Database: Wind Shock Analysis
Event ID: 19982961258
Observation time: 10/23/1998 296.54054 1258 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
296.540538 |
| Arrival time of shock [seconds of day] |
46702.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
47.993 |
| Y GSE location of spacecraft [Re] |
33.636 |
| Z GSE location of spacecraft [Re] |
6.002 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0258 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0231 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.62, 29.33, 30.07 |
Event added to database
|
Mon Feb 14 11:07:16 2005
|
Event last processed
|
Thu Apr 14 15:18:42 2005
|
Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
7.057 ± 0.683
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-489.9 ± 4.3 |
-541.2 ± 2.9 |
| Vy GSE [km/s] |
28.6 ± 6.6 |
48.2 ± 13.2 |
| Vz GSE [km/s] |
3.8 ± 11.1 |
-48.1 ± 5.9 |
| Wi [km/s] |
49.0 ± 1.4 |
100.4 ± 4.0 |
| We [km/s] |
1548.7 ± 42.8 |
3174.1 ± 127.0 |
| Ni [n/cc] |
2.6 ± 0.1 |
5.6 ± 0.5 |
| Bx GSE [nT] |
-4.0 ± 0.3 |
-6.8 ± 0.8 |
| By GSE [nT] |
-0.8 ± 0.6 |
-0.1 ± 1.0 |
| Bz GSE [nT] |
1.1 ± 0.8 |
-0.4 ± 0.8 |
Plasma Beta
|
0.718 ± 0.741
|
2.574 ± 2.450
|
Sound Speed [km/s]
|
63.22 ± 1.75
|
129.58 ± 5.18
|
Alfven Speed [km/s]
|
57.84 ± 1.49
|
64.48 ± 9.48
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.741 ± 0.322 |
-0.429 ± 0.450 |
0.517 ± 0.465 |
31.13 ± 25.63 |
210.07 ± 33.65 |
| VC |
-0.697 ± 0.097 |
0.253 ± 0.166 |
-0.671 ± 0.545 |
-42.16 ± 6.91 |
160.02 ± 13.46 |
| MX1 |
-0.777 ± 0.408 |
-0.253 ± 0.598 |
0.577 ± 0.502 |
35.23 ± 37.67 |
198.04 ± 43.24 |
| MX2 |
-0.896 ± 0.394 |
-0.094 ± 0.940 |
0.433 ± 0.404 |
25.67 ± 50.76 |
185.98 ± 60.01 |
| MX3 |
-0.955 ± 0.269 |
-0.125 ± 1.301 |
-0.269 ± 0.263 |
-15.63 ± 44.74 |
187.43 ± 78.03 |
| RH08 |
-0.512 ± 0.018 |
-0.213 ± 0.024 |
0.832 ± 0.545 |
56.35 ± 1.16 |
202.56 ± 2.60 |
| RH09 |
-0.917 ± 0.028 |
0.187 ± 0.069 |
-0.352 ± 0.337 |
-20.61 ± 4.02 |
168.47 ± 4.30 |
| RH10 |
-0.917 ± 0.028 |
0.187 ± 0.069 |
-0.352 ± 0.337 |
-20.61 ± 4.02 |
168.47 ± 4.30 |
| Average |
-0.801 |
-0.061 |
0.089 |
6.173 |
185.129 |
| Median |
-0.777 |
-0.094 |
0.433 |
25.669 |
187.429 |
| Deviation |
0.150 |
0.246 |
0.559 |
35.072 |
18.065 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
25.6 ± 5.8 |
357.8 ± 13.8 |
2.16 ± 0.26 |
| VC |
64.9 ± 9.0 |
488.9 ± 11.5 |
2.16 ± 0.26 |
| MX1 |
23.5 ± 6.4 |
386.5 ± 11.2 |
2.16 ± 0.26 |
| MX2 |
16.2 ± 6.6 |
480.0 ± 8.2 |
2.16 ± 0.26 |
| MX3 |
32.0 ± 11.5 |
579.7 ± 10.7 |
2.16 ± 0.26 |
| RH08 |
42.7 ± 9.4 |
209.6 ± 12.7 |
2.16 ± 0.26 |
| RH09 |
43.6 ± 8.4 |
584.6 ± 7.9 |
2.16 ± 0.26 |
| RH10 |
43.6 ± 8.4 |
584.6 ± 7.9 |
2.16 ± 0.26 |
| Average |
36.5 |
459.0 |
2.16 |
| Median |
42.7 |
488.9 |
2.16 |
| Deviation |
15.4 |
133.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
5.1 ± 6.0 |
45.3 ± 1.0 |
52.1 ± 1.3 |
72.7 ± 1.6 |
0.11 ± 0.13 |
0.07 ± 0.08 |
| VC |
142.9 ± 7.7 |
18.5 ± 0.4 |
24.5 ± 0.6 |
83.7 ± 1.8 |
7.71 ± 0.39 |
1.71 ± 0.08 |
| MX1 |
11.1 ± 6.3 |
46.6 ± 1.0 |
53.0 ± 1.4 |
71.9 ± 1.6 |
0.24 ± 0.13 |
0.15 ± 0.09 |
| MX2 |
41.9 ± 5.3 |
50.9 ± 1.1 |
55.5 ± 1.4 |
68.9 ± 1.5 |
0.82 ± 0.09 |
0.61 ± 0.07 |
| MX3 |
116.4 ± 6.2 |
41.3 ± 0.9 |
49.0 ± 1.3 |
75.1 ± 1.7 |
2.82 ± 0.12 |
1.55 ± 0.07 |
| RH8 |
-38.2 ± 8.5 |
34.2 ± 0.7 |
42.5 ± 1.1 |
78.6 ± 1.7 |
-1.12 ± 0.25 |
-0.49 ± 0.11 |
| RH9 |
131.3 ± 5.4 |
33.6 ± 0.7 |
41.9 ± 1.1 |
78.8 ± 1.7 |
3.91 ± 0.13 |
1.66 ± 0.05 |
| RH10 |
131.3 ± 5.4 |
33.6 ± 0.7 |
41.9 ± 1.1 |
78.8 ± 1.7 |
3.91 ± 0.13 |
1.66 ± 0.05 |
| Average |
67.7 |
38.0 |
45.1 |
76.1 |
2.3 |
0.9 |
| Median |
116.4 |
41.3 |
49.0 |
78.6 |
2.8 |
1.5 |
| Deviation |
70.8 |
10.3 |
9.9 |
4.8 |
2.9 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
2.4 ± 7.2 |
56.4 ± 7.6 |
58.1 ± 8.5 |
133.4 ± 4.7 |
0.06 ± 0.14 |
0.02 ± 0.06 |
| VC |
67.5 ± 7.1 |
24.7 ± 2.9 |
27.3 ± 4.0 |
142.9 ± 5.1 |
2.74 ± 0.17 |
0.47 ± 0.04 |
| MX1 |
6.2 ± 5.5 |
57.6 ± 7.9 |
59.1 ± 8.7 |
132.9 ± 4.7 |
0.12 ± 0.12 |
0.05 ± 0.04 |
| MX2 |
20.3 ± 3.6 |
61.0 ± 8.6 |
61.9 ± 9.1 |
131.3 ± 4.9 |
0.34 ± 0.10 |
0.15 ± 0.03 |
| MX3 |
55.9 ± 3.1 |
52.3 ± 6.9 |
54.7 ± 8.0 |
135.1 ± 4.6 |
1.08 ± 0.15 |
0.41 ± 0.02 |
| RH8 |
-17.1 ± 6.4 |
44.4 ± 5.6 |
47.4 ± 7.0 |
138.0 ± 4.7 |
-0.38 ± 0.13 |
-0.12 ± 0.05 |
| RH9 |
62.4 ± 5.4 |
43.7 ± 5.5 |
46.7 ± 6.9 |
138.2 ± 4.7 |
1.44 ± 0.10 |
0.45 ± 0.03 |
| RH10 |
62.4 ± 5.4 |
43.7 ± 5.5 |
46.7 ± 6.9 |
138.2 ± 4.7 |
1.44 ± 0.10 |
0.45 ± 0.03 |
| Average |
32.5 |
48.0 |
50.2 |
136.2 |
0.9 |
0.2 |
| Median |
55.9 |
52.3 |
54.7 |
138.0 |
1.1 |
0.4 |
| Deviation |
33.3 |
11.6 |
11.0 |
3.8 |
1.0 |
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)
| 
