Database: Wind Shock Analysis
Event ID: 19971400510
Observation time: 05/20/1997 140.21585 0510 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
140.215851 |
| Arrival time of shock [seconds of day] |
18649.5 ± 5.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
175.833 |
| Y GSE location of spacecraft [Re] |
7.749 |
| Z GSE location of spacecraft [Re] |
13.750 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0222 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0243 |
| Minimum chisq/dof for RH8,RH9,RH10 |
20.17, 32.08, 32.71 |
Event added to database
|
Mon Feb 14 11:04:41 2005
|
Event last processed
|
Mon Mar 30 16:57:56 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
53.020 ± 0.649
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-301.0 ± 3.1 |
-329.2 ± 0.5 |
| Vy GSE [km/s] |
-6.5 ± 3.6 |
-12.0 ± 0.8 |
| Vz GSE [km/s] |
-11.3 ± 1.2 |
-22.9 ± 1.1 |
| Wi [km/s] |
19.0 ± 0.9 |
34.6 ± 0.9 |
| We [km/s] |
600.1 ± 29.1 |
1094.9 ± 28.8 |
| Ni [n/cc] |
8.6 ± 0.3 |
21.9 ± 0.5 |
| Bx GSE [nT] |
-2.3 ± 0.5 |
-3.9 ± 0.2 |
| By GSE [nT] |
1.9 ± 0.6 |
1.9 ± 0.2 |
| Bz GSE [nT] |
-1.6 ± 0.1 |
-1.4 ± 0.5 |
Plasma Beta
|
0.544 ± 0.537
|
2.592 ± 2.657
|
Sound Speed [km/s]
|
24.50 ± 1.19
|
44.70 ± 1.17
|
Alfven Speed [km/s]
|
25.82 ± 0.65
|
21.54 ± 0.62
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.693 ± 0.530 |
0.460 ± 0.714 |
-0.555 ± 0.490 |
-33.73 ± 32.44 |
146.38 ± 57.28 |
| VC |
-0.912 ± 0.029 |
-0.165 ± 0.100 |
-0.375 ± 0.356 |
-22.02 ± 3.59 |
190.28 ± 6.28 |
| MX1 |
-0.988 ± 0.097 |
0.070 ± 1.258 |
-0.139 ± 0.138 |
-8.00 ± 15.10 |
175.92 ± 72.99 |
| MX2 |
-0.927 ± 0.444 |
-0.357 ± 1.150 |
-0.113 ± 0.113 |
-6.50 ± 13.89 |
201.07 ± 71.08 |
| MX3 |
-0.732 ± 0.417 |
-0.202 ± 0.710 |
-0.650 ± 0.538 |
-40.57 ± 33.76 |
195.43 ± 54.95 |
| RH08 |
-0.991 ± 0.001 |
-0.061 ± 0.009 |
-0.117 ± 0.117 |
-6.74 ± 0.53 |
183.51 ± 0.50 |
| RH09 |
-0.987 ± 0.011 |
-0.061 ± 0.070 |
-0.151 ± 0.150 |
-8.68 ± 4.03 |
183.51 ± 4.07 |
| RH10 |
-0.987 ± 0.011 |
-0.061 ± 0.070 |
-0.151 ± 0.150 |
-8.68 ± 4.03 |
183.51 ± 4.07 |
| Average |
-0.902 |
-0.047 |
-0.281 |
-16.862 |
182.451 |
| Median |
-0.927 |
-0.061 |
-0.151 |
-8.675 |
183.510 |
| Deviation |
0.121 |
0.241 |
0.217 |
13.604 |
16.577 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
12.7 ± 6.1 |
250.3 ± 1.9 |
2.55 ± 0.12 |
| VC |
44.9 ± 12.6 |
331.0 ± 2.9 |
2.55 ± 0.12 |
| MX1 |
39.3 ± 10.7 |
346.7 ± 2.4 |
2.55 ± 0.12 |
| MX2 |
60.8 ± 12.2 |
331.4 ± 3.1 |
2.55 ± 0.12 |
| MX3 |
46.0 ± 11.5 |
277.4 ± 2.9 |
2.55 ± 0.12 |
| RH08 |
46.0 ± 11.3 |
349.6 ± 2.6 |
2.55 ± 0.12 |
| RH09 |
44.9 ± 11.5 |
349.0 ± 2.6 |
2.55 ± 0.12 |
| RH10 |
44.9 ± 11.5 |
349.0 ± 2.6 |
2.55 ± 0.12 |
| Average |
42.4 |
323.0 |
2.55 |
| Median |
44.9 |
346.7 |
2.55 |
| Deviation |
13.5 |
38.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
38.6 ± 0.6 |
22.0 ± 0.5 |
25.2 ± 0.6 |
28.0 ± 0.4 |
1.75 ± 0.03 |
1.38 ± 0.02 |
| VC |
51.1 ± 3.3 |
13.6 ± 0.2 |
18.3 ± 0.5 |
32.9 ± 0.5 |
3.75 ± 0.18 |
1.55 ± 0.08 |
| MX1 |
48.3 ± 2.8 |
15.2 ± 0.3 |
20.0 ± 0.5 |
32.2 ± 0.5 |
3.18 ± 0.13 |
1.50 ± 0.07 |
| MX2 |
48.7 ± 4.1 |
8.9 ± 0.2 |
12.6 ± 0.3 |
34.5 ± 0.5 |
5.44 ± 0.37 |
1.41 ± 0.10 |
| MX3 |
48.3 ± 3.0 |
13.3 ± 0.2 |
17.9 ± 0.5 |
33.0 ± 0.5 |
3.63 ± 0.16 |
1.46 ± 0.07 |
| RH8 |
49.5 ± 3.2 |
13.3 ± 0.2 |
17.9 ± 0.5 |
33.0 ± 0.5 |
3.72 ± 0.18 |
1.50 ± 0.08 |
| RH9 |
49.9 ± 3.2 |
13.6 ± 0.2 |
18.3 ± 0.5 |
32.9 ± 0.5 |
3.67 ± 0.18 |
1.51 ± 0.08 |
| RH10 |
49.9 ± 3.2 |
13.6 ± 0.2 |
18.3 ± 0.5 |
32.9 ± 0.5 |
3.67 ± 0.18 |
1.51 ± 0.08 |
| Average |
48.0 |
14.2 |
18.6 |
32.4 |
3.6 |
1.5 |
| Median |
49.5 |
13.6 |
18.3 |
32.9 |
3.7 |
1.5 |
| Deviation |
3.9 |
3.6 |
3.4 |
1.9 |
1.0 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
15.1 ± 0.7 |
20.9 ± 0.6 |
21.0 ± 0.6 |
45.0 ± 1.2 |
0.73 ± 0.05 |
0.34 ± 0.02 |
| VC |
20.2 ± 0.6 |
14.4 ± 0.4 |
15.3 ± 0.4 |
47.5 ± 1.1 |
1.40 ± 0.07 |
0.42 ± 0.01 |
| MX1 |
19.2 ± 0.5 |
15.8 ± 0.4 |
16.7 ± 0.5 |
47.0 ± 1.1 |
1.21 ± 0.05 |
0.41 ± 0.01 |
| MX2 |
19.3 ± 0.6 |
9.6 ± 0.2 |
10.5 ± 0.3 |
48.7 ± 1.1 |
2.00 ± 0.09 |
0.40 ± 0.01 |
| MX3 |
19.0 ± 0.8 |
14.1 ± 0.3 |
15.0 ± 0.4 |
47.6 ± 1.1 |
1.36 ± 0.09 |
0.40 ± 0.02 |
| RH8 |
19.8 ± 0.5 |
14.1 ± 0.3 |
15.0 ± 0.4 |
47.6 ± 1.1 |
1.41 ± 0.06 |
0.42 ± 0.01 |
| RH9 |
19.9 ± 0.5 |
14.4 ± 0.4 |
15.3 ± 0.4 |
47.5 ± 1.1 |
1.39 ± 0.06 |
0.42 ± 0.01 |
| RH10 |
19.9 ± 0.5 |
14.4 ± 0.4 |
15.3 ± 0.4 |
47.5 ± 1.1 |
1.39 ± 0.06 |
0.42 ± 0.01 |
| Average |
19.1 |
14.7 |
15.5 |
47.3 |
1.4 |
0.4 |
| Median |
19.8 |
14.4 |
15.3 |
47.5 |
1.4 |
0.4 |
| Deviation |
1.6 |
3.1 |
2.9 |
1.0 |
0.3 |
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)
| 
