Database: Wind Shock Analysis
Event ID: 19950091253
Observation time: 01/09/1995 9.53682 1253 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
9.536823 |
| Arrival time of shock [seconds of day] |
46381.5 ± 60.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
127.136 |
| Y GSE location of spacecraft [Re] |
-76.280 |
| Z GSE location of spacecraft [Re] |
-9.700 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0253 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0273 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.23, 22.88, 2.84 |
Event added to database
|
Mon Feb 14 10:59:51 2005
|
Event last processed
|
Wed Mar 25 12:39:16 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
56.246 ± 14.903
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-460.1 ± 1.8 |
-477.9 ± 4.0 |
| Vy GSE [km/s] |
-5.8 ± 1.4 |
4.4 ± 4.4 |
| Vz GSE [km/s] |
26.4 ± 1.9 |
8.9 ± 3.5 |
| Wi [km/s] |
27.1 ± 0.6 |
40.1 ± 2.6 |
| We [km/s] |
857.5 ± 18.1 |
1269.5 ± 82.2 |
| Ni [n/cc] |
1.8 ± 0.1 |
3.5 ± 0.3 |
| Bx GSE [nT] |
5.4 ± 0.0 |
2.2 ± 1.6 |
| By GSE [nT] |
-0.3 ± 0.2 |
-1.8 ± 1.1 |
| Bz GSE [nT] |
0.7 ± 0.2 |
1.6 ± 0.8 |
Plasma Beta
|
0.093 ± 0.093
|
0.817 ± 0.778
|
Sound Speed [km/s]
|
35.01 ± 0.74
|
51.83 ± 3.35
|
Alfven Speed [km/s]
|
89.11 ± 1.76
|
44.92 ± 3.33
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.631 ± 0.280 |
0.690 ± 0.270 |
-0.355 ± 0.339 |
-20.77 ± 33.92 |
132.41 ± 20.08 |
| VC |
-0.666 ± 0.107 |
0.388 ± 0.155 |
-0.638 ± 0.533 |
-39.61 ± 6.23 |
149.76 ± 13.02 |
| MX1 |
-0.789 ± 0.420 |
0.302 ± 0.606 |
-0.535 ± 0.477 |
-32.36 ± 40.61 |
159.03 ± 42.93 |
| MX2 |
-0.863 ± 0.373 |
0.113 ± 0.804 |
-0.493 ± 0.448 |
-29.53 ± 42.02 |
172.55 ± 53.30 |
| MX3 |
-0.790 ± 0.398 |
0.330 ± 0.658 |
-0.517 ± 0.465 |
-31.14 ± 35.08 |
157.30 ± 46.94 |
| RH08 |
-0.372 ± 0.012 |
0.720 ± 0.012 |
-0.587 ± 0.508 |
-35.92 ± 1.14 |
117.33 ± 0.86 |
| RH09 |
-0.457 ± 0.063 |
0.722 ± 0.049 |
-0.520 ± 0.467 |
-31.30 ± 4.01 |
122.34 ± 4.76 |
| RH10 |
-0.110 ± 0.043 |
0.673 ± 0.053 |
0.732 ± 0.560 |
47.04 ± 4.16 |
99.28 ± 3.56 |
| Average |
-0.585 |
0.492 |
-0.364 |
-21.698 |
138.750 |
| Median |
-0.631 |
0.673 |
-0.517 |
-31.138 |
149.760 |
| Deviation |
0.255 |
0.237 |
0.450 |
28.298 |
24.917 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
45.1 ± 1.6 |
328.5 ± 7.1 |
1.95 ± 0.29 |
| VC |
40.8 ± 2.0 |
344.0 ± 7.1 |
1.95 ± 0.29 |
| MX1 |
30.4 ± 2.1 |
402.3 ± 7.2 |
1.95 ± 0.29 |
| MX2 |
23.0 ± 2.3 |
434.0 ± 7.5 |
1.95 ± 0.29 |
| MX3 |
30.4 ± 2.0 |
403.2 ± 7.2 |
1.95 ± 0.29 |
| RH08 |
61.4 ± 1.7 |
202.5 ± 8.2 |
1.95 ± 0.29 |
| RH09 |
56.2 ± 1.7 |
243.6 ± 7.8 |
1.95 ± 0.29 |
| RH10 |
86.6 ± 2.3 |
57.6 ± 2.8 |
1.95 ± 0.29 |
| Average |
46.7 |
302.0 |
1.95 |
| Median |
45.1 |
344.0 |
1.95 |
| Deviation |
20.8 |
127.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
51.8 ± 1.2 |
23.7 ± 0.5 |
62.9 ± 1.2 |
92.7 ± 1.7 |
2.18 ± 0.04 |
0.56 ± 0.02 |
| VC |
56.9 ± 1.3 |
25.6 ± 0.5 |
67.5 ± 1.3 |
92.2 ± 1.7 |
2.22 ± 0.04 |
0.62 ± 0.02 |
| MX1 |
55.3 ± 1.2 |
29.5 ± 0.6 |
76.9 ± 1.5 |
91.1 ± 1.7 |
1.87 ± 0.04 |
0.61 ± 0.02 |
| MX2 |
50.8 ± 1.2 |
31.8 ± 0.6 |
82.0 ± 1.6 |
90.3 ± 1.7 |
1.60 ± 0.05 |
0.56 ± 0.02 |
| MX3 |
55.5 ± 1.2 |
29.6 ± 0.6 |
76.9 ± 1.5 |
91.1 ± 1.7 |
1.88 ± 0.04 |
0.61 ± 0.02 |
| RH8 |
51.1 ± 1.7 |
15.8 ± 0.3 |
42.7 ± 0.8 |
94.4 ± 1.6 |
3.23 ± 0.06 |
0.54 ± 0.02 |
| RH9 |
51.3 ± 1.5 |
18.4 ± 0.3 |
49.5 ± 1.0 |
93.9 ± 1.6 |
2.78 ± 0.05 |
0.55 ± 0.02 |
| RH10 |
-8.4 ± 0.9 |
1.9 ± 0.0 |
5.3 ± 0.1 |
95.7 ± 1.6 |
-4.36 ± 0.46 |
-0.09 ± 0.01 |
| Average |
45.5 |
22.1 |
58.0 |
92.7 |
1.4 |
0.5 |
| Median |
51.8 |
25.6 |
67.5 |
92.7 |
2.2 |
0.6 |
| Deviation |
21.9 |
9.9 |
25.3 |
1.9 |
2.4 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
27.3 ± 4.1 |
25.8 ± 1.3 |
31.7 ± 2.3 |
63.7 ± 2.8 |
1.06 ± 0.15 |
0.43 ± 0.06 |
| VC |
29.9 ± 4.1 |
28.1 ± 1.4 |
34.0 ± 2.5 |
62.7 ± 2.8 |
1.06 ± 0.13 |
0.48 ± 0.07 |
| MX1 |
28.8 ± 3.9 |
33.4 ± 1.7 |
38.7 ± 2.9 |
60.0 ± 2.7 |
0.86 ± 0.11 |
0.48 ± 0.07 |
| MX2 |
25.6 ± 3.8 |
36.9 ± 2.0 |
41.3 ± 3.1 |
57.9 ± 2.6 |
0.69 ± 0.10 |
0.44 ± 0.07 |
| MX3 |
29.0 ± 3.9 |
33.4 ± 1.7 |
38.8 ± 2.9 |
60.0 ± 2.7 |
0.87 ± 0.11 |
0.48 ± 0.07 |
| RH8 |
26.8 ± 4.8 |
16.7 ± 0.8 |
21.5 ± 1.6 |
66.6 ± 2.9 |
1.61 ± 0.27 |
0.40 ± 0.07 |
| RH9 |
26.6 ± 4.6 |
19.6 ± 1.0 |
25.0 ± 1.8 |
65.8 ± 2.9 |
1.36 ± 0.22 |
0.41 ± 0.07 |
| RH10 |
-4.4 ± 1.3 |
2.0 ± 0.1 |
2.7 ± 0.2 |
68.6 ± 3.0 |
-2.20 ± 0.66 |
-0.06 ± 0.02 |
| Average |
23.7 |
24.5 |
29.2 |
63.2 |
0.7 |
0.4 |
| Median |
27.3 |
28.1 |
34.0 |
63.7 |
1.1 |
0.4 |
| Deviation |
11.4 |
11.5 |
12.8 |
3.7 |
1.2 |
0.2 |
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)
| 
