Database: Wind Shock Analysis
Event ID: 19971451349
Observation time: 05/25/1997 145.57634 1349 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
145.576337 |
| Arrival time of shock [seconds of day] |
49795.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
155.854 |
| Y GSE location of spacecraft [Re] |
14.612 |
| Z GSE location of spacecraft [Re] |
8.838 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0293 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0241 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.18, 16.28, 22.19 |
Event added to database
|
Mon Feb 14 11:04:46 2005
|
Event last processed
|
Mon Mar 30 16:59:53 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
43.188 ± 1.881
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-292.9 ± 1.5 |
-318.3 ± 2.9 |
| Vy GSE [km/s] |
1.0 ± 0.6 |
-1.7 ± 1.5 |
| Vz GSE [km/s] |
-12.6 ± 0.8 |
-20.6 ± 2.0 |
| Wi [km/s] |
26.4 ± 0.4 |
29.4 ± 0.4 |
| We [km/s] |
835.1 ± 12.5 |
931.0 ± 12.3 |
| Ni [n/cc] |
9.3 ± 0.2 |
13.6 ± 0.3 |
| Bx GSE [nT] |
-1.0 ± 0.3 |
-1.5 ± 0.7 |
| By GSE [nT] |
3.7 ± 0.2 |
5.3 ± 0.4 |
| Bz GSE [nT] |
2.6 ± 0.2 |
4.4 ± 0.5 |
Plasma Beta
|
0.627 ± 0.624
|
0.487 ± 0.495
|
Sound Speed [km/s]
|
34.09 ± 0.51
|
38.01 ± 0.50
|
Alfven Speed [km/s]
|
33.36 ± 0.61
|
42.25 ± 1.32
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.934 ± 0.294 |
-0.350 ± 0.780 |
0.075 ± 0.074 |
4.28 ± 25.45 |
200.54 ± 47.84 |
| VC |
-0.947 ± 0.031 |
-0.096 ± 0.054 |
-0.306 ± 0.297 |
-17.85 ± 5.75 |
185.81 ± 3.23 |
| MX1 |
-0.970 ± 0.043 |
-0.028 ± 0.192 |
-0.243 ± 0.238 |
-14.09 ± 9.94 |
181.68 ± 11.37 |
| MX2 |
-0.968 ± 0.046 |
-0.019 ± 0.168 |
-0.248 ± 0.243 |
-14.39 ± 10.55 |
181.13 ± 9.97 |
| MX3 |
-0.967 ± 0.051 |
-0.009 ± 0.145 |
-0.254 ± 0.248 |
-14.72 ± 11.40 |
180.53 ± 8.57 |
| RH08 |
-0.976 ± 0.003 |
-0.009 ± 0.009 |
-0.218 ± 0.214 |
-12.58 ± 0.73 |
180.50 ± 0.54 |
| RH09 |
-0.571 ± 0.048 |
0.563 ± 0.048 |
-0.598 ± 0.514 |
-36.71 ± 3.65 |
135.38 ± 4.05 |
| RH10 |
-0.627 ± 0.055 |
0.537 ± 0.059 |
-0.564 ± 0.495 |
-34.35 ± 4.00 |
139.39 ± 4.87 |
| Average |
-0.870 |
0.074 |
-0.295 |
-17.551 |
173.119 |
| Median |
-0.947 |
-0.009 |
-0.248 |
-14.386 |
181.126 |
| Deviation |
0.169 |
0.315 |
0.212 |
12.987 |
23.060 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
87.6 ± 4.9 |
349.9 ± 10.1 |
1.46 ± 0.06 |
| VC |
87.3 ± 3.9 |
366.9 ± 8.0 |
1.46 ± 0.06 |
| MX1 |
87.3 ± 4.0 |
372.8 ± 8.2 |
1.46 ± 0.06 |
| MX2 |
87.0 ± 4.0 |
372.6 ± 8.2 |
1.46 ± 0.06 |
| MX3 |
86.7 ± 3.9 |
372.1 ± 8.1 |
1.46 ± 0.06 |
| RH08 |
85.5 ± 4.0 |
374.1 ± 8.3 |
1.46 ± 0.06 |
| RH09 |
76.1 ± 2.4 |
232.4 ± 3.9 |
1.46 ± 0.06 |
| RH10 |
75.5 ± 2.4 |
252.3 ± 4.0 |
1.46 ± 0.06 |
| Average |
84.1 |
336.6 |
1.46 |
| Median |
87.0 |
372.1 |
1.46 |
| Deviation |
5.2 |
58.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
77.7 ± 1.5 |
1.0 ± 0.0 |
1.4 ± 0.0 |
47.7 ± 0.6 |
78.80 ± 1.68 |
1.63 ± 0.04 |
| VC |
85.8 ± 1.3 |
1.1 ± 0.0 |
1.6 ± 0.0 |
47.7 ± 0.6 |
77.12 ± 1.48 |
1.80 ± 0.03 |
| MX1 |
85.8 ± 1.3 |
1.1 ± 0.0 |
1.6 ± 0.0 |
47.7 ± 0.6 |
75.51 ± 1.47 |
1.80 ± 0.04 |
| MX2 |
85.8 ± 1.3 |
1.2 ± 0.0 |
1.7 ± 0.0 |
47.7 ± 0.6 |
69.05 ± 1.34 |
1.80 ± 0.04 |
| MX3 |
85.7 ± 1.3 |
1.4 ± 0.0 |
1.9 ± 0.0 |
47.7 ± 0.6 |
63.19 ± 1.23 |
1.80 ± 0.04 |
| RH8 |
85.6 ± 1.3 |
1.9 ± 0.0 |
2.6 ± 0.0 |
47.7 ± 0.6 |
45.36 ± 0.89 |
1.80 ± 0.04 |
| RH9 |
57.2 ± 0.7 |
5.8 ± 0.1 |
8.0 ± 0.1 |
47.4 ± 0.6 |
9.92 ± 0.21 |
1.21 ± 0.03 |
| RH10 |
61.2 ± 0.7 |
6.0 ± 0.1 |
8.3 ± 0.2 |
47.3 ± 0.6 |
10.17 ± 0.21 |
1.29 ± 0.03 |
| Average |
78.1 |
2.4 |
3.4 |
47.6 |
53.6 |
1.6 |
| Median |
85.7 |
1.4 |
1.9 |
47.7 |
69.1 |
1.8 |
| Deviation |
12.0 |
2.2 |
3.0 |
0.2 |
28.9 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
53.6 ± 3.1 |
1.2 ± 0.0 |
1.7 ± 0.1 |
56.8 ± 0.9 |
45.94 ± 3.12 |
0.94 ± 0.07 |
| VC |
59.0 ± 2.3 |
1.3 ± 0.0 |
2.0 ± 0.1 |
56.8 ± 0.9 |
44.79 ± 2.24 |
1.04 ± 0.05 |
| MX1 |
59.1 ± 2.4 |
1.3 ± 0.0 |
2.0 ± 0.1 |
56.8 ± 0.9 |
43.94 ± 2.26 |
1.04 ± 0.05 |
| MX2 |
59.2 ± 2.4 |
1.5 ± 0.0 |
2.2 ± 0.1 |
56.8 ± 0.9 |
40.20 ± 2.06 |
1.04 ± 0.05 |
| MX3 |
59.0 ± 2.4 |
1.6 ± 0.0 |
2.4 ± 0.1 |
56.8 ± 0.9 |
36.77 ± 1.87 |
1.04 ± 0.05 |
| RH8 |
59.0 ± 2.5 |
2.2 ± 0.0 |
3.3 ± 0.1 |
56.8 ± 0.9 |
26.41 ± 1.38 |
1.04 ± 0.06 |
| RH9 |
39.4 ± 1.2 |
6.8 ± 0.1 |
10.2 ± 0.3 |
56.4 ± 0.9 |
5.77 ± 0.18 |
0.70 ± 0.02 |
| RH10 |
42.1 ± 1.2 |
7.1 ± 0.1 |
10.6 ± 0.3 |
56.4 ± 0.9 |
5.91 ± 0.19 |
0.75 ± 0.02 |
| Average |
53.8 |
2.9 |
4.3 |
56.7 |
31.2 |
0.9 |
| Median |
59.0 |
1.6 |
2.4 |
56.8 |
40.2 |
1.0 |
| Deviation |
8.3 |
2.5 |
3.8 |
0.2 |
16.8 |
0.1 |
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)
| 
