Database: Wind Shock Analysis
Event ID: 19971460909
Observation time: 05/26/1997 146.38134 0909 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
146.381337 |
| Arrival time of shock [seconds of day] |
32947.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
152.331 |
| Y GSE location of spacecraft [Re] |
15.924 |
| Z GSE location of spacecraft [Re] |
8.013 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0286 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0306 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.58, 14.67, 15.44 |
Event added to database
|
Mon Feb 14 11:04:50 2005
|
Event last processed
|
Mon Mar 30 17:01:59 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
47.518 ± 1.702
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-283.0 ± 0.5 |
-304.9 ± 0.9 |
| Vy GSE [km/s] |
-6.1 ± 0.5 |
-15.0 ± 1.5 |
| Vz GSE [km/s] |
-17.7 ± 0.9 |
-31.0 ± 1.1 |
| Wi [km/s] |
14.0 ± 0.3 |
18.0 ± 0.4 |
| We [km/s] |
442.2 ± 9.1 |
569.7 ± 13.8 |
| Ni [n/cc] |
13.8 ± 0.3 |
25.2 ± 0.7 |
| Bx GSE [nT] |
-2.0 ± 0.1 |
-2.6 ± 0.4 |
| By GSE [nT] |
2.3 ± 0.1 |
3.8 ± 0.9 |
| Bz GSE [nT] |
-0.4 ± 0.3 |
2.6 ± 1.0 |
Plasma Beta
|
0.583 ± 0.578
|
0.581 ± 0.594
|
Sound Speed [km/s]
|
18.05 ± 0.37
|
23.26 ± 0.56
|
Alfven Speed [km/s]
|
18.33 ± 0.50
|
23.69 ± 1.08
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.667 ± 0.116 |
0.604 ± 0.123 |
-0.437 ± 0.407 |
-25.94 ± 10.59 |
137.85 ± 9.45 |
| VC |
-0.809 ± 0.032 |
-0.327 ± 0.048 |
-0.488 ± 0.445 |
-29.22 ± 3.27 |
201.97 ± 3.28 |
| MX1 |
-0.870 ± 0.121 |
0.375 ± 0.268 |
-0.319 ± 0.308 |
-18.62 ± 7.11 |
156.70 ± 17.62 |
| MX2 |
-0.971 ± 0.022 |
0.019 ± 0.108 |
-0.237 ± 0.233 |
-13.72 ± 5.31 |
178.90 ± 6.35 |
| MX3 |
-0.977 ± 0.024 |
-0.147 ± 0.102 |
-0.156 ± 0.155 |
-8.97 ± 6.71 |
188.57 ± 5.98 |
| RH08 |
-0.978 ± 0.003 |
-0.026 ± 0.009 |
-0.207 ± 0.204 |
-11.93 ± 0.86 |
181.50 ± 0.54 |
| RH09 |
-0.838 ± 0.036 |
0.495 ± 0.057 |
-0.229 ± 0.225 |
-13.24 ± 3.81 |
149.42 ± 3.85 |
| RH10 |
-0.942 ± 0.022 |
0.335 ± 0.061 |
0.028 ± 0.028 |
1.60 ± 3.82 |
160.45 ± 3.72 |
| Average |
-0.882 |
0.166 |
-0.256 |
-15.004 |
169.419 |
| Median |
-0.870 |
0.335 |
-0.229 |
-13.241 |
178.905 |
| Deviation |
0.109 |
0.332 |
0.163 |
9.717 |
21.718 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
20.1 ± 4.2 |
226.0 ± 2.6 |
1.82 ± 0.05 |
| VC |
70.1 ± 1.6 |
300.2 ± 2.8 |
1.82 ± 0.05 |
| MX1 |
28.0 ± 1.6 |
294.6 ± 2.3 |
1.82 ± 0.05 |
| MX2 |
47.8 ± 1.3 |
333.2 ± 2.5 |
1.82 ± 0.05 |
| MX3 |
57.2 ± 1.5 |
335.3 ± 2.8 |
1.82 ± 0.05 |
| RH08 |
50.3 ± 1.3 |
335.2 ± 2.6 |
1.82 ± 0.05 |
| RH09 |
19.8 ± 1.3 |
276.6 ± 2.2 |
1.82 ± 0.05 |
| RH10 |
31.1 ± 2.8 |
303.0 ± 2.2 |
1.82 ± 0.05 |
| Average |
40.5 |
300.5 |
1.82 |
| Median |
47.8 |
303.0 |
1.82 |
| Deviation |
18.5 |
37.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
33.3 ± 0.6 |
14.7 ± 0.3 |
17.2 ± 0.5 |
21.1 ± 0.4 |
2.26 ± 0.04 |
1.58 ± 0.03 |
| VC |
60.5 ± 0.8 |
4.4 ± 0.1 |
6.2 ± 0.2 |
25.3 ± 0.5 |
13.61 ± 0.25 |
2.39 ± 0.04 |
| MX1 |
44.9 ± 0.5 |
13.2 ± 0.3 |
16.2 ± 0.4 |
22.1 ± 0.4 |
3.39 ± 0.06 |
2.04 ± 0.04 |
| MX2 |
54.2 ± 0.6 |
9.3 ± 0.2 |
12.3 ± 0.3 |
24.0 ± 0.5 |
5.86 ± 0.11 |
2.26 ± 0.04 |
| MX3 |
55.3 ± 0.6 |
7.3 ± 0.1 |
9.9 ± 0.3 |
24.7 ± 0.5 |
7.62 ± 0.16 |
2.24 ± 0.05 |
| RH8 |
54.6 ± 0.6 |
8.7 ± 0.2 |
11.7 ± 0.3 |
24.2 ± 0.5 |
6.25 ± 0.12 |
2.26 ± 0.04 |
| RH9 |
38.4 ± 0.4 |
14.8 ± 0.3 |
17.3 ± 0.5 |
21.1 ± 0.4 |
2.60 ± 0.05 |
1.83 ± 0.03 |
| RH10 |
39.0 ± 0.3 |
12.6 ± 0.3 |
15.7 ± 0.4 |
22.4 ± 0.4 |
3.09 ± 0.07 |
1.74 ± 0.04 |
| Average |
47.5 |
10.6 |
13.3 |
23.1 |
5.6 |
2.0 |
| Median |
54.2 |
12.6 |
15.7 |
24.0 |
5.9 |
2.2 |
| Deviation |
9.9 |
3.8 |
4.0 |
1.7 |
3.8 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
18.2 ± 1.2 |
19.0 ± 0.5 |
22.3 ± 1.0 |
27.2 ± 0.8 |
0.96 ± 0.08 |
0.67 ± 0.05 |
| VC |
33.3 ± 0.7 |
5.7 ± 0.2 |
8.1 ± 0.4 |
32.7 ± 0.9 |
5.82 ± 0.22 |
1.02 ± 0.04 |
| MX1 |
24.9 ± 0.9 |
17.1 ± 0.5 |
20.9 ± 1.0 |
28.5 ± 0.8 |
1.46 ± 0.08 |
0.88 ± 0.05 |
| MX2 |
29.9 ± 0.7 |
11.9 ± 0.3 |
15.9 ± 0.7 |
31.0 ± 0.8 |
2.51 ± 0.12 |
0.97 ± 0.04 |
| MX3 |
30.4 ± 0.8 |
9.4 ± 0.3 |
12.8 ± 0.6 |
31.9 ± 0.9 |
3.26 ± 0.15 |
0.96 ± 0.04 |
| RH8 |
30.2 ± 0.8 |
11.3 ± 0.3 |
15.1 ± 0.7 |
31.2 ± 0.9 |
2.68 ± 0.12 |
0.97 ± 0.04 |
| RH9 |
21.4 ± 1.0 |
19.1 ± 0.5 |
22.3 ± 1.0 |
27.2 ± 0.8 |
1.12 ± 0.07 |
0.79 ± 0.05 |
| RH10 |
21.7 ± 0.8 |
16.3 ± 0.4 |
20.3 ± 0.9 |
28.9 ± 0.8 |
1.33 ± 0.08 |
0.75 ± 0.05 |
| Average |
26.3 |
13.7 |
17.2 |
29.8 |
2.4 |
0.9 |
| Median |
29.9 |
16.3 |
20.3 |
31.0 |
2.5 |
1.0 |
| Deviation |
5.4 |
4.9 |
5.1 |
2.1 |
1.6 |
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)
| 
