Database: Wind Shock Analysis
Event ID: 20011852250
Observation time: 07/04/2001 185.95141 2250 [UT]
|
![Wind spacecraft](../windsm.gif)
|
General
Information (About, Top)
Year |
2001 |
Fractional day of year |
185.951406 |
Arrival time of shock [seconds of day] |
82201.5 ± 6.0 |
Shock type |
SF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
42.889 |
Y GSE location of spacecraft [Re] |
222.134 |
Z GSE location of spacecraft [Re] |
15.261 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0231 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0243 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.63, 6.18, 6.69 |
Event added to database
|
Mon Feb 14 11:14:23 2005
|
Event last processed
|
Mon Mar 30 21:15:25 2009
|
Method selected
|
MX3
|
Propagation delay to Earth [minutes]
|
18.763 ± 21.231
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-391.6 ± 3.0 |
-418.5 ± 2.7 |
Vy GSE [km/s] |
2.3 ± 4.4 |
40.2 ± 1.7 |
Vz GSE [km/s] |
-27.7 ± 2.5 |
-11.2 ± 2.2 |
Wi [km/s] |
49.7 ± 2.3 |
53.5 ± 3.1 |
We [km/s] |
1572.9 ± 73.2 |
1690.3 ± 97.1 |
Ni [n/cc] |
6.9 ± 0.4 |
9.6 ± 0.2 |
Bx GSE [nT] |
3.6 ± 0.4 |
-2.5 ± 0.6 |
By GSE [nT] |
-6.8 ± 0.4 |
3.6 ± 1.4 |
Bz GSE [nT] |
-3.2 ± 0.3 |
1.6 ± 0.5 |
Plasma Beta
|
0.522 ± 0.553
|
3.138 ± 3.193
|
Sound Speed [km/s]
|
64.21 ± 2.99
|
69.01 ± 3.96
|
Alfven Speed [km/s]
|
69.56 ± 4.65
|
33.73 ± 8.49
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.914 ± 0.282 |
-0.381 ± 0.620 |
-0.139 ± 0.138 |
-7.97 ± 51.04 |
202.64 ± 38.76 |
VC |
-0.545 ± 0.044 |
0.769 ± 0.034 |
0.334 ± 0.321 |
19.52 ± 3.08 |
125.29 ± 3.19 |
MX1 |
-0.877 ± 0.136 |
-0.319 ± 0.208 |
-0.359 ± 0.343 |
-21.04 ± 19.46 |
199.98 ± 13.29 |
MX2 |
-0.992 ± 0.131 |
-0.119 ± 1.035 |
-0.049 ± 0.049 |
-2.79 ± 49.52 |
186.83 ± 59.81 |
MX3 |
-0.917 ± 0.216 |
-0.159 ± 0.475 |
-0.366 ± 0.349 |
-21.47 ± 31.80 |
189.81 ± 29.57 |
RH08 |
-0.860 ± 0.012 |
-0.488 ± 0.017 |
-0.151 ± 0.150 |
-8.68 ± 2.87 |
209.58 ± 1.12 |
RH09 |
-0.860 ± 0.018 |
-0.488 ± 0.027 |
-0.151 ± 0.150 |
-8.68 ± 4.21 |
209.58 ± 1.78 |
RH10 |
-0.860 ± 0.019 |
-0.488 ± 0.030 |
-0.151 ± 0.150 |
-8.68 ± 4.26 |
209.58 ± 1.95 |
Average |
-0.853 |
-0.209 |
-0.129 |
-7.473 |
191.662 |
Median |
-0.860 |
-0.319 |
-0.151 |
-8.675 |
202.638 |
Deviation |
0.133 |
0.421 |
0.218 |
12.732 |
28.247 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
88.4 ± 2.6 |
388.3 ± 11.2 |
1.39 ± 0.11 |
VC |
8.0 ± 2.6 |
392.5 ± 25.2 |
1.39 ± 0.11 |
MX1 |
88.7 ± 2.7 |
372.4 ± 10.8 |
1.39 ± 0.11 |
MX2 |
71.9 ± 2.6 |
465.6 ± 15.8 |
1.39 ± 0.11 |
MX3 |
82.9 ± 2.8 |
411.4 ± 12.8 |
1.39 ± 0.11 |
RH08 |
85.0 ± 2.5 |
346.0 ± 9.8 |
1.39 ± 0.11 |
RH09 |
85.0 ± 2.5 |
346.0 ± 9.8 |
1.39 ± 0.11 |
RH10 |
85.0 ± 2.5 |
346.0 ± 9.8 |
1.39 ± 0.11 |
Average |
74.4 |
383.5 |
1.39 |
Median |
85.0 |
388.3 |
1.39 |
Deviation |
27.3 |
41.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
27.4 ± 1.9 |
1.3 ± 0.0 |
2.0 ± 0.1 |
94.8 ± 2.2 |
20.61 ± 1.54 |
0.29 ± 0.02 |
VC |
186.8 ± 5.2 |
60.6 ± 1.6 |
68.9 ± 4.6 |
72.8 ± 3.0 |
3.08 ± 0.17 |
2.57 ± 0.07 |
MX1 |
19.7 ± 1.7 |
1.0 ± 0.0 |
1.5 ± 0.1 |
94.8 ± 2.2 |
18.99 ± 1.70 |
0.21 ± 0.02 |
MX2 |
76.2 ± 2.6 |
14.8 ± 0.3 |
21.6 ± 1.4 |
93.6 ± 2.2 |
5.16 ± 0.21 |
0.81 ± 0.03 |
MX3 |
42.6 ± 1.9 |
5.8 ± 0.1 |
8.5 ± 0.6 |
94.6 ± 2.2 |
7.36 ± 0.36 |
0.45 ± 0.02 |
RH8 |
6.3 ± 1.9 |
4.1 ± 0.1 |
6.0 ± 0.4 |
94.7 ± 2.2 |
1.54 ± 0.47 |
0.07 ± 0.02 |
RH9 |
6.3 ± 1.9 |
4.1 ± 0.1 |
6.0 ± 0.4 |
94.7 ± 2.2 |
1.54 ± 0.47 |
0.07 ± 0.02 |
RH10 |
6.3 ± 1.9 |
4.1 ± 0.1 |
6.0 ± 0.4 |
94.7 ± 2.2 |
1.54 ± 0.47 |
0.07 ± 0.02 |
Average |
46.4 |
12.0 |
15.1 |
91.8 |
7.5 |
0.6 |
Median |
27.4 |
4.1 |
6.0 |
94.7 |
5.2 |
0.3 |
Deviation |
61.5 |
20.1 |
22.6 |
7.7 |
7.9 |
0.8 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
19.6 ± 2.3 |
0.8 ± 0.2 |
1.0 ± 0.2 |
77.3 ± 1.0 |
23.98 ± 5.16 |
0.25 ± 0.03 |
VC |
137.5 ± 2.6 |
33.2 ± 8.3 |
33.4 ± 8.4 |
69.3 ± 3.8 |
4.37 ± 1.08 |
1.99 ± 0.13 |
MX1 |
14.1 ± 2.4 |
0.7 ± 0.1 |
0.7 ± 0.2 |
77.3 ± 1.0 |
22.23 ± 5.80 |
0.18 ± 0.03 |
MX2 |
54.9 ± 2.6 |
9.3 ± 1.8 |
10.5 ± 2.6 |
76.7 ± 1.0 |
6.10 ± 1.20 |
0.72 ± 0.03 |
MX3 |
30.0 ± 2.6 |
3.7 ± 0.7 |
4.1 ± 1.0 |
77.2 ± 1.0 |
8.47 ± 1.81 |
0.39 ± 0.03 |
RH8 |
4.2 ± 2.1 |
2.6 ± 0.5 |
2.9 ± 0.7 |
77.3 ± 1.0 |
1.64 ± 0.89 |
0.05 ± 0.03 |
RH9 |
4.2 ± 2.1 |
2.6 ± 0.5 |
2.9 ± 0.7 |
77.3 ± 1.0 |
1.64 ± 0.89 |
0.05 ± 0.03 |
RH10 |
4.2 ± 2.1 |
2.6 ± 0.5 |
2.9 ± 0.7 |
77.3 ± 1.0 |
1.64 ± 0.89 |
0.05 ± 0.03 |
Average |
33.6 |
6.9 |
7.3 |
76.2 |
8.8 |
0.5 |
Median |
19.6 |
2.6 |
2.9 |
77.3 |
6.1 |
0.3 |
Deviation |
45.4 |
11.0 |
11.0 |
2.8 |
9.2 |
0.7 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00244.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00244.png)
|
Velocity
![V](wi_selv_00244.png)
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00244.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00244.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
|