Database: Wind Shock Analysis
Event ID: 19973050614
Observation time: 11/01/1997 305.26023 0614 [UT]
|
|
General
Information (About, Top)
Year |
1997 |
Fractional day of year |
305.260226 |
Arrival time of shock [seconds of day] |
22483.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
93.637 |
Y GSE location of spacecraft [Re] |
-61.544 |
Z GSE location of spacecraft [Re] |
8.683 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0214 |
Downstream plasma points selected for analysis |
0006
|
Downstream field points selected for analysis |
0188 |
Minimum chisq/dof for RH8,RH9,RH10 |
29.19, 34.39, 42.46 |
Event added to database
|
Mon Feb 14 11:05:12 2005
|
Event last processed
|
Mon Mar 30 17:11:38 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
22.860 ± 4.328
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-335.9 ± 0.3 |
-352.6 ± 1.4 |
Vy GSE [km/s] |
-23.5 ± 0.4 |
-28.8 ± 0.6 |
Vz GSE [km/s] |
-0.4 ± 0.4 |
-7.5 ± 0.6 |
Wi [km/s] |
15.3 ± 0.1 |
18.8 ± 0.4 |
We [km/s] |
483.7 ± 3.9 |
596.0 ± 12.2 |
Ni [n/cc] |
29.5 ± 0.3 |
43.8 ± 1.1 |
Bx GSE [nT] |
-2.2 ± 0.1 |
-4.6 ± 0.4 |
By GSE [nT] |
3.9 ± 0.1 |
4.9 ± 0.2 |
Bz GSE [nT] |
3.8 ± 0.2 |
6.7 ± 0.5 |
Plasma Beta
|
0.423 ± 0.423
|
0.364 ± 0.370
|
Sound Speed [km/s]
|
19.75 ± 0.16
|
24.33 ± 0.50
|
Alfven Speed [km/s]
|
23.53 ± 0.25
|
31.35 ± 1.89
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.359 ± 0.164 |
-0.933 ± 0.063 |
0.021 ± 0.021 |
1.23 ± 7.47 |
248.96 ± 10.06 |
VC |
-0.884 ± 0.016 |
-0.277 ± 0.022 |
-0.377 ± 0.358 |
-22.12 ± 2.24 |
197.40 ± 1.40 |
MX1 |
-0.774 ± 0.035 |
-0.399 ± 0.061 |
-0.491 ± 0.447 |
-29.42 ± 1.90 |
207.26 ± 4.52 |
MX2 |
-0.780 ± 0.031 |
-0.371 ± 0.054 |
-0.505 ± 0.457 |
-30.31 ± 2.20 |
205.45 ± 3.95 |
MX3 |
-0.785 ± 0.029 |
-0.333 ± 0.046 |
-0.522 ± 0.469 |
-31.48 ± 2.62 |
202.97 ± 3.26 |
RH08 |
-0.746 ± 0.007 |
-0.125 ± 0.014 |
-0.654 ± 0.539 |
-40.82 ± 0.60 |
189.53 ± 1.06 |
RH09 |
-0.661 ± 0.040 |
0.275 ± 0.076 |
-0.698 ± 0.553 |
-44.29 ± 2.21 |
157.44 ± 6.52 |
RH10 |
-0.674 ± 0.051 |
0.240 ± 0.070 |
-0.698 ± 0.553 |
-44.29 ± 3.90 |
160.45 ± 5.75 |
Average |
-0.708 |
-0.241 |
-0.490 |
-30.188 |
196.182 |
Median |
-0.746 |
-0.277 |
-0.505 |
-30.309 |
202.971 |
Deviation |
0.157 |
0.386 |
0.236 |
14.953 |
28.944 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
62.1 ± 0.9 |
177.2 ± 4.1 |
1.48 ± 0.04 |
VC |
84.8 ± 1.4 |
362.9 ± 6.4 |
1.48 ± 0.04 |
MX1 |
73.4 ± 1.4 |
327.7 ± 6.3 |
1.48 ± 0.04 |
MX2 |
74.1 ± 1.4 |
328.9 ± 6.3 |
1.48 ± 0.04 |
MX3 |
75.0 ± 1.5 |
329.9 ± 6.3 |
1.48 ± 0.04 |
RH08 |
77.3 ± 1.8 |
309.2 ± 6.0 |
1.48 ± 0.04 |
RH09 |
89.1 ± 2.1 |
260.7 ± 4.8 |
1.48 ± 0.04 |
RH10 |
88.0 ± 2.1 |
267.4 ± 5.0 |
1.48 ± 0.04 |
Average |
78.0 |
295.5 |
1.48 |
Median |
77.3 |
327.7 |
1.48 |
Deviation |
9.0 |
58.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
34.7 ± 0.4 |
7.3 ± 0.0 |
11.0 ± 0.1 |
29.8 ± 0.2 |
4.76 ± 0.05 |
1.16 ± 0.01 |
VC |
59.4 ± 0.4 |
1.4 ± 0.0 |
2.1 ± 0.0 |
30.7 ± 0.2 |
43.65 ± 0.32 |
1.94 ± 0.02 |
MX1 |
58.1 ± 0.4 |
4.4 ± 0.0 |
6.7 ± 0.1 |
30.4 ± 0.2 |
13.28 ± 0.11 |
1.91 ± 0.02 |
MX2 |
58.1 ± 0.4 |
4.2 ± 0.0 |
6.5 ± 0.1 |
30.4 ± 0.2 |
13.88 ± 0.11 |
1.91 ± 0.02 |
MX3 |
58.2 ± 0.4 |
3.9 ± 0.0 |
6.1 ± 0.1 |
30.5 ± 0.2 |
14.78 ± 0.12 |
1.91 ± 0.02 |
RH8 |
55.4 ± 0.4 |
3.3 ± 0.0 |
5.2 ± 0.1 |
30.5 ± 0.2 |
16.54 ± 0.15 |
1.81 ± 0.02 |
RH9 |
44.9 ± 0.3 |
0.2 ± 0.0 |
0.4 ± 0.0 |
30.7 ± 0.2 |
184.91 ± 1.96 |
1.46 ± 0.02 |
RH10 |
46.2 ± 0.3 |
0.5 ± 0.0 |
0.8 ± 0.0 |
30.7 ± 0.2 |
89.42 ± 0.93 |
1.51 ± 0.02 |
Average |
51.9 |
3.2 |
4.8 |
30.5 |
47.7 |
1.7 |
Median |
58.1 |
3.9 |
6.1 |
30.5 |
16.5 |
1.9 |
Deviation |
9.0 |
2.4 |
3.6 |
0.3 |
61.9 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
23.9 ± 1.1 |
9.3 ± 0.3 |
14.7 ± 0.9 |
38.6 ± 1.8 |
2.59 ± 0.20 |
0.62 ± 0.05 |
VC |
40.5 ± 1.5 |
1.7 ± 0.1 |
2.8 ± 0.2 |
39.7 ± 1.8 |
23.45 ± 1.66 |
1.02 ± 0.08 |
MX1 |
39.5 ± 1.4 |
5.6 ± 0.2 |
9.0 ± 0.5 |
39.3 ± 1.8 |
7.13 ± 0.50 |
1.01 ± 0.08 |
MX2 |
39.5 ± 1.4 |
5.3 ± 0.2 |
8.6 ± 0.5 |
39.3 ± 1.8 |
7.45 ± 0.52 |
1.01 ± 0.08 |
MX3 |
39.6 ± 1.4 |
5.0 ± 0.2 |
8.1 ± 0.5 |
39.4 ± 1.8 |
7.93 ± 0.56 |
1.01 ± 0.08 |
RH8 |
37.6 ± 1.3 |
4.3 ± 0.1 |
6.9 ± 0.4 |
39.5 ± 1.8 |
8.86 ± 0.61 |
0.95 ± 0.07 |
RH9 |
30.3 ± 0.9 |
0.3 ± 0.0 |
0.5 ± 0.0 |
39.7 ± 1.8 |
98.48 ± 6.54 |
0.77 ± 0.06 |
RH10 |
31.2 ± 1.0 |
0.7 ± 0.0 |
1.1 ± 0.1 |
39.7 ± 1.8 |
47.65 ± 3.17 |
0.79 ± 0.06 |
Average |
35.3 |
4.0 |
6.5 |
39.4 |
25.4 |
0.9 |
Median |
39.5 |
5.0 |
8.1 |
39.5 |
8.9 |
1.0 |
Deviation |
6.1 |
3.0 |
4.8 |
0.4 |
32.9 |
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)
|