Database: Wind Shock Analysis
Event ID: 20122871609
Observation time: 10/13/2012 287.67307 1609 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
287.673073 |
| Arrival time of shock [seconds of day] |
58153.5 ± 20.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
253.702 |
| Y GSE location of spacecraft [Re] |
52.908 |
| Z GSE location of spacecraft [Re] |
17.853 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0099 |
| Downstream plasma points selected for analysis |
0002
|
| Downstream field points selected for analysis |
0093 |
| Minimum chisq/dof for RH8,RH9,RH10 |
-225.61, -169.92, -131.56 |
Event added to database
|
Tue Oct 8 15:58:20 2013
|
Event last processed
|
Tue Oct 8 17:35:28 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
65.206 ± 5533.260
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-533.5 ± 3.1 |
-589.7 ± 1.9 |
| Vy GSE [km/s] |
-17.9 ± 0.5 |
-17.6 ± 3.7 |
| Vz GSE [km/s] |
-11.6 ± 6.4 |
-14.5 ± 1.4 |
| Wi [km/s] |
60.2 ± 3.2 |
48.6 ± 0.1 |
| We [km/s] |
1904.2 ± 100.6 |
1536.3 ± 3.1 |
| Ni [n/cc] |
5.5 ± 0.2 |
3.3 ± 0.1 |
| Bx GSE [nT] |
0.8 ± 0.6 |
0.8 ± 0.3 |
| By GSE [nT] |
5.3 ± 0.6 |
3.5 ± 0.4 |
| Bz GSE [nT] |
-7.4 ± 1.0 |
-4.8 ± 0.2 |
Plasma Beta
|
0.502 ± 0.514
|
0.457 ± 0.468
|
Sound Speed [km/s]
|
77.74 ± 4.11
|
62.72 ± 0.13
|
Alfven Speed [km/s]
|
85.66 ± 5.16
|
71.88 ± 1.34
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.985 ± 0.142 |
-0.150 ± 0.886 |
0.082 ± 0.082 |
4.69 ± 31.53 |
188.64 ± 51.53 |
| VC |
-0.999 ± 0.005 |
0.005 ± 0.052 |
-0.048 ± 0.048 |
-2.73 ± 5.83 |
179.74 ± 3.00 |
| MX1 |
-1.000 ± 0.003 |
-0.019 ± 0.164 |
0.001 ± 0.001 |
0.07 ± 6.70 |
181.08 ± 9.38 |
| MX2 |
-1.000 ± 0.003 |
-0.022 ± 0.155 |
0.000 ± 0.000 |
0.02 ± 7.32 |
181.25 ± 8.87 |
| MX3 |
-1.000 ± 0.003 |
-0.016 ± 0.184 |
0.001 ± 0.001 |
0.06 ± 5.57 |
180.90 ± 10.54 |
| RH08 |
-0.057 ± 0.070 |
0.613 ± 0.055 |
-0.788 ± 0.559 |
-51.97 ± 3.95 |
95.26 ± 6.51 |
| RH09 |
-0.049 ± 0.023 |
0.655 ± 0.026 |
-0.754 ± 0.561 |
-48.95 ± 2.00 |
94.26 ± 2.00 |
| RH10 |
-0.055 ± 0.021 |
0.599 ± 0.028 |
-0.799 ± 0.557 |
-53.02 ± 2.00 |
95.26 ± 2.00 |
| Average |
-0.643 |
0.208 |
-0.288 |
-18.979 |
149.550 |
| Median |
-0.985 |
0.005 |
0.000 |
0.023 |
180.900 |
| Deviation |
0.488 |
0.347 |
0.409 |
26.878 |
45.311 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
76.0 ± 4.1 |
446.2 ± 6.8 |
0.59 ± 0.03 |
| VC |
87.2 ± 3.9 |
450.8 ± 7.8 |
0.59 ± 0.03 |
| MX1 |
84.1 ± 3.8 |
451.3 ± 7.5 |
0.59 ± 0.03 |
| MX2 |
84.1 ± 3.9 |
451.3 ± 7.5 |
0.59 ± 0.03 |
| MX3 |
84.2 ± 3.8 |
451.3 ± 7.5 |
0.59 ± 0.03 |
| RH08 |
10.2 ± 4.1 |
21.7 ± 5.7 |
0.59 ± 0.03 |
| RH09 |
10.9 ± 4.4 |
17.3 ± 5.5 |
0.59 ± 0.03 |
| RH10 |
9.9 ± 4.0 |
21.4 ± 13.0 |
0.59 ± 0.03 |
| Average |
55.8 |
288.9 |
0.59 |
| Median |
84.1 |
450.8 |
0.59 |
| Deviation |
37.8 |
222.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-81.3 ± 2.6 |
14.0 ± 0.2 |
20.7 ± 1.2 |
114.9 ± 2.3 |
-5.83 ± 0.28 |
-0.71 ± 0.04 |
| VC |
-82.5 ± 3.4 |
2.8 ± 0.0 |
4.2 ± 0.3 |
115.8 ± 2.3 |
-29.23 ± 1.66 |
-0.71 ± 0.04 |
| MX1 |
-82.4 ± 3.1 |
5.9 ± 0.1 |
8.8 ± 0.5 |
115.6 ± 2.3 |
-14.04 ± 0.75 |
-0.71 ± 0.04 |
| MX2 |
-82.5 ± 3.1 |
5.9 ± 0.1 |
8.8 ± 0.5 |
115.6 ± 2.3 |
-13.91 ± 0.74 |
-0.71 ± 0.04 |
| MX3 |
-82.4 ± 3.1 |
5.8 ± 0.1 |
8.6 ± 0.5 |
115.6 ± 2.3 |
-14.32 ± 0.76 |
-0.71 ± 0.04 |
| RH8 |
-6.6 ± 4.9 |
72.6 ± 1.8 |
84.3 ± 5.1 |
90.2 ± 3.4 |
-0.09 ± 0.07 |
-0.07 ± 0.06 |
| RH9 |
-5.7 ± 4.6 |
72.1 ± 1.7 |
84.1 ± 5.1 |
90.6 ± 3.3 |
-0.08 ± 0.07 |
-0.06 ± 0.05 |
| RH10 |
-6.6 ± 5.0 |
72.7 ± 1.9 |
84.4 ± 5.1 |
90.0 ± 3.4 |
-0.09 ± 0.07 |
-0.07 ± 0.06 |
| Average |
-53.8 |
31.5 |
38.0 |
106.1 |
-9.7 |
-0.5 |
| Median |
-81.3 |
14.0 |
20.7 |
115.6 |
-5.8 |
-0.7 |
| Deviation |
39.3 |
34.1 |
38.6 |
13.1 |
10.2 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-136.3 ± 1.2 |
11.5 ± 0.1 |
17.3 ± 0.3 |
94.7 ± 1.1 |
-11.87 ± 0.21 |
-1.44 ± 0.03 |
| VC |
-138.8 ± 1.9 |
2.3 ± 0.0 |
3.5 ± 0.1 |
95.4 ± 1.1 |
-59.67 ± 1.39 |
-1.46 ± 0.04 |
| MX1 |
-138.6 ± 1.8 |
4.8 ± 0.0 |
7.3 ± 0.1 |
95.3 ± 1.1 |
-28.66 ± 0.63 |
-1.45 ± 0.04 |
| MX2 |
-138.6 ± 1.8 |
4.9 ± 0.0 |
7.4 ± 0.1 |
95.3 ± 1.1 |
-28.39 ± 0.63 |
-1.45 ± 0.04 |
| MX3 |
-138.6 ± 1.8 |
4.7 ± 0.0 |
7.2 ± 0.1 |
95.3 ± 1.1 |
-29.22 ± 0.65 |
-1.45 ± 0.04 |
| RH8 |
-12.3 ± 3.5 |
59.5 ± 0.3 |
70.8 ± 1.3 |
74.5 ± 1.1 |
-0.21 ± 0.06 |
-0.17 ± 0.05 |
| RH9 |
-10.9 ± 3.6 |
59.1 ± 0.3 |
70.6 ± 1.3 |
74.8 ± 1.1 |
-0.18 ± 0.06 |
-0.15 ± 0.05 |
| RH10 |
-12.3 ± 3.5 |
59.7 ± 0.3 |
70.8 ± 1.3 |
74.4 ± 1.2 |
-0.21 ± 0.06 |
-0.16 ± 0.05 |
| Average |
-90.8 |
25.8 |
31.9 |
87.5 |
-19.8 |
-1.0 |
| Median |
-136.3 |
11.5 |
17.3 |
95.3 |
-11.9 |
-1.4 |
| Deviation |
65.4 |
28.0 |
32.4 |
10.6 |
20.9 |
0.7 |
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)
| 
