Database: Wind Shock Analysis
Event ID: 20020771314
Observation time: 03/18/2002 77.55144 1314 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
77.551441 |
| Arrival time of shock [seconds of day] |
47644.5 ± 18.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
44.206 |
| Y GSE location of spacecraft [Re] |
-122.757 |
| Z GSE location of spacecraft [Re] |
-3.720 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0305 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0229 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.00, 39.65, 16.42 |
Event added to database
|
Mon Feb 14 11:18:22 2005
|
Event last processed
|
Mon Mar 30 22:48:35 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
7.356 ± 0.574
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-312.4 ± 8.1 |
-470.5 ± 6.3 |
| Vy GSE [km/s] |
-13.2 ± 4.5 |
-20.2 ± 3.1 |
| Vz GSE [km/s] |
-0.2 ± 4.4 |
-24.8 ± 17.8 |
| Wi [km/s] |
32.3 ± 2.5 |
63.5 ± 7.9 |
| We [km/s] |
1022.5 ± 78.2 |
2008.4 ± 248.7 |
| Ni [n/cc] |
15.5 ± 2.4 |
37.4 ± 3.4 |
| Bx GSE [nT] |
-3.6 ± 1.4 |
-2.0 ± 2.8 |
| By GSE [nT] |
3.1 ± 1.1 |
15.1 ± 5.5 |
| Bz GSE [nT] |
-0.7 ± 0.7 |
-3.1 ± 4.7 |
Plasma Beta
|
1.430 ± 1.185
|
2.066 ± 0.801
|
Sound Speed [km/s]
|
41.74 ± 3.19
|
81.99 ± 10.15
|
Alfven Speed [km/s]
|
28.45 ± 4.08
|
59.51 ± 18.74
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.967 ± 0.116 |
0.248 ± 0.444 |
0.059 ± 0.059 |
3.37 ± 22.10 |
165.64 ± 26.32 |
| VC |
-0.987 ± 0.017 |
-0.044 ± 0.032 |
-0.154 ± 0.152 |
-8.83 ± 6.25 |
182.54 ± 1.85 |
| MX1 |
-0.988 ± 0.041 |
-0.058 ± 0.540 |
-0.142 ± 0.141 |
-8.16 ± 10.81 |
183.34 ± 31.30 |
| MX2 |
-0.990 ± 0.035 |
0.091 ± 0.256 |
-0.109 ± 0.108 |
-6.24 ± 13.98 |
174.75 ± 14.83 |
| MX3 |
-0.993 ± 0.030 |
0.058 ± 0.241 |
-0.104 ± 0.104 |
-5.97 ± 14.77 |
176.63 ± 13.89 |
| RH08 |
-0.994 ± 0.001 |
-0.026 ± 0.010 |
-0.106 ± 0.106 |
-6.09 ± 0.58 |
181.50 ± 0.55 |
| RH09 |
-0.999 ± 0.003 |
-0.026 ± 0.068 |
-0.028 ± 0.028 |
-1.60 ± 4.06 |
181.50 ± 3.91 |
| RH10 |
-0.166 ± 0.070 |
0.284 ± 0.067 |
0.944 ± 0.407 |
70.76 ± 4.01 |
120.33 ± 12.32 |
| Average |
-0.886 |
0.066 |
0.045 |
4.653 |
170.780 |
| Median |
-0.988 |
0.058 |
-0.104 |
-5.971 |
181.504 |
| Deviation |
0.291 |
0.134 |
0.370 |
27.002 |
21.203 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
32.4 ± 16.9 |
556.9 ± 37.3 |
2.29 ± 0.37 |
| VC |
45.1 ± 20.5 |
579.7 ± 39.8 |
2.29 ± 0.37 |
| MX1 |
45.9 ± 20.4 |
579.8 ± 39.8 |
2.29 ± 0.37 |
| MX2 |
37.7 ± 20.2 |
574.9 ± 39.3 |
2.29 ± 0.37 |
| MX3 |
39.5 ± 20.2 |
577.0 ± 39.5 |
2.29 ± 0.37 |
| RH08 |
44.2 ± 20.3 |
580.0 ± 39.7 |
2.29 ± 0.37 |
| RH09 |
44.8 ± 19.8 |
582.8 ± 39.4 |
2.29 ± 0.37 |
| RH10 |
79.3 ± 7.9 |
50.1 ± 28.6 |
2.29 ± 0.37 |
| Average |
46.1 |
510.1 |
2.29 |
| Median |
44.8 |
579.7 |
2.29 |
| Deviation |
14.2 |
186.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
258.0 ± 7.3 |
21.8 ± 2.6 |
24.0 ± 3.4 |
45.7 ± 2.4 |
11.96 ± 1.40 |
5.66 ± 0.31 |
| VC |
270.7 ± 8.5 |
17.5 ± 2.0 |
20.1 ± 2.9 |
47.5 ± 2.3 |
15.59 ± 1.67 |
5.70 ± 0.27 |
| MX1 |
270.2 ± 8.5 |
17.3 ± 1.9 |
19.8 ± 2.8 |
47.6 ± 2.3 |
15.82 ± 1.69 |
5.68 ± 0.27 |
| MX2 |
266.7 ± 8.2 |
20.1 ± 2.3 |
22.5 ± 3.2 |
46.5 ± 2.4 |
13.42 ± 1.50 |
5.75 ± 0.29 |
| MX3 |
267.6 ± 8.2 |
19.5 ± 2.2 |
22.0 ± 3.1 |
46.8 ± 2.4 |
13.89 ± 1.54 |
5.73 ± 0.29 |
| RH8 |
269.1 ± 8.4 |
17.8 ± 2.0 |
20.4 ± 2.9 |
47.4 ± 2.3 |
15.24 ± 1.64 |
5.68 ± 0.27 |
| RH9 |
270.2 ± 8.2 |
17.6 ± 2.0 |
20.2 ± 2.9 |
47.5 ± 2.3 |
15.50 ± 1.67 |
5.70 ± 0.27 |
| RH10 |
2.0 ± 3.7 |
4.3 ± 0.4 |
5.3 ± 0.8 |
50.5 ± 2.5 |
0.50 ± 0.91 |
0.04 ± 0.07 |
| Average |
234.3 |
17.0 |
19.3 |
47.4 |
12.7 |
5.0 |
| Median |
269.1 |
17.8 |
20.4 |
47.5 |
15.2 |
5.7 |
| Deviation |
93.9 |
5.4 |
5.8 |
1.4 |
5.1 |
2.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
108.3 ± 7.1 |
43.4 ± 11.7 |
50.2 ± 15.8 |
92.8 ± 6.4 |
2.70 ± 0.94 |
1.17 ± 0.07 |
| VC |
110.5 ± 5.1 |
34.7 ± 9.0 |
42.0 ± 13.2 |
96.7 ± 6.5 |
3.45 ± 1.27 |
1.15 ± 0.06 |
| MX1 |
110.1 ± 5.2 |
34.2 ± 8.8 |
41.4 ± 13.1 |
96.9 ± 6.5 |
3.50 ± 1.28 |
1.14 ± 0.06 |
| MX2 |
108.2 ± 5.4 |
39.9 ± 10.5 |
47.1 ± 14.8 |
94.5 ± 6.4 |
2.95 ± 1.09 |
1.15 ± 0.06 |
| MX3 |
108.5 ± 5.4 |
38.6 ± 10.1 |
45.9 ± 14.5 |
95.1 ± 6.4 |
3.05 ± 1.12 |
1.14 ± 0.06 |
| RH8 |
109.2 ± 5.4 |
35.3 ± 9.1 |
42.6 ± 13.4 |
96.4 ± 6.4 |
3.35 ± 1.21 |
1.13 ± 0.06 |
| RH9 |
111.4 ± 6.0 |
34.9 ± 9.0 |
42.2 ± 13.3 |
96.6 ± 6.4 |
3.45 ± 1.19 |
1.15 ± 0.06 |
| RH10 |
0.9 ± 18.1 |
8.5 ± 2.1 |
11.0 ± 3.5 |
102.6 ± 7.3 |
-0.43 ± 2.68 |
0.00 ± 0.17 |
| Average |
95.9 |
33.7 |
40.3 |
96.4 |
2.8 |
1.0 |
| Median |
109.2 |
35.3 |
42.6 |
96.6 |
3.3 |
1.1 |
| Deviation |
38.4 |
10.7 |
12.2 |
2.9 |
1.3 |
0.4 |
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)
| 
