Database: Wind Shock Analysis
Event ID: 19981351353
Observation time: 05/15/1998 135.57901 1353 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
135.579010 |
| Arrival time of shock [seconds of day] |
50026.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
205.715 |
| Y GSE location of spacecraft [Re] |
19.885 |
| Z GSE location of spacecraft [Re] |
29.615 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0259 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0296 |
| Minimum chisq/dof for RH8,RH9,RH10 |
31.62, 43.46, 63.73 |
Event added to database
|
Mon Feb 14 11:06:24 2005
|
Event last processed
|
Mon Mar 30 17:45:21 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
51.353 ± 0.686
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-311.7 ± 0.8 |
-352.0 ± 1.3 |
| Vy GSE [km/s] |
-17.6 ± 0.1 |
-35.9 ± 1.2 |
| Vz GSE [km/s] |
-16.8 ± 0.5 |
-29.9 ± 2.0 |
| Wi [km/s] |
14.3 ± 0.5 |
24.9 ± 0.5 |
| We [km/s] |
451.8 ± 14.3 |
789.0 ± 15.5 |
| Ni [n/cc] |
12.3 ± 0.1 |
25.8 ± 0.6 |
| Bx GSE [nT] |
0.2 ± 0.1 |
2.6 ± 0.3 |
| By GSE [nT] |
-2.8 ± 0.0 |
-5.8 ± 0.3 |
| Bz GSE [nT] |
-0.5 ± 0.1 |
0.7 ± 0.5 |
Plasma Beta
|
0.627 ± 0.625
|
0.825 ± 0.806
|
Sound Speed [km/s]
|
18.45 ± 0.58
|
32.21 ± 0.63
|
Alfven Speed [km/s]
|
18.07 ± 0.19
|
27.59 ± 1.72
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.516 ± 0.098 |
-0.670 ± 0.081 |
-0.534 ± 0.476 |
-32.30 ± 4.98 |
232.40 ± 8.02 |
| VC |
-0.873 ± 0.017 |
-0.396 ± 0.028 |
-0.285 ± 0.277 |
-16.57 ± 2.56 |
204.40 ± 1.78 |
| MX1 |
-0.680 ± 0.034 |
-0.673 ± 0.034 |
-0.291 ± 0.282 |
-16.91 ± 2.07 |
224.68 ± 2.80 |
| MX2 |
-0.708 ± 0.030 |
-0.665 ± 0.032 |
-0.236 ± 0.231 |
-13.65 ± 3.89 |
223.21 ± 2.42 |
| MX3 |
-0.725 ± 0.033 |
-0.659 ± 0.036 |
-0.199 ± 0.196 |
-11.46 ± 5.25 |
222.26 ± 2.64 |
| RH08 |
-0.744 ± 0.006 |
-0.661 ± 0.007 |
-0.095 ± 0.095 |
-5.45 ± 0.72 |
221.62 ± 0.54 |
| RH09 |
-0.190 ± 0.052 |
-0.441 ± 0.058 |
-0.877 ± 0.514 |
-61.29 ± 3.90 |
246.69 ± 6.08 |
| RH10 |
-0.190 ± 0.069 |
-0.441 ± 0.063 |
-0.877 ± 0.514 |
-61.29 ± 4.00 |
246.69 ± 8.41 |
| Average |
-0.578 |
-0.576 |
-0.424 |
-27.366 |
227.743 |
| Median |
-0.680 |
-0.659 |
-0.285 |
-16.571 |
224.679 |
| Deviation |
0.259 |
0.125 |
0.306 |
22.277 |
14.049 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
45.1 ± 2.5 |
258.2 ± 3.5 |
2.10 ± 0.07 |
| VC |
68.5 ± 2.2 |
372.3 ± 2.3 |
2.10 ± 0.07 |
| MX1 |
49.1 ± 2.2 |
312.0 ± 2.6 |
2.10 ± 0.07 |
| MX2 |
50.5 ± 2.1 |
320.2 ± 2.5 |
2.10 ± 0.07 |
| MX3 |
51.5 ± 2.0 |
325.0 ± 2.4 |
2.10 ± 0.07 |
| RH08 |
52.7 ± 1.8 |
328.5 ± 2.1 |
2.10 ± 0.07 |
| RH09 |
55.8 ± 2.2 |
134.2 ± 4.4 |
2.10 ± 0.07 |
| RH10 |
55.8 ± 2.2 |
134.2 ± 4.4 |
2.10 ± 0.07 |
| Average |
53.6 |
273.1 |
2.10 |
| Median |
52.7 |
320.2 |
2.10 |
| Deviation |
6.9 |
91.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
76.7 ± 0.6 |
9.8 ± 0.1 |
12.7 ± 0.1 |
23.9 ± 0.3 |
7.80 ± 0.09 |
3.21 ± 0.04 |
| VC |
88.5 ± 0.8 |
4.8 ± 0.1 |
6.6 ± 0.1 |
25.4 ± 0.4 |
18.38 ± 0.20 |
3.49 ± 0.04 |
| MX1 |
83.2 ± 0.6 |
9.0 ± 0.1 |
11.8 ± 0.1 |
24.2 ± 0.3 |
9.23 ± 0.10 |
3.44 ± 0.04 |
| MX2 |
83.8 ± 0.6 |
8.7 ± 0.1 |
11.5 ± 0.1 |
24.3 ± 0.3 |
9.60 ± 0.10 |
3.45 ± 0.04 |
| MX3 |
84.0 ± 0.6 |
8.5 ± 0.1 |
11.3 ± 0.1 |
24.4 ± 0.3 |
9.86 ± 0.10 |
3.44 ± 0.04 |
| RH8 |
83.3 ± 0.6 |
8.3 ± 0.1 |
11.0 ± 0.1 |
24.5 ± 0.4 |
10.09 ± 0.10 |
3.40 ± 0.04 |
| RH9 |
52.5 ± 0.5 |
7.6 ± 0.1 |
10.2 ± 0.1 |
24.7 ± 0.4 |
6.92 ± 0.10 |
2.13 ± 0.03 |
| RH10 |
52.5 ± 0.5 |
7.6 ± 0.1 |
10.2 ± 0.1 |
24.7 ± 0.4 |
6.92 ± 0.10 |
2.13 ± 0.03 |
| Average |
75.6 |
8.0 |
10.7 |
24.5 |
9.8 |
3.1 |
| Median |
83.3 |
8.5 |
11.3 |
24.5 |
9.6 |
3.4 |
| Deviation |
14.6 |
1.5 |
1.8 |
0.4 |
3.7 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
36.6 ± 1.1 |
15.9 ± 0.7 |
19.5 ± 1.2 |
39.3 ± 1.2 |
2.31 ± 0.15 |
0.93 ± 0.05 |
| VC |
42.3 ± 0.7 |
7.8 ± 0.3 |
10.1 ± 0.6 |
41.7 ± 1.3 |
5.42 ± 0.20 |
1.02 ± 0.03 |
| MX1 |
39.6 ± 0.8 |
14.6 ± 0.6 |
18.1 ± 1.1 |
39.8 ± 1.2 |
2.72 ± 0.14 |
1.00 ± 0.04 |
| MX2 |
39.9 ± 0.8 |
14.1 ± 0.6 |
17.6 ± 1.1 |
40.0 ± 1.3 |
2.83 ± 0.13 |
1.00 ± 0.04 |
| MX3 |
40.0 ± 0.8 |
13.8 ± 0.6 |
17.2 ± 1.1 |
40.1 ± 1.3 |
2.91 ± 0.13 |
1.00 ± 0.03 |
| RH8 |
39.9 ± 0.8 |
13.4 ± 0.5 |
16.7 ± 1.0 |
40.3 ± 1.3 |
2.99 ± 0.12 |
0.99 ± 0.03 |
| RH9 |
25.2 ± 1.8 |
12.3 ± 0.5 |
15.5 ± 1.0 |
40.6 ± 1.3 |
2.06 ± 0.22 |
0.62 ± 0.06 |
| RH10 |
25.2 ± 1.8 |
12.3 ± 0.5 |
15.5 ± 1.0 |
40.6 ± 1.3 |
2.06 ± 0.22 |
0.62 ± 0.06 |
| Average |
36.1 |
13.0 |
16.3 |
40.3 |
2.9 |
0.9 |
| Median |
39.9 |
13.8 |
17.2 |
40.3 |
2.8 |
1.0 |
| Deviation |
6.9 |
2.4 |
2.8 |
0.7 |
1.1 |
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)
| 
