Database: Wind Shock Analysis
Event ID: 19953490436
Observation time: 12/15/1995 349.19227 0436 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
349.192274 |
| Arrival time of shock [seconds of day] |
16612.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
75.976 |
| Y GSE location of spacecraft [Re] |
26.592 |
| Z GSE location of spacecraft [Re] |
7.780 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0225 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0204 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.15, 8.09, 8.37 |
Event added to database
|
Mon Feb 14 11:01:51 2005
|
Event last processed
|
Mon Mar 30 16:01:54 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
20.383 ± 1.153
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-309.2 ± 0.7 |
-330.3 ± 0.7 |
| Vy GSE [km/s] |
11.1 ± 1.0 |
17.8 ± 1.6 |
| Vz GSE [km/s] |
-13.7 ± 0.8 |
-0.8 ± 1.3 |
| Wi [km/s] |
19.5 ± 0.6 |
26.5 ± 0.7 |
| We [km/s] |
616.6 ± 18.5 |
836.4 ± 22.5 |
| Ni [n/cc] |
13.2 ± 0.4 |
26.9 ± 1.0 |
| Bx GSE [nT] |
2.4 ± 0.1 |
2.7 ± 0.3 |
| By GSE [nT] |
-2.3 ± 0.2 |
-3.2 ± 0.3 |
| Bz GSE [nT] |
0.8 ± 0.2 |
3.0 ± 0.4 |
Plasma Beta
|
0.882 ± 0.912
|
1.512 ± 1.599
|
Sound Speed [km/s]
|
25.17 ± 0.76
|
34.15 ± 0.92
|
Alfven Speed [km/s]
|
20.82 ± 0.62
|
21.66 ± 1.71
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.784 ± 0.090 |
0.549 ± 0.126 |
0.291 ± 0.283 |
16.93 ± 4.82 |
144.99 ± 9.17 |
| VC |
-0.826 ± 0.032 |
0.258 ± 0.064 |
0.501 ± 0.454 |
30.10 ± 2.95 |
162.62 ± 4.40 |
| MX1 |
-0.856 ± 0.035 |
0.438 ± 0.059 |
0.275 ± 0.268 |
15.99 ± 4.06 |
152.89 ± 3.93 |
| MX2 |
-0.870 ± 0.031 |
0.411 ± 0.055 |
0.270 ± 0.264 |
15.69 ± 4.10 |
154.71 ± 3.59 |
| MX3 |
-0.885 ± 0.032 |
0.384 ± 0.062 |
0.264 ± 0.258 |
15.32 ± 4.23 |
156.52 ± 4.00 |
| RH08 |
-0.951 ± 0.005 |
0.247 ± 0.018 |
0.184 ± 0.182 |
10.62 ± 0.70 |
165.46 ± 1.08 |
| RH09 |
-0.970 ± 0.017 |
0.198 ± 0.069 |
0.140 ± 0.139 |
8.03 ± 4.00 |
168.47 ± 4.07 |
| RH10 |
-0.970 ± 0.017 |
0.198 ± 0.069 |
0.140 ± 0.139 |
8.03 ± 4.02 |
168.47 ± 4.07 |
| Average |
-0.889 |
0.335 |
0.258 |
15.088 |
159.267 |
| Median |
-0.870 |
0.384 |
0.270 |
15.687 |
162.625 |
| Deviation |
0.069 |
0.129 |
0.116 |
7.066 |
8.381 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
32.2 ± 3.1 |
290.9 ± 2.7 |
2.04 ± 0.08 |
| VC |
51.1 ± 2.6 |
301.0 ± 3.1 |
2.04 ± 0.08 |
| MX1 |
34.4 ± 2.7 |
313.4 ± 2.7 |
2.04 ± 0.08 |
| MX2 |
35.1 ± 2.5 |
318.0 ± 2.7 |
2.04 ± 0.08 |
| MX3 |
35.8 ± 2.4 |
322.2 ± 2.7 |
2.04 ± 0.08 |
| RH08 |
38.3 ± 2.0 |
341.2 ± 2.7 |
2.04 ± 0.08 |
| RH09 |
39.2 ± 1.9 |
346.1 ± 2.7 |
2.04 ± 0.08 |
| RH10 |
39.2 ± 1.9 |
346.1 ± 2.7 |
2.04 ± 0.08 |
| Average |
38.2 |
322.4 |
2.04 |
| Median |
38.3 |
322.2 |
2.04 |
| Deviation |
5.8 |
20.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
46.5 ± 1.2 |
15.4 ± 0.2 |
17.6 ± 0.5 |
28.8 ± 0.5 |
3.03 ± 0.12 |
1.61 ± 0.06 |
| VC |
49.7 ± 1.1 |
10.7 ± 0.2 |
13.1 ± 0.4 |
30.9 ± 0.5 |
4.66 ± 0.16 |
1.61 ± 0.05 |
| MX1 |
47.8 ± 1.1 |
14.8 ± 0.2 |
17.2 ± 0.5 |
29.1 ± 0.5 |
3.22 ± 0.12 |
1.64 ± 0.05 |
| MX2 |
48.0 ± 1.1 |
14.7 ± 0.2 |
17.0 ± 0.5 |
29.2 ± 0.5 |
3.27 ± 0.12 |
1.64 ± 0.05 |
| MX3 |
48.1 ± 1.1 |
14.5 ± 0.2 |
16.9 ± 0.5 |
29.3 ± 0.5 |
3.31 ± 0.12 |
1.64 ± 0.05 |
| RH8 |
46.8 ± 1.0 |
13.9 ± 0.2 |
16.3 ± 0.5 |
29.6 ± 0.5 |
3.37 ± 0.11 |
1.58 ± 0.05 |
| RH9 |
45.9 ± 0.9 |
13.7 ± 0.2 |
16.1 ± 0.5 |
29.7 ± 0.5 |
3.35 ± 0.11 |
1.55 ± 0.04 |
| RH10 |
45.9 ± 0.9 |
13.7 ± 0.2 |
16.1 ± 0.5 |
29.7 ± 0.5 |
3.35 ± 0.11 |
1.55 ± 0.04 |
| Average |
47.3 |
13.9 |
16.3 |
29.5 |
3.4 |
1.6 |
| Median |
47.8 |
14.5 |
16.9 |
29.6 |
3.4 |
1.6 |
| Deviation |
1.3 |
1.4 |
1.4 |
0.6 |
0.5 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
22.6 ± 0.7 |
17.0 ± 1.1 |
18.3 ± 1.5 |
36.7 ± 1.0 |
1.33 ± 0.08 |
0.62 ± 0.02 |
| VC |
24.1 ± 0.6 |
12.0 ± 0.7 |
13.6 ± 1.1 |
38.6 ± 1.1 |
2.01 ± 0.13 |
0.62 ± 0.02 |
| MX1 |
23.3 ± 0.5 |
16.5 ± 1.0 |
17.9 ± 1.4 |
36.9 ± 1.0 |
1.42 ± 0.08 |
0.63 ± 0.02 |
| MX2 |
23.4 ± 0.5 |
16.3 ± 1.0 |
17.7 ± 1.4 |
37.0 ± 1.0 |
1.44 ± 0.08 |
0.63 ± 0.02 |
| MX3 |
23.5 ± 0.5 |
16.2 ± 1.0 |
17.6 ± 1.4 |
37.1 ± 1.0 |
1.46 ± 0.08 |
0.63 ± 0.02 |
| RH8 |
22.7 ± 0.4 |
15.5 ± 1.0 |
17.0 ± 1.3 |
37.4 ± 1.0 |
1.47 ± 0.09 |
0.61 ± 0.02 |
| RH9 |
22.3 ± 0.4 |
15.3 ± 0.9 |
16.8 ± 1.3 |
37.5 ± 1.1 |
1.46 ± 0.09 |
0.60 ± 0.02 |
| RH10 |
22.3 ± 0.4 |
15.3 ± 0.9 |
16.8 ± 1.3 |
37.5 ± 1.1 |
1.46 ± 0.09 |
0.60 ± 0.02 |
| Average |
23.0 |
15.5 |
17.0 |
37.3 |
1.5 |
0.6 |
| Median |
23.3 |
16.2 |
17.6 |
37.4 |
1.5 |
0.6 |
| Deviation |
0.6 |
1.5 |
1.5 |
0.6 |
0.2 |
0.0 |
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)
| 
