Database: Wind Shock Analysis
Event ID: 19980631102
Observation time: 03/04/1998 63.46026 1102 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
63.460260 |
| Arrival time of shock [seconds of day] |
39766.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
234.658 |
| Y GSE location of spacecraft [Re] |
-17.820 |
| Z GSE location of spacecraft [Re] |
-27.388 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0325 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0224 |
| Minimum chisq/dof for RH8,RH9,RH10 |
*********,*********,********* |
Event added to database
|
Mon Feb 14 11:06:04 2005
|
Event last processed
|
Mon Mar 30 17:36:22 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-0.711 ± 142.648
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-350.1 ± 0.9 |
-392.8 ± 4.4 |
| Vy GSE [km/s] |
8.2 ± 1.1 |
11.9 ± 7.6 |
| Vz GSE [km/s] |
-10.1 ± 5.5 |
-27.4 ± 9.9 |
| Wi [km/s] |
26.9 ± 1.4 |
34.5 ± 3.9 |
| We [km/s] |
849.4 ± 42.8 |
1091.0 ± 123.3 |
| Ni [n/cc] |
4.7 ± 0.2 |
5.5 ± 1.7 |
| Bx GSE [nT] |
2.1 ± 0.2 |
1.4 ± 0.4 |
| By GSE [nT] |
-0.6 ± 0.3 |
0.1 ± 0.9 |
| Bz GSE [nT] |
-2.3 ± 0.1 |
-5.6 ± 0.4 |
Plasma Beta
|
0.726 ± 0.760
|
0.390 ± 0.399
|
Sound Speed [km/s]
|
34.68 ± 1.75
|
44.54 ± 5.03
|
Alfven Speed [km/s]
|
31.70 ± 1.34
|
56.75 ± 10.35
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.920 ± 0.069 |
0.299 ± 0.178 |
0.253 ± 0.248 |
14.67 ± 8.87 |
162.02 ± 11.04 |
| VC |
-0.934 ± 0.068 |
0.078 ± 0.146 |
-0.350 ± 0.335 |
-20.48 ± 10.93 |
175.20 ± 8.94 |
| MX1 |
-0.964 ± 0.032 |
0.162 ± 0.099 |
0.212 ± 0.208 |
12.22 ± 7.47 |
170.46 ± 5.90 |
| MX2 |
-0.984 ± 0.018 |
0.051 ± 0.168 |
0.169 ± 0.167 |
9.73 ± 5.39 |
177.02 ± 9.77 |
| MX3 |
-0.991 ± 0.015 |
-0.035 ± 0.250 |
0.133 ± 0.132 |
7.63 ± 5.31 |
182.03 ± 14.46 |
| 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 |
-0.588 |
0.134 |
0.421 |
******* |
******* |
| Median |
-0.920 |
0.171 |
0.253 |
7.634 |
170.455 |
| Deviation |
0.512 |
0.100 |
0.502 |
******* |
******* |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
31.7 ± 3.5 |
424.2 ± 2528.3 |
1.43 ± 0.23 |
| VC |
67.4 ± 3.0 |
454.2 ± 3816.4 |
1.43 ± 0.23 |
| MX1 |
34.6 ± 3.1 |
443.9 ± 2827.8 |
1.43 ± 0.23 |
| MX2 |
38.3 ± 3.0 |
453.3 ± 3036.1 |
1.43 ± 0.23 |
| MX3 |
41.7 ± 3.0 |
455.5 ± 3170.4 |
1.43 ± 0.23 |
| RH08 |
43.9 ± 3.0 |
-52.9 ± 2033.6 |
1.43 ± 0.23 |
| RH09 |
43.9 ± 3.0 |
-52.9 ± 2033.6 |
1.43 ± 0.23 |
| RH10 |
43.9 ± 3.0 |
-52.9 ± 2033.6 |
1.43 ± 0.23 |
| Average |
43.2 |
259.0 |
1.43 |
| Median |
43.9 |
443.9 |
1.43 |
| Deviation |
10.8 |
258.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
102.2 ± 0.5 |
22.7 ± 0.3 |
27.0 ± 1.1 |
41.2 ± 0.7 |
4.51 ± 0.05 |
2.48 ± 0.04 |
| VC |
123.3 ± 2.8 |
9.1 ± 0.1 |
12.2 ± 0.5 |
46.1 ± 0.7 |
13.50 ± 0.48 |
2.67 ± 0.10 |
| MX1 |
107.3 ± 0.3 |
21.7 ± 0.3 |
26.1 ± 1.1 |
41.7 ± 0.7 |
4.96 ± 0.06 |
2.57 ± 0.04 |
| MX2 |
110.0 ± 0.3 |
20.3 ± 0.3 |
24.9 ± 1.0 |
42.4 ± 0.7 |
5.41 ± 0.08 |
2.60 ± 0.04 |
| MX3 |
110.4 ± 0.3 |
19.1 ± 0.3 |
23.7 ± 1.0 |
43.0 ± 0.7 |
5.79 ± 0.09 |
2.57 ± 0.04 |
| RH8 |
-33.8 ± 5.4 |
18.2 ± 0.3 |
22.8 ± 1.0 |
43.3 ± 0.7 |
-1.86 ± 0.32 |
-0.78 ± 0.14 |
| RH9 |
-33.8 ± 5.4 |
18.2 ± 0.3 |
22.8 ± 1.0 |
43.3 ± 0.7 |
-1.86 ± 0.32 |
-0.78 ± 0.14 |
| RH10 |
-33.8 ± 5.4 |
18.2 ± 0.3 |
22.8 ± 1.0 |
43.3 ± 0.7 |
-1.86 ± 0.32 |
-0.78 ± 0.14 |
| Average |
56.5 |
18.4 |
22.8 |
43.1 |
3.6 |
1.3 |
| Median |
107.3 |
19.1 |
23.7 |
43.3 |
5.0 |
2.6 |
| Deviation |
75.0 |
4.1 |
4.6 |
1.5 |
5.3 |
1.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
66.2 ± 3.6 |
33.4 ± 3.7 |
48.3 ± 8.8 |
64.1 ± 9.7 |
2.01 ± 0.29 |
1.06 ± 0.19 |
| VC |
77.0 ± 6.8 |
13.6 ± 1.6 |
21.8 ± 4.0 |
71.0 ± 10.1 |
5.76 ± 1.02 |
1.11 ± 0.22 |
| MX1 |
69.2 ± 3.5 |
32.0 ± 3.6 |
46.7 ± 8.5 |
64.8 ± 9.7 |
2.20 ± 0.33 |
1.09 ± 0.20 |
| MX2 |
70.7 ± 3.6 |
30.0 ± 3.4 |
44.5 ± 8.1 |
65.8 ± 9.8 |
2.39 ± 0.36 |
1.10 ± 0.20 |
| MX3 |
70.5 ± 3.8 |
28.2 ± 3.2 |
42.4 ± 7.7 |
66.6 ± 9.8 |
2.54 ± 0.40 |
1.08 ± 0.20 |
| RH8 |
-16.1 ± 9.6 |
27.0 ± 3.1 |
40.9 ± 7.5 |
67.1 ± 9.8 |
-0.61 ± 0.36 |
-0.25 ± 0.15 |
| RH9 |
-16.1 ± 9.6 |
27.0 ± 3.1 |
40.9 ± 7.5 |
67.1 ± 9.8 |
-0.61 ± 0.36 |
-0.25 ± 0.15 |
| RH10 |
-16.1 ± 9.6 |
27.0 ± 3.1 |
40.9 ± 7.5 |
67.1 ± 9.8 |
-0.61 ± 0.36 |
-0.25 ± 0.15 |
| Average |
38.2 |
27.3 |
40.8 |
66.7 |
1.6 |
0.6 |
| Median |
69.2 |
28.2 |
42.4 |
67.1 |
2.2 |
1.1 |
| Deviation |
45.1 |
6.0 |
8.2 |
2.1 |
2.2 |
0.7 |
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)
| 
