Database: Wind Shock Analysis
Event ID: 20012560231
Observation time: 09/13/2001 256.10519 0231 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
256.105191 |
| Arrival time of shock [seconds of day] |
9088.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
20.662 |
| Y GSE location of spacecraft [Re] |
-35.837 |
| Z GSE location of spacecraft [Re] |
1.127 |
| 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 |
0165 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.47, 9.34, 9.91 |
Event added to database
|
Mon Feb 14 11:15:21 2005
|
Event last processed
|
Mon Mar 30 21:36:35 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
5.754 ± 0.514
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-361.0 ± 3.8 |
-395.1 ± 3.9 |
| Vy GSE [km/s] |
-14.0 ± 3.0 |
-26.0 ± 1.0 |
| Vz GSE [km/s] |
-24.4 ± 12.0 |
-34.6 ± 12.5 |
| Wi [km/s] |
40.5 ± 3.5 |
44.4 ± 2.5 |
| We [km/s] |
1279.5 ± 110.6 |
1404.4 ± 77.9 |
| Ni [n/cc] |
6.7 ± 0.8 |
10.2 ± 0.6 |
| Bx GSE [nT] |
-1.8 ± 1.2 |
-1.0 ± 0.9 |
| By GSE [nT] |
8.2 ± 0.3 |
12.0 ± 0.4 |
| Bz GSE [nT] |
0.2 ± 2.4 |
-0.7 ± 2.2 |
Plasma Beta
|
0.307 ± 0.327
|
0.282 ± 0.250
|
Sound Speed [km/s]
|
52.24 ± 4.52
|
57.34 ± 3.18
|
Alfven Speed [km/s]
|
74.01 ± 4.45
|
84.17 ± 3.66
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.978 ± 0.143 |
0.044 ± 1.113 |
-0.202 ± 0.200 |
-11.68 ± 37.90 |
177.44 ± 65.18 |
| VC |
-0.920 ± 0.080 |
-0.330 ± 0.090 |
-0.212 ± 0.209 |
-12.26 ± 21.20 |
199.76 ± 5.38 |
| MX1 |
-0.906 ± 0.171 |
0.402 ± 0.372 |
-0.131 ± 0.130 |
-7.51 ± 21.08 |
156.05 ± 23.49 |
| MX2 |
-0.944 ± 0.109 |
0.265 ± 0.339 |
-0.198 ± 0.195 |
-11.41 ± 16.27 |
164.34 ± 20.59 |
| MX3 |
-0.958 ± 0.084 |
0.146 ± 0.346 |
-0.246 ± 0.241 |
-14.25 ± 15.32 |
171.33 ± 20.67 |
| RH08 |
-0.992 ± 0.005 |
0.113 ± 0.037 |
-0.061 ± 0.061 |
-3.52 ± 2.54 |
173.48 ± 2.12 |
| RH09 |
-0.989 ± 0.010 |
0.148 ± 0.068 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
171.48 ± 3.94 |
| RH10 |
-0.989 ± 0.010 |
0.148 ± 0.067 |
-0.028 ± 0.028 |
-1.60 ± 4.06 |
171.48 ± 3.91 |
| Average |
-0.959 |
0.117 |
-0.136 |
-7.818 |
173.170 |
| Median |
-0.958 |
0.148 |
-0.131 |
-7.508 |
171.476 |
| Deviation |
0.033 |
0.211 |
0.093 |
5.376 |
12.567 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
76.3 ± 10.3 |
460.7 ± 35.3 |
1.54 ± 0.22 |
| VC |
82.4 ± 9.9 |
452.8 ± 34.9 |
1.54 ± 0.22 |
| MX1 |
55.7 ± 10.2 |
405.3 ± 30.7 |
1.54 ± 0.22 |
| MX2 |
63.9 ± 10.6 |
433.7 ± 33.5 |
1.54 ± 0.22 |
| MX3 |
70.8 ± 10.9 |
449.1 ± 35.2 |
1.54 ± 0.22 |
| RH08 |
72.1 ± 9.0 |
454.5 ± 33.4 |
1.54 ± 0.22 |
| RH09 |
70.1 ± 8.5 |
448.1 ± 32.5 |
1.54 ± 0.22 |
| RH10 |
70.1 ± 8.7 |
449.3 ± 32.7 |
1.54 ± 0.22 |
| Average |
70.2 |
444.2 |
1.54 |
| Median |
70.8 |
449.3 |
1.54 |
| Deviation |
7.9 |
17.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
103.2 ± 4.9 |
10.1 ± 0.5 |
17.5 ± 1.0 |
90.2 ± 2.2 |
10.26 ± 0.82 |
1.14 ± 0.06 |
| VC |
111.0 ± 5.0 |
5.6 ± 0.3 |
9.7 ± 0.6 |
90.6 ± 2.2 |
19.91 ± 1.58 |
1.23 ± 0.06 |
| MX1 |
80.6 ± 4.2 |
24.9 ± 1.3 |
41.7 ± 2.5 |
87.3 ± 2.3 |
3.25 ± 0.27 |
0.92 ± 0.06 |
| MX2 |
91.8 ± 4.7 |
19.1 ± 0.9 |
32.5 ± 2.0 |
88.7 ± 2.3 |
4.83 ± 0.40 |
1.04 ± 0.06 |
| MX3 |
99.3 ± 5.2 |
14.1 ± 0.7 |
24.3 ± 1.5 |
89.6 ± 2.2 |
7.05 ± 0.60 |
1.11 ± 0.06 |
| RH8 |
96.6 ± 4.0 |
13.2 ± 0.6 |
22.8 ± 1.4 |
89.8 ± 2.2 |
7.34 ± 0.54 |
1.08 ± 0.05 |
| RH9 |
93.0 ± 3.8 |
14.7 ± 0.7 |
25.2 ± 1.5 |
89.6 ± 2.2 |
6.35 ± 0.45 |
1.04 ± 0.05 |
| RH10 |
93.8 ± 3.9 |
14.6 ± 0.7 |
25.2 ± 1.5 |
89.6 ± 2.2 |
6.42 ± 0.46 |
1.05 ± 0.05 |
| Average |
96.2 |
14.5 |
24.9 |
89.4 |
8.2 |
1.1 |
| Median |
96.6 |
14.6 |
25.2 |
89.6 |
7.1 |
1.1 |
| Deviation |
8.9 |
5.7 |
9.5 |
1.0 |
5.2 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
68.3 ± 6.2 |
11.2 ± 0.3 |
19.9 ± 0.9 |
101.3 ± 2.2 |
6.09 ± 0.61 |
0.67 ± 0.06 |
| VC |
73.5 ± 5.7 |
6.2 ± 0.2 |
11.1 ± 0.5 |
101.7 ± 2.2 |
11.81 ± 1.03 |
0.72 ± 0.05 |
| MX1 |
53.2 ± 5.4 |
27.7 ± 0.9 |
47.5 ± 2.1 |
98.1 ± 2.3 |
1.92 ± 0.22 |
0.54 ± 0.05 |
| MX2 |
60.8 ± 6.2 |
21.2 ± 0.7 |
37.0 ± 1.6 |
99.7 ± 2.2 |
2.86 ± 0.32 |
0.61 ± 0.06 |
| MX3 |
65.8 ± 6.8 |
15.7 ± 0.5 |
27.7 ± 1.2 |
100.7 ± 2.2 |
4.19 ± 0.47 |
0.65 ± 0.06 |
| RH8 |
63.5 ± 4.6 |
14.7 ± 0.4 |
25.9 ± 1.1 |
100.8 ± 2.2 |
4.33 ± 0.36 |
0.63 ± 0.04 |
| RH9 |
61.0 ± 4.0 |
16.3 ± 0.5 |
28.7 ± 1.2 |
100.6 ± 2.2 |
3.74 ± 0.29 |
0.61 ± 0.03 |
| RH10 |
61.6 ± 4.3 |
16.3 ± 0.5 |
28.7 ± 1.2 |
100.6 ± 2.2 |
3.78 ± 0.31 |
0.61 ± 0.04 |
| Average |
63.4 |
16.2 |
28.3 |
100.4 |
4.8 |
0.6 |
| Median |
63.5 |
16.3 |
28.7 |
100.7 |
4.2 |
0.6 |
| Deviation |
6.0 |
6.4 |
10.8 |
1.1 |
3.1 |
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)
| 
