Database: Wind Shock Analysis
Event ID: 20012682017
Observation time: 09/25/2001 268.84533 2017 [UT]
|
![Wind spacecraft](../windsm.gif)
|
General
Information (About, Top)
Year |
2001 |
Fractional day of year |
268.845330 |
Arrival time of shock [seconds of day] |
73036.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
85.582 |
Y GSE location of spacecraft [Re] |
-27.772 |
Z GSE location of spacecraft [Re] |
7.877 |
Upstream plasma points selected for analysis |
0006 |
Upstream field points selected for analysis |
0206 |
Downstream plasma points selected for analysis |
0006
|
Downstream field points selected for analysis |
0182 |
Minimum chisq/dof for RH8,RH9,RH10 |
*********,*********,********* |
Event added to database
|
Sat Mar 12 22:40:43 2005
|
Event last processed
|
Mon Mar 30 23:37:10 2009
|
Method selected
|
MX2
|
Propagation delay to Earth [minutes]
|
0.264 ± 29.291
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-369.3 ± 6.2 |
-622.8 ± 36.6 |
Vy GSE [km/s] |
-40.0 ± 20.1 |
-264.2 ± 25.2 |
Vz GSE [km/s] |
28.0 ± 15.0 |
49.3 ± 66.0 |
Wi [km/s] |
18.6 ± 2.8 |
122.0 ± 26.1 |
We [km/s] |
589.0 ± 87.7 |
3857.8 ± 825.0 |
Ni [n/cc] |
4.4 ± 1.0 |
11.6 ± 4.9 |
Bx GSE [nT] |
6.7 ± 1.5 |
13.8 ± 2.7 |
By GSE [nT] |
-3.7 ± 0.6 |
-14.3 ± 5.3 |
Bz GSE [nT] |
-2.5 ± 0.8 |
-5.3 ± 2.5 |
Plasma Beta
|
0.053 ± 0.057
|
0.952 ± 0.854
|
Sound Speed [km/s]
|
24.05 ± 3.58
|
157.49 ± 33.68
|
Alfven Speed [km/s]
|
85.22 ± 13.23
|
138.54 ± 28.53
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.816 ± 0.268 |
-0.563 ± 0.379 |
0.130 ± 0.129 |
7.47 ± 37.17 |
214.59 ± 26.36 |
VC |
-0.746 ± 0.075 |
-0.663 ± 0.084 |
0.061 ± 0.061 |
3.49 ± 9.90 |
221.62 ± 6.46 |
MX1 |
-0.793 ± 0.123 |
-0.605 ± 0.161 |
0.066 ± 0.066 |
3.77 ± 12.80 |
217.33 ± 11.58 |
MX2 |
-0.790 ± 0.122 |
-0.609 ± 0.158 |
0.072 ± 0.072 |
4.11 ± 12.54 |
217.63 ± 11.45 |
MX3 |
-0.788 ± 0.123 |
-0.611 ± 0.158 |
0.076 ± 0.076 |
4.39 ± 12.42 |
217.78 ± 11.43 |
RH08 |
0.030 ± 0.008 |
0.171 ± 0.034 |
0.985 ± 303.050 |
******* ± 2.00 |
******* ± 2.00 |
RH09 |
0.030 ± 0.008 |
0.171 ± 0.034 |
0.985 ± 303.050 |
******* ± 2.00 |
******* ± 2.00 |
RH10 |
0.030 ± 0.008 |
0.171 ± 0.034 |
0.985 ± 303.050 |
******* ± 2.00 |
******* ± 2.00 |
Average |
-0.480 |
-0.317 |
0.420 |
******* |
******* |
Median |
-0.746 |
-0.563 |
0.130 |
3.773 |
217.329 |
Deviation |
0.423 |
0.405 |
0.468 |
******* |
******* |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
63.0 ± 7.0 |
855.4 ± ****** |
3.00 ± 2.06 |
VC |
70.8 ± 7.1 |
835.1 ± ****** |
3.00 ± 2.06 |
MX1 |
66.7 ± 7.2 |
854.5 ± ****** |
3.00 ± 2.06 |
MX2 |
66.8 ± 7.2 |
852.1 ± ****** |
3.00 ± 2.06 |
MX3 |
66.9 ± 7.2 |
850.6 ± ****** |
3.00 ± 2.06 |
RH08 |
68.8 ± 6.9 |
7.2 ± 1717.3 |
3.00 ± 2.06 |
RH09 |
68.8 ± 6.9 |
7.2 ± 1717.3 |
3.00 ± 2.06 |
RH10 |
68.8 ± 6.9 |
7.2 ± 1717.3 |
3.00 ± 2.06 |
Average |
67.6 |
533.7 |
3.00 |
Median |
68.8 |
850.6 |
3.00 |
Deviation |
2.3 |
436.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
527.8 ± 16.0 |
10.6 ± 1.5 |
38.7 ± 6.0 |
88.0 ± 12.7 |
50.96 ± 7.99 |
6.15 ± 1.26 |
VC |
531.3 ± 17.0 |
7.6 ± 1.1 |
28.0 ± 4.4 |
88.3 ± 12.7 |
71.12 ± 11.08 |
6.16 ± 1.27 |
MX1 |
535.4 ± 16.1 |
9.2 ± 1.3 |
33.8 ± 5.2 |
88.2 ± 12.7 |
59.41 ± 9.33 |
6.22 ± 1.28 |
MX2 |
534.0 ± 16.2 |
9.1 ± 1.3 |
33.5 ± 5.2 |
88.2 ± 12.7 |
59.69 ± 9.36 |
6.21 ± 1.27 |
MX3 |
533.0 ± 16.3 |
9.1 ± 1.3 |
33.4 ± 5.2 |
88.2 ± 12.7 |
59.72 ± 9.36 |
6.19 ± 1.27 |
RH8 |
-2.5 ± 12.8 |
8.4 ± 1.2 |
30.9 ± 4.8 |
88.3 ± 12.7 |
-0.39 ± 1.63 |
-0.02 ± 0.14 |
RH9 |
-2.5 ± 12.8 |
8.4 ± 1.2 |
30.9 ± 4.8 |
88.3 ± 12.7 |
-0.39 ± 1.63 |
-0.02 ± 0.14 |
RH10 |
-2.5 ± 12.8 |
8.4 ± 1.2 |
30.9 ± 4.8 |
88.3 ± 12.7 |
-0.39 ± 1.63 |
-0.02 ± 0.14 |
Average |
331.8 |
8.8 |
32.5 |
88.2 |
37.5 |
3.9 |
Median |
531.3 |
9.1 |
33.4 |
88.3 |
59.4 |
6.2 |
Deviation |
276.8 |
0.9 |
3.2 |
0.1 |
31.8 |
3.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
191.8 ± 21.7 |
46.4 ± 2.3 |
63.0 ± 13.0 |
207.6 ± 20.8 |
4.12 ± 0.28 |
0.92 ± 0.06 |
VC |
192.2 ± 18.5 |
33.2 ± 1.7 |
45.6 ± 9.4 |
210.1 ± 20.7 |
5.78 ± 0.29 |
0.92 ± 0.05 |
MX1 |
197.2 ± 20.0 |
40.2 ± 2.0 |
54.9 ± 11.3 |
208.9 ± 20.8 |
4.90 ± 0.27 |
0.94 ± 0.05 |
MX2 |
195.7 ± 20.0 |
39.9 ± 2.0 |
54.5 ± 11.2 |
209.0 ± 20.8 |
4.89 ± 0.27 |
0.94 ± 0.05 |
MX3 |
194.6 ± 20.0 |
39.8 ± 2.0 |
54.4 ± 11.2 |
209.0 ± 20.8 |
4.88 ± 0.28 |
0.93 ± 0.05 |
RH8 |
22.6 ± 61.7 |
36.6 ± 1.9 |
50.2 ± 10.3 |
209.6 ± 20.7 |
0.60 ± 1.74 |
0.11 ± 0.32 |
RH9 |
22.6 ± 61.7 |
36.6 ± 1.9 |
50.2 ± 10.3 |
209.6 ± 20.7 |
0.60 ± 1.74 |
0.11 ± 0.32 |
RH10 |
22.6 ± 61.7 |
36.6 ± 1.9 |
50.2 ± 10.3 |
209.6 ± 20.7 |
0.60 ± 1.74 |
0.11 ± 0.32 |
Average |
129.9 |
38.7 |
52.9 |
209.2 |
3.3 |
0.6 |
Median |
192.2 |
39.8 |
54.4 |
209.6 |
4.9 |
0.9 |
Deviation |
88.9 |
3.9 |
5.1 |
0.8 |
2.3 |
0.4 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00348.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00348.png)
|
Velocity
![V](wi_selv_00348.png)
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00348.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00348.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
|