Database: Wind Shock Analysis
Event ID: 20010171622
Observation time: 01/17/2001 17.68196 1622 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
17.681962 |
| Arrival time of shock [seconds of day] |
58921.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-1.600 |
| Y GSE location of spacecraft [Re] |
239.361 |
| Z GSE location of spacecraft [Re] |
-16.950 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0265 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0271 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.50, 15.28, 15.58 |
Event added to database
|
Mon Feb 14 11:12:04 2005
|
Event last processed
|
Mon Mar 30 20:24:30 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
10.207 ± 2.399
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-373.9 ± 1.4 |
-407.8 ± 3.3 |
| Vy GSE [km/s] |
3.5 ± 2.2 |
-3.9 ± 4.8 |
| Vz GSE [km/s] |
3.5 ± 0.8 |
-12.1 ± 4.2 |
| Wi [km/s] |
28.3 ± 0.7 |
38.4 ± 1.5 |
| We [km/s] |
894.9 ± 21.2 |
1213.9 ± 45.9 |
| Ni [n/cc] |
12.6 ± 0.3 |
23.0 ± 1.1 |
| Bx GSE [nT] |
1.4 ± 0.5 |
0.2 ± 1.1 |
| By GSE [nT] |
-2.3 ± 0.3 |
-2.7 ± 1.3 |
| Bz GSE [nT] |
1.0 ± 0.7 |
3.3 ± 1.6 |
Plasma Beta
|
2.460 ± 2.551
|
3.275 ± 3.171
|
Sound Speed [km/s]
|
36.54 ± 0.87
|
49.56 ± 1.87
|
Alfven Speed [km/s]
|
18.19 ± 1.51
|
21.63 ± 2.13
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.611 ± 0.345 |
0.720 ± 0.303 |
-0.329 ± 0.317 |
-19.21 ± 26.63 |
130.31 ± 26.28 |
| VC |
-0.891 ± 0.055 |
-0.202 ± 0.140 |
-0.408 ± 0.383 |
-24.06 ± 6.41 |
192.75 ± 9.00 |
| MX1 |
-0.938 ± 0.064 |
0.011 ± 0.727 |
-0.348 ± 0.333 |
-20.34 ± 10.50 |
179.30 ± 44.44 |
| MX2 |
-0.886 ± 0.104 |
-0.190 ± 0.278 |
-0.424 ± 0.396 |
-25.06 ± 11.86 |
192.10 ± 17.96 |
| MX3 |
-0.881 ± 0.095 |
-0.215 ± 0.166 |
-0.422 ± 0.395 |
-24.94 ± 12.09 |
193.71 ± 10.74 |
| RH08 |
-0.914 ± 0.008 |
-0.203 ± 0.016 |
-0.352 ± 0.337 |
-20.61 ± 1.10 |
192.53 ± 1.02 |
| RH09 |
-0.988 ± 0.011 |
-0.130 ± 0.069 |
0.084 ± 0.084 |
4.81 ± 4.02 |
187.52 ± 3.99 |
| RH10 |
-0.988 ± 0.011 |
-0.130 ± 0.069 |
0.084 ± 0.084 |
4.81 ± 4.02 |
187.52 ± 3.99 |
| Average |
-0.887 |
-0.042 |
-0.264 |
-15.575 |
181.968 |
| Median |
-0.891 |
-0.130 |
-0.348 |
-20.336 |
192.098 |
| Deviation |
0.119 |
0.317 |
0.218 |
12.772 |
21.402 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
17.5 ± 4.6 |
277.6 ± 10.4 |
1.81 ± 0.08 |
| VC |
66.4 ± 10.8 |
413.9 ± 6.7 |
1.81 ± 0.08 |
| MX1 |
55.3 ± 10.0 |
431.2 ± 8.0 |
1.81 ± 0.08 |
| MX2 |
65.6 ± 10.9 |
412.0 ± 6.7 |
1.81 ± 0.08 |
| MX3 |
67.0 ± 10.9 |
409.9 ± 6.6 |
1.81 ± 0.08 |
| RH08 |
67.0 ± 10.4 |
422.6 ± 6.8 |
1.81 ± 0.08 |
| RH09 |
70.2 ± 8.3 |
443.1 ± 8.6 |
1.81 ± 0.08 |
| RH10 |
70.2 ± 8.3 |
443.1 ± 8.6 |
1.81 ± 0.08 |
| Average |
59.9 |
406.7 |
1.81 |
| Median |
67.0 |
422.6 |
1.81 |
| Deviation |
17.8 |
53.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
47.8 ± 2.3 |
17.1 ± 1.4 |
17.3 ± 1.4 |
37.1 ± 0.9 |
2.80 ± 0.15 |
1.29 ± 0.05 |
| VC |
83.0 ± 1.0 |
6.6 ± 0.4 |
7.3 ± 0.6 |
40.3 ± 1.1 |
12.61 ± 0.73 |
2.06 ± 0.05 |
| MX1 |
81.8 ± 1.4 |
9.5 ± 0.7 |
10.4 ± 0.9 |
39.7 ± 1.0 |
8.62 ± 0.48 |
2.06 ± 0.04 |
| MX2 |
82.9 ± 1.0 |
6.8 ± 0.5 |
7.5 ± 0.6 |
40.3 ± 1.1 |
12.22 ± 0.70 |
2.06 ± 0.05 |
| MX3 |
82.7 ± 1.0 |
6.4 ± 0.4 |
7.1 ± 0.6 |
40.3 ± 1.1 |
12.92 ± 0.75 |
2.05 ± 0.05 |
| RH8 |
82.9 ± 1.0 |
6.4 ± 0.4 |
7.1 ± 0.6 |
40.3 ± 1.1 |
12.90 ± 0.74 |
2.06 ± 0.05 |
| RH9 |
73.9 ± 1.2 |
5.5 ± 0.4 |
6.2 ± 0.5 |
40.5 ± 1.1 |
13.35 ± 0.77 |
1.83 ± 0.04 |
| RH10 |
73.9 ± 1.2 |
5.5 ± 0.4 |
6.2 ± 0.5 |
40.5 ± 1.1 |
13.35 ± 0.77 |
1.83 ± 0.04 |
| Average |
76.1 |
8.0 |
8.6 |
39.9 |
11.1 |
1.9 |
| Median |
82.7 |
6.6 |
7.3 |
40.3 |
12.9 |
2.1 |
| Deviation |
12.1 |
3.9 |
3.8 |
1.2 |
3.7 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
27.3 ± 4.1 |
20.4 ± 1.9 |
20.6 ± 2.0 |
50.1 ± 1.7 |
1.34 ± 0.19 |
0.55 ± 0.09 |
| VC |
44.9 ± 0.7 |
8.0 ± 0.6 |
8.7 ± 0.9 |
53.5 ± 1.2 |
5.65 ± 0.53 |
0.84 ± 0.02 |
| MX1 |
44.7 ± 1.8 |
11.5 ± 1.0 |
12.3 ± 1.2 |
52.9 ± 1.2 |
3.90 ± 0.36 |
0.85 ± 0.04 |
| MX2 |
44.9 ± 0.7 |
8.3 ± 0.7 |
8.9 ± 0.9 |
53.5 ± 1.2 |
5.47 ± 0.52 |
0.84 ± 0.02 |
| MX3 |
44.7 ± 0.7 |
7.8 ± 0.6 |
8.4 ± 0.8 |
53.6 ± 1.2 |
5.77 ± 0.55 |
0.83 ± 0.02 |
| RH8 |
44.9 ± 0.9 |
7.8 ± 0.6 |
8.5 ± 0.8 |
53.6 ± 1.2 |
5.77 ± 0.54 |
0.84 ± 0.03 |
| RH9 |
40.7 ± 3.0 |
6.7 ± 0.5 |
7.3 ± 0.7 |
53.7 ± 1.1 |
6.07 ± 0.62 |
0.76 ± 0.06 |
| RH10 |
40.7 ± 3.0 |
6.7 ± 0.5 |
7.3 ± 0.7 |
53.7 ± 1.1 |
6.07 ± 0.62 |
0.76 ± 0.06 |
| Average |
41.6 |
9.7 |
10.3 |
53.1 |
5.0 |
0.8 |
| Median |
44.7 |
8.0 |
8.7 |
53.6 |
5.8 |
0.8 |
| Deviation |
6.1 |
4.6 |
4.5 |
1.2 |
1.6 |
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 Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
