Database: Wind Shock Analysis
Event ID: 19971061221
Observation time: 04/16/1997 106.51488 1221 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
106.514878 |
| Arrival time of shock [seconds of day] |
44485.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
226.912 |
| Y GSE location of spacecraft [Re] |
5.012 |
| Z GSE location of spacecraft [Re] |
23.338 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0242 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0216 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.76, 14.29, 14.66 |
Event added to database
|
Mon Feb 14 11:04:26 2005
|
Event last processed
|
Mon Mar 30 16:50:18 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
56.494 ± 0.819
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-355.7 ± 1.5 |
-375.6 ± 1.0 |
| Vy GSE [km/s] |
-0.4 ± 0.6 |
-10.1 ± 0.8 |
| Vz GSE [km/s] |
8.7 ± 1.0 |
11.7 ± 0.8 |
| Wi [km/s] |
25.7 ± 1.0 |
29.7 ± 0.6 |
| We [km/s] |
812.3 ± 30.0 |
938.0 ± 18.1 |
| Ni [n/cc] |
19.1 ± 1.0 |
30.4 ± 0.4 |
| Bx GSE [nT] |
-2.4 ± 0.3 |
-3.2 ± 0.3 |
| By GSE [nT] |
0.2 ± 0.5 |
1.8 ± 0.5 |
| Bz GSE [nT] |
-4.7 ± 0.2 |
-7.3 ± 0.2 |
Plasma Beta
|
0.930 ± 0.946
|
0.838 ± 0.828
|
Sound Speed [km/s]
|
33.16 ± 1.23
|
38.30 ± 0.74
|
Alfven Speed [km/s]
|
26.65 ± 0.76
|
32.41 ± 0.70
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.668 ± 0.407 |
-0.685 ± 0.397 |
-0.290 ± 0.281 |
-16.84 ± 17.93 |
225.72 ± 33.60 |
| VC |
-0.891 ± 0.024 |
-0.434 ± 0.048 |
0.136 ± 0.135 |
7.83 ± 3.00 |
205.99 ± 3.08 |
| MX1 |
-0.910 ± 0.024 |
-0.416 ± 0.052 |
0.002 ± 0.002 |
0.14 ± 8.39 |
204.55 ± 3.26 |
| MX2 |
-0.918 ± 0.026 |
-0.397 ± 0.059 |
0.020 ± 0.020 |
1.15 ± 7.10 |
203.41 ± 3.69 |
| MX3 |
-0.926 ± 0.032 |
-0.375 ± 0.080 |
0.041 ± 0.041 |
2.33 ± 5.80 |
202.04 ± 4.92 |
| RH08 |
-0.962 ± 0.004 |
-0.267 ± 0.014 |
0.061 ± 0.061 |
3.52 ± 0.54 |
195.54 ± 0.84 |
| RH09 |
-0.994 ± 0.007 |
-0.078 ± 0.060 |
0.073 ± 0.072 |
4.16 ± 4.11 |
184.51 ± 3.46 |
| RH10 |
-0.994 ± 0.007 |
-0.078 ± 0.063 |
0.073 ± 0.072 |
4.16 ± 4.07 |
184.51 ± 3.65 |
| Average |
-0.908 |
-0.341 |
0.015 |
0.808 |
200.784 |
| Median |
-0.918 |
-0.375 |
0.061 |
3.523 |
203.409 |
| Deviation |
0.104 |
0.200 |
0.129 |
7.498 |
13.247 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
57.1 ± 5.8 |
286.2 ± 4.2 |
1.61 ± 0.07 |
| VC |
74.0 ± 4.6 |
378.1 ± 4.0 |
1.61 ± 0.07 |
| MX1 |
66.2 ± 4.6 |
382.9 ± 4.2 |
1.61 ± 0.07 |
| MX2 |
66.9 ± 4.5 |
386.0 ± 4.1 |
1.61 ± 0.07 |
| MX3 |
67.8 ± 4.5 |
389.3 ± 4.1 |
1.61 ± 0.07 |
| RH08 |
67.7 ± 4.0 |
401.3 ± 4.0 |
1.61 ± 0.07 |
| RH09 |
67.1 ± 3.3 |
409.8 ± 3.8 |
1.61 ± 0.07 |
| RH10 |
67.1 ± 3.3 |
409.8 ± 3.8 |
1.61 ± 0.07 |
| Average |
66.7 |
380.4 |
1.61 |
| Median |
67.1 |
389.3 |
1.61 |
| Deviation |
4.6 |
39.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
50.8 ± 0.9 |
11.8 ± 0.4 |
14.5 ± 0.4 |
40.9 ± 1.3 |
4.32 ± 0.13 |
1.24 ± 0.04 |
| VC |
60.1 ± 1.4 |
5.8 ± 0.2 |
7.3 ± 0.2 |
42.2 ± 1.4 |
10.41 ± 0.34 |
1.43 ± 0.05 |
| MX1 |
59.3 ± 1.4 |
8.5 ± 0.3 |
10.7 ± 0.3 |
41.7 ± 1.3 |
6.94 ± 0.23 |
1.42 ± 0.05 |
| MX2 |
59.4 ± 1.4 |
8.3 ± 0.2 |
10.4 ± 0.3 |
41.7 ± 1.3 |
7.17 ± 0.24 |
1.42 ± 0.05 |
| MX3 |
59.4 ± 1.4 |
8.0 ± 0.2 |
10.1 ± 0.3 |
41.8 ± 1.3 |
7.44 ± 0.25 |
1.42 ± 0.05 |
| RH8 |
58.7 ± 1.5 |
8.0 ± 0.2 |
10.1 ± 0.3 |
41.8 ± 1.3 |
7.33 ± 0.26 |
1.41 ± 0.05 |
| RH9 |
55.5 ± 1.6 |
8.2 ± 0.2 |
10.4 ± 0.3 |
41.7 ± 1.3 |
6.74 ± 0.25 |
1.33 ± 0.05 |
| RH10 |
55.5 ± 1.6 |
8.2 ± 0.2 |
10.4 ± 0.3 |
41.7 ± 1.3 |
6.74 ± 0.25 |
1.33 ± 0.05 |
| Average |
57.3 |
8.4 |
10.5 |
41.7 |
7.1 |
1.4 |
| Median |
59.3 |
8.2 |
10.4 |
41.7 |
7.2 |
1.4 |
| Deviation |
3.2 |
1.6 |
1.9 |
0.4 |
1.7 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
31.7 ± 1.0 |
14.0 ± 0.3 |
17.6 ± 0.4 |
48.2 ± 0.9 |
2.26 ± 0.09 |
0.66 ± 0.03 |
| VC |
37.7 ± 0.9 |
6.9 ± 0.1 |
8.9 ± 0.2 |
49.7 ± 1.0 |
5.48 ± 0.19 |
0.76 ± 0.03 |
| MX1 |
37.1 ± 1.0 |
10.2 ± 0.2 |
13.1 ± 0.3 |
49.1 ± 1.0 |
3.64 ± 0.13 |
0.76 ± 0.03 |
| MX2 |
37.2 ± 1.0 |
9.9 ± 0.2 |
12.7 ± 0.3 |
49.2 ± 1.0 |
3.76 ± 0.13 |
0.76 ± 0.03 |
| MX3 |
37.2 ± 1.0 |
9.5 ± 0.2 |
12.2 ± 0.3 |
49.3 ± 1.0 |
3.91 ± 0.14 |
0.76 ± 0.03 |
| RH8 |
36.7 ± 1.0 |
9.5 ± 0.2 |
12.3 ± 0.3 |
49.3 ± 1.0 |
3.85 ± 0.14 |
0.75 ± 0.03 |
| RH9 |
34.7 ± 1.0 |
9.8 ± 0.2 |
12.6 ± 0.3 |
49.2 ± 1.0 |
3.53 ± 0.13 |
0.70 ± 0.03 |
| RH10 |
34.7 ± 1.0 |
9.8 ± 0.2 |
12.6 ± 0.3 |
49.2 ± 1.0 |
3.53 ± 0.13 |
0.70 ± 0.03 |
| Average |
35.9 |
10.0 |
12.8 |
49.1 |
3.7 |
0.7 |
| Median |
37.1 |
9.8 |
12.6 |
49.2 |
3.8 |
0.8 |
| Deviation |
2.0 |
1.9 |
2.4 |
0.4 |
0.9 |
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)
| 
