Database: Wind Shock Analysis
Event ID: 20240031419
Observation time: 01/03/2024 3.59689 1419 [UT]
|

|
General
Information (About, Top)
Year |
2024 |
Fractional day of year |
3.596892 |
Arrival time of shock [seconds of day] |
51571.5 ± 40.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
257.095 |
Y GSE location of spacecraft [Re] |
14.119 |
Z GSE location of spacecraft [Re] |
13.006 |
Upstream plasma points selected for analysis |
0003 |
Upstream field points selected for analysis |
0150 |
Downstream plasma points selected for analysis |
0004
|
Downstream field points selected for analysis |
0132 |
Minimum chisq/dof for RH8,RH9,RH10 |
19.25, 30.59, 46.54 |
Event added to database
|
Wed Aug 28 16:29:20 2024
|
Event last processed
|
Wed Aug 28 21:14:31 2024
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
48.303 ± 8.593
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-396.6 ± 1.2 |
-434.2 ± 6.5 |
Vy GSE [km/s] |
26.8 ± 6.2 |
18.5 ± 11.7 |
Vz GSE [km/s] |
-34.7 ± 2.6 |
36.8 ± 8.5 |
Wi [km/s] |
36.3 ± 3.8 |
51.4 ± 3.7 |
We [km/s] |
1148.0 ± 119.6 |
1624.7 ± 118.3 |
Ni [n/cc] |
3.9 ± 0.1 |
7.4 ± 0.5 |
Bx GSE [nT] |
4.3 ± 0.2 |
7.4 ± 0.2 |
By GSE [nT] |
0.8 ± 0.5 |
-0.1 ± 1.8 |
Bz GSE [nT] |
0.5 ± 0.2 |
5.3 ± 0.2 |
Plasma Beta
|
0.552 ± 0.555
|
0.491 ± 0.445
|
Sound Speed [km/s]
|
46.87 ± 4.88
|
66.33 ± 4.83
|
Alfven Speed [km/s]
|
49.13 ± 1.49
|
73.84 ± 2.73
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.854 ± 0.088 |
-0.267 ± 0.189 |
0.446 ± 0.414 |
26.47 ± 8.82 |
197.38 ± 12.57 |
VC |
-0.481 ± 0.086 |
-0.109 ± 0.143 |
0.870 ± 0.520 |
60.47 ± 5.36 |
192.79 ± 16.90 |
MX1 |
-0.856 ± 0.055 |
-0.151 ± 0.115 |
0.494 ± 0.449 |
29.59 ± 6.08 |
189.99 ± 7.65 |
MX2 |
-0.846 ± 0.026 |
-0.071 ± 0.068 |
0.529 ± 0.473 |
31.92 ± 2.79 |
184.77 ± 4.59 |
MX3 |
-0.835 ± 0.016 |
-0.009 ± 0.074 |
0.550 ± 0.486 |
33.35 ± 1.62 |
180.59 ± 5.09 |
RH08 |
-0.874 ± 0.030 |
-0.023 ± 0.051 |
0.486 ± 0.444 |
29.08 ± 3.53 |
181.50 ± 3.34 |
RH09 |
-0.952 ± 0.022 |
-0.008 ± 0.070 |
0.307 ± 0.297 |
17.89 ± 4.01 |
180.50 ± 4.24 |
RH10 |
-0.955 ± 0.021 |
-0.008 ± 0.071 |
0.296 ± 0.287 |
17.22 ± 4.00 |
180.50 ± 4.24 |
Average |
-0.832 |
-0.081 |
0.497 |
30.751 |
186.004 |
Median |
-0.854 |
-0.023 |
0.494 |
29.592 |
184.772 |
Deviation |
0.149 |
0.092 |
0.178 |
13.429 |
6.579 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
34.2 ± 4.1 |
458.2 ± 3.0 |
1.90 ± 0.12 |
VC |
67.3 ± 3.2 |
337.3 ± 5.5 |
1.90 ± 0.12 |
MX1 |
36.6 ± 3.0 |
466.7 ± 2.9 |
1.90 ± 0.12 |
MX2 |
39.3 ± 2.5 |
467.9 ± 3.0 |
1.90 ± 0.12 |
MX3 |
41.5 ± 2.1 |
465.7 ± 3.0 |
1.90 ± 0.12 |
RH08 |
37.2 ± 2.1 |
475.4 ± 2.8 |
1.90 ± 0.12 |
RH09 |
27.1 ± 2.0 |
486.9 ± 2.5 |
1.90 ± 0.12 |
RH10 |
26.5 ± 2.0 |
487.1 ± 8.4 |
1.90 ± 0.12 |
Average |
38.7 |
455.7 |
1.90 |
Median |
37.2 |
467.9 |
1.90 |
Deviation |
12.8 |
48.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
142.0 ± 1.7 |
31.6 ± 1.7 |
40.6 ± 1.2 |
60.2 ± 2.8 |
4.51 ± 0.26 |
2.36 ± 0.13 |
VC |
179.9 ± 2.1 |
13.3 ± 0.7 |
19.0 ± 0.6 |
66.7 ± 3.1 |
13.55 ± 0.64 |
2.70 ± 0.12 |
MX1 |
148.3 ± 1.1 |
30.3 ± 1.6 |
39.4 ± 1.2 |
60.9 ± 2.8 |
4.91 ± 0.26 |
2.44 ± 0.12 |
MX2 |
152.8 ± 0.7 |
28.9 ± 1.5 |
38.0 ± 1.1 |
61.5 ± 2.8 |
5.30 ± 0.27 |
2.49 ± 0.11 |
MX3 |
153.8 ± 0.5 |
27.7 ± 1.4 |
36.8 ± 1.1 |
62.1 ± 2.9 |
5.55 ± 0.27 |
2.48 ± 0.11 |
RH8 |
146.4 ± 0.3 |
30.0 ± 1.6 |
39.1 ± 1.2 |
61.0 ± 2.8 |
4.89 ± 0.25 |
2.40 ± 0.11 |
RH9 |
120.4 ± 0.3 |
35.2 ± 1.9 |
43.8 ± 1.3 |
58.2 ± 2.6 |
3.43 ± 0.19 |
2.07 ± 0.09 |
RH10 |
118.8 ± 0.3 |
35.5 ± 1.9 |
44.0 ± 1.3 |
58.0 ± 2.6 |
3.36 ± 0.18 |
2.05 ± 0.09 |
Average |
145.3 |
29.1 |
37.6 |
61.1 |
5.7 |
2.4 |
Median |
148.3 |
30.3 |
39.4 |
61.0 |
4.9 |
2.4 |
Deviation |
19.5 |
6.9 |
7.9 |
2.7 |
3.3 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
75.8 ± 3.8 |
45.9 ± 1.1 |
61.1 ± 2.3 |
88.1 ± 1.4 |
1.65 ± 0.08 |
0.86 ± 0.04 |
VC |
98.6 ± 6.0 |
19.3 ± 0.4 |
28.5 ± 1.1 |
97.5 ± 1.7 |
5.10 ± 0.28 |
1.01 ± 0.06 |
MX1 |
79.5 ± 3.1 |
44.0 ± 1.1 |
59.2 ± 2.2 |
89.1 ± 1.4 |
1.81 ± 0.06 |
0.89 ± 0.03 |
MX2 |
82.5 ± 2.8 |
42.0 ± 1.0 |
57.1 ± 2.1 |
90.1 ± 1.5 |
1.97 ± 0.05 |
0.92 ± 0.02 |
MX3 |
83.0 ± 2.5 |
40.3 ± 1.0 |
55.3 ± 2.0 |
90.8 ± 1.5 |
2.06 ± 0.05 |
0.91 ± 0.02 |
RH8 |
78.6 ± 2.8 |
43.6 ± 1.1 |
58.8 ± 2.2 |
89.3 ± 1.4 |
1.80 ± 0.06 |
0.88 ± 0.02 |
RH9 |
62.6 ± 4.0 |
51.1 ± 1.3 |
65.8 ± 2.4 |
85.2 ± 1.3 |
1.23 ± 0.08 |
0.73 ± 0.04 |
RH10 |
61.6 ± 4.1 |
51.5 ± 1.3 |
66.1 ± 2.4 |
85.0 ± 1.3 |
1.20 ± 0.08 |
0.72 ± 0.04 |
Average |
77.8 |
42.2 |
56.5 |
89.4 |
2.1 |
0.9 |
Median |
79.5 |
44.0 |
59.2 |
89.3 |
1.8 |
0.9 |
Deviation |
11.8 |
10.1 |
11.9 |
3.9 |
1.3 |
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 Wed Aug 28 21:49:07 2024
Michael L Stevens
(mstevens@cfa.harvard.edu)
|