Database: Wind Shock Analysis
Event ID: 19973630452
Observation time: 12/29/1997 363.20286 0452 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
363.202865 |
| Arrival time of shock [seconds of day] |
17527.5 ± 6.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
223.293 |
| Y GSE location of spacecraft [Re] |
20.080 |
| Z GSE location of spacecraft [Re] |
4.777 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0291 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0287 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.83, 14.95, 15.40 |
Event added to database
|
Mon Feb 14 11:05:44 2005
|
Event last processed
|
Mon Mar 30 17:25:02 2009
|
Method selected
|
MX2
|
Propagation delay to Earth [minutes]
|
72.016 ± 66.997
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-281.8 ± 1.6 |
-293.9 ± 0.8 |
| Vy GSE [km/s] |
5.8 ± 1.4 |
11.8 ± 2.5 |
| Vz GSE [km/s] |
0.4 ± 1.8 |
-8.6 ± 2.7 |
| Wi [km/s] |
23.5 ± 0.7 |
30.4 ± 1.2 |
| We [km/s] |
744.5 ± 23.7 |
960.0 ± 37.6 |
| Ni [n/cc] |
6.8 ± 0.2 |
9.4 ± 0.3 |
| Bx GSE [nT] |
1.9 ± 0.1 |
0.7 ± 0.2 |
| By GSE [nT] |
-5.5 ± 0.1 |
-3.5 ± 0.3 |
| Bz GSE [nT] |
1.6 ± 0.3 |
-0.8 ± 0.4 |
Plasma Beta
|
0.216 ± 0.217
|
1.395 ± 1.436
|
Sound Speed [km/s]
|
30.39 ± 0.97
|
39.19 ± 1.54
|
Alfven Speed [km/s]
|
50.77 ± 0.95
|
26.09 ± 2.34
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.754 ± 0.785 |
0.593 ± 0.987 |
0.280 ± 0.273 |
16.28 ± 37.70 |
141.81 ± 74.44 |
| VC |
-0.757 ± 0.115 |
0.365 ± 0.152 |
-0.542 ± 0.482 |
-32.84 ± 10.76 |
154.24 ± 11.02 |
| MX1 |
-0.582 ± 0.157 |
-0.740 ± 0.130 |
-0.337 ± 0.324 |
-19.71 ± 11.67 |
231.80 ± 11.69 |
| MX2 |
-0.436 ± 0.599 |
-0.762 ± 0.365 |
-0.479 ± 0.438 |
-28.60 ± 18.57 |
240.23 ± 44.66 |
| MX3 |
-0.945 ± 0.138 |
-0.309 ± 0.412 |
0.103 ± 0.103 |
5.92 ± 18.31 |
198.13 ± 24.94 |
| RH08 |
-0.900 ± 0.004 |
-0.285 ± 0.009 |
0.330 ± 0.317 |
19.25 ± 0.39 |
197.55 ± 0.58 |
| RH09 |
-0.886 ± 0.031 |
-0.315 ± 0.063 |
0.341 ± 0.327 |
19.92 ± 3.84 |
199.55 ± 4.04 |
| RH10 |
-0.887 ± 0.031 |
-0.298 ± 0.065 |
0.352 ± 0.337 |
20.61 ± 3.83 |
198.55 ± 4.15 |
| Average |
-0.769 |
-0.219 |
0.006 |
0.104 |
195.233 |
| Median |
-0.757 |
-0.298 |
0.280 |
16.283 |
198.552 |
| Deviation |
0.178 |
0.477 |
0.392 |
23.228 |
33.679 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
45.3 ± 1.7 |
250.1 ± 12.5 |
1.37 ± 0.04 |
| VC |
44.1 ± 2.1 |
275.7 ± 9.7 |
1.37 ± 0.04 |
| MX1 |
66.6 ± 2.0 |
181.7 ± 10.6 |
1.37 ± 0.04 |
| MX2 |
64.8 ± 2.3 |
138.6 ± 11.9 |
1.37 ± 0.04 |
| MX3 |
89.5 ± 1.3 |
297.4 ± 7.3 |
1.37 ± 0.04 |
| RH08 |
86.5 ± 1.3 |
275.5 ± 6.9 |
1.37 ± 0.04 |
| RH09 |
84.5 ± 1.3 |
269.6 ± 6.8 |
1.37 ± 0.04 |
| RH10 |
85.2 ± 1.3 |
270.2 ± 6.8 |
1.37 ± 0.04 |
| Average |
70.8 |
244.8 |
1.37 |
| Median |
84.5 |
270.2 |
1.37 |
| Deviation |
18.6 |
55.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
33.8 ± 0.9 |
19.4 ± 0.4 |
35.7 ± 0.7 |
55.9 ± 0.5 |
1.74 ± 0.07 |
0.61 ± 0.01 |
| VC |
60.5 ± 1.8 |
19.9 ± 0.4 |
36.5 ± 0.7 |
55.7 ± 0.6 |
3.05 ± 0.08 |
1.09 ± 0.04 |
| MX1 |
22.1 ± 2.4 |
10.5 ± 0.2 |
20.1 ± 0.4 |
58.2 ± 0.5 |
2.11 ± 0.20 |
0.38 ± 0.04 |
| MX2 |
20.4 ± 2.4 |
11.3 ± 0.2 |
21.6 ± 0.4 |
58.1 ± 0.5 |
1.80 ± 0.19 |
0.35 ± 0.04 |
| MX3 |
32.7 ± 1.7 |
0.2 ± 0.0 |
0.4 ± 0.0 |
59.2 ± 0.4 |
150.47 ± 6.38 |
0.55 ± 0.03 |
| RH8 |
23.3 ± 1.3 |
1.6 ± 0.0 |
3.1 ± 0.1 |
59.2 ± 0.4 |
14.68 ± 0.69 |
0.39 ± 0.02 |
| RH9 |
21.6 ± 1.3 |
2.5 ± 0.0 |
4.9 ± 0.1 |
59.1 ± 0.4 |
8.66 ± 0.44 |
0.37 ± 0.02 |
| RH10 |
21.7 ± 1.3 |
2.2 ± 0.0 |
4.2 ± 0.1 |
59.1 ± 0.4 |
10.05 ± 0.50 |
0.37 ± 0.02 |
| Average |
29.5 |
8.4 |
15.8 |
58.1 |
24.1 |
0.5 |
| Median |
23.3 |
10.5 |
20.1 |
59.1 |
8.7 |
0.4 |
| Deviation |
13.6 |
8.0 |
14.8 |
1.5 |
51.3 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
23.7 ± 2.4 |
16.2 ± 1.0 |
18.4 ± 1.6 |
44.3 ± 1.0 |
1.47 ± 0.21 |
0.54 ± 0.05 |
| VC |
44.3 ± 0.7 |
16.6 ± 1.0 |
18.7 ± 1.7 |
44.1 ± 1.0 |
2.68 ± 0.17 |
1.00 ± 0.02 |
| MX1 |
16.4 ± 2.4 |
8.7 ± 0.5 |
10.3 ± 0.9 |
46.3 ± 1.1 |
1.88 ± 0.23 |
0.36 ± 0.05 |
| MX2 |
15.3 ± 2.8 |
9.4 ± 0.5 |
11.1 ± 1.0 |
46.2 ± 1.1 |
1.63 ± 0.25 |
0.33 ± 0.06 |
| MX3 |
24.0 ± 1.0 |
0.2 ± 0.0 |
0.2 ± 0.0 |
47.1 ± 1.1 |
133.53 ± 8.95 |
0.51 ± 0.03 |
| RH8 |
17.1 ± 1.3 |
1.3 ± 0.1 |
1.6 ± 0.1 |
47.1 ± 1.1 |
13.00 ± 1.32 |
0.36 ± 0.03 |
| RH9 |
15.8 ± 1.3 |
2.1 ± 0.1 |
2.5 ± 0.2 |
47.1 ± 1.1 |
7.67 ± 0.81 |
0.34 ± 0.03 |
| RH10 |
15.9 ± 1.3 |
1.8 ± 0.1 |
2.2 ± 0.2 |
47.1 ± 1.1 |
8.90 ± 0.96 |
0.34 ± 0.03 |
| Average |
21.6 |
7.0 |
8.1 |
46.2 |
21.3 |
0.5 |
| Median |
17.1 |
8.7 |
10.3 |
47.1 |
7.7 |
0.4 |
| Deviation |
9.8 |
6.7 |
7.6 |
1.3 |
45.5 |
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)
| 
