Database: Wind Shock Analysis
Event ID: 19960990241
Observation time: 04/08/1996 99.11193 0241 [UT]
|
![Wind spacecraft](../windsm.gif)
|
General
Information (About, Top)
Year |
1996 |
Fractional day of year |
99.111927 |
Arrival time of shock [seconds of day] |
9670.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
82.966 |
Y GSE location of spacecraft [Re] |
25.511 |
Z GSE location of spacecraft [Re] |
-2.530 |
Upstream plasma points selected for analysis |
0009 |
Upstream field points selected for analysis |
0272 |
Downstream plasma points selected for analysis |
0010
|
Downstream field points selected for analysis |
0287 |
Minimum chisq/dof for RH8,RH9,RH10 |
20.93, 42.41, 54.77 |
Event added to database
|
Mon Feb 14 11:02:22 2005
|
Event last processed
|
Mon Mar 30 16:10:58 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
23.228 ± 8.778
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-282.3 ± 2.1 |
-293.1 ± 0.8 |
Vy GSE [km/s] |
-24.9 ± 1.6 |
-35.0 ± 1.4 |
Vz GSE [km/s] |
-8.2 ± 1.3 |
18.3 ± 1.5 |
Wi [km/s] |
15.2 ± 0.2 |
18.2 ± 0.2 |
We [km/s] |
480.5 ± 5.9 |
575.8 ± 6.4 |
Ni [n/cc] |
15.8 ± 0.2 |
26.4 ± 0.4 |
Bx GSE [nT] |
-3.8 ± 0.3 |
-6.5 ± 0.2 |
By GSE [nT] |
4.0 ± 0.4 |
6.2 ± 0.3 |
Bz GSE [nT] |
1.4 ± 0.2 |
0.8 ± 0.1 |
Plasma Beta
|
0.233 ± 0.232
|
0.227 ± 0.224
|
Sound Speed [km/s]
|
19.62 ± 0.24
|
23.51 ± 0.26
|
Alfven Speed [km/s]
|
31.51 ± 0.39
|
38.29 ± 0.86
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.875 ± 0.488 |
-0.101 ± 1.010 |
0.473 ± 0.434 |
28.21 ± 57.87 |
186.56 ± 65.98 |
VC |
-0.358 ± 0.064 |
-0.334 ± 0.061 |
0.872 ± 0.519 |
60.69 ± 5.52 |
222.98 ± 3.28 |
MX1 |
-0.436 ± 0.085 |
-0.226 ± 0.078 |
0.871 ± 0.519 |
60.57 ± 5.75 |
207.43 ± 8.73 |
MX2 |
-0.441 ± 0.077 |
-0.241 ± 0.069 |
0.865 ± 0.525 |
59.83 ± 5.35 |
208.71 ± 7.41 |
MX3 |
-0.448 ± 0.070 |
-0.261 ± 0.061 |
0.855 ± 0.532 |
58.75 ± 4.95 |
210.22 ± 6.13 |
RH08 |
-0.378 ± 0.027 |
-0.261 ± 0.022 |
0.888 ± 0.502 |
62.66 ± 2.00 |
214.60 ± 2.00 |
RH09 |
0.090 ± 0.054 |
0.317 ± 0.068 |
0.944 ± 0.407 |
70.76 ± 4.18 |
74.21 ± 9.07 |
RH10 |
0.090 ± 0.070 |
0.317 ± 0.066 |
0.944 ± 0.407 |
70.76 ± 4.00 |
74.21 ± 12.18 |
Average |
-0.345 |
-0.099 |
0.839 |
59.028 |
174.863 |
Median |
-0.378 |
-0.226 |
0.872 |
60.694 |
208.709 |
Deviation |
0.314 |
0.265 |
0.152 |
13.330 |
62.963 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
51.0 ± 3.7 |
303.5 ± 3.2 |
1.68 ± 0.03 |
VC |
77.3 ± 1.2 |
178.9 ± 4.1 |
1.68 ± 0.03 |
MX1 |
69.7 ± 1.2 |
197.5 ± 3.9 |
1.68 ± 0.03 |
MX2 |
70.3 ± 1.3 |
199.4 ± 3.9 |
1.68 ± 0.03 |
MX3 |
71.0 ± 1.3 |
202.2 ± 3.9 |
1.68 ± 0.03 |
RH08 |
73.3 ± 1.1 |
182.3 ± 4.0 |
1.68 ± 0.03 |
RH09 |
66.8 ± 3.6 |
10.6 ± 4.4 |
1.68 ± 0.03 |
RH10 |
66.8 ± 3.6 |
10.6 ± 4.4 |
1.68 ± 0.03 |
Average |
68.3 |
160.6 |
1.68 |
Median |
70.3 |
197.5 |
1.68 |
Deviation |
7.8 |
100.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
57.8 ± 1.5 |
11.0 ± 0.1 |
19.9 ± 0.2 |
35.5 ± 0.4 |
5.26 ± 0.18 |
1.63 ± 0.06 |
VC |
76.7 ± 0.7 |
3.7 ± 0.0 |
6.9 ± 0.1 |
36.9 ± 0.4 |
20.86 ± 0.28 |
2.08 ± 0.03 |
MX1 |
76.0 ± 0.7 |
5.8 ± 0.1 |
10.9 ± 0.1 |
36.7 ± 0.4 |
13.01 ± 0.18 |
2.07 ± 0.03 |
MX2 |
76.1 ± 0.7 |
5.7 ± 0.1 |
10.6 ± 0.1 |
36.7 ± 0.4 |
13.38 ± 0.19 |
2.07 ± 0.03 |
MX3 |
76.2 ± 0.7 |
5.5 ± 0.1 |
10.3 ± 0.1 |
36.7 ± 0.4 |
13.88 ± 0.20 |
2.08 ± 0.03 |
RH8 |
76.4 ± 0.7 |
4.8 ± 0.0 |
9.1 ± 0.1 |
36.8 ± 0.4 |
15.80 ± 0.20 |
2.08 ± 0.03 |
RH9 |
51.5 ± 1.8 |
6.7 ± 0.1 |
12.4 ± 0.2 |
36.5 ± 0.4 |
7.72 ± 0.23 |
1.41 ± 0.04 |
RH10 |
51.5 ± 1.8 |
6.7 ± 0.1 |
12.4 ± 0.2 |
36.5 ± 0.4 |
7.72 ± 0.23 |
1.41 ± 0.04 |
Average |
67.8 |
6.2 |
11.6 |
36.5 |
12.2 |
1.9 |
Median |
76.1 |
5.8 |
10.9 |
36.7 |
13.4 |
2.1 |
Deviation |
11.9 |
2.2 |
3.8 |
0.5 |
5.1 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
34.7 ± 1.3 |
13.2 ± 0.1 |
24.1 ± 0.5 |
43.0 ± 0.7 |
2.63 ± 0.10 |
0.81 ± 0.04 |
VC |
46.3 ± 1.7 |
4.4 ± 0.0 |
8.4 ± 0.2 |
44.7 ± 0.7 |
10.47 ± 0.39 |
1.04 ± 0.05 |
MX1 |
45.8 ± 1.6 |
7.0 ± 0.1 |
13.3 ± 0.3 |
44.4 ± 0.7 |
6.53 ± 0.24 |
1.03 ± 0.05 |
MX2 |
45.9 ± 1.6 |
6.8 ± 0.1 |
12.9 ± 0.3 |
44.4 ± 0.7 |
6.72 ± 0.25 |
1.03 ± 0.05 |
MX3 |
46.0 ± 1.6 |
6.6 ± 0.1 |
12.5 ± 0.3 |
44.4 ± 0.7 |
6.97 ± 0.26 |
1.04 ± 0.05 |
RH8 |
46.1 ± 1.7 |
5.8 ± 0.0 |
11.0 ± 0.2 |
44.6 ± 0.7 |
7.92 ± 0.29 |
1.03 ± 0.05 |
RH9 |
30.7 ± 1.3 |
8.0 ± 0.1 |
15.1 ± 0.3 |
44.2 ± 0.7 |
3.83 ± 0.17 |
0.70 ± 0.03 |
RH10 |
30.7 ± 1.3 |
8.0 ± 0.1 |
15.1 ± 0.3 |
44.2 ± 0.7 |
3.83 ± 0.17 |
0.70 ± 0.03 |
Average |
40.8 |
7.5 |
14.1 |
44.2 |
6.1 |
0.9 |
Median |
45.9 |
7.0 |
13.3 |
44.4 |
6.7 |
1.0 |
Deviation |
7.3 |
2.6 |
4.6 |
0.5 |
2.6 |
0.2 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00044.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00044.png)
|
Velocity
![V](wi_selv_00044.png)
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00044.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00044.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
|