Database: Wind Shock Analysis
Event ID: 20010021303
Observation time: 01/02/2001 2.54380 1303 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
2.543802 |
| Arrival time of shock [seconds of day] |
46984.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
4.170 |
| Y GSE location of spacecraft [Re] |
251.970 |
| Z GSE location of spacecraft [Re] |
-17.453 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0190 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0175 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.06, 5.22, 5.52 |
Event added to database
|
Mon Feb 14 11:11:30 2005
|
Event last processed
|
Mon Mar 30 20:15:55 2009
|
Method selected
|
MX3
|
Propagation delay to Earth [minutes]
|
19.434 ± 10.531
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-269.3 ± 0.2 |
-283.8 ± 0.6 |
| Vy GSE [km/s] |
-5.6 ± 1.0 |
-17.7 ± 0.7 |
| Vz GSE [km/s] |
-6.8 ± 1.6 |
8.6 ± 1.3 |
| Wi [km/s] |
28.1 ± 0.3 |
30.3 ± 0.8 |
| We [km/s] |
889.7 ± 8.8 |
957.5 ± 26.0 |
| Ni [n/cc] |
9.5 ± 0.3 |
11.3 ± 0.6 |
| Bx GSE [nT] |
-1.2 ± 0.1 |
-1.8 ± 0.2 |
| By GSE [nT] |
-1.2 ± 1.0 |
4.5 ± 0.6 |
| Bz GSE [nT] |
2.9 ± 0.6 |
4.0 ± 0.4 |
Plasma Beta
|
1.262 ± 1.286
|
0.551 ± 0.553
|
Sound Speed [km/s]
|
36.32 ± 0.36
|
39.09 ± 1.06
|
Alfven Speed [km/s]
|
25.09 ± 1.08
|
40.88 ± 1.38
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.374 ± 0.079 |
-0.202 ± 0.083 |
0.905 ± 0.481 |
64.85 ± 4.88 |
208.35 ± 11.49 |
| VC |
-0.596 ± 0.038 |
-0.497 ± 0.038 |
0.631 ± 0.530 |
39.11 ± 3.43 |
219.82 ± 2.77 |
| MX1 |
-0.852 ± 0.414 |
-0.256 ± 0.433 |
0.456 ± 0.421 |
27.13 ± 51.74 |
196.70 ± 28.00 |
| MX2 |
-0.620 ± 0.051 |
-0.203 ± 0.078 |
0.758 ± 0.561 |
49.29 ± 3.58 |
198.15 ± 7.07 |
| MX3 |
-0.664 ± 0.044 |
-0.203 ± 0.080 |
0.720 ± 0.558 |
46.06 ± 3.08 |
196.99 ± 6.80 |
| RH08 |
-0.752 ± 0.008 |
0.086 ± 0.011 |
-0.654 ± 0.539 |
-40.82 ± 0.69 |
173.48 ± 0.82 |
| RH09 |
-0.752 ± 0.038 |
0.086 ± 0.046 |
-0.654 ± 0.539 |
-40.82 ± 3.35 |
173.48 ± 3.47 |
| RH10 |
-0.752 ± 0.039 |
0.086 ± 0.049 |
-0.654 ± 0.539 |
-40.82 ± 3.44 |
173.48 ± 3.73 |
| Average |
-0.670 |
-0.138 |
0.189 |
12.999 |
192.556 |
| Median |
-0.664 |
-0.202 |
0.631 |
39.112 |
196.988 |
| Deviation |
0.146 |
0.209 |
0.709 |
45.776 |
17.535 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
16.9 ± 12.1 |
242.2 ± 82.8 |
1.18 ± 0.04 |
| VC |
25.5 ± 9.2 |
327.0 ± 90.6 |
1.18 ± 0.04 |
| MX1 |
41.4 ± 3.6 |
384.4 ± 83.7 |
1.18 ± 0.04 |
| MX2 |
25.0 ± 7.1 |
322.7 ± 87.2 |
1.18 ± 0.04 |
| MX3 |
27.3 ± 6.2 |
335.9 ± 87.2 |
1.18 ± 0.04 |
| RH08 |
71.4 ± 4.9 |
205.1 ± 7.2 |
1.18 ± 0.04 |
| RH09 |
71.4 ± 4.9 |
205.1 ± 7.2 |
1.18 ± 0.04 |
| RH10 |
71.4 ± 4.9 |
205.1 ± 7.2 |
1.18 ± 0.04 |
| Average |
43.8 |
278.4 |
1.18 |
| Median |
41.4 |
322.7 |
1.18 |
| Deviation |
23.9 |
72.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
146.5 ± 1.5 |
23.2 ± 0.9 |
24.0 ± 1.0 |
37.5 ± 0.5 |
6.32 ± 0.25 |
3.90 ± 0.07 |
| VC |
168.0 ± 1.2 |
21.2 ± 0.8 |
22.6 ± 1.0 |
38.7 ± 0.6 |
7.92 ± 0.30 |
4.34 ± 0.08 |
| MX1 |
156.5 ± 0.9 |
16.7 ± 0.6 |
18.8 ± 0.8 |
40.9 ± 0.7 |
9.37 ± 0.32 |
3.83 ± 0.07 |
| MX2 |
159.8 ± 1.3 |
21.4 ± 0.8 |
22.7 ± 1.0 |
38.6 ± 0.6 |
7.48 ± 0.28 |
4.14 ± 0.07 |
| MX3 |
161.0 ± 1.3 |
20.8 ± 0.7 |
22.3 ± 1.0 |
39.0 ± 0.6 |
7.75 ± 0.28 |
4.13 ± 0.07 |
| RH8 |
-1.4 ± 0.9 |
6.6 ± 0.2 |
8.0 ± 0.3 |
43.7 ± 0.8 |
-0.22 ± 0.14 |
-0.03 ± 0.02 |
| RH9 |
-1.4 ± 0.9 |
6.6 ± 0.2 |
8.0 ± 0.3 |
43.7 ± 0.8 |
-0.22 ± 0.14 |
-0.03 ± 0.02 |
| RH10 |
-1.4 ± 0.9 |
6.6 ± 0.2 |
8.0 ± 0.3 |
43.7 ± 0.8 |
-0.22 ± 0.14 |
-0.03 ± 0.02 |
| Average |
98.4 |
15.4 |
16.8 |
40.7 |
4.8 |
2.5 |
| Median |
156.5 |
20.8 |
22.3 |
40.9 |
7.5 |
3.9 |
| Deviation |
82.9 |
7.5 |
7.5 |
2.6 |
4.2 |
2.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
124.7 ± 1.4 |
33.6 ± 0.5 |
39.1 ± 1.3 |
45.6 ± 0.8 |
3.72 ± 0.09 |
2.74 ± 0.07 |
| VC |
143.7 ± 1.2 |
30.1 ± 0.5 |
36.9 ± 1.2 |
47.9 ± 0.8 |
4.78 ± 0.10 |
3.00 ± 0.06 |
| MX1 |
134.1 ± 1.1 |
23.2 ± 0.4 |
30.7 ± 1.0 |
51.6 ± 0.9 |
5.77 ± 0.12 |
2.60 ± 0.05 |
| MX2 |
136.7 ± 1.3 |
30.3 ± 0.5 |
37.1 ± 1.3 |
47.8 ± 0.8 |
4.51 ± 0.10 |
2.86 ± 0.06 |
| MX3 |
137.8 ± 1.3 |
29.3 ± 0.4 |
36.3 ± 1.2 |
48.4 ± 0.8 |
4.70 ± 0.10 |
2.85 ± 0.06 |
| RH8 |
-1.2 ± 0.6 |
9.1 ± 0.1 |
13.0 ± 0.4 |
55.8 ± 0.9 |
-0.13 ± 0.07 |
-0.02 ± 0.01 |
| RH9 |
-1.2 ± 0.6 |
9.1 ± 0.1 |
13.0 ± 0.4 |
55.8 ± 0.9 |
-0.13 ± 0.07 |
-0.02 ± 0.01 |
| RH10 |
-1.2 ± 0.6 |
9.1 ± 0.1 |
13.0 ± 0.4 |
55.8 ± 0.9 |
-0.13 ± 0.07 |
-0.02 ± 0.01 |
| Average |
84.2 |
21.7 |
27.4 |
51.1 |
2.9 |
1.7 |
| Median |
134.1 |
29.3 |
36.3 |
51.6 |
4.5 |
2.7 |
| Deviation |
70.9 |
10.8 |
12.1 |
4.3 |
2.6 |
1.5 |
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)
| 
