Database: Wind Shock Analysis
Event ID: 20012731914
Observation time: 09/30/2001 273.80200 1914 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
273.801997 |
| Arrival time of shock [seconds of day] |
69292.5 ± 9.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
54.491 |
| Y GSE location of spacecraft [Re] |
-0.992 |
| Z GSE location of spacecraft [Re] |
4.867 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0260 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0261 |
| Minimum chisq/dof for RH8,RH9,RH10 |
460.89, 694.43, 1047.38 |
Event added to database
|
Sat Mar 12 22:45:09 2005
|
Event last processed
|
Mon Mar 30 23:38:39 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
7.188 ± 0.977
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-458.9 ± 2.1 |
-552.2 ± 1.4 |
| Vy GSE [km/s] |
-25.0 ± 1.0 |
-44.4 ± 4.6 |
| Vz GSE [km/s] |
-3.0 ± 2.7 |
-12.4 ± 2.8 |
| Wi [km/s] |
28.4 ± 1.0 |
42.3 ± 3.3 |
| We [km/s] |
897.2 ± 30.4 |
1339.2 ± 103.2 |
| Ni [n/cc] |
12.7 ± 0.7 |
16.4 ± 0.8 |
| Bx GSE [nT] |
-2.8 ± 0.3 |
-2.9 ± 0.5 |
| By GSE [nT] |
7.1 ± 0.4 |
16.7 ± 0.1 |
| Bz GSE [nT] |
-3.1 ± 0.7 |
-2.1 ± 0.4 |
Plasma Beta
|
0.314 ± 0.331
|
0.213 ± 0.238
|
Sound Speed [km/s]
|
36.63 ± 1.24
|
54.67 ± 4.21
|
Alfven Speed [km/s]
|
50.78 ± 2.22
|
92.26 ± 3.03
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.596 ± 0.078 |
0.083 ± 0.075 |
-0.798 ± 0.557 |
-52.97 ± 5.59 |
172.04 ± 7.09 |
| VC |
-0.974 ± 0.009 |
-0.203 ± 0.042 |
-0.098 ± 0.098 |
-5.62 ± 2.03 |
191.78 ± 2.49 |
| MX1 |
-0.983 ± 0.013 |
0.012 ± 0.065 |
-0.182 ± 0.180 |
-10.48 ± 4.05 |
179.30 ± 3.76 |
| MX2 |
-0.993 ± 0.004 |
0.003 ± 0.059 |
-0.121 ± 0.121 |
-6.97 ± 2.12 |
179.80 ± 3.42 |
| MX3 |
-0.997 ± 0.002 |
-0.002 ± 0.057 |
-0.077 ± 0.077 |
-4.43 ± 1.28 |
180.14 ± 3.26 |
| RH08 |
-0.899 ± 0.004 |
0.430 ± 0.008 |
0.084 ± 0.084 |
4.81 ± 0.67 |
154.43 ± 0.52 |
| RH09 |
-0.890 ± 0.032 |
0.445 ± 0.062 |
0.095 ± 0.095 |
5.45 ± 4.02 |
153.43 ± 3.99 |
| RH10 |
-0.889 ± 0.032 |
0.445 ± 0.063 |
0.106 ± 0.106 |
6.09 ± 4.02 |
153.43 ± 4.03 |
| Average |
-0.903 |
0.152 |
-0.124 |
-8.014 |
170.544 |
| Median |
-0.899 |
0.083 |
-0.077 |
-4.428 |
179.302 |
| Deviation |
0.132 |
0.252 |
0.294 |
19.240 |
14.897 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
54.9 ± 6.0 |
558.9 ± 81.7 |
1.27 ± 0.06 |
| VC |
78.7 ± 3.3 |
889.4 ± 126.3 |
1.27 ± 0.06 |
| MX1 |
65.5 ± 3.3 |
874.6 ± 120.5 |
1.27 ± 0.06 |
| MX2 |
67.2 ± 3.0 |
879.7 ± 120.9 |
1.27 ± 0.06 |
| MX3 |
68.4 ± 2.8 |
881.3 ± 121.0 |
1.27 ± 0.06 |
| RH08 |
49.8 ± 1.0 |
730.8 ± 90.5 |
1.27 ± 0.06 |
| RH09 |
49.4 ± 1.0 |
721.9 ± 88.7 |
1.27 ± 0.06 |
| RH10 |
49.8 ± 1.0 |
720.8 ± 88.5 |
1.27 ± 0.06 |
| Average |
60.5 |
782.2 |
1.27 |
| Median |
65.5 |
874.6 |
1.27 |
| Deviation |
11.0 |
119.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
284.8 ± 2.2 |
17.8 ± 0.5 |
29.2 ± 1.3 |
60.0 ± 2.0 |
16.01 ± 0.52 |
4.75 ± 0.16 |
| VC |
437.0 ± 2.1 |
5.8 ± 0.2 |
9.9 ± 0.4 |
62.4 ± 2.0 |
75.14 ± 2.26 |
7.01 ± 0.25 |
| MX1 |
423.1 ± 2.1 |
12.6 ± 0.4 |
21.0 ± 0.9 |
61.4 ± 2.0 |
33.72 ± 1.01 |
6.90 ± 0.24 |
| MX2 |
424.0 ± 2.1 |
11.7 ± 0.3 |
19.7 ± 0.9 |
61.5 ± 2.0 |
36.22 ± 1.08 |
6.90 ± 0.24 |
| MX3 |
423.5 ± 2.1 |
11.1 ± 0.3 |
18.7 ± 0.8 |
61.6 ± 2.0 |
38.22 ± 1.13 |
6.88 ± 0.24 |
| RH8 |
329.3 ± 1.9 |
20.2 ± 0.6 |
32.8 ± 1.4 |
59.3 ± 2.0 |
16.28 ± 0.46 |
5.56 ± 0.20 |
| RH9 |
324.8 ± 1.9 |
20.4 ± 0.6 |
33.1 ± 1.4 |
59.2 ± 2.0 |
15.89 ± 0.45 |
5.49 ± 0.20 |
| RH10 |
324.2 ± 1.9 |
20.3 ± 0.6 |
32.8 ± 1.4 |
59.3 ± 2.0 |
16.00 ± 0.45 |
5.48 ± 0.20 |
| Average |
371.3 |
15.0 |
24.6 |
60.6 |
30.9 |
6.1 |
| Median |
423.1 |
17.8 |
29.2 |
61.4 |
33.7 |
6.9 |
| Deviation |
61.1 |
5.5 |
8.6 |
1.3 |
20.5 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
223.3 ± 1.1 |
28.0 ± 1.5 |
53.0 ± 1.7 |
103.6 ± 1.2 |
8.01 ± 0.42 |
2.16 ± 0.04 |
| VC |
341.2 ± 0.5 |
9.2 ± 0.5 |
18.0 ± 0.6 |
106.9 ± 1.0 |
37.18 ± 1.92 |
3.19 ± 0.03 |
| MX1 |
330.0 ± 0.9 |
19.8 ± 1.0 |
38.2 ± 1.3 |
105.5 ± 1.1 |
16.71 ± 0.91 |
3.13 ± 0.02 |
| MX2 |
330.3 ± 1.1 |
18.5 ± 1.0 |
35.8 ± 1.2 |
105.7 ± 1.1 |
17.92 ± 0.98 |
3.12 ± 0.02 |
| MX3 |
329.7 ± 1.2 |
17.5 ± 0.9 |
33.9 ± 1.1 |
105.9 ± 1.1 |
18.90 ± 1.03 |
3.11 ± 0.02 |
| RH8 |
254.6 ± 3.4 |
31.7 ± 1.8 |
59.5 ± 2.0 |
102.5 ± 1.3 |
8.05 ± 0.53 |
2.48 ± 0.01 |
| RH9 |
251.3 ± 3.5 |
32.0 ± 1.8 |
60.1 ± 2.0 |
102.4 ± 1.3 |
7.87 ± 0.52 |
2.45 ± 0.01 |
| RH10 |
250.9 ± 3.5 |
31.7 ± 1.8 |
59.6 ± 2.0 |
102.5 ± 1.3 |
7.92 ± 0.52 |
2.45 ± 0.01 |
| Average |
288.9 |
23.5 |
44.8 |
104.4 |
15.3 |
2.8 |
| Median |
329.7 |
28.0 |
53.0 |
105.5 |
16.7 |
3.1 |
| Deviation |
48.0 |
8.5 |
15.6 |
1.8 |
10.1 |
0.4 |
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)
| 
