Database: Wind Shock Analysis
Event ID: 19972460838
Observation time: 09/03/1997 246.36019 0838 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
246.360191 |
| Arrival time of shock [seconds of day] |
31120.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
68.240 |
| Y GSE location of spacecraft [Re] |
34.507 |
| Z GSE location of spacecraft [Re] |
2.094 |
| Upstream plasma points selected for analysis |
0011 |
| Upstream field points selected for analysis |
0269 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0274 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.25, 12.77, 12.92 |
Event added to database
|
Mon Feb 14 11:05:01 2005
|
Event last processed
|
Mon Mar 30 17:08:03 2009
|
Method selected
|
MX3
|
Propagation delay to Earth [minutes]
|
14.767 ± 1.070
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-384.7 ± 2.0 |
-409.7 ± 4.6 |
| Vy GSE [km/s] |
-19.7 ± 2.2 |
-9.2 ± 8.0 |
| Vz GSE [km/s] |
-9.9 ± 5.0 |
-47.2 ± 6.6 |
| Wi [km/s] |
38.1 ± 0.8 |
40.6 ± 1.2 |
| We [km/s] |
1205.8 ± 26.5 |
1284.9 ± 37.4 |
| Ni [n/cc] |
8.6 ± 0.3 |
12.4 ± 0.5 |
| Bx GSE [nT] |
-1.9 ± 0.6 |
-3.6 ± 0.6 |
| By GSE [nT] |
9.8 ± 0.2 |
6.8 ± 1.1 |
| Bz GSE [nT] |
-0.2 ± 1.3 |
10.4 ± 0.9 |
Plasma Beta
|
0.260 ± 0.259
|
0.255 ± 0.255
|
Sound Speed [km/s]
|
49.23 ± 1.08
|
52.46 ± 1.53
|
Alfven Speed [km/s]
|
74.81 ± 1.33
|
80.64 ± 1.54
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.233 ± 0.031 |
0.947 ± 0.019 |
0.221 ± 0.217 |
12.75 ± 4.72 |
103.80 ± 1.88 |
| VC |
-0.563 ± 0.104 |
0.211 ± 0.131 |
-0.799 ± 0.557 |
-53.07 ± 7.08 |
159.46 ± 12.84 |
| MX1 |
-0.961 ± 0.387 |
-0.266 ± 1.397 |
-0.070 ± 0.070 |
-4.04 ± 15.19 |
195.47 ± 83.26 |
| MX2 |
-0.741 ± 0.085 |
0.668 ± 0.095 |
0.064 ± 0.064 |
3.68 ± 6.55 |
137.95 ± 7.30 |
| MX3 |
-0.989 ± 0.014 |
0.017 ± 0.137 |
-0.150 ± 0.149 |
-8.61 ± 5.37 |
178.99 ± 7.93 |
| RH08 |
-0.998 ± 0.001 |
0.044 ± 0.010 |
0.039 ± 0.039 |
2.24 ± 0.37 |
177.49 ± 0.58 |
| RH09 |
-0.997 ± 0.004 |
0.061 ± 0.060 |
0.039 ± 0.039 |
2.24 ± 1.48 |
176.49 ± 3.46 |
| RH10 |
-0.997 ± 0.004 |
0.061 ± 0.067 |
0.039 ± 0.039 |
2.24 ± 1.68 |
176.49 ± 3.86 |
| Average |
-0.810 |
0.218 |
-0.077 |
-5.320 |
163.268 |
| Median |
-0.961 |
0.061 |
0.039 |
2.241 |
176.490 |
| Deviation |
0.283 |
0.394 |
0.311 |
20.255 |
29.345 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
14.5 ± 7.5 |
87.9 ± 22.6 |
1.45 ± 0.06 |
| VC |
70.9 ± 4.6 |
366.9 ± 28.9 |
1.45 ± 0.06 |
| MX1 |
85.5 ± 2.8 |
453.8 ± 9.6 |
1.45 ± 0.06 |
| MX2 |
37.9 ± 4.1 |
340.4 ± 23.5 |
1.45 ± 0.06 |
| MX3 |
78.2 ± 2.2 |
477.3 ± 15.1 |
1.45 ± 0.06 |
| RH08 |
76.8 ± 3.6 |
458.9 ± 13.4 |
1.45 ± 0.06 |
| RH09 |
75.8 ± 3.6 |
458.6 ± 13.7 |
1.45 ± 0.06 |
| RH10 |
75.8 ± 3.6 |
458.6 ± 13.7 |
1.45 ± 0.06 |
| Average |
64.4 |
387.8 |
1.45 |
| Median |
75.8 |
458.6 |
1.45 |
| Deviation |
24.7 |
131.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
19.3 ± 1.4 |
46.6 ± 0.9 |
72.4 ± 1.3 |
76.5 ± 1.2 |
0.41 ± 0.03 |
0.25 ± 0.02 |
| VC |
146.7 ± 3.7 |
13.6 ± 0.2 |
24.4 ± 0.4 |
88.5 ± 0.9 |
10.79 ± 0.34 |
1.66 ± 0.05 |
| MX1 |
78.1 ± 2.0 |
3.2 ± 0.0 |
5.9 ± 0.1 |
89.5 ± 0.9 |
24.22 ± 0.60 |
0.87 ± 0.02 |
| MX2 |
69.2 ± 1.4 |
35.3 ± 0.6 |
59.0 ± 1.1 |
82.3 ± 1.0 |
1.96 ± 0.05 |
0.84 ± 0.02 |
| MX3 |
95.9 ± 1.5 |
8.4 ± 0.1 |
15.3 ± 0.3 |
89.2 ± 0.9 |
11.37 ± 0.20 |
1.08 ± 0.01 |
| RH8 |
76.1 ± 2.0 |
9.4 ± 0.1 |
17.1 ± 0.3 |
89.1 ± 0.9 |
8.08 ± 0.21 |
0.85 ± 0.02 |
| RH9 |
76.6 ± 2.0 |
10.1 ± 0.1 |
18.3 ± 0.3 |
89.0 ± 0.9 |
7.56 ± 0.20 |
0.86 ± 0.02 |
| RH10 |
76.6 ± 2.0 |
10.1 ± 0.1 |
18.3 ± 0.3 |
89.0 ± 0.9 |
7.56 ± 0.20 |
0.86 ± 0.02 |
| Average |
79.8 |
17.1 |
28.8 |
86.6 |
9.0 |
0.9 |
| Median |
76.6 |
10.1 |
18.3 |
89.0 |
8.1 |
0.9 |
| Deviation |
34.9 |
15.3 |
23.6 |
4.7 |
7.3 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
11.7 ± 7.3 |
49.7 ± 1.3 |
78.1 ± 1.5 |
82.4 ± 1.4 |
0.24 ± 0.15 |
0.14 ± 0.09 |
| VC |
100.5 ± 8.6 |
14.5 ± 0.3 |
26.4 ± 0.5 |
95.1 ± 1.0 |
6.92 ± 0.57 |
1.06 ± 0.09 |
| MX1 |
54.2 ± 3.0 |
3.4 ± 0.1 |
6.3 ± 0.1 |
96.2 ± 1.0 |
15.71 ± 0.84 |
0.56 ± 0.03 |
| MX2 |
45.9 ± 8.1 |
37.7 ± 0.8 |
63.6 ± 1.2 |
88.5 ± 1.1 |
1.22 ± 0.21 |
0.52 ± 0.09 |
| MX3 |
65.3 ± 5.2 |
9.0 ± 0.2 |
16.5 ± 0.3 |
95.8 ± 1.0 |
7.25 ± 0.56 |
0.68 ± 0.05 |
| RH8 |
52.1 ± 4.7 |
10.1 ± 0.2 |
18.4 ± 0.4 |
95.7 ± 1.0 |
5.17 ± 0.45 |
0.54 ± 0.05 |
| RH9 |
52.4 ± 4.8 |
10.8 ± 0.2 |
19.8 ± 0.4 |
95.6 ± 1.0 |
4.84 ± 0.43 |
0.55 ± 0.05 |
| RH10 |
52.4 ± 4.8 |
10.8 ± 0.2 |
19.8 ± 0.4 |
95.6 ± 1.0 |
4.84 ± 0.43 |
0.55 ± 0.05 |
| Average |
54.3 |
18.3 |
31.1 |
93.1 |
5.8 |
0.6 |
| Median |
52.4 |
10.8 |
19.8 |
95.6 |
5.2 |
0.5 |
| Deviation |
24.4 |
16.3 |
25.4 |
5.0 |
4.7 |
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)
| 
