Database: Wind Shock Analysis
Event ID: 19982180716
Observation time: 08/06/1998 218.30286 0716 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
218.302865 |
| Arrival time of shock [seconds of day] |
26167.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
92.107 |
| Y GSE location of spacecraft [Re] |
8.716 |
| Z GSE location of spacecraft [Re] |
-3.010 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0297 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0229 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.79, 15.35, 15.75 |
Event added to database
|
Mon Feb 14 11:06:45 2005
|
Event last processed
|
Mon Mar 30 17:52:45 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
19.941 ± 1.692
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-371.8 ± 1.9 |
-423.3 ± 6.6 |
| Vy GSE [km/s] |
-21.1 ± 2.1 |
-16.3 ± 2.6 |
| Vz GSE [km/s] |
-2.9 ± 3.6 |
19.1 ± 4.5 |
| Wi [km/s] |
17.3 ± 1.3 |
22.8 ± 3.3 |
| We [km/s] |
546.5 ± 40.4 |
722.1 ± 104.2 |
| Ni [n/cc] |
10.9 ± 1.0 |
20.0 ± 2.4 |
| Bx GSE [nT] |
-0.4 ± 0.7 |
-2.2 ± 0.8 |
| By GSE [nT] |
8.3 ± 0.3 |
14.4 ± 0.7 |
| Bz GSE [nT] |
-6.1 ± 0.4 |
-10.3 ± 0.5 |
Plasma Beta
|
0.065 ± 0.066
|
0.073 ± 0.081
|
Sound Speed [km/s]
|
22.31 ± 1.65
|
29.48 ± 4.25
|
Alfven Speed [km/s]
|
68.54 ± 3.88
|
87.71 ± 7.30
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.966 ± 0.139 |
-0.040 ± 0.641 |
0.254 ± 0.249 |
14.74 ± 30.64 |
182.39 ± 38.03 |
| VC |
-0.917 ± 0.036 |
0.083 ± 0.052 |
0.390 ± 0.369 |
22.99 ± 5.26 |
174.81 ± 3.27 |
| MX1 |
-0.909 ± 0.044 |
0.032 ± 0.122 |
0.417 ± 0.391 |
24.62 ± 6.09 |
177.99 ± 7.69 |
| MX2 |
-0.908 ± 0.045 |
0.033 ± 0.119 |
0.418 ± 0.392 |
24.70 ± 6.17 |
177.92 ± 7.48 |
| MX3 |
-0.907 ± 0.047 |
0.034 ± 0.115 |
0.419 ± 0.393 |
24.80 ± 6.34 |
177.83 ± 7.23 |
| RH08 |
-0.977 ± 0.002 |
-0.112 ± 0.009 |
0.184 ± 0.182 |
10.62 ± 0.68 |
186.52 ± 0.52 |
| RH09 |
-0.978 ± 0.015 |
-0.164 ± 0.069 |
0.128 ± 0.128 |
7.38 ± 4.01 |
189.53 ± 4.07 |
| RH10 |
-0.978 ± 0.015 |
-0.164 ± 0.069 |
0.128 ± 0.128 |
7.38 ± 4.01 |
189.53 ± 4.07 |
| Average |
-0.942 |
-0.037 |
0.293 |
17.154 |
182.065 |
| Median |
-0.917 |
0.032 |
0.390 |
22.985 |
182.395 |
| Deviation |
0.035 |
0.098 |
0.133 |
7.969 |
5.801 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
81.7 ± 3.7 |
475.4 ± 37.5 |
1.92 ± 0.24 |
| VC |
82.7 ± 3.3 |
454.9 ± 38.3 |
1.92 ± 0.24 |
| MX1 |
79.4 ± 3.3 |
453.0 ± 38.0 |
1.92 ± 0.24 |
| MX2 |
79.4 ± 3.3 |
452.8 ± 38.0 |
1.92 ± 0.24 |
| MX3 |
79.4 ± 3.3 |
452.4 ± 38.0 |
1.92 ± 0.24 |
| RH08 |
80.8 ± 3.9 |
478.8 ± 36.5 |
1.92 ± 0.24 |
| RH09 |
80.3 ± 4.0 |
478.3 ± 35.5 |
1.92 ± 0.24 |
| RH10 |
80.3 ± 4.0 |
478.3 ± 35.5 |
1.92 ± 0.24 |
| Average |
80.5 |
465.5 |
1.92 |
| Median |
80.3 |
475.4 |
1.92 |
| Deviation |
1.2 |
13.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
116.0 ± 1.9 |
3.0 ± 0.2 |
9.9 ± 0.6 |
72.1 ± 3.4 |
38.23 ± 2.94 |
1.61 ± 0.08 |
| VC |
116.9 ± 2.0 |
2.7 ± 0.2 |
8.7 ± 0.5 |
72.1 ± 3.4 |
43.83 ± 3.47 |
1.62 ± 0.07 |
| MX1 |
117.1 ± 2.1 |
3.9 ± 0.2 |
12.6 ± 0.7 |
72.0 ± 3.4 |
30.25 ± 2.41 |
1.63 ± 0.07 |
| MX2 |
117.1 ± 2.1 |
3.9 ± 0.2 |
12.6 ± 0.7 |
72.0 ± 3.4 |
30.26 ± 2.41 |
1.63 ± 0.07 |
| MX3 |
117.1 ± 2.1 |
3.9 ± 0.2 |
12.6 ± 0.7 |
72.0 ± 3.4 |
30.28 ± 2.42 |
1.63 ± 0.07 |
| RH8 |
113.9 ± 1.9 |
3.4 ± 0.2 |
10.9 ± 0.6 |
72.0 ± 3.4 |
33.86 ± 2.57 |
1.58 ± 0.08 |
| RH9 |
111.5 ± 1.9 |
3.6 ± 0.2 |
11.6 ± 0.7 |
72.0 ± 3.4 |
31.31 ± 2.35 |
1.55 ± 0.08 |
| RH10 |
111.5 ± 1.9 |
3.6 ± 0.2 |
11.6 ± 0.7 |
72.0 ± 3.4 |
31.31 ± 2.35 |
1.55 ± 0.08 |
| Average |
115.2 |
3.5 |
11.3 |
72.0 |
33.7 |
1.6 |
| Median |
116.9 |
3.6 |
11.6 |
72.0 |
31.3 |
1.6 |
| Deviation |
2.5 |
0.4 |
1.4 |
0.0 |
4.9 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
60.9 ± 6.9 |
4.0 ± 0.5 |
12.6 ± 1.0 |
92.6 ± 5.9 |
15.32 ± 1.52 |
0.66 ± 0.11 |
| VC |
60.7 ± 7.1 |
3.5 ± 0.4 |
11.1 ± 0.9 |
92.6 ± 5.9 |
17.37 ± 1.65 |
0.66 ± 0.12 |
| MX1 |
61.1 ± 7.1 |
5.1 ± 0.6 |
16.1 ± 1.3 |
92.6 ± 5.9 |
12.03 ± 1.15 |
0.67 ± 0.12 |
| MX2 |
61.1 ± 7.1 |
5.1 ± 0.6 |
16.1 ± 1.3 |
92.6 ± 5.9 |
12.03 ± 1.15 |
0.67 ± 0.12 |
| MX3 |
61.1 ± 7.1 |
5.1 ± 0.6 |
16.1 ± 1.3 |
92.6 ± 5.9 |
12.04 ± 1.15 |
0.67 ± 0.12 |
| RH8 |
60.2 ± 6.8 |
4.4 ± 0.6 |
14.0 ± 1.2 |
92.6 ± 5.9 |
13.66 ± 1.39 |
0.66 ± 0.11 |
| RH9 |
59.2 ± 6.6 |
4.7 ± 0.6 |
14.8 ± 1.2 |
92.6 ± 5.9 |
12.69 ± 1.32 |
0.64 ± 0.11 |
| RH10 |
59.2 ± 6.6 |
4.7 ± 0.6 |
14.8 ± 1.2 |
92.6 ± 5.9 |
12.69 ± 1.32 |
0.64 ± 0.11 |
| Average |
60.4 |
4.6 |
14.4 |
92.6 |
13.5 |
0.7 |
| Median |
60.9 |
4.7 |
14.8 |
92.6 |
12.7 |
0.7 |
| Deviation |
0.8 |
0.6 |
1.8 |
0.0 |
1.9 |
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)
| 
