Database: Wind Shock Analysis
Event ID: 20010231049
Observation time: 01/23/2001 23.45113 1049 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
23.451128 |
| Arrival time of shock [seconds of day] |
38977.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-6.581 |
| Y GSE location of spacecraft [Re] |
225.258 |
| Z GSE location of spacecraft [Re] |
-15.730 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0304 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0210 |
| Minimum chisq/dof for RH8,RH9,RH10 |
11.10, 17.35, 18.84 |
Event added to database
|
Mon Feb 14 11:12:10 2005
|
Event last processed
|
Mon Mar 30 20:26:08 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.886 ± 0.732
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-413.2 ± 3.1 |
-555.8 ± 10.3 |
| Vy GSE [km/s] |
22.0 ± 9.5 |
30.9 ± 4.1 |
| Vz GSE [km/s] |
20.1 ± 6.5 |
-2.6 ± 7.5 |
| Wi [km/s] |
30.7 ± 1.9 |
75.7 ± 11.7 |
| We [km/s] |
969.9 ± 61.3 |
2393.6 ± 370.0 |
| Ni [n/cc] |
2.9 ± 0.5 |
9.2 ± 0.8 |
| Bx GSE [nT] |
3.6 ± 0.3 |
2.5 ± 1.7 |
| By GSE [nT] |
0.5 ± 0.8 |
7.7 ± 1.2 |
| Bz GSE [nT] |
2.8 ± 0.1 |
7.2 ± 0.7 |
Plasma Beta
|
0.264 ± 0.284
|
0.956 ± 0.858
|
Sound Speed [km/s]
|
39.60 ± 2.50
|
97.72 ± 15.11
|
Alfven Speed [km/s]
|
60.23 ± 6.26
|
79.04 ± 2.91
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.873 ± 0.063 |
0.161 ± 0.167 |
-0.460 ± 0.425 |
-27.40 ± 7.02 |
169.54 ± 10.92 |
| VC |
-0.986 ± 0.010 |
0.061 ± 0.064 |
-0.155 ± 0.154 |
-8.94 ± 3.52 |
176.46 ± 3.75 |
| MX1 |
-0.962 ± 0.080 |
0.036 ± 0.082 |
-0.270 ± 0.263 |
-15.64 ± 16.93 |
177.87 ± 4.89 |
| MX2 |
-0.979 ± 0.031 |
-0.005 ± 0.147 |
-0.204 ± 0.201 |
-11.77 ± 8.59 |
180.32 ± 8.61 |
| MX3 |
-0.981 ± 0.025 |
-0.010 ± 0.164 |
-0.195 ± 0.192 |
-11.23 ± 7.19 |
180.59 ± 9.58 |
| RH08 |
-0.991 ± 0.002 |
-0.061 ± 0.016 |
-0.117 ± 0.117 |
-6.74 ± 0.80 |
183.51 ± 0.93 |
| RH09 |
-0.992 ± 0.009 |
-0.061 ± 0.070 |
-0.106 ± 0.106 |
-6.09 ± 4.02 |
183.51 ± 4.03 |
| RH10 |
-0.994 ± 0.008 |
-0.061 ± 0.069 |
-0.095 ± 0.095 |
-5.45 ± 4.02 |
183.51 ± 3.99 |
| Average |
-0.970 |
0.007 |
-0.200 |
-11.658 |
179.413 |
| Median |
-0.981 |
-0.005 |
-0.155 |
-8.943 |
180.588 |
| Deviation |
0.040 |
0.077 |
0.120 |
7.220 |
4.799 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
18.4 ± 9.7 |
556.6 ± 18.1 |
3.19 ± 0.39 |
| VC |
31.0 ± 5.3 |
617.2 ± 18.6 |
3.19 ± 0.39 |
| MX1 |
24.5 ± 5.6 |
603.9 ± 18.6 |
3.19 ± 0.39 |
| MX2 |
27.5 ± 4.4 |
611.5 ± 18.6 |
3.19 ± 0.39 |
| MX3 |
28.0 ± 4.3 |
612.3 ± 18.6 |
3.19 ± 0.39 |
| RH08 |
31.9 ± 3.2 |
615.3 ± 18.5 |
3.19 ± 0.39 |
| RH09 |
32.5 ± 3.2 |
615.8 ± 18.5 |
3.19 ± 0.39 |
| RH10 |
33.1 ± 3.2 |
616.1 ± 18.5 |
3.19 ± 0.39 |
| Average |
28.4 |
606.1 |
3.19 |
| Median |
31.0 |
615.3 |
3.19 |
| Deviation |
5.0 |
20.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
201.6 ± 4.6 |
36.3 ± 2.3 |
57.1 ± 5.9 |
62.3 ± 6.1 |
5.57 ± 0.35 |
3.26 ± 0.29 |
| VC |
211.5 ± 3.4 |
31.5 ± 2.0 |
51.6 ± 5.4 |
64.9 ± 5.9 |
6.74 ± 0.43 |
3.28 ± 0.29 |
| MX1 |
210.9 ± 3.9 |
34.2 ± 2.2 |
54.8 ± 5.7 |
63.5 ± 6.0 |
6.19 ± 0.40 |
3.34 ± 0.30 |
| MX2 |
211.2 ± 3.7 |
32.9 ± 2.1 |
53.4 ± 5.6 |
64.1 ± 6.0 |
6.43 ± 0.42 |
3.31 ± 0.30 |
| MX3 |
211.1 ± 3.7 |
32.8 ± 2.1 |
53.2 ± 5.5 |
64.2 ± 6.0 |
6.47 ± 0.42 |
3.31 ± 0.30 |
| RH8 |
209.4 ± 3.7 |
31.1 ± 2.0 |
51.2 ± 5.3 |
65.1 ± 5.9 |
6.75 ± 0.45 |
3.24 ± 0.30 |
| RH9 |
209.1 ± 3.7 |
30.8 ± 2.0 |
50.8 ± 5.3 |
65.2 ± 5.9 |
6.80 ± 0.45 |
3.23 ± 0.29 |
| RH10 |
208.8 ± 3.6 |
30.6 ± 2.0 |
50.5 ± 5.2 |
65.3 ± 5.9 |
6.85 ± 0.46 |
3.22 ± 0.29 |
| Average |
209.2 |
32.5 |
52.8 |
64.3 |
6.5 |
3.3 |
| Median |
210.9 |
32.8 |
53.2 |
64.9 |
6.7 |
3.3 |
| Deviation |
3.2 |
2.0 |
2.3 |
1.0 |
0.4 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
65.3 ± 10.9 |
69.1 ± 2.0 |
75.0 ± 2.8 |
105.4 ± 11.3 |
0.95 ± 0.16 |
0.63 ± 0.14 |
| VC |
66.9 ± 10.7 |
59.0 ± 2.1 |
67.8 ± 2.5 |
111.4 ± 10.5 |
1.14 ± 0.19 |
0.61 ± 0.12 |
| MX1 |
67.3 ± 10.7 |
64.5 ± 2.1 |
71.9 ± 2.7 |
108.3 ± 10.9 |
1.04 ± 0.17 |
0.63 ± 0.13 |
| MX2 |
67.1 ± 10.6 |
62.0 ± 2.1 |
70.1 ± 2.6 |
109.8 ± 10.7 |
1.08 ± 0.18 |
0.62 ± 0.13 |
| MX3 |
67.0 ± 10.6 |
61.6 ± 2.1 |
69.8 ± 2.6 |
110.0 ± 10.7 |
1.09 ± 0.18 |
0.62 ± 0.13 |
| RH8 |
66.0 ± 10.3 |
58.3 ± 2.1 |
67.1 ± 2.5 |
111.8 ± 10.5 |
1.13 ± 0.18 |
0.60 ± 0.12 |
| RH9 |
65.8 ± 10.3 |
57.7 ± 2.1 |
66.7 ± 2.5 |
112.1 ± 10.5 |
1.14 ± 0.18 |
0.59 ± 0.12 |
| RH10 |
65.6 ± 10.3 |
57.2 ± 2.1 |
66.2 ± 2.4 |
112.4 ± 10.5 |
1.15 ± 0.18 |
0.59 ± 0.12 |
| Average |
66.4 |
61.2 |
69.3 |
110.2 |
1.1 |
0.6 |
| Median |
66.9 |
61.6 |
69.8 |
111.4 |
1.1 |
0.6 |
| Deviation |
0.8 |
4.1 |
3.0 |
2.4 |
0.1 |
0.0 |
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)
| 
