Database: Wind Shock Analysis
Event ID: 19962101214
Observation time: 07/28/1996 210.51026 1214 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
1996 |
Fractional day of year |
210.510260 |
Arrival time of shock [seconds of day] |
44086.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
179.226 |
Y GSE location of spacecraft [Re] |
16.560 |
Z GSE location of spacecraft [Re] |
-3.630 |
Upstream plasma points selected for analysis |
0005 |
Upstream field points selected for analysis |
0141 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0083 |
Minimum chisq/dof for RH8,RH9,RH10 |
11.30, 54.05, 86.05 |
Event added to database
|
Mon Feb 14 11:03:00 2005
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Event last processed
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Mon Mar 30 16:24:01 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
50.477 ± 7.413
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-308.0 ± 0.3 |
-327.2 ± 0.9 |
Vy GSE [km/s] |
-13.6 ± 0.2 |
-21.3 ± 1.0 |
Vz GSE [km/s] |
7.4 ± 0.3 |
-4.5 ± 2.1 |
Wi [km/s] |
14.7 ± 0.2 |
19.3 ± 1.1 |
We [km/s] |
464.5 ± 4.9 |
610.3 ± 35.7 |
Ni [n/cc] |
19.3 ± 0.3 |
32.3 ± 0.9 |
Bx GSE [nT] |
-1.6 ± 0.0 |
-2.3 ± 0.8 |
By GSE [nT] |
1.1 ± 0.1 |
3.1 ± 0.5 |
Bz GSE [nT] |
0.5 ± 0.2 |
0.3 ± 1.5 |
Plasma Beta
|
2.070 ± 2.170
|
1.495 ± 1.467
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Sound Speed [km/s]
|
18.96 ± 0.20
|
24.91 ± 1.46
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Alfven Speed [km/s]
|
10.22 ± 0.35
|
15.78 ± 0.43
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.984 ± 0.083 |
-0.180 ± 0.454 |
-0.009 ± 0.009 |
-0.52 ± 24.57 |
190.38 ± 26.43 |
VC |
-0.805 ± 0.039 |
-0.323 ± 0.043 |
-0.497 ± 0.452 |
-29.83 ± 4.35 |
201.86 ± 2.86 |
MX1 |
-0.867 ± 0.088 |
-0.240 ± 0.159 |
-0.437 ± 0.407 |
-25.90 ± 10.40 |
195.49 ± 10.44 |
MX2 |
-0.811 ± 0.032 |
-0.289 ± 0.064 |
-0.508 ± 0.459 |
-30.52 ± 2.70 |
199.61 ± 4.50 |
MX3 |
-0.802 ± 0.025 |
-0.298 ± 0.053 |
-0.518 ± 0.466 |
-31.17 ± 1.78 |
200.36 ± 3.74 |
RH08 |
-0.877 ± 0.015 |
-0.163 ± 0.025 |
-0.453 ± 0.419 |
-26.91 ± 1.90 |
190.53 ± 1.59 |
RH09 |
-0.164 ± 0.066 |
0.131 ± 0.069 |
-0.978 ± 0.286 |
-77.86 ± 3.57 |
141.39 ± 20.06 |
RH10 |
-0.210 ± 0.067 |
0.208 ± 0.067 |
-0.955 ± 0.376 |
-72.81 ± 3.77 |
135.38 ± 13.84 |
Average |
-0.690 |
-0.144 |
-0.544 |
-36.940 |
181.874 |
Median |
-0.805 |
-0.180 |
-0.497 |
-29.826 |
195.485 |
Deviation |
0.316 |
0.202 |
0.309 |
25.733 |
27.226 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
46.9 ± 0.7 |
356.5 ± 3.5 |
1.66 ± 0.06 |
VC |
69.6 ± 1.8 |
308.4 ± 1.9 |
1.66 ± 0.06 |
MX1 |
62.8 ± 1.7 |
325.7 ± 2.0 |
1.66 ± 0.06 |
MX2 |
68.3 ± 1.9 |
309.9 ± 1.9 |
1.66 ± 0.06 |
MX3 |
69.2 ± 1.9 |
307.0 ± 1.8 |
1.66 ± 0.06 |
RH08 |
59.7 ± 2.1 |
327.2 ± 2.0 |
1.66 ± 0.06 |
RH09 |
88.6 ± 4.9 |
75.6 ± 3.0 |
1.66 ± 0.06 |
RH10 |
86.6 ± 5.0 |
89.3 ± 2.8 |
1.66 ± 0.06 |
Average |
68.9 |
262.4 |
1.66 |
Median |
69.2 |
309.9 |
1.66 |
Deviation |
13.7 |
112.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
51.2 ± 0.3 |
6.4 ± 0.2 |
7.0 ± 0.2 |
20.6 ± 0.2 |
7.95 ± 0.19 |
2.49 ± 0.01 |
VC |
59.8 ± 0.3 |
3.2 ± 0.1 |
3.6 ± 0.1 |
21.3 ± 0.2 |
18.84 ± 0.48 |
2.80 ± 0.02 |
MX1 |
58.7 ± 0.3 |
4.2 ± 0.1 |
4.7 ± 0.2 |
21.1 ± 0.2 |
13.99 ± 0.35 |
2.78 ± 0.02 |
MX2 |
59.8 ± 0.3 |
3.4 ± 0.1 |
3.8 ± 0.1 |
21.3 ± 0.2 |
17.74 ± 0.45 |
2.81 ± 0.02 |
MX3 |
59.8 ± 0.3 |
3.2 ± 0.1 |
3.6 ± 0.1 |
21.3 ± 0.2 |
18.48 ± 0.47 |
2.81 ± 0.02 |
RH8 |
58.4 ± 0.3 |
4.6 ± 0.1 |
5.2 ± 0.2 |
21.0 ± 0.2 |
12.56 ± 0.32 |
2.77 ± 0.02 |
RH9 |
34.0 ± 0.3 |
0.2 ± 0.0 |
0.3 ± 0.0 |
21.5 ± 0.2 |
154.05 ± 4.68 |
1.58 ± 0.02 |
RH10 |
34.4 ± 0.3 |
0.5 ± 0.0 |
0.6 ± 0.0 |
21.5 ± 0.2 |
63.98 ± 1.91 |
1.60 ± 0.02 |
Average |
52.0 |
3.2 |
3.6 |
21.2 |
38.4 |
2.5 |
Median |
58.7 |
3.4 |
3.8 |
21.3 |
18.5 |
2.8 |
Deviation |
11.3 |
2.1 |
2.2 |
0.3 |
49.9 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
30.8 ± 0.7 |
9.6 ± 0.3 |
10.8 ± 0.3 |
27.9 ± 1.4 |
3.20 ± 0.18 |
1.11 ± 0.08 |
VC |
35.8 ± 0.5 |
4.7 ± 0.2 |
5.5 ± 0.1 |
29.1 ± 1.4 |
7.61 ± 0.16 |
1.23 ± 0.04 |
MX1 |
35.0 ± 0.3 |
6.2 ± 0.2 |
7.2 ± 0.2 |
28.8 ± 1.4 |
5.60 ± 0.14 |
1.22 ± 0.05 |
MX2 |
35.9 ± 0.5 |
5.0 ± 0.2 |
5.8 ± 0.2 |
29.1 ± 1.4 |
7.17 ± 0.15 |
1.24 ± 0.04 |
MX3 |
35.9 ± 0.6 |
4.8 ± 0.2 |
5.6 ± 0.2 |
29.1 ± 1.4 |
7.47 ± 0.15 |
1.23 ± 0.04 |
RH8 |
34.8 ± 0.4 |
6.9 ± 0.2 |
8.0 ± 0.2 |
28.7 ± 1.4 |
5.04 ± 0.13 |
1.22 ± 0.05 |
RH9 |
20.2 ± 1.9 |
0.3 ± 0.0 |
0.4 ± 0.0 |
29.5 ± 1.5 |
61.60 ± 3.62 |
0.68 ± 0.03 |
RH10 |
20.5 ± 1.8 |
0.8 ± 0.0 |
0.9 ± 0.0 |
29.5 ± 1.5 |
25.74 ± 1.33 |
0.70 ± 0.03 |
Average |
31.1 |
4.8 |
5.5 |
29.0 |
15.4 |
1.1 |
Median |
35.0 |
5.0 |
5.8 |
29.1 |
7.5 |
1.2 |
Deviation |
6.8 |
3.1 |
3.5 |
0.5 |
19.9 |
0.2 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00054.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00054.png)
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Velocity
![V](wi_selv_00054.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_00054.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00054.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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