Database: Wind Shock Analysis
Event ID: 19950011936
Observation time: 01/01/1995 1.81668 1936 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
1.816684 |
| Arrival time of shock [seconds of day] |
70561.5 ± 12.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
78.334 |
| Y GSE location of spacecraft [Re] |
-72.071 |
| Z GSE location of spacecraft [Re] |
-5.870 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0205 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0205 |
| Minimum chisq/dof for RH8,RH9,RH10 |
22.24, 26.62, 27.45 |
Event added to database
|
Mon Feb 14 10:59:40 2005
|
Event last processed
|
Mon Oct 7 13:49:56 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
14.831 ± 0.725
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-318.2 ± 1.4 |
-348.0 ± 1.4 |
| Vy GSE [km/s] |
1.4 ± 1.6 |
-26.0 ± 1.2 |
| Vz GSE [km/s] |
-3.3 ± 1.7 |
7.7 ± 1.7 |
| Wi [km/s] |
22.3 ± 1.6 |
30.5 ± 0.8 |
| We [km/s] |
704.2 ± 51.5 |
965.6 ± 24.7 |
| Ni [n/cc] |
12.3 ± 0.4 |
27.4 ± 2.4 |
| Bx GSE [nT] |
-1.6 ± 0.5 |
-4.4 ± 0.2 |
| By GSE [nT] |
1.6 ± 0.4 |
6.1 ± 0.3 |
| Bz GSE [nT] |
2.1 ± 0.4 |
-0.0 ± 0.8 |
Plasma Beta
|
1.290 ± 1.280
|
0.933 ± 0.907
|
Sound Speed [km/s]
|
28.75 ± 2.10
|
39.42 ± 1.01
|
Alfven Speed [km/s]
|
19.62 ± 1.43
|
31.68 ± 1.47
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.361 ± 0.140 |
0.239 ± 0.144 |
0.901 ± 0.486 |
64.35 ± 8.74 |
146.55 ± 19.36 |
| VC |
-0.711 ± 0.025 |
-0.653 ± 0.027 |
0.261 ± 0.255 |
15.13 ± 2.96 |
222.59 ± 2.03 |
| MX1 |
-0.804 ± 0.120 |
-0.168 ± 0.246 |
0.570 ± 0.498 |
34.75 ± 11.19 |
191.82 ± 17.48 |
| MX2 |
-0.870 ± 0.036 |
-0.423 ± 0.070 |
0.255 ± 0.249 |
14.78 ± 3.04 |
205.93 ± 4.61 |
| MX3 |
-0.869 ± 0.030 |
-0.466 ± 0.054 |
0.168 ± 0.166 |
9.66 ± 3.93 |
208.23 ± 3.51 |
| RH08 |
-0.923 ± 0.005 |
-0.292 ± 0.013 |
0.251 ± 0.246 |
14.56 ± 0.75 |
197.55 ± 0.78 |
| RH09 |
-0.968 ± 0.017 |
-0.180 ± 0.062 |
0.173 ± 0.171 |
9.97 ± 4.09 |
190.53 ± 3.68 |
| RH10 |
-0.971 ± 0.016 |
-0.163 ± 0.063 |
0.173 ± 0.171 |
9.97 ± 4.10 |
189.53 ± 3.70 |
| Average |
-0.810 |
-0.263 |
0.344 |
21.646 |
194.090 |
| Median |
-0.869 |
-0.180 |
0.255 |
14.780 |
197.549 |
| Deviation |
0.201 |
0.267 |
0.260 |
19.092 |
22.243 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
22.8 ± 9.1 |
138.2 ± 2.1 |
2.24 ± 0.22 |
| VC |
78.1 ± 7.0 |
301.0 ± 4.4 |
2.24 ± 0.22 |
| MX1 |
44.9 ± 7.0 |
317.4 ± 2.9 |
2.24 ± 0.22 |
| MX2 |
66.5 ± 6.9 |
349.0 ± 3.9 |
2.24 ± 0.22 |
| MX3 |
71.6 ± 6.9 |
349.2 ± 4.1 |
2.24 ± 0.22 |
| RH08 |
60.8 ± 6.9 |
362.2 ± 3.5 |
2.24 ± 0.22 |
| RH09 |
59.0 ± 7.2 |
372.6 ± 3.2 |
2.24 ± 0.22 |
| RH10 |
58.4 ± 7.2 |
372.9 ± 3.1 |
2.24 ± 0.22 |
| Average |
57.8 |
320.3 |
2.24 |
| Median |
60.8 |
349.2 |
2.24 |
| Deviation |
17.2 |
77.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
25.9 ± 1.3 |
17.2 ± 1.2 |
18.1 ± 1.3 |
30.3 ± 2.2 |
1.52 ± 0.17 |
0.86 ± 0.10 |
| VC |
76.7 ± 1.5 |
3.4 ± 0.2 |
4.1 ± 0.3 |
34.6 ± 2.5 |
22.88 ± 1.33 |
2.22 ± 0.13 |
| MX1 |
63.6 ± 0.9 |
12.3 ± 0.9 |
13.9 ± 1.0 |
32.6 ± 2.4 |
5.20 ± 0.35 |
1.96 ± 0.13 |
| MX2 |
73.7 ± 1.3 |
6.6 ± 0.5 |
7.8 ± 0.6 |
34.2 ± 2.5 |
11.26 ± 0.65 |
2.17 ± 0.12 |
| MX3 |
74.0 ± 1.5 |
5.2 ± 0.4 |
6.2 ± 0.5 |
34.4 ± 2.5 |
14.33 ± 0.80 |
2.16 ± 0.12 |
| RH8 |
69.8 ± 1.3 |
8.1 ± 0.6 |
9.6 ± 0.7 |
33.8 ± 2.4 |
8.61 ± 0.50 |
2.07 ± 0.12 |
| RH9 |
65.3 ± 1.3 |
8.6 ± 0.6 |
10.1 ± 0.7 |
33.7 ± 2.4 |
7.62 ± 0.43 |
1.94 ± 0.11 |
| RH10 |
64.6 ± 1.3 |
8.8 ± 0.6 |
10.3 ± 0.7 |
33.7 ± 2.4 |
7.38 ± 0.41 |
1.92 ± 0.11 |
| Average |
64.2 |
8.8 |
10.0 |
33.4 |
9.8 |
1.9 |
| Median |
69.8 |
8.6 |
10.1 |
33.8 |
8.6 |
2.1 |
| Deviation |
16.2 |
4.3 |
4.4 |
1.4 |
6.5 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
11.8 ± 1.8 |
26.8 ± 1.0 |
29.2 ± 1.4 |
42.9 ± 1.1 |
0.44 ± 0.06 |
0.28 ± 0.04 |
| VC |
34.7 ± 2.0 |
5.1 ± 0.2 |
6.5 ± 0.3 |
50.3 ± 1.4 |
6.78 ± 0.43 |
0.69 ± 0.05 |
| MX1 |
28.7 ± 2.1 |
18.9 ± 0.6 |
22.5 ± 1.0 |
46.9 ± 1.3 |
1.52 ± 0.11 |
0.61 ± 0.05 |
| MX2 |
33.4 ± 1.9 |
10.0 ± 0.3 |
12.6 ± 0.6 |
49.6 ± 1.4 |
3.34 ± 0.21 |
0.67 ± 0.04 |
| MX3 |
33.5 ± 1.8 |
7.9 ± 0.3 |
10.0 ± 0.5 |
50.0 ± 1.4 |
4.24 ± 0.26 |
0.67 ± 0.04 |
| RH8 |
31.6 ± 1.9 |
12.4 ± 0.4 |
15.5 ± 0.7 |
49.0 ± 1.3 |
2.54 ± 0.16 |
0.64 ± 0.04 |
| RH9 |
29.6 ± 1.7 |
13.1 ± 0.4 |
16.3 ± 0.8 |
48.8 ± 1.3 |
2.25 ± 0.14 |
0.61 ± 0.04 |
| RH10 |
29.3 ± 1.7 |
13.4 ± 0.5 |
16.6 ± 0.8 |
48.8 ± 1.3 |
2.18 ± 0.13 |
0.60 ± 0.04 |
| Average |
29.1 |
13.5 |
16.2 |
48.3 |
2.9 |
0.6 |
| Median |
31.6 |
13.1 |
16.3 |
49.0 |
2.5 |
0.6 |
| Deviation |
7.3 |
6.8 |
7.1 |
2.4 |
1.9 |
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)
| 
