Database: Wind Shock Analysis
Event ID: 20012880801
Observation time: 10/15/2001 288.33429 0801 [UT]
|
![Wind spacecraft](../windsm.gif)
|
General
Information (About, Top)
Year |
2001 |
Fractional day of year |
288.334288 |
Arrival time of shock [seconds of day] |
28882.5 ± 150.0 |
Shock type |
SF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
67.410 |
Y GSE location of spacecraft [Re] |
-57.808 |
Z GSE location of spacecraft [Re] |
7.610 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0274 |
Downstream plasma points selected for analysis |
0007
|
Downstream field points selected for analysis |
0269 |
Minimum chisq/dof for RH8,RH9,RH10 |
3.33, 3.62, 3.75 |
Event added to database
|
Mon Feb 14 11:15:52 2005
|
Event last processed
|
Mon Mar 30 21:48:46 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
13.443 ± 1.783
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-429.7 ± 4.0 |
-456.0 ± 5.9 |
Vy GSE [km/s] |
-16.1 ± 5.6 |
7.7 ± 3.8 |
Vz GSE [km/s] |
17.7 ± 4.5 |
-18.7 ± 4.7 |
Wi [km/s] |
35.7 ± 2.2 |
46.3 ± 3.3 |
We [km/s] |
1129.6 ± 68.0 |
1464.0 ± 105.6 |
Ni [n/cc] |
3.0 ± 0.2 |
5.9 ± 1.0 |
Bx GSE [nT] |
3.5 ± 0.2 |
2.6 ± 0.4 |
By GSE [nT] |
-3.3 ± 0.5 |
-1.7 ± 0.3 |
Bz GSE [nT] |
4.7 ± 0.3 |
2.8 ± 0.2 |
Plasma Beta
|
0.180 ± 0.172
|
1.497 ± 1.535
|
Sound Speed [km/s]
|
46.12 ± 2.78
|
59.77 ± 4.31
|
Alfven Speed [km/s]
|
84.85 ± 3.57
|
38.65 ± 7.34
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.946 ± 0.179 |
-0.325 ± 0.520 |
-0.008 ± 0.008 |
-0.43 ± 23.97 |
198.99 ± 31.54 |
VC |
-0.518 ± 0.101 |
0.474 ± 0.107 |
-0.711 ± 0.556 |
-45.36 ± 4.63 |
137.54 ± 11.02 |
MX1 |
-0.981 ± 0.164 |
-0.182 ± 0.870 |
0.065 ± 0.065 |
3.73 ± 26.58 |
190.52 ± 50.80 |
MX2 |
-0.980 ± 0.142 |
-0.197 ± 0.705 |
0.011 ± 0.011 |
0.65 ± 22.39 |
191.35 ± 41.22 |
MX3 |
-0.975 ± 0.138 |
-0.214 ± 0.621 |
0.060 ± 0.060 |
3.43 ± 23.15 |
192.37 ± 36.51 |
RH08 |
-0.940 ± 0.008 |
-0.091 ± 0.027 |
0.330 ± 0.317 |
19.25 ± 1.38 |
185.52 ± 1.63 |
RH09 |
-0.933 ± 0.020 |
-0.074 ± 0.059 |
0.352 ± 0.337 |
20.61 ± 3.12 |
184.51 ± 3.64 |
RH10 |
-0.933 ± 0.021 |
-0.074 ± 0.061 |
0.352 ± 0.337 |
20.61 ± 3.29 |
184.51 ± 3.77 |
Average |
-0.901 |
-0.085 |
0.056 |
2.811 |
183.164 |
Median |
-0.940 |
-0.091 |
0.065 |
3.728 |
190.524 |
Deviation |
0.156 |
0.242 |
0.347 |
21.514 |
19.076 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
70.1 ± 3.1 |
448.1 ± 8.1 |
1.96 ± 0.27 |
VC |
4.7 ± 1.4 |
307.5 ± 21.6 |
1.96 ± 0.27 |
MX1 |
67.8 ± 2.7 |
465.5 ± 7.2 |
1.96 ± 0.27 |
MX2 |
66.0 ± 2.8 |
468.0 ± 7.7 |
1.96 ± 0.27 |
MX3 |
68.8 ± 2.7 |
462.1 ± 7.3 |
1.96 ± 0.27 |
RH08 |
77.5 ± 2.3 |
433.4 ± 6.1 |
1.96 ± 0.27 |
RH09 |
78.2 ± 2.3 |
429.4 ± 6.1 |
1.96 ± 0.27 |
RH10 |
78.2 ± 2.3 |
429.4 ± 6.1 |
1.96 ± 0.27 |
Average |
63.9 |
430.4 |
1.96 |
Median |
70.1 |
448.1 |
1.96 |
Deviation |
24.4 |
52.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
36.7 ± 5.5 |
13.9 ± 0.5 |
28.8 ± 1.2 |
95.6 ± 2.1 |
2.65 ± 0.44 |
0.38 ± 0.06 |
VC |
105.0 ± 3.1 |
45.9 ± 2.7 |
84.6 ± 3.6 |
85.0 ± 3.5 |
2.29 ± 0.14 |
1.24 ± 0.08 |
MX1 |
39.8 ± 4.6 |
15.5 ± 0.6 |
32.0 ± 1.3 |
95.4 ± 2.1 |
2.58 ± 0.34 |
0.42 ± 0.05 |
MX2 |
43.4 ± 4.9 |
16.7 ± 0.6 |
34.6 ± 1.5 |
95.2 ± 2.1 |
2.60 ± 0.34 |
0.46 ± 0.05 |
MX3 |
38.6 ± 4.7 |
14.8 ± 0.5 |
30.7 ± 1.3 |
95.5 ± 2.1 |
2.61 ± 0.36 |
0.40 ± 0.05 |
RH8 |
22.3 ± 3.0 |
8.8 ± 0.3 |
18.3 ± 0.8 |
96.2 ± 2.0 |
2.55 ± 0.38 |
0.23 ± 0.03 |
RH9 |
21.0 ± 2.8 |
8.3 ± 0.3 |
17.4 ± 0.7 |
96.3 ± 2.0 |
2.53 ± 0.37 |
0.22 ± 0.03 |
RH10 |
21.0 ± 2.8 |
8.3 ± 0.3 |
17.4 ± 0.7 |
96.3 ± 2.0 |
2.53 ± 0.37 |
0.22 ± 0.03 |
Average |
41.0 |
16.5 |
33.0 |
94.4 |
2.5 |
0.4 |
Median |
38.6 |
14.8 |
30.7 |
95.6 |
2.6 |
0.4 |
Deviation |
27.5 |
12.4 |
22.0 |
3.8 |
0.1 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
19.3 ± 4.6 |
11.1 ± 1.7 |
13.1 ± 2.5 |
70.4 ± 7.4 |
1.73 ± 0.22 |
0.27 ± 0.04 |
VC |
54.2 ± 8.0 |
38.4 ± 7.2 |
38.5 ± 7.3 |
59.9 ± 4.4 |
1.42 ± 0.10 |
0.90 ± 0.06 |
MX1 |
20.8 ± 4.9 |
12.4 ± 1.9 |
14.6 ± 2.8 |
70.2 ± 7.4 |
1.67 ± 0.21 |
0.29 ± 0.04 |
MX2 |
22.7 ± 5.1 |
13.4 ± 2.0 |
15.7 ± 3.0 |
70.0 ± 7.3 |
1.69 ± 0.19 |
0.32 ± 0.04 |
MX3 |
20.3 ± 4.8 |
11.9 ± 1.8 |
14.0 ± 2.7 |
70.3 ± 7.4 |
1.70 ± 0.22 |
0.29 ± 0.04 |
RH8 |
11.8 ± 3.9 |
7.0 ± 1.1 |
8.3 ± 1.6 |
70.9 ± 7.5 |
1.66 ± 0.37 |
0.16 ± 0.04 |
RH9 |
11.1 ± 3.9 |
6.7 ± 1.0 |
7.9 ± 1.5 |
71.0 ± 7.5 |
1.65 ± 0.38 |
0.15 ± 0.04 |
RH10 |
11.1 ± 3.9 |
6.7 ± 1.0 |
7.9 ± 1.5 |
71.0 ± 7.5 |
1.65 ± 0.38 |
0.15 ± 0.04 |
Average |
21.4 |
13.4 |
15.0 |
69.2 |
1.6 |
0.3 |
Median |
20.3 |
11.9 |
14.0 |
70.4 |
1.7 |
0.3 |
Deviation |
14.1 |
10.5 |
10.0 |
3.8 |
0.1 |
0.2 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00269.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00269.png)
|
Velocity
![V](wi_selv_00269.png)
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00269.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00269.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
|