Database: Wind Shock Analysis
Event ID: 19972170459
Observation time: 08/05/1997 217.20769 0459 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
217.207691 |
| Arrival time of shock [seconds of day] |
17944.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
91.188 |
| Y GSE location of spacecraft [Re] |
-59.690 |
| Z GSE location of spacecraft [Re] |
-13.100 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0243 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0285 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.26, 5.78, 5.86 |
Event added to database
|
Mon Feb 14 11:04:53 2005
|
Event last processed
|
Mon Mar 30 17:03:58 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
22.645 ± 0.633
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-349.1 ± 2.3 |
-363.5 ± 2.9 |
| Vy GSE [km/s] |
10.3 ± 2.5 |
-4.1 ± 4.5 |
| Vz GSE [km/s] |
27.8 ± 1.5 |
29.5 ± 6.7 |
| Wi [km/s] |
27.2 ± 0.5 |
30.8 ± 1.0 |
| We [km/s] |
859.9 ± 16.3 |
974.1 ± 30.4 |
| Ni [n/cc] |
11.0 ± 0.2 |
16.8 ± 0.6 |
| Bx GSE [nT] |
2.9 ± 0.4 |
4.7 ± 0.4 |
| By GSE [nT] |
-1.1 ± 0.5 |
-3.4 ± 1.1 |
| Bz GSE [nT] |
3.3 ± 0.3 |
3.5 ± 1.4 |
Plasma Beta
|
0.820 ± 0.835
|
0.695 ± 0.652
|
Sound Speed [km/s]
|
35.10 ± 0.67
|
39.77 ± 1.24
|
Alfven Speed [km/s]
|
30.08 ± 0.83
|
37.17 ± 1.90
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.856 ± 0.425 |
-0.431 ± 0.710 |
-0.285 ± 0.277 |
-16.54 ± 53.55 |
206.74 ± 46.86 |
| VC |
-0.714 ± 0.138 |
-0.691 ± 0.142 |
0.111 ± 0.111 |
6.39 ± 16.40 |
224.07 ± 11.25 |
| MX1 |
-0.848 ± 0.238 |
-0.530 ± 0.381 |
0.011 ± 0.011 |
0.62 ± 28.50 |
212.01 ± 25.77 |
| MX2 |
-0.810 ± 0.185 |
-0.578 ± 0.256 |
0.093 ± 0.093 |
5.36 ± 21.39 |
215.52 ± 18.07 |
| MX3 |
-0.789 ± 0.171 |
-0.592 ± 0.225 |
0.162 ± 0.160 |
9.30 ± 15.93 |
216.89 ± 16.20 |
| RH08 |
-0.991 ± 0.002 |
-0.113 ± 0.014 |
0.073 ± 0.072 |
4.16 ± 1.05 |
186.52 ± 0.81 |
| RH09 |
-0.993 ± 0.008 |
-0.113 ± 0.068 |
0.028 ± 0.028 |
1.60 ± 4.06 |
186.52 ± 3.91 |
| RH10 |
-0.993 ± 0.008 |
-0.113 ± 0.068 |
0.028 ± 0.028 |
1.60 ± 4.06 |
186.52 ± 3.91 |
| Average |
-0.874 |
-0.395 |
0.028 |
1.562 |
204.349 |
| Median |
-0.848 |
-0.431 |
0.073 |
4.165 |
212.010 |
| Deviation |
0.107 |
0.244 |
0.136 |
7.864 |
15.535 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
49.7 ± 8.2 |
336.0 ± 13.5 |
1.53 ± 0.04 |
| VC |
78.3 ± 8.2 |
304.4 ± 10.7 |
1.53 ± 0.04 |
| MX1 |
66.3 ± 8.3 |
348.0 ± 11.2 |
1.53 ± 0.04 |
| MX2 |
72.2 ± 8.3 |
337.5 ± 10.6 |
1.53 ± 0.04 |
| MX3 |
76.1 ± 8.3 |
331.9 ± 10.2 |
1.53 ± 0.04 |
| RH08 |
56.5 ± 7.4 |
392.4 ± 10.1 |
1.53 ± 0.04 |
| RH09 |
54.2 ± 7.5 |
391.3 ± 10.1 |
1.53 ± 0.04 |
| RH10 |
54.2 ± 7.5 |
391.3 ± 10.1 |
1.53 ± 0.04 |
| Average |
63.4 |
354.1 |
1.53 |
| Median |
66.3 |
348.0 |
1.53 |
| Deviation |
11.2 |
33.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
49.5 ± 2.7 |
15.7 ± 0.2 |
19.4 ± 0.5 |
43.5 ± 0.5 |
3.15 ± 0.20 |
1.14 ± 0.06 |
| VC |
59.2 ± 3.4 |
4.7 ± 0.1 |
6.1 ± 0.2 |
46.0 ± 0.6 |
12.68 ± 0.79 |
1.29 ± 0.08 |
| MX1 |
57.1 ± 3.2 |
9.4 ± 0.1 |
12.1 ± 0.3 |
45.3 ± 0.6 |
6.09 ± 0.38 |
1.26 ± 0.07 |
| MX2 |
57.9 ± 3.3 |
7.1 ± 0.1 |
9.2 ± 0.3 |
45.7 ± 0.6 |
8.19 ± 0.51 |
1.27 ± 0.07 |
| MX3 |
57.9 ± 3.4 |
5.5 ± 0.1 |
7.2 ± 0.2 |
45.9 ± 0.6 |
10.52 ± 0.67 |
1.26 ± 0.08 |
| RH8 |
45.6 ± 2.6 |
13.1 ± 0.2 |
16.6 ± 0.5 |
44.3 ± 0.5 |
3.48 ± 0.22 |
1.03 ± 0.06 |
| RH9 |
45.0 ± 2.6 |
14.0 ± 0.2 |
17.6 ± 0.5 |
44.1 ± 0.5 |
3.21 ± 0.21 |
1.02 ± 0.06 |
| RH10 |
45.0 ± 2.6 |
14.0 ± 0.2 |
17.6 ± 0.5 |
44.1 ± 0.5 |
3.21 ± 0.21 |
1.02 ± 0.06 |
| Average |
52.2 |
10.4 |
13.2 |
44.8 |
6.3 |
1.2 |
| Median |
57.1 |
13.1 |
16.6 |
45.3 |
6.1 |
1.3 |
| Deviation |
6.5 |
4.3 |
5.2 |
1.0 |
3.8 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
31.4 ± 4.6 |
18.7 ± 0.4 |
24.0 ± 1.2 |
51.2 ± 1.0 |
1.69 ± 0.25 |
0.61 ± 0.09 |
| VC |
38.8 ± 3.1 |
5.5 ± 0.1 |
7.6 ± 0.4 |
54.2 ± 1.0 |
7.01 ± 0.61 |
0.72 ± 0.06 |
| MX1 |
37.3 ± 3.4 |
11.1 ± 0.2 |
14.9 ± 0.8 |
53.3 ± 1.0 |
3.35 ± 0.32 |
0.70 ± 0.06 |
| MX2 |
37.8 ± 3.1 |
8.4 ± 0.2 |
11.4 ± 0.6 |
53.8 ± 1.0 |
4.50 ± 0.39 |
0.70 ± 0.06 |
| MX3 |
37.8 ± 2.8 |
6.5 ± 0.1 |
8.9 ± 0.5 |
54.1 ± 1.0 |
5.79 ± 0.46 |
0.70 ± 0.05 |
| RH8 |
29.6 ± 2.8 |
15.6 ± 0.4 |
20.5 ± 1.0 |
52.2 ± 1.0 |
1.90 ± 0.19 |
0.57 ± 0.05 |
| RH9 |
29.1 ± 2.9 |
16.7 ± 0.4 |
21.8 ± 1.1 |
51.9 ± 1.0 |
1.74 ± 0.18 |
0.56 ± 0.05 |
| RH10 |
29.1 ± 2.9 |
16.7 ± 0.4 |
21.8 ± 1.1 |
51.9 ± 1.0 |
1.74 ± 0.18 |
0.56 ± 0.05 |
| Average |
33.9 |
12.4 |
16.4 |
52.8 |
3.5 |
0.6 |
| Median |
37.3 |
15.6 |
20.5 |
53.3 |
3.4 |
0.7 |
| Deviation |
4.4 |
5.1 |
6.5 |
1.2 |
2.1 |
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)
| 
