Database: Wind Shock Analysis
Event ID: 19970050320
Observation time: 01/05/1997 5.13943 0320 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
1997 |
Fractional day of year |
5.139427 |
Arrival time of shock [seconds of day] |
12046.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
30.834 |
Y GSE location of spacecraft [Re] |
-60.580 |
Z GSE location of spacecraft [Re] |
2.393 |
Upstream plasma points selected for analysis |
0003 |
Upstream field points selected for analysis |
0190 |
Downstream plasma points selected for analysis |
0007
|
Downstream field points selected for analysis |
0211 |
Minimum chisq/dof for RH8,RH9,RH10 |
24.75, 31.87, 34.82 |
Event added to database
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Mon Feb 14 11:03:42 2005
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Event last processed
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Mon Mar 30 16:32:24 2009
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Method selected
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RH09
|
Propagation delay to Earth [minutes]
|
12.612 ± 0.981
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-335.7 ± 0.7 |
-359.7 ± 3.0 |
Vy GSE [km/s] |
-10.7 ± 3.2 |
-8.0 ± 1.8 |
Vz GSE [km/s] |
-9.7 ± 0.4 |
21.7 ± 2.8 |
Wi [km/s] |
24.9 ± 1.2 |
31.0 ± 1.4 |
We [km/s] |
786.3 ± 37.8 |
980.3 ± 44.8 |
Ni [n/cc] |
7.1 ± 0.1 |
11.4 ± 0.6 |
Bx GSE [nT] |
1.0 ± 0.2 |
0.8 ± 0.9 |
By GSE [nT] |
-5.1 ± 0.2 |
-7.5 ± 0.3 |
Bz GSE [nT] |
0.4 ± 0.2 |
1.9 ± 0.6 |
Plasma Beta
|
0.337 ± 0.357
|
0.378 ± 0.357
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Sound Speed [km/s]
|
32.10 ± 1.54
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40.02 ± 1.83
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Alfven Speed [km/s]
|
42.98 ± 1.52
|
50.70 ± 2.03
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.878 ± 0.380 |
0.379 ± 0.811 |
0.292 ± 0.283 |
16.97 ± 32.18 |
156.67 ± 52.74 |
VC |
-0.610 ± 0.064 |
0.069 ± 0.081 |
0.789 ± 0.559 |
52.10 ± 4.60 |
173.59 ± 7.55 |
MX1 |
-0.610 ± 0.117 |
0.487 ± 0.130 |
0.624 ± 0.527 |
38.64 ± 8.04 |
141.39 ± 11.09 |
MX2 |
-0.622 ± 0.111 |
0.471 ± 0.128 |
0.626 ± 0.527 |
38.72 ± 7.63 |
142.90 ± 10.82 |
MX3 |
-0.639 ± 0.114 |
0.446 ± 0.137 |
0.626 ± 0.527 |
38.75 ± 7.87 |
145.09 ± 11.44 |
RH08 |
-0.794 ± 0.018 |
0.298 ± 0.027 |
0.531 ± 0.474 |
32.05 ± 1.72 |
159.44 ± 1.92 |
RH09 |
-0.968 ± 0.017 |
0.251 ± 0.066 |
0.017 ± 0.017 |
0.96 ± 4.05 |
165.46 ± 3.91 |
RH10 |
-0.968 ± 0.017 |
0.251 ± 0.067 |
0.006 ± 0.006 |
0.32 ± 4.05 |
165.46 ± 3.94 |
Average |
-0.761 |
0.331 |
0.439 |
27.315 |
156.248 |
Median |
-0.639 |
0.379 |
0.624 |
38.643 |
159.443 |
Deviation |
0.160 |
0.143 |
0.298 |
19.110 |
11.978 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
58.6 ± 1.3 |
366.5 ± 8.6 |
1.60 ± 0.08 |
VC |
82.5 ± 0.8 |
300.7 ± 10.4 |
1.60 ± 0.08 |
MX1 |
56.6 ± 0.7 |
286.9 ± 9.3 |
1.60 ± 0.08 |
MX2 |
57.5 ± 0.7 |
291.8 ± 9.3 |
1.60 ± 0.08 |
MX3 |
58.9 ± 0.6 |
298.8 ± 9.4 |
1.60 ± 0.08 |
RH08 |
65.9 ± 0.4 |
353.6 ± 9.4 |
1.60 ± 0.08 |
RH09 |
64.3 ± 2.4 |
384.2 ± 8.3 |
1.60 ± 0.08 |
RH10 |
64.2 ± 2.4 |
383.6 ± 8.2 |
1.60 ± 0.08 |
Average |
63.6 |
333.3 |
1.60 |
Median |
64.2 |
353.6 |
1.60 |
Deviation |
8.4 |
42.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
78.6 ± 0.7 |
13.9 ± 0.4 |
22.4 ± 0.8 |
51.8 ± 1.0 |
5.67 ± 0.18 |
1.52 ± 0.02 |
VC |
104.1 ± 0.2 |
3.4 ± 0.1 |
5.6 ± 0.2 |
53.6 ± 1.0 |
31.06 ± 0.84 |
1.94 ± 0.04 |
MX1 |
93.3 ± 1.4 |
14.7 ± 0.4 |
23.7 ± 0.8 |
51.6 ± 1.0 |
6.34 ± 0.23 |
1.81 ± 0.03 |
MX2 |
94.1 ± 1.3 |
14.3 ± 0.4 |
23.1 ± 0.8 |
51.7 ± 1.0 |
6.58 ± 0.24 |
1.82 ± 0.03 |
MX3 |
95.0 ± 1.2 |
13.7 ± 0.4 |
22.2 ± 0.8 |
51.9 ± 1.0 |
6.93 ± 0.24 |
1.83 ± 0.03 |
RH8 |
95.5 ± 0.6 |
10.7 ± 0.3 |
17.6 ± 0.6 |
52.6 ± 1.0 |
8.93 ± 0.27 |
1.82 ± 0.03 |
RH9 |
62.2 ± 0.2 |
11.4 ± 0.3 |
18.7 ± 0.7 |
52.4 ± 1.0 |
5.46 ± 0.14 |
1.19 ± 0.02 |
RH10 |
61.4 ± 0.2 |
11.4 ± 0.3 |
18.7 ± 0.7 |
52.4 ± 1.0 |
5.38 ± 0.14 |
1.17 ± 0.02 |
Average |
85.5 |
11.7 |
19.0 |
52.3 |
9.5 |
1.6 |
Median |
94.1 |
13.7 |
22.2 |
52.4 |
6.6 |
1.8 |
Deviation |
16.2 |
3.7 |
5.9 |
0.6 |
8.8 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
47.3 ± 2.9 |
16.9 ± 0.4 |
26.4 ± 1.1 |
62.4 ± 1.3 |
2.79 ± 0.19 |
0.76 ± 0.04 |
VC |
64.5 ± 2.5 |
4.1 ± 0.1 |
6.6 ± 0.3 |
64.5 ± 1.3 |
15.75 ± 0.76 |
1.00 ± 0.04 |
MX1 |
57.7 ± 2.8 |
18.0 ± 0.4 |
27.9 ± 1.1 |
62.1 ± 1.3 |
3.21 ± 0.19 |
0.93 ± 0.05 |
MX2 |
58.2 ± 2.8 |
17.5 ± 0.4 |
27.2 ± 1.1 |
62.2 ± 1.3 |
3.33 ± 0.19 |
0.94 ± 0.05 |
MX3 |
58.7 ± 2.8 |
16.8 ± 0.4 |
26.2 ± 1.0 |
62.4 ± 1.3 |
3.50 ± 0.20 |
0.94 ± 0.04 |
RH8 |
58.9 ± 2.8 |
13.1 ± 0.3 |
20.7 ± 0.8 |
63.3 ± 1.3 |
4.51 ± 0.25 |
0.93 ± 0.04 |
RH9 |
37.7 ± 3.1 |
13.9 ± 0.3 |
22.0 ± 0.9 |
63.1 ± 1.3 |
2.70 ± 0.22 |
0.60 ± 0.04 |
RH10 |
37.2 ± 3.1 |
14.0 ± 0.3 |
22.0 ± 0.9 |
63.1 ± 1.3 |
2.67 ± 0.22 |
0.59 ± 0.04 |
Average |
52.5 |
14.3 |
22.4 |
62.9 |
4.8 |
0.8 |
Median |
58.2 |
16.8 |
26.2 |
63.1 |
3.3 |
0.9 |
Deviation |
10.4 |
4.5 |
6.9 |
0.8 |
4.5 |
0.2 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00065.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00065.png)
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Velocity
![V](wi_selv_00065.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_00065.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00065.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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