Database: Wind Shock Analysis
Event ID: 19993092003
Observation time: 11/05/1999 309.83554 2003 [UT]
|
![Wind spacecraft](../windsm.gif)
|
General
Information (About, Top)
Year |
1999 |
Fractional day of year |
309.835538 |
Arrival time of shock [seconds of day] |
72190.5 ± 9.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.521 |
Y GSE location of spacecraft [Re] |
-68.156 |
Z GSE location of spacecraft [Re] |
1.199 |
Upstream plasma points selected for analysis |
0005 |
Upstream field points selected for analysis |
0165 |
Downstream plasma points selected for analysis |
0007
|
Downstream field points selected for analysis |
0204 |
Minimum chisq/dof for RH8,RH9,RH10 |
4.22, 5.90, 6.20 |
Event added to database
|
Mon Feb 14 11:08:59 2005
|
Event last processed
|
Mon Mar 30 19:08:07 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
5.675 ± 0.436
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-325.7 ± 1.4 |
-353.9 ± 1.5 |
Vy GSE [km/s] |
-5.4 ± 0.6 |
-2.4 ± 2.3 |
Vz GSE [km/s] |
-18.0 ± 2.9 |
-37.8 ± 6.2 |
Wi [km/s] |
31.9 ± 0.7 |
38.3 ± 0.9 |
We [km/s] |
1008.1 ± 22.6 |
1212.2 ± 29.3 |
Ni [n/cc] |
6.1 ± 0.2 |
9.6 ± 0.2 |
Bx GSE [nT] |
3.1 ± 0.1 |
2.8 ± 0.4 |
By GSE [nT] |
-5.6 ± 0.2 |
-8.1 ± 0.4 |
Bz GSE [nT] |
-2.1 ± 0.4 |
-4.7 ± 0.6 |
Plasma Beta
|
0.289 ± 0.292
|
0.310 ± 0.305
|
Sound Speed [km/s]
|
41.15 ± 0.92
|
49.49 ± 1.20
|
Alfven Speed [km/s]
|
59.48 ± 2.43
|
68.89 ± 1.14
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.814 ± 0.118 |
0.492 ± 0.185 |
-0.309 ± 0.299 |
-18.00 ± 9.24 |
148.85 ± 12.87 |
VC |
-0.824 ± 0.089 |
0.087 ± 0.065 |
-0.559 ± 0.492 |
-34.00 ± 9.17 |
173.95 ± 4.47 |
MX1 |
-0.854 ± 0.070 |
0.428 ± 0.137 |
-0.296 ± 0.287 |
-17.24 ± 3.20 |
153.36 ± 9.18 |
MX2 |
-0.860 ± 0.066 |
0.417 ± 0.131 |
-0.294 ± 0.285 |
-17.11 ± 3.56 |
154.12 ± 8.74 |
MX3 |
-0.871 ± 0.065 |
0.398 ± 0.132 |
-0.290 ± 0.282 |
-16.86 ± 5.34 |
155.45 ± 8.65 |
RH08 |
-0.933 ± 0.008 |
0.295 ± 0.022 |
-0.207 ± 0.204 |
-11.93 ± 0.96 |
162.45 ± 1.32 |
RH09 |
-0.931 ± 0.025 |
0.294 ± 0.067 |
-0.218 ± 0.214 |
-12.58 ± 3.69 |
162.45 ± 4.11 |
RH10 |
-0.931 ± 0.025 |
0.294 ± 0.067 |
-0.218 ± 0.214 |
-12.58 ± 3.83 |
162.45 ± 4.13 |
Average |
-0.877 |
0.338 |
-0.299 |
-17.539 |
159.135 |
Median |
-0.860 |
0.398 |
-0.290 |
-16.863 |
162.451 |
Deviation |
0.049 |
0.125 |
0.113 |
7.096 |
7.839 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
46.9 ± 2.9 |
352.3 ± 8.2 |
1.55 ± 0.04 |
VC |
74.2 ± 2.8 |
374.5 ± 10.4 |
1.55 ± 0.04 |
MX1 |
49.3 ± 2.8 |
367.0 ± 8.0 |
1.55 ± 0.04 |
MX2 |
49.7 ± 2.8 |
369.3 ± 7.9 |
1.55 ± 0.04 |
MX3 |
50.5 ± 2.7 |
373.2 ± 7.8 |
1.55 ± 0.04 |
RH08 |
52.7 ± 2.4 |
392.6 ± 6.9 |
1.55 ± 0.04 |
RH09 |
53.1 ± 2.4 |
392.3 ± 7.0 |
1.55 ± 0.04 |
RH10 |
53.1 ± 2.4 |
392.3 ± 7.0 |
1.55 ± 0.04 |
Average |
53.7 |
376.7 |
1.55 |
Median |
52.7 |
374.5 |
1.55 |
Deviation |
8.6 |
14.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
84.2 ± 1.3 |
24.6 ± 0.4 |
40.6 ± 1.7 |
68.0 ± 2.0 |
3.43 ± 0.06 |
1.24 ± 0.04 |
VC |
96.3 ± 1.6 |
9.3 ± 0.2 |
16.2 ± 0.7 |
71.7 ± 2.0 |
10.35 ± 0.20 |
1.34 ± 0.04 |
MX1 |
85.9 ± 1.2 |
23.3 ± 0.4 |
38.8 ± 1.6 |
68.5 ± 2.0 |
3.69 ± 0.07 |
1.25 ± 0.04 |
MX2 |
86.1 ± 1.2 |
23.1 ± 0.4 |
38.5 ± 1.6 |
68.6 ± 2.0 |
3.73 ± 0.07 |
1.26 ± 0.04 |
MX3 |
86.5 ± 1.2 |
22.7 ± 0.4 |
37.9 ± 1.5 |
68.7 ± 2.0 |
3.82 ± 0.07 |
1.26 ± 0.04 |
RH8 |
86.6 ± 1.2 |
21.4 ± 0.4 |
36.0 ± 1.5 |
69.1 ± 2.0 |
4.04 ± 0.09 |
1.25 ± 0.04 |
RH9 |
86.9 ± 1.2 |
21.2 ± 0.4 |
35.7 ± 1.5 |
69.2 ± 2.0 |
4.09 ± 0.09 |
1.26 ± 0.04 |
RH10 |
86.9 ± 1.2 |
21.2 ± 0.4 |
35.7 ± 1.5 |
69.2 ± 2.0 |
4.09 ± 0.09 |
1.26 ± 0.04 |
Average |
87.4 |
20.9 |
34.9 |
69.1 |
4.7 |
1.3 |
Median |
86.6 |
22.7 |
37.9 |
69.1 |
4.0 |
1.3 |
Deviation |
3.7 |
4.8 |
7.8 |
1.1 |
2.3 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
53.7 ± 2.7 |
29.2 ± 0.5 |
47.1 ± 0.8 |
79.6 ± 0.9 |
1.84 ± 0.07 |
0.67 ± 0.03 |
VC |
61.8 ± 3.6 |
11.1 ± 0.2 |
18.8 ± 0.3 |
84.1 ± 0.9 |
5.59 ± 0.27 |
0.73 ± 0.04 |
MX1 |
54.7 ± 2.6 |
27.7 ± 0.4 |
44.9 ± 0.7 |
80.2 ± 0.9 |
1.97 ± 0.07 |
0.68 ± 0.03 |
MX2 |
54.8 ± 2.6 |
27.5 ± 0.4 |
44.5 ± 0.7 |
80.3 ± 0.9 |
2.00 ± 0.07 |
0.68 ± 0.03 |
MX3 |
55.1 ± 2.5 |
27.0 ± 0.4 |
43.8 ± 0.7 |
80.4 ± 0.9 |
2.04 ± 0.07 |
0.68 ± 0.03 |
RH8 |
55.3 ± 2.1 |
25.5 ± 0.4 |
41.7 ± 0.7 |
80.9 ± 0.9 |
2.17 ± 0.06 |
0.68 ± 0.02 |
RH9 |
55.5 ± 2.1 |
25.3 ± 0.4 |
41.4 ± 0.7 |
81.0 ± 0.9 |
2.19 ± 0.06 |
0.68 ± 0.02 |
RH10 |
55.5 ± 2.1 |
25.3 ± 0.4 |
41.4 ± 0.7 |
81.0 ± 0.9 |
2.19 ± 0.06 |
0.68 ± 0.02 |
Average |
55.8 |
24.8 |
40.5 |
80.9 |
2.5 |
0.7 |
Median |
55.3 |
27.0 |
43.8 |
80.9 |
2.2 |
0.7 |
Deviation |
2.5 |
5.7 |
9.0 |
1.4 |
1.3 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00151.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00151.png)
|
Velocity
![V](wi_selv_00151.png)
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00151.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00151.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
|