Database: Wind Shock Analysis
Event ID: 20011180500
Observation time: 04/28/2001 118.20852 0500 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
118.208524 |
| Arrival time of shock [seconds of day] |
18016.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
9.130 |
| Y GSE location of spacecraft [Re] |
-249.722 |
| Z GSE location of spacecraft [Re] |
-5.719 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0282 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0266 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.02, 26.75, 29.86 |
Event added to database
|
Mon Feb 14 11:13:41 2005
|
Event last processed
|
Mon Mar 30 20:57:27 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-1.648 ± 0.483
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-445.4 ± 6.4 |
-748.1 ± 33.9 |
| Vy GSE [km/s] |
-43.5 ± 7.2 |
-94.8 ± 31.1 |
| Vz GSE [km/s] |
-27.8 ± 13.7 |
-22.0 ± 38.7 |
| Wi [km/s] |
38.1 ± 8.2 |
77.6 ± 20.0 |
| We [km/s] |
1206.4 ± 257.8 |
2453.1 ± 632.4 |
| Ni [n/cc] |
2.4 ± 0.5 |
6.8 ± 1.8 |
| Bx GSE [nT] |
-4.2 ± 0.6 |
-3.7 ± 4.4 |
| By GSE [nT] |
4.3 ± 1.0 |
16.7 ± 2.4 |
| Bz GSE [nT] |
1.5 ± 0.7 |
-7.6 ± 5.8 |
Plasma Beta
|
0.207 ± 0.171
|
0.232 ± 0.221
|
Sound Speed [km/s]
|
49.25 ± 10.53
|
100.15 ± 25.82
|
Alfven Speed [km/s]
|
90.79 ± 11.59
|
170.34 ± 19.29
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.817 ± 0.191 |
0.373 ± 0.329 |
0.441 ± 0.410 |
26.16 ± 17.32 |
155.48 ± 22.73 |
| VC |
-0.985 ± 0.020 |
-0.174 ± 0.115 |
0.008 ± 0.008 |
0.47 ± 7.68 |
190.02 ± 6.66 |
| MX1 |
-0.992 ± 0.059 |
0.105 ± 0.535 |
0.077 ± 0.077 |
4.42 ± 13.57 |
173.97 ± 30.92 |
| MX2 |
-0.995 ± 0.017 |
-0.041 ± 0.239 |
-0.088 ± 0.088 |
-5.06 ± 9.44 |
182.33 ± 13.77 |
| MX3 |
-0.992 ± 0.024 |
-0.067 ± 0.206 |
-0.109 ± 0.109 |
-6.28 ± 10.05 |
183.89 ± 11.88 |
| RH08 |
-0.995 ± 0.001 |
-0.096 ± 0.010 |
0.039 ± 0.039 |
2.24 ± 0.67 |
185.52 ± 0.55 |
| RH09 |
-0.997 ± 0.005 |
-0.061 ± 0.068 |
0.039 ± 0.039 |
2.24 ± 4.06 |
183.51 ± 3.91 |
| RH10 |
-0.999 ± 0.003 |
-0.026 ± 0.068 |
0.039 ± 0.039 |
2.24 ± 4.06 |
181.50 ± 3.91 |
| Average |
-0.971 |
0.001 |
0.056 |
3.304 |
179.528 |
| Median |
-0.992 |
-0.041 |
0.039 |
2.241 |
183.510 |
| Deviation |
0.063 |
0.169 |
0.169 |
9.977 |
10.703 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
23.6 ± 9.8 |
707.2 ± 83.0 |
3.10 ± 1.36 |
| VC |
56.9 ± 7.9 |
931.8 ± 181.9 |
3.10 ± 1.36 |
| MX1 |
40.7 ± 7.6 |
903.2 ± 153.9 |
3.10 ± 1.36 |
| MX2 |
51.6 ± 7.1 |
930.1 ± 179.7 |
3.10 ± 1.36 |
| MX3 |
53.5 ± 7.1 |
930.1 ± 183.1 |
3.10 ± 1.36 |
| RH08 |
52.1 ± 7.9 |
932.8 ± 174.4 |
3.10 ± 1.36 |
| RH09 |
50.2 ± 7.8 |
931.0 ± 171.8 |
3.10 ± 1.36 |
| RH10 |
48.4 ± 7.7 |
929.7 ± 169.1 |
3.10 ± 1.36 |
| Average |
47.1 |
899.5 |
3.10 |
| Median |
51.6 |
930.1 |
3.10 |
| Deviation |
10.6 |
78.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
372.0 ± 7.9 |
43.1 ± 8.0 |
83.2 ± 10.6 |
94.3 ± 9.5 |
8.96 ± 2.09 |
3.97 ± 0.32 |
| VC |
485.8 ± 7.1 |
23.8 ± 3.7 |
49.6 ± 6.3 |
101.3 ± 7.0 |
20.99 ± 4.02 |
4.81 ± 0.29 |
| MX1 |
468.2 ± 6.5 |
34.1 ± 5.7 |
68.8 ± 8.8 |
98.2 ± 8.0 |
14.15 ± 2.89 |
4.79 ± 0.33 |
| MX2 |
482.5 ± 6.1 |
27.3 ± 4.3 |
56.4 ± 7.2 |
100.4 ± 7.3 |
18.19 ± 3.49 |
4.83 ± 0.31 |
| MX3 |
482.4 ± 6.1 |
26.0 ± 4.1 |
54.0 ± 6.9 |
100.7 ± 7.2 |
19.04 ± 3.62 |
4.81 ± 0.31 |
| RH8 |
486.7 ± 7.0 |
26.9 ± 4.3 |
55.8 ± 7.1 |
100.5 ± 7.3 |
18.57 ± 3.62 |
4.86 ± 0.30 |
| RH9 |
485.2 ± 6.9 |
28.2 ± 4.5 |
58.1 ± 7.4 |
100.1 ± 7.4 |
17.71 ± 3.47 |
4.87 ± 0.31 |
| RH10 |
484.7 ± 6.8 |
29.4 ± 4.7 |
60.3 ± 7.7 |
99.8 ± 7.5 |
16.97 ± 3.35 |
4.88 ± 0.31 |
| Average |
468.5 |
29.8 |
60.8 |
99.4 |
16.8 |
4.7 |
| Median |
484.7 |
28.2 |
58.1 |
100.4 |
18.2 |
4.8 |
| Deviation |
39.4 |
6.1 |
10.6 |
2.3 |
3.7 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
141.4 ± 51.1 |
86.9 ± 19.3 |
156.1 ± 17.7 |
178.3 ± 17.5 |
1.66 ± 0.57 |
0.78 ± 0.21 |
| VC |
178.8 ± 30.4 |
47.6 ± 9.0 |
93.1 ± 10.5 |
193.2 ± 18.1 |
3.86 ± 0.81 |
0.92 ± 0.11 |
| MX1 |
173.0 ± 38.5 |
68.4 ± 13.8 |
129.1 ± 14.6 |
186.7 ± 17.5 |
2.59 ± 0.62 |
0.92 ± 0.13 |
| MX2 |
179.7 ± 29.8 |
54.6 ± 10.5 |
105.7 ± 12.0 |
191.3 ± 17.9 |
3.38 ± 0.70 |
0.94 ± 0.09 |
| MX3 |
179.4 ± 28.4 |
52.1 ± 10.0 |
101.3 ± 11.5 |
192.0 ± 18.0 |
3.53 ± 0.72 |
0.93 ± 0.09 |
| RH8 |
180.5 ± 33.2 |
53.9 ± 10.4 |
104.6 ± 11.8 |
191.5 ± 17.9 |
3.43 ± 0.74 |
0.94 ± 0.11 |
| RH9 |
180.0 ± 34.0 |
56.4 ± 10.9 |
109.0 ± 12.3 |
190.8 ± 17.8 |
3.27 ± 0.71 |
0.94 ± 0.12 |
| RH10 |
180.8 ± 34.7 |
58.9 ± 11.5 |
113.2 ± 12.8 |
190.0 ± 17.8 |
3.15 ± 0.69 |
0.95 ± 0.12 |
| Average |
174.2 |
59.9 |
114.0 |
189.2 |
3.1 |
0.9 |
| Median |
179.7 |
56.4 |
109.0 |
191.3 |
3.4 |
0.9 |
| Deviation |
13.5 |
12.5 |
19.9 |
4.8 |
0.7 |
0.1 |
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)
| 
