.12 |
| Average |
38.1 |
317.9 |
2.14 |
| Median |
36.6 |
360.7 |
2.14 |
| Deviation |
8.3 |
61.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
61.8 ± 1.0 |
10.5 ± 1.2 |
10.7 ± 1.3 |
35.5 ± 0.7 |
5.92 ± 0.62 |
1.74 ± 0.05 |
| VC |
81.8 ± 1.3 |
7.9 ± 0.8 |
8.2 ± 1.0 |
36.2 ± 0.8 |
10.51 ± 1.10 |
2.26 ± 0.07 |
| MX1 |
75.9 ± 1.2 |
9.7 ± 1.1 |
10.0 ± 1.2 |
35.7 ± 0.7 |
7.87 ± 0.82 |
2.13 ± 0.06 |
| MX2 |
81.6 ± 1.3 |
8.2 ± 0.9 |
8.5 ± 1.0 |
36.1 ± 0.8 |
10.09 ± 1.06 |
2.26 ± 0.07 |
| MX3 |
81.5 ± 1.3 |
8.3 ± 0.9 |
8.6 ± 1.0 |
36.1 ± 0.8 |
9.95 ± 1.05 |
2.26 ± 0.07 |
| RH8 |
25.8 ± 0.8 |
9.9 ± 1.1 |
10.1 ± 1.2 |
35.7 ± 0.7 |
2.64 ± 0.27 |
0.72 ± 0.03 |
| RH9 |
47.2 ± 0.9 |
10.6 ± 1.2 |
10.8 ± 1.3 |
35.4 ± 0.7 |
4.49 ± 0.48 |
1.33 ± 0.04 |
| RH10 |
46.5 ± 0.9 |
10.6 ± 1.2 |
10.8 ± 1.3 |
35.4 ± 0.7 |
4.43 ± 0.47 |
1.31 ± 0.04 |
| Average |
62.7 |
9.5 |
9.7 |
35.8 |
7.0 |
1.8 |
| Median |
75.9 |
9.9 |
10.1 |
35.7 |
7.9 |
2.1 |
| Deviation |
21.1 |
1.2 |
1.1 |
0.3 |
3.0 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
28.0 ± 4.1 |
17.4 ± 1.2 |
17.9 ± 1.3 |
46.8 ± 2.2 |
1.63 ± 0.29 |
0.60 ± 0.10 |
| VC |
38.3 ± 4.0 |
12.8 ± 0.8 |
13.6 ± 1.0 |
48.3 ± 2.2 |
3.01 ± 0.44 |
0.79 ± 0.10 |
| MX1 |
35.4 ± 4.0 |
16.0 ± 1.1 |
16.7 ± 1.2 |
47.3 ± 2.2 |
2.23 ± 0.34 |
0.75 ± 0.10 |
| MX2 |
38.1 ± 4.1 |
13.3 ± 0.9 |
14.1 ± 1.0 |
48.1 ± 2.2 |
2.88 ± 0.42 |
0.79 ± 0.10 |
| MX3 |
38.1 ± 4.2 |
13.5 ± 0.9 |
14.3 ± 1.1 |
48.1 ± 2.2 |
2.84 ± 0.43 |
0.80 ± 0.10 |
| RH8 |
10.3 ± 3.6 |
16.2 ± 1.1 |
16.9 ± 1.2 |
47.2 ± 2.2 |
0.64 ± 0.23 |
0.22 ± 0.08 |
| RH9 |
20.4 ± 4.3 |
17.5 ± 1.2 |
18.0 ± 1.3 |
46.8 ± 2.2 |
1.17 ± 0.27 |
0.44 ± 0.10 |
| RH10 |
20.0 ± 4.2 |
17.5 ± 1.2 |
18.0 ± 1.3 |
46.8 ± 2.2 |
1.16 ± 0.27 |
0.43 ± 0.10 |
| Average |
28.6 |
15.5 |
16.2 |
47.4 |
1.9 |
0.6 |
| Median |
35.4 |
16.2 |
16.9 |
47.3 |
2.2 |
0.8 |
| Deviation |
10.7 |
2.0 |
1.9 |
0.6 |
0.9 |
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)
| 
