Database: Wind Shock Analysis
Event ID: 19952362211
Observation time: 08/24/1995 236.92436 2211 [UT]
|
![Wind spacecraft](../windsm.gif)
|
General
Information (About, Top)
Year |
1995 |
Fractional day of year |
236.924358 |
Arrival time of shock [seconds of day] |
79864.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
63.490 |
Y GSE location of spacecraft [Re] |
-32.633 |
Z GSE location of spacecraft [Re] |
-4.659 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0222 |
Downstream plasma points selected for analysis |
0006
|
Downstream field points selected for analysis |
0196 |
Minimum chisq/dof for RH8,RH9,RH10 |
11.11, 17.12, 17.82 |
Event added to database
|
Mon Feb 14 11:01:12 2005
|
Event last processed
|
Wed Mar 25 13:03:17 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
16.100 ± 1.228
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-317.4 ± 0.9 |
-341.8 ± 1.1 |
Vy GSE [km/s] |
-0.3 ± 2.2 |
-3.5 ± 1.4 |
Vz GSE [km/s] |
4.6 ± 2.4 |
-12.2 ± 1.6 |
Wi [km/s] |
18.6 ± 0.2 |
22.5 ± 1.1 |
We [km/s] |
588.8 ± 6.3 |
711.8 ± 35.9 |
Ni [n/cc] |
20.4 ± 0.8 |
31.6 ± 2.4 |
Bx GSE [nT] |
-2.1 ± 0.2 |
-2.7 ± 0.4 |
By GSE [nT] |
-5.9 ± 0.4 |
-10.1 ± 0.9 |
Bz GSE [nT] |
2.1 ± 0.9 |
3.8 ± 0.7 |
Plasma Beta
|
0.337 ± 0.338
|
0.275 ± 0.282
|
Sound Speed [km/s]
|
24.04 ± 0.26
|
29.06 ± 1.47
|
Alfven Speed [km/s]
|
32.14 ± 1.30
|
43.53 ± 3.34
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.940 ± 0.210 |
-0.327 ± 0.566 |
-0.096 ± 0.095 |
-5.49 ± 45.35 |
199.20 ± 34.49 |
VC |
-0.821 ± 0.047 |
-0.109 ± 0.082 |
-0.561 ± 0.493 |
-34.10 ± 4.71 |
187.56 ± 5.71 |
MX1 |
-0.812 ± 0.077 |
-0.106 ± 0.085 |
-0.573 ± 0.500 |
-34.99 ± 7.65 |
187.43 ± 5.96 |
MX2 |
-0.824 ± 0.069 |
-0.098 ± 0.078 |
-0.558 ± 0.491 |
-33.92 ± 7.03 |
186.76 ± 5.41 |
MX3 |
-0.837 ± 0.062 |
-0.088 ± 0.076 |
-0.539 ± 0.480 |
-32.64 ± 6.53 |
186.01 ± 5.18 |
RH08 |
-0.972 ± 0.004 |
-0.043 ± 0.018 |
-0.229 ± 0.225 |
-13.24 ± 0.95 |
182.51 ± 1.04 |
RH09 |
-0.985 ± 0.012 |
0.148 ± 0.069 |
0.084 ± 0.084 |
4.81 ± 4.02 |
171.48 ± 3.99 |
RH10 |
-0.990 ± 0.010 |
0.131 ± 0.068 |
0.061 ± 0.061 |
3.52 ± 4.03 |
172.48 ± 3.95 |
Average |
-0.898 |
-0.062 |
-0.301 |
-18.256 |
184.176 |
Median |
-0.837 |
-0.088 |
-0.229 |
-13.241 |
186.758 |
Deviation |
0.081 |
0.150 |
0.291 |
17.637 |
8.932 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
55.7 ± 1.9 |
372.8 ± 12.6 |
1.54 ± 0.09 |
VC |
79.2 ± 4.1 |
343.6 ± 14.6 |
1.54 ± 0.09 |
MX1 |
79.7 ± 4.2 |
340.8 ± 14.6 |
1.54 ± 0.09 |
MX2 |
79.7 ± 4.1 |
344.5 ± 14.5 |
1.54 ± 0.09 |
MX3 |
79.6 ± 3.9 |
348.8 ± 14.5 |
1.54 ± 0.09 |
RH08 |
73.7 ± 1.8 |
387.7 ± 13.0 |
1.54 ± 0.09 |
RH09 |
77.6 ± 2.9 |
376.6 ± 10.2 |
1.54 ± 0.09 |
RH10 |
77.0 ± 2.7 |
379.4 ± 10.4 |
1.54 ± 0.09 |
Average |
75.3 |
361.8 |
1.54 |
Median |
79.2 |
372.8 |
1.54 |
Deviation |
8.2 |
19.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
74.8 ± 0.8 |
11.3 ± 0.1 |
18.1 ± 0.7 |
38.5 ± 1.0 |
6.62 ± 0.12 |
1.94 ± 0.06 |
VC |
85.6 ± 1.5 |
3.6 ± 0.1 |
6.0 ± 0.2 |
40.0 ± 1.0 |
23.64 ± 0.53 |
2.14 ± 0.07 |
MX1 |
85.6 ± 1.5 |
3.4 ± 0.0 |
5.7 ± 0.2 |
40.0 ± 1.0 |
24.89 ± 0.57 |
2.14 ± 0.07 |
MX2 |
85.6 ± 1.5 |
3.5 ± 0.0 |
5.8 ± 0.2 |
40.0 ± 1.0 |
24.72 ± 0.55 |
2.14 ± 0.07 |
MX3 |
85.5 ± 1.4 |
3.5 ± 0.0 |
5.8 ± 0.2 |
40.0 ± 1.0 |
24.46 ± 0.53 |
2.14 ± 0.07 |
RH8 |
80.1 ± 0.9 |
5.5 ± 0.1 |
9.0 ± 0.4 |
39.8 ± 1.0 |
14.68 ± 0.25 |
2.01 ± 0.05 |
RH9 |
63.5 ± 1.2 |
4.2 ± 0.1 |
6.9 ± 0.3 |
39.9 ± 1.0 |
15.28 ± 0.32 |
1.59 ± 0.04 |
RH10 |
65.1 ± 1.1 |
4.3 ± 0.1 |
7.2 ± 0.3 |
39.9 ± 1.0 |
14.99 ± 0.30 |
1.63 ± 0.04 |
Average |
78.2 |
4.9 |
8.1 |
39.8 |
18.7 |
2.0 |
Median |
85.5 |
4.2 |
6.9 |
40.0 |
23.6 |
2.1 |
Deviation |
9.4 |
2.7 |
4.2 |
0.5 |
6.8 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
49.2 ± 1.2 |
14.1 ± 0.4 |
24.5 ± 1.9 |
50.5 ± 2.3 |
3.49 ± 0.12 |
0.98 ± 0.07 |
VC |
55.8 ± 1.1 |
4.5 ± 0.1 |
8.2 ± 0.6 |
52.2 ± 2.2 |
12.32 ± 0.49 |
1.07 ± 0.06 |
MX1 |
55.7 ± 1.1 |
4.3 ± 0.1 |
7.8 ± 0.6 |
52.2 ± 2.2 |
12.97 ± 0.52 |
1.07 ± 0.06 |
MX2 |
55.7 ± 1.1 |
4.3 ± 0.1 |
7.8 ± 0.6 |
52.2 ± 2.2 |
12.88 ± 0.51 |
1.07 ± 0.06 |
MX3 |
55.7 ± 1.0 |
4.4 ± 0.1 |
7.9 ± 0.6 |
52.2 ± 2.2 |
12.74 ± 0.50 |
1.07 ± 0.06 |
RH8 |
52.3 ± 1.0 |
6.8 ± 0.2 |
12.2 ± 0.9 |
52.0 ± 2.3 |
7.68 ± 0.26 |
1.01 ± 0.06 |
RH9 |
41.3 ± 1.1 |
5.2 ± 0.1 |
9.4 ± 0.7 |
52.1 ± 2.2 |
7.95 ± 0.24 |
0.79 ± 0.05 |
RH10 |
42.4 ± 1.1 |
5.4 ± 0.1 |
9.8 ± 0.7 |
52.1 ± 2.2 |
7.81 ± 0.23 |
0.81 ± 0.05 |
Average |
51.0 |
6.1 |
10.9 |
51.9 |
9.7 |
1.0 |
Median |
55.7 |
5.2 |
9.4 |
52.2 |
12.3 |
1.1 |
Deviation |
6.1 |
3.3 |
5.7 |
0.6 |
3.5 |
0.1 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00025.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00025.png)
|
Velocity
![V](wi_selv_00025.png)
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00025.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00025.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
|