Database: Wind Shock Analysis
Event ID: 19993461554
Observation time: 12/12/1999 346.66283 1554 [UT]
|
|
General
Information (About, Top)
Year |
1999 |
Fractional day of year |
346.662830 |
Arrival time of shock [seconds of day] |
57268.5 ± 18.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-12.624 |
Y GSE location of spacecraft [Re] |
-56.476 |
Z GSE location of spacecraft [Re] |
16.222 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0260 |
Downstream plasma points selected for analysis |
0007
|
Downstream field points selected for analysis |
0226 |
Minimum chisq/dof for RH8,RH9,RH10 |
2.08, 10.39, 10.71 |
Event added to database
|
Thu Nov 10 09:57:53 2005
|
Event last processed
|
Tue Mar 31 00:29:00 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-2.200 ± 0.464
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-364.2 ± 7.6 |
-503.7 ± 9.5 |
Vy GSE [km/s] |
-23.6 ± 8.0 |
-77.4 ± 9.1 |
Vz GSE [km/s] |
12.3 ± 10.2 |
-44.9 ± 39.3 |
Wi [km/s] |
21.9 ± 4.2 |
71.5 ± 8.3 |
We [km/s] |
694.0 ± 132.1 |
2261.1 ± 261.5 |
Ni [n/cc] |
0.6 ± 0.1 |
2.1 ± 0.4 |
Bx GSE [nT] |
-3.0 ± 0.2 |
-2.9 ± 0.6 |
By GSE [nT] |
3.3 ± 0.1 |
11.3 ± 1.5 |
Bz GSE [nT] |
-1.5 ± 0.2 |
-1.3 ± 1.9 |
Plasma Beta
|
0.030 ± 0.033
|
0.173 ± 0.127
|
Sound Speed [km/s]
|
28.33 ± 5.39
|
92.31 ± 10.68
|
Alfven Speed [km/s]
|
135.02 ± 16.20
|
181.63 ± 25.49
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.901 ± 0.078 |
0.057 ± 0.116 |
-0.430 ± 0.401 |
-25.48 ± 10.35 |
176.40 ± 7.40 |
VC |
-0.880 ± 0.065 |
-0.336 ± 0.055 |
-0.337 ± 0.323 |
-19.67 ± 11.28 |
200.93 ± 3.27 |
MX1 |
-0.924 ± 0.052 |
0.049 ± 0.108 |
-0.378 ± 0.359 |
-22.21 ± 7.89 |
176.94 ± 6.69 |
MX2 |
-0.931 ± 0.048 |
0.046 ± 0.105 |
-0.362 ± 0.346 |
-21.24 ± 7.48 |
177.15 ± 6.46 |
MX3 |
-0.934 ± 0.046 |
0.045 ± 0.104 |
-0.353 ± 0.338 |
-20.70 ± 7.44 |
177.24 ± 6.38 |
RH08 |
-0.991 ± 0.004 |
-0.026 ± 0.009 |
-0.128 ± 0.128 |
-7.38 ± 1.90 |
181.50 ± 0.51 |
RH09 |
-0.976 ± 0.015 |
-0.009 ± 0.071 |
-0.218 ± 0.214 |
-12.58 ± 3.96 |
180.50 ± 4.17 |
RH10 |
-0.978 ± 0.014 |
-0.009 ± 0.071 |
-0.207 ± 0.204 |
-11.93 ± 3.96 |
180.50 ± 4.16 |
Average |
-0.939 |
-0.023 |
-0.302 |
-17.650 |
181.397 |
Median |
-0.931 |
0.045 |
-0.337 |
-19.666 |
180.501 |
Deviation |
0.040 |
0.131 |
0.104 |
6.236 |
8.134 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
40.7 ± 2.4 |
538.0 ± 41.9 |
3.39 ± 0.77 |
VC |
63.8 ± 2.5 |
552.6 ± 45.7 |
3.39 ± 0.77 |
MX1 |
41.3 ± 2.5 |
549.6 ± 41.3 |
3.39 ± 0.77 |
MX2 |
41.6 ± 2.6 |
551.7 ± 41.1 |
3.39 ± 0.77 |
MX3 |
41.7 ± 2.6 |
552.7 ± 41.0 |
3.39 ± 0.77 |
RH08 |
48.7 ± 3.0 |
564.0 ± 39.9 |
3.39 ± 0.77 |
RH09 |
46.2 ± 2.9 |
560.7 ± 40.4 |
3.39 ± 0.77 |
RH10 |
46.4 ± 2.9 |
561.8 ± 40.3 |
3.39 ± 0.77 |
Average |
46.3 |
553.9 |
3.39 |
Median |
46.2 |
552.7 |
3.39 |
Deviation |
7.7 |
8.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
216.5 ± 9.4 |
21.2 ± 3.9 |
102.3 ± 12.3 |
136.4 ± 15.6 |
10.49 ± 1.81 |
1.61 ± 0.22 |
VC |
228.5 ± 11.5 |
12.2 ± 2.2 |
59.6 ± 7.2 |
137.6 ± 15.1 |
19.14 ± 3.12 |
1.68 ± 0.24 |
MX1 |
218.7 ± 9.2 |
21.0 ± 3.9 |
101.4 ± 12.2 |
136.5 ± 15.6 |
10.70 ± 1.86 |
1.62 ± 0.22 |
MX2 |
218.2 ± 9.1 |
20.9 ± 3.9 |
101.0 ± 12.1 |
136.5 ± 15.6 |
10.72 ± 1.86 |
1.62 ± 0.22 |
MX3 |
217.8 ± 9.1 |
20.9 ± 3.9 |
100.8 ± 12.1 |
136.5 ± 15.6 |
10.72 ± 1.86 |
1.62 ± 0.22 |
RH8 |
203.9 ± 8.5 |
18.4 ± 3.4 |
89.2 ± 10.7 |
136.9 ± 15.4 |
11.38 ± 1.97 |
1.51 ± 0.20 |
RH9 |
207.8 ± 8.8 |
19.3 ± 3.5 |
93.4 ± 11.2 |
136.7 ± 15.4 |
11.05 ± 1.91 |
1.54 ± 0.21 |
RH10 |
207.8 ± 8.8 |
19.3 ± 3.5 |
93.1 ± 11.2 |
136.7 ± 15.4 |
11.09 ± 1.92 |
1.54 ± 0.21 |
Average |
214.9 |
19.2 |
92.6 |
136.7 |
11.9 |
1.6 |
Median |
217.8 |
20.9 |
100.8 |
136.7 |
11.1 |
1.6 |
Deviation |
8.0 |
3.0 |
14.2 |
0.4 |
2.9 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
69.3 ± 22.1 |
65.2 ± 5.3 |
137.6 ± 19.3 |
193.7 ± 21.3 |
1.06 ± 0.33 |
0.36 ± 0.13 |
VC |
68.5 ± 18.7 |
36.5 ± 2.8 |
80.2 ± 11.3 |
201.2 ± 20.5 |
1.88 ± 0.51 |
0.35 ± 0.11 |
MX1 |
70.8 ± 20.3 |
64.5 ± 5.3 |
136.4 ± 19.1 |
193.9 ± 21.2 |
1.10 ± 0.31 |
0.37 ± 0.13 |
MX2 |
70.1 ± 19.8 |
64.2 ± 5.2 |
135.8 ± 19.1 |
194.0 ± 21.2 |
1.09 ± 0.30 |
0.37 ± 0.12 |
MX3 |
69.7 ± 19.5 |
64.1 ± 5.2 |
135.5 ± 19.0 |
194.1 ± 21.2 |
1.09 ± 0.30 |
0.37 ± 0.12 |
RH8 |
56.9 ± 12.5 |
55.9 ± 4.4 |
119.9 ± 16.8 |
196.6 ± 20.9 |
1.02 ± 0.23 |
0.30 ± 0.08 |
RH9 |
58.7 ± 15.1 |
58.8 ± 4.7 |
125.6 ± 17.6 |
195.7 ± 21.0 |
1.00 ± 0.26 |
0.31 ± 0.10 |
RH10 |
59.1 ± 14.8 |
58.6 ± 4.7 |
125.3 ± 17.6 |
195.8 ± 21.0 |
1.01 ± 0.25 |
0.31 ± 0.09 |
Average |
65.4 |
58.5 |
124.6 |
195.6 |
1.2 |
0.3 |
Median |
69.3 |
64.1 |
135.5 |
195.7 |
1.1 |
0.4 |
Deviation |
6.0 |
9.5 |
19.1 |
2.5 |
0.3 |
0.0 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
Theta Bn (About, Top)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
|