Database: Wind Shock Analysis
Event ID: 19992550357
Observation time: 09/12/1999 255.16523 0357 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
255.165226 |
| Arrival time of shock [seconds of day] |
14275.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
33.182 |
| Y GSE location of spacecraft [Re] |
-38.085 |
| Z GSE location of spacecraft [Re] |
-3.900 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0277 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0220 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.77, 21.69, 22.35 |
Event added to database
|
Mon Feb 14 11:08:40 2005
|
Event last processed
|
Mon Mar 30 18:59:04 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
3.861 ± 0.244
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-418.5 ± 2.9 |
-493.1 ± 6.1 |
| Vy GSE [km/s] |
-29.4 ± 2.9 |
-74.3 ± 5.4 |
| Vz GSE [km/s] |
13.5 ± 3.1 |
47.6 ± 2.5 |
| Wi [km/s] |
33.0 ± 0.8 |
45.7 ± 2.4 |
| We [km/s] |
1043.6 ± 25.4 |
1446.6 ± 75.4 |
| Ni [n/cc] |
3.7 ± 0.2 |
9.9 ± 0.4 |
| Bx GSE [nT] |
1.7 ± 0.2 |
3.8 ± 0.7 |
| By GSE [nT] |
-3.0 ± 0.3 |
-8.9 ± 1.0 |
| Bz GSE [nT] |
-2.1 ± 0.3 |
-1.7 ± 0.8 |
Plasma Beta
|
0.513 ± 0.502
|
0.463 ± 0.535
|
Sound Speed [km/s]
|
42.60 ± 1.04
|
59.06 ± 3.08
|
Alfven Speed [km/s]
|
46.11 ± 0.95
|
68.52 ± 6.49
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.423 ± 0.473 |
0.076 ± 0.316 |
0.903 ± 0.484 |
64.52 ± 30.32 |
169.76 ± 41.24 |
| VC |
-0.797 ± 0.037 |
-0.481 ± 0.057 |
0.364 ± 0.347 |
21.38 ± 2.83 |
211.11 ± 4.04 |
| MX1 |
-0.845 ± 0.043 |
-0.259 ± 0.091 |
0.468 ± 0.431 |
27.93 ± 4.20 |
197.06 ± 6.13 |
| MX2 |
-0.873 ± 0.033 |
-0.283 ± 0.087 |
0.397 ± 0.375 |
23.38 ± 2.66 |
197.94 ± 5.70 |
| MX3 |
-0.887 ± 0.035 |
-0.295 ± 0.088 |
0.356 ± 0.340 |
20.83 ± 3.35 |
198.38 ± 5.69 |
| RH08 |
-0.900 ± 0.005 |
-0.285 ± 0.009 |
0.330 ± 0.317 |
19.25 ± 0.81 |
197.55 ± 0.54 |
| RH09 |
-0.991 ± 0.009 |
-0.078 ± 0.066 |
0.106 ± 0.106 |
6.09 ± 4.01 |
184.51 ± 3.81 |
| RH10 |
-0.992 ± 0.008 |
-0.078 ± 0.067 |
0.095 ± 0.095 |
5.45 ± 4.01 |
184.51 ± 3.85 |
| Average |
-0.839 |
-0.210 |
0.377 |
23.604 |
192.603 |
| Median |
-0.873 |
-0.259 |
0.364 |
21.375 |
197.549 |
| Deviation |
0.181 |
0.174 |
0.251 |
18.365 |
12.546 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
45.4 ± 6.5 |
282.6 ± 5.5 |
2.63 ± 0.20 |
| VC |
80.1 ± 5.8 |
503.1 ± 7.8 |
2.63 ± 0.20 |
| MX1 |
65.8 ± 5.8 |
512.3 ± 7.6 |
2.63 ± 0.20 |
| MX2 |
68.4 ± 5.6 |
525.0 ± 7.8 |
2.63 ± 0.20 |
| MX3 |
69.9 ± 5.5 |
530.7 ± 7.9 |
2.63 ± 0.20 |
| RH08 |
69.9 ± 5.4 |
534.9 ± 8.0 |
2.63 ± 0.20 |
| RH09 |
65.2 ± 4.1 |
546.1 ± 8.6 |
2.63 ± 0.20 |
| RH10 |
65.5 ± 4.1 |
546.0 ± 8.7 |
2.63 ± 0.20 |
| Average |
66.3 |
497.6 |
2.63 |
| Median |
68.4 |
530.7 |
2.63 |
| Deviation |
9.7 |
88.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
95.5 ± 3.2 |
23.7 ± 0.4 |
32.4 ± 0.7 |
58.1 ± 1.1 |
4.03 ± 0.16 |
1.64 ± 0.07 |
| VC |
150.4 ± 3.8 |
5.4 ± 0.1 |
7.9 ± 0.2 |
62.5 ± 1.1 |
27.93 ± 0.73 |
2.40 ± 0.06 |
| MX1 |
144.8 ± 3.6 |
13.1 ± 0.2 |
18.9 ± 0.4 |
61.4 ± 1.1 |
11.06 ± 0.29 |
2.36 ± 0.06 |
| MX2 |
145.8 ± 3.6 |
11.7 ± 0.2 |
16.9 ± 0.4 |
61.7 ± 1.1 |
12.47 ± 0.32 |
2.36 ± 0.06 |
| MX3 |
146.0 ± 3.6 |
10.9 ± 0.2 |
15.8 ± 0.3 |
61.8 ± 1.1 |
13.39 ± 0.33 |
2.36 ± 0.06 |
| RH8 |
145.3 ± 3.5 |
10.9 ± 0.2 |
15.8 ± 0.3 |
61.8 ± 1.1 |
13.34 ± 0.33 |
2.35 ± 0.06 |
| RH9 |
127.5 ± 3.1 |
13.4 ± 0.2 |
19.3 ± 0.4 |
61.3 ± 1.1 |
9.49 ± 0.20 |
2.08 ± 0.04 |
| RH10 |
127.0 ± 3.1 |
13.3 ± 0.2 |
19.1 ± 0.4 |
61.4 ± 1.1 |
9.59 ± 0.20 |
2.07 ± 0.04 |
| Average |
135.3 |
12.8 |
18.3 |
61.3 |
12.7 |
2.2 |
| Median |
145.3 |
13.1 |
18.9 |
61.7 |
12.5 |
2.4 |
| Deviation |
18.3 |
5.1 |
6.8 |
1.3 |
6.9 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
36.7 ± 2.7 |
33.6 ± 0.9 |
48.1 ± 4.6 |
84.2 ± 3.5 |
1.09 ± 0.11 |
0.44 ± 0.05 |
| VC |
56.9 ± 4.0 |
7.7 ± 0.2 |
11.7 ± 1.1 |
90.3 ± 3.5 |
7.44 ± 0.59 |
0.63 ± 0.06 |
| MX1 |
54.2 ± 4.1 |
18.6 ± 0.5 |
28.1 ± 2.7 |
88.7 ± 3.5 |
2.92 ± 0.26 |
0.61 ± 0.06 |
| MX2 |
54.5 ± 4.4 |
16.6 ± 0.4 |
25.2 ± 2.4 |
89.1 ± 3.5 |
3.28 ± 0.30 |
0.61 ± 0.07 |
| MX3 |
54.5 ± 4.5 |
15.5 ± 0.4 |
23.5 ± 2.2 |
89.3 ± 3.5 |
3.52 ± 0.33 |
0.61 ± 0.07 |
| RH8 |
54.2 ± 4.6 |
15.5 ± 0.4 |
23.5 ± 2.2 |
89.3 ± 3.5 |
3.50 ± 0.34 |
0.61 ± 0.07 |
| RH9 |
46.5 ± 5.8 |
19.1 ± 0.5 |
28.7 ± 2.7 |
88.6 ± 3.5 |
2.44 ± 0.33 |
0.53 ± 0.08 |
| RH10 |
46.3 ± 5.8 |
18.8 ± 0.5 |
28.4 ± 2.7 |
88.7 ± 3.5 |
2.46 ± 0.33 |
0.52 ± 0.08 |
| Average |
50.5 |
18.2 |
27.2 |
88.5 |
3.3 |
0.6 |
| Median |
54.2 |
18.6 |
28.1 |
89.1 |
3.3 |
0.6 |
| Deviation |
6.8 |
7.2 |
10.1 |
1.8 |
1.8 |
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)
| 
