Database: Wind Shock Analysis
Event ID: 20072981042
Observation time: 10/25/2007 298.44634 1042 [UT]
|
![Wind spacecraft](../windsm.gif)
|
General
Information (About, Top)
Year |
2007 |
Fractional day of year |
298.446337 |
Arrival time of shock [seconds of day] |
38563.5 ± 30.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
208.304 |
Y GSE location of spacecraft [Re] |
91.274 |
Z GSE location of spacecraft [Re] |
-2.822 |
Upstream plasma points selected for analysis |
0005 |
Upstream field points selected for analysis |
0150 |
Downstream plasma points selected for analysis |
0006
|
Downstream field points selected for analysis |
0190 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.66, 15.86, 16.76 |
Event added to database
|
Thu Sep 26 11:19:50 2013
|
Event last processed
|
Thu Sep 26 12:27:34 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
48.588 ± 1.706
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-359.1 ± 1.1 |
-415.7 ± 1.9 |
Vy GSE [km/s] |
-25.8 ± 1.5 |
-36.0 ± 2.4 |
Vz GSE [km/s] |
-4.5 ± 1.0 |
19.9 ± 1.9 |
Wi [km/s] |
22.4 ± 0.8 |
34.9 ± 2.1 |
We [km/s] |
706.9 ± 23.8 |
1102.3 ± 67.3 |
Ni [n/cc] |
8.4 ± 0.6 |
20.6 ± 1.5 |
Bx GSE [nT] |
-2.0 ± 0.6 |
-5.1 ± 1.7 |
By GSE [nT] |
-0.1 ± 0.9 |
1.7 ± 4.7 |
Bz GSE [nT] |
-2.0 ± 0.5 |
-6.1 ± 2.1 |
Plasma Beta
|
0.969 ± 0.950
|
0.604 ± 0.556
|
Sound Speed [km/s]
|
28.86 ± 0.97
|
45.00 ± 2.75
|
Alfven Speed [km/s]
|
22.76 ± 1.16
|
45.57 ± 5.09
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.881 ± 0.267 |
-0.305 ± 0.663 |
-0.360 ± 0.344 |
-21.12 ± 23.11 |
199.11 ± 42.97 |
VC |
-0.906 ± 0.015 |
-0.164 ± 0.044 |
0.390 ± 0.369 |
22.97 ± 1.92 |
190.24 ± 2.75 |
MX1 |
-0.885 ± 0.186 |
-0.265 ± 0.250 |
0.382 ± 0.363 |
22.48 ± 26.82 |
196.68 ± 15.82 |
MX2 |
-0.845 ± 0.076 |
-0.284 ± 0.139 |
0.452 ± 0.418 |
26.87 ± 8.00 |
198.59 ± 9.34 |
MX3 |
-0.854 ± 0.066 |
-0.306 ± 0.145 |
0.421 ± 0.394 |
24.88 ± 5.91 |
199.73 ± 9.67 |
RH08 |
-0.981 ± 0.005 |
-0.060 ± 0.022 |
0.184 ± 0.182 |
10.62 ± 1.38 |
183.51 ± 1.31 |
RH09 |
-0.998 ± 0.005 |
0.061 ± 0.068 |
-0.028 ± 0.028 |
-1.60 ± 4.06 |
176.49 ± 3.91 |
RH10 |
-0.997 ± 0.005 |
0.061 ± 0.068 |
-0.039 ± 0.039 |
-2.24 ± 4.06 |
176.49 ± 3.91 |
Average |
-0.919 |
-0.158 |
0.175 |
10.358 |
190.104 |
Median |
-0.885 |
-0.164 |
0.382 |
22.480 |
196.678 |
Deviation |
0.064 |
0.159 |
0.293 |
17.246 |
10.022 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
32.7 ± 8.5 |
401.2 ± 0.9 |
2.44 ± 0.25 |
VC |
69.0 ± 12.0 |
433.2 ± 1.2 |
2.44 ± 0.25 |
MX1 |
69.5 ± 10.2 |
427.7 ± 1.2 |
2.44 ± 0.25 |
MX2 |
74.0 ± 9.7 |
413.1 ± 1.2 |
2.44 ± 0.25 |
MX3 |
72.4 ± 9.4 |
416.8 ± 1.2 |
2.44 ± 0.25 |
RH08 |
56.6 ± 14.3 |
455.8 ± 1.2 |
2.44 ± 0.25 |
RH09 |
44.7 ± 17.0 |
450.7 ± 1.1 |
2.44 ± 0.25 |
RH10 |
44.1 ± 17.1 |
450.2 ± 6.0 |
2.44 ± 0.25 |
Average |
57.9 |
431.1 |
2.44 |
Median |
69.0 |
433.2 |
2.44 |
Deviation |
15.7 |
20.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
75.2 ± 0.9 |
16.9 ± 0.7 |
19.1 ± 1.0 |
32.6 ± 1.1 |
4.45 ± 0.23 |
2.31 ± 0.10 |
VC |
105.3 ± 1.5 |
6.5 ± 0.3 |
8.2 ± 0.4 |
36.2 ± 1.3 |
16.19 ± 0.81 |
2.92 ± 0.13 |
MX1 |
104.7 ± 1.5 |
6.3 ± 0.3 |
8.0 ± 0.4 |
36.2 ± 1.3 |
16.53 ± 0.84 |
2.90 ± 0.13 |
MX2 |
104.2 ± 1.5 |
5.0 ± 0.2 |
6.3 ± 0.3 |
36.4 ± 1.3 |
20.95 ± 1.07 |
2.87 ± 0.13 |
MX3 |
104.1 ± 1.5 |
5.5 ± 0.2 |
6.9 ± 0.4 |
36.3 ± 1.3 |
19.04 ± 0.97 |
2.87 ± 0.13 |
RH8 |
102.8 ± 1.3 |
10.2 ± 0.4 |
12.5 ± 0.6 |
35.3 ± 1.2 |
10.06 ± 0.50 |
2.92 ± 0.13 |
RH9 |
93.9 ± 1.1 |
13.7 ± 0.6 |
16.2 ± 0.8 |
34.1 ± 1.2 |
6.88 ± 0.33 |
2.75 ± 0.12 |
RH10 |
93.4 ± 1.0 |
13.8 ± 0.6 |
16.3 ± 0.8 |
34.1 ± 1.2 |
6.76 ± 0.33 |
2.75 ± 0.12 |
Average |
98.0 |
9.8 |
11.7 |
35.2 |
12.6 |
2.8 |
Median |
104.1 |
10.2 |
12.5 |
36.2 |
16.2 |
2.9 |
Deviation |
10.4 |
4.6 |
5.0 |
1.4 |
6.3 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
31.0 ± 1.8 |
30.5 ± 2.3 |
38.3 ± 4.3 |
56.4 ± 3.9 |
1.02 ± 0.07 |
0.55 ± 0.04 |
VC |
42.9 ± 1.2 |
11.6 ± 0.9 |
16.4 ± 1.8 |
63.1 ± 4.4 |
3.70 ± 0.25 |
0.68 ± 0.04 |
MX1 |
42.7 ± 1.1 |
11.3 ± 0.8 |
15.9 ± 1.8 |
63.1 ± 4.4 |
3.78 ± 0.28 |
0.68 ± 0.05 |
MX2 |
42.5 ± 1.0 |
8.9 ± 0.6 |
12.6 ± 1.4 |
63.5 ± 4.4 |
4.79 ± 0.36 |
0.67 ± 0.05 |
MX3 |
42.4 ± 1.0 |
9.8 ± 0.7 |
13.8 ± 1.5 |
63.4 ± 4.4 |
4.36 ± 0.33 |
0.67 ± 0.05 |
RH8 |
42.2 ± 1.6 |
18.3 ± 1.3 |
25.1 ± 2.8 |
61.5 ± 4.3 |
2.31 ± 0.14 |
0.69 ± 0.04 |
RH9 |
38.8 ± 2.0 |
24.5 ± 1.8 |
32.4 ± 3.6 |
59.3 ± 4.1 |
1.58 ± 0.08 |
0.66 ± 0.03 |
RH10 |
38.6 ± 2.0 |
24.8 ± 1.8 |
32.7 ± 3.7 |
59.1 ± 4.1 |
1.56 ± 0.08 |
0.65 ± 0.03 |
Average |
40.1 |
17.5 |
23.4 |
61.2 |
2.9 |
0.7 |
Median |
42.4 |
18.3 |
25.1 |
63.1 |
3.7 |
0.7 |
Deviation |
4.1 |
8.3 |
10.1 |
2.6 |
1.4 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00461.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00461.png)
|
Velocity
![V](wi_selv_00461.png)
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00461.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00461.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
|