Database: Wind Shock Analysis
Event ID: 19972452237
Observation time: 09/02/1997 245.94280 2237 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
245.942795 |
| Arrival time of shock [seconds of day] |
81457.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
72.657 |
| Y GSE location of spacecraft [Re] |
32.904 |
| Z GSE location of spacecraft [Re] |
1.531 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0254 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0227 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.65, 13.03, 13.25 |
Event added to database
|
Mon Feb 14 11:04:57 2005
|
Event last processed
|
Mon Mar 30 17:05:53 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
22.011 ± 0.220
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-315.6 ± 1.9 |
-349.4 ± 2.3 |
| Vy GSE [km/s] |
0.7 ± 2.1 |
-21.7 ± 3.7 |
| Vz GSE [km/s] |
-2.0 ± 3.4 |
-13.7 ± 2.8 |
| Wi [km/s] |
21.9 ± 0.7 |
28.0 ± 0.9 |
| We [km/s] |
694.1 ± 23.7 |
886.4 ± 29.2 |
| Ni [n/cc] |
11.1 ± 0.3 |
22.3 ± 0.9 |
| Bx GSE [nT] |
-2.3 ± 0.2 |
-3.2 ± 0.6 |
| By GSE [nT] |
-1.4 ± 0.5 |
0.4 ± 1.4 |
| Bz GSE [nT] |
2.7 ± 0.5 |
6.6 ± 0.2 |
Plasma Beta
|
0.751 ± 0.761
|
0.662 ± 0.662
|
Sound Speed [km/s]
|
28.34 ± 0.97
|
36.19 ± 1.19
|
Alfven Speed [km/s]
|
25.35 ± 0.48
|
34.62 ± 1.91
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.678 ± 0.210 |
-0.700 ± 0.204 |
0.225 ± 0.221 |
13.00 ± 12.78 |
225.94 ± 16.98 |
| VC |
-0.803 ± 0.053 |
-0.528 ± 0.074 |
-0.276 ± 0.268 |
-16.00 ± 5.63 |
213.34 ± 5.18 |
| MX1 |
-0.834 ± 0.053 |
-0.547 ± 0.078 |
0.074 ± 0.073 |
4.22 ± 12.48 |
213.29 ± 5.35 |
| MX2 |
-0.887 ± 0.046 |
-0.461 ± 0.088 |
0.006 ± 0.006 |
0.36 ± 9.21 |
207.44 ± 5.70 |
| MX3 |
-0.913 ± 0.057 |
-0.407 ± 0.128 |
-0.034 ± 0.034 |
-1.97 ± 7.51 |
204.05 ± 8.02 |
| RH08 |
-0.919 ± 0.005 |
-0.382 ± 0.013 |
-0.095 ± 0.095 |
-5.45 ± 0.69 |
202.56 ± 0.79 |
| RH09 |
-0.993 ± 0.007 |
0.113 ± 0.061 |
0.028 ± 0.028 |
1.60 ± 3.94 |
173.48 ± 3.51 |
| RH10 |
-0.993 ± 0.007 |
0.113 ± 0.063 |
0.028 ± 0.028 |
1.60 ± 3.96 |
173.48 ± 3.63 |
| Average |
-0.877 |
-0.350 |
-0.006 |
-0.331 |
201.699 |
| Median |
-0.887 |
-0.407 |
0.028 |
1.601 |
207.443 |
| Deviation |
0.105 |
0.302 |
0.143 |
8.287 |
18.857 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
34.0 ± 10.0 |
283.4 ± 4.6 |
2.01 ± 0.10 |
| VC |
60.7 ± 8.6 |
337.3 ± 3.1 |
2.01 ± 0.10 |
| MX1 |
40.7 ± 8.5 |
340.9 ± 3.3 |
2.01 ± 0.10 |
| MX2 |
44.8 ± 7.6 |
359.7 ± 2.8 |
2.01 ± 0.10 |
| MX3 |
47.5 ± 7.1 |
368.0 ± 2.6 |
2.01 ± 0.10 |
| RH08 |
51.1 ± 7.0 |
371.0 ± 2.5 |
2.01 ± 0.10 |
| RH09 |
55.1 ± 3.3 |
374.7 ± 3.8 |
2.01 ± 0.10 |
| RH10 |
55.1 ± 3.3 |
374.7 ± 3.8 |
2.01 ± 0.10 |
| Average |
48.6 |
351.2 |
2.01 |
| Median |
51.1 |
368.0 |
2.01 |
| Deviation |
8.7 |
31.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
70.4 ± 2.2 |
17.7 ± 0.3 |
21.0 ± 0.4 |
33.7 ± 0.7 |
3.98 ± 0.10 |
2.09 ± 0.05 |
| VC |
83.7 ± 2.8 |
9.5 ± 0.2 |
12.4 ± 0.2 |
36.8 ± 0.7 |
8.78 ± 0.30 |
2.27 ± 0.08 |
| MX1 |
78.3 ± 2.3 |
15.7 ± 0.3 |
19.2 ± 0.4 |
34.6 ± 0.7 |
4.99 ± 0.12 |
2.26 ± 0.06 |
| MX2 |
79.9 ± 2.3 |
14.5 ± 0.3 |
18.0 ± 0.3 |
35.2 ± 0.7 |
5.51 ± 0.14 |
2.27 ± 0.06 |
| MX3 |
80.2 ± 2.4 |
13.7 ± 0.2 |
17.1 ± 0.3 |
35.5 ± 0.7 |
5.86 ± 0.15 |
2.26 ± 0.06 |
| RH8 |
80.9 ± 2.4 |
12.6 ± 0.2 |
15.9 ± 0.3 |
35.9 ± 0.7 |
6.44 ± 0.17 |
2.26 ± 0.06 |
| RH9 |
61.2 ± 1.7 |
11.3 ± 0.2 |
14.5 ± 0.3 |
36.3 ± 0.7 |
5.42 ± 0.10 |
1.69 ± 0.03 |
| RH10 |
61.2 ± 1.7 |
11.3 ± 0.2 |
14.5 ± 0.3 |
36.3 ± 0.7 |
5.42 ± 0.10 |
1.69 ± 0.03 |
| Average |
74.5 |
13.3 |
16.6 |
35.5 |
5.8 |
2.1 |
| Median |
79.9 |
13.7 |
17.1 |
35.9 |
5.5 |
2.3 |
| Deviation |
9.0 |
2.7 |
2.8 |
1.0 |
1.4 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
34.6 ± 2.9 |
23.4 ± 0.7 |
28.7 ± 1.6 |
44.3 ± 1.3 |
1.47 ± 0.12 |
0.78 ± 0.06 |
| VC |
41.5 ± 1.9 |
12.6 ± 0.4 |
16.9 ± 0.9 |
48.5 ± 1.5 |
3.29 ± 0.12 |
0.86 ± 0.03 |
| MX1 |
38.8 ± 2.4 |
20.8 ± 0.6 |
26.2 ± 1.4 |
45.6 ± 1.4 |
1.87 ± 0.10 |
0.85 ± 0.05 |
| MX2 |
39.7 ± 2.2 |
19.2 ± 0.6 |
24.6 ± 1.4 |
46.3 ± 1.4 |
2.07 ± 0.09 |
0.86 ± 0.04 |
| MX3 |
39.9 ± 2.1 |
18.1 ± 0.6 |
23.4 ± 1.3 |
46.7 ± 1.4 |
2.20 ± 0.09 |
0.85 ± 0.04 |
| RH8 |
40.2 ± 2.0 |
16.6 ± 0.5 |
21.8 ± 1.2 |
47.3 ± 1.4 |
2.42 ± 0.09 |
0.85 ± 0.03 |
| RH9 |
30.5 ± 2.5 |
15.0 ± 0.5 |
19.8 ± 1.1 |
47.8 ± 1.4 |
2.04 ± 0.14 |
0.64 ± 0.05 |
| RH10 |
30.5 ± 2.5 |
15.0 ± 0.5 |
19.8 ± 1.1 |
47.8 ± 1.4 |
2.04 ± 0.14 |
0.64 ± 0.05 |
| Average |
37.0 |
17.6 |
22.6 |
46.8 |
2.2 |
0.8 |
| Median |
39.7 |
18.1 |
23.4 |
47.3 |
2.1 |
0.9 |
| Deviation |
4.5 |
3.5 |
3.8 |
1.4 |
0.5 |
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)
| 
