Database: Wind Shock Analysis
Event ID: 20013341815
Observation time: 11/30/2001 334.76095 1815 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
334.760955 |
Arrival time of shock [seconds of day] |
65746.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
42.550 |
Y GSE location of spacecraft [Re] |
420.909 |
Z GSE location of spacecraft [Re] |
18.420 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0258 |
Downstream plasma points selected for analysis |
0009
|
Downstream field points selected for analysis |
0296 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.37, 8.57, 8.73 |
Event added to database
|
Mon Feb 14 11:16:41 2005
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Event last processed
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Mon Mar 30 22:12:38 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
3.630 ± 1.647
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-339.3 ± 2.7 |
-362.2 ± 1.0 |
Vy GSE [km/s] |
-17.1 ± 3.2 |
-14.5 ± 3.8 |
Vz GSE [km/s] |
0.2 ± 3.5 |
15.2 ± 4.2 |
Wi [km/s] |
25.9 ± 1.5 |
29.5 ± 2.0 |
We [km/s] |
819.0 ± 48.6 |
932.3 ± 62.1 |
Ni [n/cc] |
3.8 ± 0.2 |
5.4 ± 0.3 |
Bx GSE [nT] |
1.8 ± 0.2 |
2.1 ± 0.2 |
By GSE [nT] |
-3.1 ± 0.3 |
-3.9 ± 0.5 |
Bz GSE [nT] |
0.7 ± 0.3 |
3.1 ± 0.6 |
Plasma Beta
|
0.397 ± 0.378
|
0.324 ± 0.319
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Sound Speed [km/s]
|
33.44 ± 1.99
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38.06 ± 2.54
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Alfven Speed [km/s]
|
41.42 ± 2.05
|
51.94 ± 1.62
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.557 ± 0.219 |
0.771 ± 0.163 |
0.309 ± 0.299 |
18.01 ± 10.42 |
125.83 ± 16.10 |
VC |
-0.840 ± 0.097 |
0.103 ± 0.170 |
0.532 ± 0.475 |
32.16 ± 10.23 |
173.03 ± 11.56 |
MX1 |
-0.840 ± 0.143 |
0.490 ± 0.242 |
0.234 ± 0.229 |
13.51 ± 6.94 |
149.71 ± 16.49 |
MX2 |
-0.905 ± 0.074 |
0.362 ± 0.175 |
0.221 ± 0.218 |
12.78 ± 6.30 |
158.19 ± 11.06 |
MX3 |
-0.956 ± 0.032 |
0.216 ± 0.113 |
0.198 ± 0.195 |
11.42 ± 5.88 |
167.29 ± 6.75 |
RH08 |
-0.990 ± 0.002 |
0.061 ± 0.014 |
0.128 ± 0.128 |
7.38 ± 1.00 |
176.49 ± 0.80 |
RH09 |
-0.999 ± 0.003 |
0.044 ± 0.069 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
177.49 ± 3.94 |
RH10 |
-1.000 ± 0.002 |
0.026 ± 0.069 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
178.50 ± 3.94 |
Average |
-0.886 |
0.259 |
0.201 |
11.828 |
163.316 |
Median |
-0.905 |
0.216 |
0.221 |
12.785 |
173.025 |
Deviation |
0.149 |
0.265 |
0.175 |
10.491 |
18.250 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
30.5 ± 4.2 |
244.4 ± 20.3 |
1.40 ± 0.07 |
VC |
67.2 ± 2.3 |
378.8 ± 22.4 |
1.40 ± 0.07 |
MX1 |
39.3 ± 2.2 |
359.9 ± 21.3 |
1.40 ± 0.07 |
MX2 |
45.6 ± 2.6 |
385.8 ± 21.7 |
1.40 ± 0.07 |
MX3 |
52.8 ± 3.2 |
407.6 ± 21.8 |
1.40 ± 0.07 |
RH08 |
59.7 ± 3.9 |
417.9 ± 21.5 |
1.40 ± 0.07 |
RH09 |
58.6 ± 4.6 |
417.0 ± 21.0 |
1.40 ± 0.07 |
RH10 |
59.5 ± 4.6 |
416.8 ± 21.0 |
1.40 ± 0.07 |
Average |
51.7 |
378.5 |
1.40 |
Median |
58.6 |
407.6 |
1.40 |
Deviation |
12.3 |
58.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
68.6 ± 2.3 |
25.4 ± 0.8 |
35.7 ± 1.8 |
46.8 ± 1.4 |
2.70 ± 0.13 |
1.47 ± 0.04 |
VC |
95.3 ± 1.4 |
10.2 ± 0.3 |
16.0 ± 0.8 |
52.3 ± 1.5 |
9.32 ± 0.27 |
1.82 ± 0.05 |
MX1 |
83.4 ± 1.3 |
22.1 ± 0.7 |
32.1 ± 1.6 |
48.5 ± 1.4 |
3.78 ± 0.13 |
1.72 ± 0.05 |
MX2 |
84.7 ± 1.4 |
19.5 ± 0.6 |
29.0 ± 1.4 |
49.6 ± 1.4 |
4.34 ± 0.14 |
1.71 ± 0.05 |
MX3 |
86.8 ± 1.7 |
16.5 ± 0.5 |
25.1 ± 1.2 |
50.7 ± 1.5 |
5.26 ± 0.18 |
1.72 ± 0.06 |
RH8 |
83.1 ± 2.2 |
13.5 ± 0.4 |
20.9 ± 1.0 |
51.5 ± 1.5 |
6.15 ± 0.24 |
1.61 ± 0.07 |
RH9 |
78.8 ± 2.6 |
14.0 ± 0.4 |
21.6 ± 1.1 |
51.4 ± 1.5 |
5.62 ± 0.25 |
1.53 ± 0.07 |
RH10 |
78.0 ± 2.6 |
13.6 ± 0.4 |
21.0 ± 1.0 |
51.5 ± 1.5 |
5.74 ± 0.25 |
1.52 ± 0.07 |
Average |
82.3 |
16.9 |
25.2 |
50.3 |
5.4 |
1.6 |
Median |
83.4 |
16.5 |
25.1 |
51.4 |
5.6 |
1.7 |
Deviation |
7.7 |
5.1 |
6.6 |
1.9 |
2.0 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
49.2 ± 3.5 |
29.8 ± 1.6 |
44.7 ± 1.4 |
57.1 ± 1.8 |
1.66 ± 0.13 |
0.86 ± 0.07 |
VC |
67.8 ± 2.0 |
12.1 ± 0.6 |
20.1 ± 0.6 |
63.3 ± 2.2 |
5.62 ± 0.21 |
1.07 ± 0.04 |
MX1 |
59.4 ± 2.2 |
25.9 ± 1.3 |
40.2 ± 1.3 |
59.0 ± 1.9 |
2.30 ± 0.13 |
1.01 ± 0.05 |
MX2 |
59.8 ± 1.7 |
23.0 ± 1.2 |
36.4 ± 1.1 |
60.2 ± 2.0 |
2.61 ± 0.13 |
0.99 ± 0.05 |
MX3 |
61.4 ± 1.2 |
19.5 ± 1.0 |
31.4 ± 1.0 |
61.4 ± 2.1 |
3.16 ± 0.15 |
1.00 ± 0.04 |
RH8 |
58.4 ± 0.8 |
16.0 ± 0.8 |
26.2 ± 0.8 |
62.4 ± 2.1 |
3.66 ± 0.18 |
0.94 ± 0.04 |
RH9 |
55.9 ± 0.9 |
16.5 ± 0.8 |
27.1 ± 0.8 |
62.3 ± 2.1 |
3.39 ± 0.19 |
0.90 ± 0.04 |
RH10 |
55.2 ± 0.9 |
16.0 ± 0.8 |
26.3 ± 0.8 |
62.4 ± 2.1 |
3.45 ± 0.20 |
0.89 ± 0.04 |
Average |
58.4 |
19.8 |
31.6 |
61.0 |
3.2 |
1.0 |
Median |
59.4 |
19.5 |
31.4 |
62.3 |
3.4 |
1.0 |
Deviation |
5.4 |
5.9 |
8.3 |
2.1 |
1.2 |
0.1 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00283.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00283.png)
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Velocity
![V](wi_selv_00283.png)
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Magnetic Field
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Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00283.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00283.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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