Database: Wind Shock Analysis
Event ID: 19991771930
Observation time: 06/26/1999 177.81318 1930 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
177.813177 |
| Arrival time of shock [seconds of day] |
70258.5 ± 9.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
209.440 |
| Y GSE location of spacecraft [Re] |
-22.310 |
| Z GSE location of spacecraft [Re] |
-3.240 |
| Upstream plasma points selected for analysis |
0011 |
| Upstream field points selected for analysis |
0336 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0219 |
| Minimum chisq/dof for RH8,RH9,RH10 |
15.70, 18.27, 18.81 |
Event added to database
|
Mon Feb 14 11:08:08 2005
|
Event last processed
|
Mon Mar 30 18:43:28 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
47.450 ± 1.305
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-331.4 ± 2.0 |
-412.9 ± 2.6 |
| Vy GSE [km/s] |
-22.7 ± 3.5 |
-14.1 ± 6.1 |
| Vz GSE [km/s] |
-23.9 ± 4.6 |
-48.5 ± 3.8 |
| Wi [km/s] |
38.4 ± 1.8 |
64.7 ± 5.0 |
| We [km/s] |
1214.5 ± 55.4 |
2045.6 ± 159.2 |
| Ni [n/cc] |
15.6 ± 1.0 |
33.9 ± 1.6 |
| Bx GSE [nT] |
-4.4 ± 0.6 |
-3.0 ± 0.4 |
| By GSE [nT] |
8.8 ± 1.0 |
7.2 ± 2.1 |
| Bz GSE [nT] |
6.6 ± 0.9 |
22.1 ± 0.6 |
Plasma Beta
|
0.345 ± 0.364
|
0.545 ± 0.548
|
Sound Speed [km/s]
|
49.58 ± 2.26
|
83.51 ± 6.50
|
Alfven Speed [km/s]
|
65.59 ± 1.81
|
87.97 ± 1.52
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.474 ± 0.105 |
0.871 ± 0.058 |
0.133 ± 0.132 |
7.62 ± 5.87 |
118.55 ± 6.90 |
| VC |
-0.953 ± 0.020 |
0.100 ± 0.077 |
-0.286 ± 0.278 |
-16.64 ± 3.61 |
174.02 ± 4.62 |
| MX1 |
-0.853 ± 0.098 |
0.504 ± 0.165 |
0.138 ± 0.138 |
7.96 ± 4.00 |
149.41 ± 11.06 |
| MX2 |
-0.970 ± 0.015 |
0.218 ± 0.063 |
0.112 ± 0.111 |
6.43 ± 2.39 |
167.33 ± 3.70 |
| MX3 |
-0.993 ± 0.005 |
0.065 ± 0.047 |
0.096 ± 0.095 |
5.49 ± 2.26 |
176.23 ± 2.71 |
| RH08 |
-0.987 ± 0.002 |
0.095 ± 0.013 |
0.128 ± 0.128 |
7.38 ± 0.49 |
174.48 ± 0.75 |
| RH09 |
-0.987 ± 0.010 |
0.095 ± 0.071 |
0.128 ± 0.128 |
7.38 ± 3.54 |
174.48 ± 4.11 |
| RH10 |
-0.987 ± 0.011 |
0.095 ± 0.070 |
0.128 ± 0.128 |
7.38 ± 3.82 |
174.48 ± 4.08 |
| Average |
-0.900 |
0.255 |
0.072 |
4.125 |
163.625 |
| Median |
-0.970 |
0.100 |
0.128 |
7.382 |
174.485 |
| Deviation |
0.179 |
0.288 |
0.146 |
8.427 |
20.244 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
26.6 ± 5.4 |
211.5 ± 8.6 |
2.16 ± 0.13 |
| VC |
74.4 ± 3.6 |
478.2 ± 11.6 |
2.16 ± 0.13 |
| MX1 |
40.0 ± 3.5 |
398.6 ± 8.4 |
2.16 ± 0.13 |
| MX2 |
54.3 ± 3.6 |
459.2 ± 9.4 |
2.16 ± 0.13 |
| MX3 |
61.9 ± 3.7 |
472.5 ± 10.0 |
2.16 ± 0.13 |
| RH08 |
59.4 ± 3.7 |
467.2 ± 9.7 |
2.16 ± 0.13 |
| RH09 |
59.4 ± 3.7 |
467.2 ± 9.7 |
2.16 ± 0.13 |
| RH10 |
59.4 ± 3.7 |
467.2 ± 9.7 |
2.16 ± 0.13 |
| Average |
54.4 |
427.7 |
2.16 |
| Median |
59.4 |
467.2 |
2.16 |
| Deviation |
14.7 |
90.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
77.4 ± 2.7 |
40.6 ± 1.3 |
58.6 ± 1.6 |
71.5 ± 1.2 |
1.91 ± 0.10 |
1.08 ± 0.04 |
| VC |
157.9 ± 2.9 |
10.7 ± 0.3 |
17.6 ± 0.5 |
81.6 ± 1.2 |
14.74 ± 0.37 |
1.94 ± 0.04 |
| MX1 |
130.9 ± 1.9 |
33.0 ± 0.9 |
50.2 ± 1.4 |
75.3 ± 1.1 |
3.97 ± 0.12 |
1.74 ± 0.03 |
| MX2 |
145.5 ± 1.7 |
24.1 ± 0.6 |
38.3 ± 1.1 |
78.6 ± 1.1 |
6.04 ± 0.15 |
1.85 ± 0.03 |
| MX3 |
147.1 ± 1.8 |
19.1 ± 0.5 |
30.9 ± 0.9 |
80.0 ± 1.2 |
7.70 ± 0.18 |
1.84 ± 0.03 |
| RH8 |
145.4 ± 1.7 |
20.8 ± 0.5 |
33.4 ± 0.9 |
79.6 ± 1.2 |
7.00 ± 0.16 |
1.83 ± 0.03 |
| RH9 |
145.4 ± 1.7 |
20.8 ± 0.5 |
33.4 ± 0.9 |
79.6 ± 1.2 |
7.00 ± 0.16 |
1.83 ± 0.03 |
| RH10 |
145.4 ± 1.7 |
20.8 ± 0.5 |
33.4 ± 0.9 |
79.6 ± 1.2 |
7.00 ± 0.16 |
1.83 ± 0.03 |
| Average |
136.9 |
23.7 |
37.0 |
78.2 |
6.9 |
1.7 |
| Median |
145.4 |
20.8 |
33.4 |
79.6 |
7.0 |
1.8 |
| Deviation |
25.1 |
9.2 |
12.5 |
3.2 |
3.7 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
34.6 ± 4.8 |
63.3 ± 2.7 |
78.7 ± 1.4 |
103.6 ± 3.4 |
0.55 ± 0.09 |
0.34 ± 0.05 |
| VC |
72.3 ± 1.8 |
16.4 ± 0.7 |
23.7 ± 0.4 |
120.3 ± 4.2 |
4.41 ± 0.19 |
0.60 ± 0.02 |
| MX1 |
60.5 ± 3.1 |
51.0 ± 2.1 |
67.4 ± 1.2 |
110.2 ± 3.8 |
1.19 ± 0.08 |
0.55 ± 0.03 |
| MX2 |
67.3 ± 2.6 |
37.0 ± 1.5 |
51.3 ± 0.9 |
115.6 ± 4.0 |
1.82 ± 0.08 |
0.58 ± 0.02 |
| MX3 |
67.9 ± 2.7 |
29.3 ± 1.2 |
41.4 ± 0.7 |
117.8 ± 4.1 |
2.32 ± 0.09 |
0.58 ± 0.02 |
| RH8 |
67.2 ± 2.8 |
31.9 ± 1.3 |
44.8 ± 0.8 |
117.1 ± 4.1 |
2.11 ± 0.08 |
0.57 ± 0.02 |
| RH9 |
67.2 ± 2.8 |
31.9 ± 1.3 |
44.8 ± 0.8 |
117.1 ± 4.1 |
2.11 ± 0.08 |
0.57 ± 0.02 |
| RH10 |
67.2 ± 2.8 |
31.9 ± 1.3 |
44.8 ± 0.8 |
117.1 ± 4.1 |
2.11 ± 0.08 |
0.57 ± 0.02 |
| Average |
63.0 |
36.6 |
49.6 |
114.9 |
2.1 |
0.5 |
| Median |
67.2 |
31.9 |
44.8 |
117.1 |
2.1 |
0.6 |
| Deviation |
11.9 |
14.4 |
16.8 |
5.4 |
1.1 |
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)
| 
