Database: Wind Shock Analysis
Event ID: 19960522214
Observation time: 02/21/1996 52.92682 2214 [UT]
|
|
General
Information (About, Top)
| Year |
1996 |
| Fractional day of year |
52.926823 |
| Arrival time of shock [seconds of day] |
80077.5 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
173.330 |
| Y GSE location of spacecraft [Re] |
-8.578 |
| Z GSE location of spacecraft [Re] |
11.550 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0213 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0189 |
| Minimum chisq/dof for RH8,RH9,RH10 |
25.70, 43.53, 45.36 |
Event added to database
|
Mon Feb 14 11:02:15 2005
|
Event last processed
|
Mon Mar 30 16:07:10 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
39.093 ± 2.396
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-393.7 ± 1.8 |
-413.1 ± 0.6 |
| Vy GSE [km/s] |
1.2 ± 1.3 |
-0.9 ± 0.9 |
| Vz GSE [km/s] |
-12.1 ± 1.1 |
5.3 ± 1.1 |
| Wi [km/s] |
35.9 ± 1.0 |
36.0 ± 0.7 |
| We [km/s] |
1136.4 ± 32.9 |
1137.2 ± 22.4 |
| Ni [n/cc] |
4.1 ± 0.1 |
6.4 ± 0.2 |
| Bx GSE [nT] |
3.0 ± 0.1 |
3.8 ± 0.1 |
| By GSE [nT] |
-0.1 ± 0.2 |
0.7 ± 0.1 |
| Bz GSE [nT] |
0.6 ± 0.1 |
2.0 ± 0.2 |
Plasma Beta
|
1.161 ± 1.144
|
0.932 ± 0.959
|
Sound Speed [km/s]
|
46.39 ± 1.34
|
46.42 ± 0.92
|
Alfven Speed [km/s]
|
33.38 ± 1.18
|
37.29 ± 0.87
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.896 ± 0.037 |
0.354 ± 0.068 |
0.268 ± 0.261 |
15.52 ± 5.78 |
158.45 ± 4.30 |
| VC |
-0.742 ± 0.032 |
-0.080 ± 0.055 |
0.665 ± 0.543 |
41.69 ± 2.69 |
186.15 ± 4.27 |
| MX1 |
-0.868 ± 0.057 |
-0.052 ± 0.066 |
0.494 ± 0.449 |
29.59 ± 6.62 |
183.40 ± 4.33 |
| MX2 |
-0.847 ± 0.046 |
-0.105 ± 0.050 |
0.521 ± 0.468 |
31.38 ± 5.03 |
187.07 ± 3.39 |
| MX3 |
-0.822 ± 0.039 |
-0.163 ± 0.071 |
0.545 ± 0.484 |
33.06 ± 3.85 |
191.19 ± 4.91 |
| RH08 |
-0.968 ± 0.003 |
-0.128 ± 0.009 |
0.218 ± 0.214 |
12.58 ± 0.59 |
187.52 ± 0.55 |
| RH09 |
-0.995 ± 0.007 |
-0.044 ± 0.069 |
0.095 ± 0.095 |
5.45 ± 4.02 |
182.51 ± 3.99 |
| RH10 |
-0.996 ± 0.007 |
-0.044 ± 0.069 |
0.084 ± 0.084 |
4.81 ± 4.02 |
182.51 ± 3.99 |
| Average |
-0.892 |
-0.033 |
0.361 |
21.759 |
182.350 |
| Median |
-0.868 |
-0.052 |
0.494 |
29.586 |
186.151 |
| Deviation |
0.090 |
0.162 |
0.222 |
13.915 |
10.099 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
32.9 ± 3.4 |
408.2 ± 5.4 |
1.58 ± 0.06 |
| VC |
53.9 ± 1.6 |
354.8 ± 5.3 |
1.58 ± 0.06 |
| MX1 |
41.6 ± 1.6 |
404.8 ± 5.4 |
1.58 ± 0.06 |
| MX2 |
44.0 ± 1.4 |
396.6 ± 5.4 |
1.58 ± 0.06 |
| MX3 |
46.6 ± 1.3 |
386.3 ± 5.3 |
1.58 ± 0.06 |
| RH08 |
26.3 ± 1.0 |
440.0 ± 5.3 |
1.58 ± 0.06 |
| RH09 |
18.0 ± 1.1 |
447.7 ± 5.2 |
1.58 ± 0.06 |
| RH10 |
17.4 ± 1.1 |
447.8 ± 5.2 |
1.58 ± 0.06 |
| Average |
35.1 |
410.8 |
1.58 |
| Median |
41.6 |
408.2 |
1.58 |
| Deviation |
13.6 |
32.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
58.2 ± 1.9 |
25.4 ± 0.8 |
28.0 ± 1.0 |
51.2 ± 1.5 |
2.30 ± 0.13 |
1.14 ± 0.06 |
| VC |
70.7 ± 1.9 |
16.7 ± 0.5 |
19.7 ± 0.7 |
54.7 ± 1.6 |
4.24 ± 0.23 |
1.30 ± 0.07 |
| MX1 |
69.1 ± 2.0 |
21.9 ± 0.7 |
25.0 ± 0.9 |
52.8 ± 1.5 |
3.16 ± 0.18 |
1.31 ± 0.07 |
| MX2 |
69.5 ± 2.0 |
21.0 ± 0.7 |
24.0 ± 0.8 |
53.2 ± 1.5 |
3.32 ± 0.18 |
1.31 ± 0.07 |
| MX3 |
69.5 ± 2.0 |
19.9 ± 0.6 |
22.9 ± 0.8 |
53.6 ± 1.5 |
3.50 ± 0.19 |
1.30 ± 0.07 |
| RH8 |
61.9 ± 2.0 |
27.8 ± 0.9 |
29.9 ± 1.1 |
49.9 ± 1.4 |
2.23 ± 0.13 |
1.24 ± 0.07 |
| RH9 |
57.4 ± 1.9 |
30.4 ± 1.0 |
31.7 ± 1.1 |
48.4 ± 1.4 |
1.89 ± 0.11 |
1.19 ± 0.07 |
| RH10 |
57.0 ± 1.9 |
30.6 ± 1.0 |
31.8 ± 1.1 |
48.3 ± 1.4 |
1.86 ± 0.11 |
1.18 ± 0.07 |
| Average |
64.2 |
24.2 |
26.6 |
51.5 |
2.8 |
1.2 |
| Median |
69.1 |
25.4 |
28.0 |
52.8 |
3.2 |
1.3 |
| Deviation |
6.1 |
5.1 |
4.4 |
2.4 |
0.9 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
36.9 ± 0.7 |
27.5 ± 0.4 |
31.3 ± 0.7 |
52.8 ± 0.6 |
1.34 ± 0.04 |
0.70 ± 0.01 |
| VC |
44.6 ± 0.8 |
18.0 ± 0.2 |
22.0 ± 0.5 |
56.8 ± 0.7 |
2.48 ± 0.05 |
0.79 ± 0.01 |
| MX1 |
43.6 ± 0.7 |
23.7 ± 0.3 |
27.9 ± 0.6 |
54.6 ± 0.6 |
1.84 ± 0.04 |
0.80 ± 0.01 |
| MX2 |
43.8 ± 0.7 |
22.6 ± 0.3 |
26.8 ± 0.6 |
55.1 ± 0.6 |
1.94 ± 0.04 |
0.79 ± 0.01 |
| MX3 |
43.7 ± 0.7 |
21.4 ± 0.3 |
25.6 ± 0.6 |
55.6 ± 0.6 |
2.04 ± 0.04 |
0.79 ± 0.01 |
| RH8 |
39.0 ± 0.5 |
30.2 ± 0.4 |
33.4 ± 0.8 |
51.3 ± 0.7 |
1.29 ± 0.03 |
0.76 ± 0.01 |
| RH9 |
36.4 ± 0.5 |
33.4 ± 0.5 |
35.5 ± 0.8 |
49.3 ± 0.7 |
1.09 ± 0.03 |
0.74 ± 0.01 |
| RH10 |
36.1 ± 0.5 |
33.6 ± 0.6 |
35.6 ± 0.8 |
49.2 ± 0.7 |
1.08 ± 0.03 |
0.73 ± 0.01 |
| Average |
40.5 |
26.3 |
29.8 |
53.1 |
1.6 |
0.8 |
| Median |
43.6 |
27.5 |
31.3 |
54.6 |
1.8 |
0.8 |
| Deviation |
3.7 |
5.8 |
5.0 |
2.9 |
0.5 |
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)
| 
