Database: Wind Shock Analysis
Event ID: 19982750706
Observation time: 10/02/1998 275.29589 0706 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
275.295885 |
| Arrival time of shock [seconds of day] |
25564.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
173.239 |
| Y GSE location of spacecraft [Re] |
17.840 |
| Z GSE location of spacecraft [Re] |
-2.205 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0268 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0287 |
| Minimum chisq/dof for RH8,RH9,RH10 |
14.93, 15.14, 17.37 |
Event added to database
|
Mon Feb 14 11:07:10 2005
|
Event last processed
|
Mon Mar 30 18:03:52 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
18.524 ± 3.397
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-514.6 ± 13.7 |
-699.0 ± 11.4 |
| Vy GSE [km/s] |
3.2 ± 10.9 |
85.9 ± 17.8 |
| Vz GSE [km/s] |
-3.9 ± 5.9 |
-17.1 ± 20.0 |
| Wi [km/s] |
52.1 ± 12.0 |
104.6 ± 15.6 |
| We [km/s] |
1647.5 ± 381.0 |
3308.0 ± 493.7 |
| Ni [n/cc] |
2.8 ± 1.1 |
7.7 ± 1.1 |
| Bx GSE [nT] |
2.1 ± 1.0 |
-5.9 ± 1.6 |
| By GSE [nT] |
-5.6 ± 0.7 |
-12.9 ± 1.6 |
| Bz GSE [nT] |
-2.5 ± 0.7 |
-7.7 ± 3.2 |
Plasma Beta
|
0.437 ± 0.374
|
0.724 ± 0.802
|
Sound Speed [km/s]
|
67.26 ± 15.55
|
135.05 ± 20.15
|
Alfven Speed [km/s]
|
93.85 ± 29.36
|
130.99 ± 19.88
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.706 ± 0.110 |
0.672 ± 0.115 |
0.225 ± 0.221 |
13.00 ± 11.78 |
136.41 ± 8.96 |
| VC |
-0.911 ± 0.041 |
0.408 ± 0.090 |
-0.061 ± 0.061 |
-3.48 ± 5.36 |
155.89 ± 5.66 |
| MX1 |
-0.716 ± 0.080 |
0.678 ± 0.085 |
0.167 ± 0.166 |
9.62 ± 6.43 |
136.54 ± 6.69 |
| MX2 |
-0.718 ± 0.076 |
0.684 ± 0.080 |
0.131 ± 0.130 |
7.52 ± 4.24 |
136.39 ± 6.35 |
| MX3 |
-0.719 ± 0.077 |
0.685 ± 0.080 |
0.117 ± 0.117 |
6.73 ± 4.37 |
136.37 ± 6.38 |
| RH08 |
-0.679 ± 0.017 |
0.603 ± 0.018 |
0.419 ± 0.393 |
24.77 ± 2.05 |
138.38 ± 1.26 |
| RH09 |
-0.567 ± 0.056 |
0.065 ± 0.070 |
0.821 ± 0.550 |
55.21 ± 3.89 |
173.48 ± 7.08 |
| RH10 |
-0.552 ± 0.059 |
0.053 ± 0.070 |
0.832 ± 0.545 |
56.35 ± 4.03 |
174.48 ± 7.28 |
| Average |
-0.696 |
0.481 |
0.331 |
21.213 |
148.494 |
| Median |
-0.706 |
0.672 |
0.225 |
12.997 |
138.384 |
| Deviation |
0.111 |
0.276 |
0.333 |
22.715 |
17.068 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
27.3 ± 8.9 |
651.6 ± 86.6 |
3.43 ± 2.09 |
| VC |
51.7 ± 8.8 |
785.7 ± 101.0 |
3.43 ± 2.09 |
| MX1 |
29.0 ± 8.7 |
660.2 ± 89.1 |
3.43 ± 2.09 |
| MX2 |
30.0 ± 8.5 |
661.9 ± 90.4 |
3.43 ± 2.09 |
| MX3 |
30.5 ± 8.5 |
662.5 ± 90.9 |
3.43 ± 2.09 |
| RH08 |
26.2 ± 9.9 |
620.3 ± 77.0 |
3.43 ± 2.09 |
| RH09 |
56.4 ± 9.2 |
444.3 ± 44.7 |
3.43 ± 2.09 |
| RH10 |
57.1 ± 9.2 |
429.9 ± 43.3 |
3.43 ± 2.09 |
| Average |
38.5 |
614.6 |
3.43 |
| Median |
30.5 |
660.2 |
3.43 |
| Deviation |
13.9 |
119.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
287.2 ± 10.7 |
51.6 ± 8.4 |
83.4 ± 26.1 |
105.4 ± 23.5 |
5.78 ± 1.45 |
2.81 ± 0.43 |
| VC |
315.4 ± 12.4 |
33.1 ± 4.7 |
58.1 ± 18.2 |
113.2 ± 20.7 |
9.76 ± 1.92 |
2.85 ± 0.39 |
| MX1 |
290.4 ± 10.8 |
50.4 ± 8.1 |
82.1 ± 25.7 |
106.0 ± 23.2 |
5.97 ± 1.47 |
2.82 ± 0.43 |
| MX2 |
290.8 ± 10.9 |
49.7 ± 8.0 |
81.2 ± 25.4 |
106.4 ± 23.1 |
6.06 ± 1.48 |
2.81 ± 0.42 |
| MX3 |
290.9 ± 10.9 |
49.4 ± 7.9 |
80.9 ± 25.3 |
106.5 ± 23.0 |
6.10 ± 1.48 |
2.81 ± 0.42 |
| RH8 |
270.7 ± 10.1 |
52.3 ± 8.6 |
84.2 ± 26.3 |
104.9 ± 23.6 |
5.38 ± 1.37 |
2.66 ± 0.41 |
| RH9 |
155.5 ± 8.5 |
29.3 ± 4.0 |
51.9 ± 16.2 |
114.3 ± 20.3 |
5.45 ± 1.12 |
1.39 ± 0.19 |
| RH10 |
149.1 ± 8.3 |
28.7 ± 3.9 |
50.9 ± 15.9 |
114.5 ± 20.3 |
5.34 ± 1.10 |
1.33 ± 0.18 |
| Average |
256.3 |
43.1 |
71.6 |
108.9 |
6.2 |
2.4 |
| Median |
290.4 |
49.7 |
81.2 |
106.5 |
6.0 |
2.8 |
| Deviation |
65.3 |
10.6 |
15.0 |
4.3 |
1.5 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
104.4 ± 11.5 |
93.5 ± 6.4 |
116.4 ± 17.7 |
165.2 ± 7.7 |
1.12 ± 0.12 |
0.63 ± 0.08 |
| VC |
112.8 ± 14.1 |
59.7 ± 3.6 |
81.1 ± 12.3 |
180.2 ± 7.9 |
1.89 ± 0.23 |
0.63 ± 0.08 |
| MX1 |
104.6 ± 12.5 |
91.3 ± 6.1 |
114.5 ± 17.4 |
166.4 ± 7.7 |
1.15 ± 0.13 |
0.63 ± 0.08 |
| MX2 |
103.6 ± 13.2 |
90.0 ± 6.0 |
113.4 ± 17.2 |
167.1 ± 7.7 |
1.15 ± 0.14 |
0.62 ± 0.08 |
| MX3 |
103.2 ± 13.4 |
89.5 ± 5.9 |
112.9 ± 17.1 |
167.4 ± 7.7 |
1.16 ± 0.14 |
0.62 ± 0.08 |
| RH8 |
101.2 ± 8.3 |
94.9 ± 6.5 |
117.5 ± 17.8 |
164.4 ± 7.7 |
1.07 ± 0.10 |
0.62 ± 0.06 |
| RH9 |
56.5 ± 15.0 |
52.7 ± 3.1 |
72.4 ± 11.0 |
182.4 ± 8.0 |
1.08 ± 0.31 |
0.31 ± 0.09 |
| RH10 |
54.0 ± 15.4 |
51.6 ± 3.1 |
71.1 ± 10.8 |
182.7 ± 8.0 |
1.06 ± 0.32 |
0.30 ± 0.09 |
| Average |
92.5 |
77.9 |
99.9 |
172.0 |
1.2 |
0.5 |
| Median |
103.6 |
90.0 |
113.4 |
167.4 |
1.1 |
0.6 |
| Deviation |
23.3 |
19.5 |
21.0 |
8.2 |
0.3 |
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)
| 
