Database: Wind Shock Analysis
Event ID: 19992072350
Observation time: 07/26/1999 207.99325 2350 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
207.993247 |
| Arrival time of shock [seconds of day] |
85816.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
169.605 |
| Y GSE location of spacecraft [Re] |
1.332 |
| Z GSE location of spacecraft [Re] |
9.720 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0233 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0303 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.71, 1.90, 1.95 |
Event added to database
|
Mon Feb 14 11:08:25 2005
|
Event last processed
|
Mon Mar 30 18:51:58 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
37.452 ± 2.657
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-396.0 ± 7.3 |
-428.6 ± 5.7 |
| Vy GSE [km/s] |
16.7 ± 10.8 |
-14.3 ± 7.4 |
| Vz GSE [km/s] |
-22.3 ± 9.6 |
31.7 ± 10.1 |
| Wi [km/s] |
42.2 ± 2.8 |
46.7 ± 2.1 |
| We [km/s] |
1333.8 ± 88.2 |
1477.7 ± 66.7 |
| Ni [n/cc] |
2.3 ± 0.2 |
3.8 ± 0.3 |
| Bx GSE [nT] |
-3.2 ± 0.6 |
-2.7 ± 0.9 |
| By GSE [nT] |
1.3 ± 0.7 |
4.9 ± 0.8 |
| Bz GSE [nT] |
1.7 ± 0.7 |
-1.0 ± 1.2 |
Plasma Beta
|
0.596 ± 0.785
|
0.495 ± 0.490
|
Sound Speed [km/s]
|
54.45 ± 3.60
|
60.33 ± 2.72
|
Alfven Speed [km/s]
|
57.16 ± 8.44
|
66.62 ± 2.50
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.823 ± 0.074 |
0.417 ± 0.111 |
0.385 ± 0.365 |
22.66 ± 8.36 |
153.10 ± 7.49 |
| VC |
-0.485 ± 0.143 |
-0.439 ± 0.144 |
0.756 ± 0.561 |
49.15 ± 10.51 |
222.14 ± 12.95 |
| MX1 |
-0.826 ± 0.070 |
0.413 ± 0.097 |
0.384 ± 0.364 |
22.56 ± 8.73 |
153.40 ± 6.50 |
| MX2 |
-0.794 ± 0.089 |
0.409 ± 0.124 |
0.450 ± 0.417 |
26.77 ± 9.21 |
152.73 ± 8.60 |
| MX3 |
-0.742 ± 0.152 |
0.414 ± 0.197 |
0.527 ± 0.472 |
31.80 ± 13.76 |
150.84 ± 14.48 |
| RH08 |
-0.883 ± 0.016 |
0.404 ± 0.030 |
0.240 ± 0.235 |
13.90 ± 2.10 |
155.43 ± 1.93 |
| RH09 |
-0.870 ± 0.027 |
0.416 ± 0.049 |
0.263 ± 0.256 |
15.22 ± 3.43 |
154.43 ± 3.19 |
| RH10 |
-0.880 ± 0.027 |
0.402 ± 0.051 |
0.251 ± 0.246 |
14.56 ± 3.49 |
155.43 ± 3.27 |
| Average |
-0.788 |
0.305 |
0.407 |
24.577 |
162.188 |
| Median |
-0.823 |
0.413 |
0.385 |
22.659 |
154.429 |
| Deviation |
0.131 |
0.301 |
0.174 |
11.773 |
24.271 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
14.8 ± 7.7 |
414.0 ± 10.9 |
1.66 ± 0.16 |
| VC |
53.5 ± 14.9 |
342.3 ± 42.5 |
1.66 ± 0.16 |
| MX1 |
14.8 ± 7.7 |
415.3 ± 10.9 |
1.66 ± 0.16 |
| MX2 |
14.7 ± 6.7 |
408.5 ± 12.8 |
1.66 ± 0.16 |
| MX3 |
16.1 ± 6.1 |
391.7 ± 15.1 |
1.66 ± 0.16 |
| RH08 |
18.5 ± 9.1 |
426.8 ± 8.8 |
1.66 ± 0.16 |
| RH09 |
17.9 ± 8.8 |
423.2 ± 8.8 |
1.66 ± 0.16 |
| RH10 |
18.1 ± 8.9 |
427.7 ± 8.9 |
1.66 ± 0.16 |
| Average |
21.0 |
406.2 |
1.66 |
| Median |
17.9 |
415.3 |
1.66 |
| Deviation |
13.2 |
28.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
89.7 ± 7.0 |
46.3 ± 1.6 |
55.3 ± 8.2 |
64.4 ± 4.0 |
1.94 ± 0.12 |
1.39 ± 0.05 |
| VC |
174.4 ± 11.0 |
24.3 ± 1.0 |
34.0 ± 5.0 |
75.5 ± 3.9 |
7.20 ± 0.62 |
2.32 ± 0.21 |
| MX1 |
90.0 ± 7.0 |
46.3 ± 1.6 |
55.3 ± 8.2 |
64.4 ± 4.0 |
1.94 ± 0.12 |
1.40 ± 0.05 |
| MX2 |
97.4 ± 6.7 |
46.4 ± 1.6 |
55.3 ± 8.2 |
64.4 ± 4.0 |
2.10 ± 0.12 |
1.51 ± 0.05 |
| MX3 |
102.6 ± 6.4 |
45.7 ± 1.6 |
54.9 ± 8.1 |
64.8 ± 3.9 |
2.24 ± 0.12 |
1.58 ± 0.06 |
| RH8 |
75.8 ± 7.6 |
44.6 ± 1.6 |
54.2 ± 8.0 |
65.6 ± 3.9 |
1.70 ± 0.13 |
1.15 ± 0.05 |
| RH9 |
77.5 ± 7.5 |
44.9 ± 1.6 |
54.4 ± 8.0 |
65.4 ± 3.9 |
1.72 ± 0.13 |
1.18 ± 0.05 |
| RH10 |
78.0 ± 7.6 |
44.8 ± 1.6 |
54.3 ± 8.0 |
65.5 ± 3.9 |
1.74 ± 0.13 |
1.19 ± 0.05 |
| Average |
98.2 |
42.9 |
52.2 |
66.2 |
2.6 |
1.5 |
| Median |
90.0 |
45.7 |
54.9 |
65.4 |
1.9 |
1.4 |
| Deviation |
32.3 |
7.6 |
7.4 |
3.8 |
1.9 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
54.9 ± 3.4 |
54.0 ± 1.8 |
64.4 ± 2.4 |
71.9 ± 2.0 |
1.02 ± 0.07 |
0.76 ± 0.04 |
| VC |
104.1 ± 3.6 |
27.9 ± 0.8 |
39.6 ± 1.5 |
85.5 ± 2.4 |
3.73 ± 0.15 |
1.22 ± 0.04 |
| MX1 |
55.1 ± 3.4 |
54.0 ± 1.8 |
64.4 ± 2.4 |
71.9 ± 2.0 |
1.02 ± 0.07 |
0.77 ± 0.04 |
| MX2 |
59.8 ± 4.0 |
54.1 ± 1.8 |
64.4 ± 2.4 |
71.8 ± 2.0 |
1.11 ± 0.08 |
0.83 ± 0.05 |
| MX3 |
62.7 ± 4.9 |
53.3 ± 1.8 |
64.0 ± 2.4 |
72.4 ± 2.0 |
1.18 ± 0.10 |
0.87 ± 0.06 |
| RH8 |
46.5 ± 2.4 |
51.9 ± 1.7 |
63.2 ± 2.4 |
73.4 ± 2.1 |
0.90 ± 0.05 |
0.63 ± 0.03 |
| RH9 |
47.8 ± 2.5 |
52.2 ± 1.7 |
63.4 ± 2.4 |
73.2 ± 2.0 |
0.92 ± 0.05 |
0.65 ± 0.03 |
| RH10 |
48.1 ± 2.4 |
52.1 ± 1.7 |
63.3 ± 2.4 |
73.3 ± 2.0 |
0.92 ± 0.05 |
0.66 ± 0.03 |
| Average |
59.9 |
50.0 |
60.8 |
74.2 |
1.3 |
0.8 |
| Median |
55.1 |
53.3 |
64.0 |
73.2 |
1.0 |
0.8 |
| Deviation |
18.8 |
8.9 |
8.6 |
4.6 |
1.0 |
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)
| 
