Database: Wind Shock Analysis
Event ID: 19952451809
Observation time: 09/02/1995 245.75634 1809 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
245.756337 |
| Arrival time of shock [seconds of day] |
65347.5 ± 60.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
103.370 |
| Y GSE location of spacecraft [Re] |
-0.875 |
| Z GSE location of spacecraft [Re] |
-12.360 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0258 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0207 |
| Minimum chisq/dof for RH8,RH9,RH10 |
25.60, 24.00, 24.94 |
Event added to database
|
Mon Feb 14 11:01:15 2005
|
Event last processed
|
Wed Mar 25 13:05:04 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
30.861 ± 1.140
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-292.8 ± 1.4 |
-310.6 ± 0.7 |
| Vy GSE [km/s] |
-8.1 ± 2.2 |
-8.8 ± 1.7 |
| Vz GSE [km/s] |
-21.5 ± 1.1 |
-5.1 ± 2.9 |
| Wi [km/s] |
17.0 ± 0.2 |
18.4 ± 0.7 |
| We [km/s] |
536.8 ± 6.5 |
581.5 ± 22.3 |
| Ni [n/cc] |
11.4 ± 0.6 |
19.3 ± 0.3 |
| Bx GSE [nT] |
-2.3 ± 0.3 |
-0.5 ± 0.3 |
| By GSE [nT] |
5.1 ± 0.2 |
-1.8 ± 0.2 |
| Bz GSE [nT] |
2.1 ± 0.4 |
0.2 ± 0.4 |
Plasma Beta
|
0.192 ± 0.191
|
3.753 ± 3.514
|
Sound Speed [km/s]
|
21.92 ± 0.27
|
23.74 ± 0.91
|
Alfven Speed [km/s]
|
38.84 ± 1.77
|
9.74 ± 1.16
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.769 ± 0.160 |
-0.347 ± 0.138 |
0.536 ± 0.478 |
32.43 ± 17.68 |
204.28 ± 8.94 |
| VC |
-0.741 ± 0.065 |
-0.031 ± 0.106 |
0.671 ± 0.545 |
42.14 ± 5.58 |
182.37 ± 8.17 |
| MX1 |
-0.689 ± 0.063 |
-0.344 ± 0.059 |
0.638 ± 0.533 |
39.63 ± 5.74 |
206.51 ± 4.27 |
| MX2 |
-0.706 ± 0.077 |
-0.344 ± 0.070 |
0.618 ± 0.524 |
38.20 ± 7.36 |
205.99 ± 4.92 |
| MX3 |
-0.694 ± 0.065 |
-0.344 ± 0.061 |
0.633 ± 0.531 |
39.26 ± 5.95 |
206.36 ± 4.38 |
| RH08 |
-0.935 ± 0.012 |
-0.332 ± 0.033 |
-0.128 ± 0.128 |
-7.38 ± 2.00 |
199.55 ± 2.00 |
| RH09 |
-0.693 ± 0.043 |
0.030 ± 0.058 |
-0.721 ± 0.558 |
-46.11 ± 3.43 |
177.49 ± 4.80 |
| RH10 |
-0.693 ± 0.044 |
0.030 ± 0.060 |
-0.721 ± 0.558 |
-46.11 ± 3.49 |
177.49 ± 4.98 |
| Average |
-0.740 |
-0.210 |
0.191 |
11.508 |
195.007 |
| Median |
-0.694 |
-0.332 |
0.618 |
38.202 |
204.284 |
| Deviation |
0.084 |
0.183 |
0.620 |
38.999 |
13.425 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
79.3 ± 1.7 |
273.1 ± 4.9 |
1.67 ± 0.09 |
| VC |
60.5 ± 2.1 |
263.6 ± 5.8 |
1.67 ± 0.09 |
| MX1 |
78.8 ± 2.1 |
247.8 ± 5.2 |
1.67 ± 0.09 |
| MX2 |
78.9 ± 2.0 |
253.2 ± 5.1 |
1.67 ± 0.09 |
| MX3 |
78.8 ± 2.1 |
249.3 ± 5.2 |
1.67 ± 0.09 |
| RH08 |
88.5 ± 2.4 |
315.4 ± 4.1 |
1.67 ± 0.09 |
| RH09 |
88.1 ± 4.6 |
217.2 ± 5.1 |
1.67 ± 0.09 |
| RH10 |
88.1 ± 4.6 |
217.2 ± 5.1 |
1.67 ± 0.09 |
| Average |
80.1 |
254.6 |
1.67 |
| Median |
79.3 |
253.2 |
1.67 |
| Deviation |
9.1 |
31.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
56.6 ± 1.2 |
3.5 ± 0.1 |
7.2 ± 0.3 |
44.5 ± 1.6 |
15.95 ± 0.32 |
1.27 ± 0.05 |
| VC |
60.9 ± 1.7 |
9.6 ± 0.1 |
19.1 ± 0.9 |
43.6 ± 1.6 |
6.34 ± 0.13 |
1.40 ± 0.04 |
| MX1 |
57.0 ± 1.2 |
3.7 ± 0.1 |
7.5 ± 0.3 |
44.4 ± 1.6 |
15.37 ± 0.31 |
1.28 ± 0.05 |
| MX2 |
56.9 ± 1.2 |
3.7 ± 0.1 |
7.5 ± 0.3 |
44.4 ± 1.6 |
15.41 ± 0.31 |
1.28 ± 0.05 |
| MX3 |
57.0 ± 1.2 |
3.7 ± 0.1 |
7.5 ± 0.3 |
44.4 ± 1.6 |
15.39 ± 0.31 |
1.28 ± 0.05 |
| RH8 |
36.4 ± 0.7 |
0.5 ± 0.0 |
1.0 ± 0.0 |
44.6 ± 1.6 |
72.88 ± 1.58 |
0.82 ± 0.03 |
| RH9 |
-0.9 ± 0.4 |
0.6 ± 0.0 |
1.3 ± 0.1 |
44.6 ± 1.6 |
-1.40 ± 0.65 |
-0.02 ± 0.01 |
| RH10 |
-0.9 ± 0.4 |
0.6 ± 0.0 |
1.3 ± 0.1 |
44.6 ± 1.6 |
-1.40 ± 0.65 |
-0.02 ± 0.01 |
| Average |
40.4 |
3.3 |
6.6 |
44.4 |
17.3 |
0.9 |
| Median |
56.9 |
3.7 |
7.5 |
44.5 |
15.4 |
1.3 |
| Deviation |
26.6 |
3.0 |
5.9 |
0.3 |
23.7 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
33.8 ± 1.0 |
1.7 ± 0.2 |
1.8 ± 0.2 |
25.6 ± 0.8 |
20.49 ± 2.56 |
1.32 ± 0.07 |
| VC |
36.7 ± 1.8 |
4.5 ± 0.5 |
4.8 ± 0.6 |
25.3 ± 0.8 |
8.26 ± 1.05 |
1.45 ± 0.11 |
| MX1 |
34.0 ± 1.3 |
1.7 ± 0.2 |
1.9 ± 0.2 |
25.6 ± 0.8 |
19.71 ± 2.44 |
1.33 ± 0.09 |
| MX2 |
33.9 ± 1.2 |
1.7 ± 0.2 |
1.9 ± 0.2 |
25.6 ± 0.8 |
19.75 ± 2.45 |
1.33 ± 0.08 |
| MX3 |
34.1 ± 1.3 |
1.7 ± 0.2 |
1.9 ± 0.2 |
25.6 ± 0.8 |
19.74 ± 2.45 |
1.33 ± 0.08 |
| RH8 |
21.6 ± 1.2 |
0.2 ± 0.0 |
0.3 ± 0.0 |
25.7 ± 0.8 |
93.19 ± 14.38 |
0.84 ± 0.04 |
| RH9 |
-1.4 ± 2.2 |
0.3 ± 0.0 |
0.3 ± 0.0 |
25.7 ± 0.8 |
-4.32 ± 7.38 |
-0.05 ± 0.09 |
| RH10 |
-1.4 ± 2.2 |
0.3 ± 0.0 |
0.3 ± 0.0 |
25.7 ± 0.8 |
-4.32 ± 7.38 |
-0.05 ± 0.09 |
| Average |
23.9 |
1.5 |
1.6 |
25.6 |
21.6 |
0.9 |
| Median |
33.9 |
1.7 |
1.9 |
25.6 |
19.7 |
1.3 |
| Deviation |
16.3 |
1.4 |
1.5 |
0.1 |
30.8 |
0.6 |
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)
| 
