Database: Ace Shock Analysis
Event ID: 20002790240
Observation time: 10/05/2000 279.11122 0240 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
279.111215 |
| Arrival time of shock [seconds of day] |
9609.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.035 |
| Y GSE location of spacecraft [Re] |
-0.004 |
| Z GSE location of spacecraft [Re] |
-0.001 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0040 |
| Downstream plasma points selected for analysis |
0014
|
| Downstream field points selected for analysis |
0056 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.54, 29.79, 39.08 |
Event added to database
|
Sat Apr 30 21:47:58 2005
|
Event last processed
|
Tue May 3 13:36:08 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.006 ± 0.001
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-358.3 ± 2.0 |
-457.7 ± 3.3 |
| Vy GSE [km/s] |
-35.0 ± 0.6 |
-54.3 ± 4.5 |
| Vz GSE [km/s] |
13.8 ± 0.6 |
41.7 ± 2.4 |
| Wi [km/s] |
16.7 ± 0.8 |
36.7 ± 1.2 |
| We [km/s] |
528.3 ± 26.2 |
1161.2 ± 37.5 |
| Ni [n/cc] |
7.0 ± 0.3 |
16.8 ± 1.6 |
| Bx GSE [nT] |
-0.1 ± 0.3 |
-3.8 ± 0.3 |
| By GSE [nT] |
-0.5 ± 0.1 |
-2.9 ± 1.7 |
| Bz GSE [nT] |
-7.2 ± 0.1 |
-16.8 ± 0.7 |
Plasma Beta
|
0.079 ± 0.082
|
0.156 ± 0.166
|
Sound Speed [km/s]
|
21.57 ± 1.07
|
47.41 ± 1.53
|
Alfven Speed [km/s]
|
59.37 ± 1.31
|
93.68 ± 7.65
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.825 ± 0.152 |
-0.368 ± 0.336 |
0.429 ± 0.400 |
25.39 ± 3.36 |
204.05 ± 23.35 |
| VC |
-0.946 ± 0.011 |
-0.184 ± 0.043 |
0.266 ± 0.259 |
15.40 ± 1.53 |
190.98 ± 2.59 |
| MX1 |
-0.907 ± 0.016 |
-0.167 ± 0.040 |
0.386 ± 0.366 |
22.73 ± 2.15 |
190.41 ± 2.52 |
| MX2 |
-0.909 ± 0.016 |
-0.162 ± 0.040 |
0.384 ± 0.364 |
22.57 ± 2.11 |
190.08 ± 2.52 |
| MX3 |
-0.910 ± 0.016 |
-0.159 ± 0.042 |
0.382 ± 0.362 |
22.47 ± 2.09 |
189.89 ± 2.64 |
| RH08 |
-0.931 ± 0.013 |
-0.156 ± 0.033 |
0.330 ± 0.317 |
19.25 ± 2.00 |
189.53 ± 2.00 |
| RH09 |
-0.550 ± 0.063 |
-0.747 ± 0.047 |
0.374 ± 0.356 |
21.98 ± 2.53 |
233.65 ± 4.75 |
| RH10 |
-0.607 ± 0.055 |
-0.689 ± 0.051 |
0.397 ± 0.374 |
23.37 ± 4.03 |
228.64 ± 4.35 |
| Average |
-0.823 |
-0.329 |
0.368 |
21.643 |
202.152 |
| Median |
-0.907 |
-0.167 |
0.384 |
22.572 |
190.977 |
| Deviation |
0.156 |
0.251 |
0.050 |
3.037 |
18.575 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
67.4 ± 1.9 |
490.0 ± 12.5 |
2.29 ± 0.19 |
| VC |
76.6 ± 2.2 |
531.1 ± 12.9 |
2.29 ± 0.19 |
| MX1 |
69.2 ± 2.2 |
517.1 ± 13.2 |
2.29 ± 0.19 |
| MX2 |
69.4 ± 2.2 |
517.7 ± 13.2 |
2.29 ± 0.19 |
| MX3 |
69.5 ± 2.2 |
518.0 ± 13.2 |
2.29 ± 0.19 |
| RH08 |
72.7 ± 2.2 |
525.3 ± 13.1 |
2.29 ± 0.19 |
| RH09 |
72.1 ± 1.1 |
366.2 ± 9.7 |
2.29 ± 0.19 |
| RH10 |
70.5 ± 1.2 |
393.7 ± 10.2 |
2.29 ± 0.19 |
| Average |
70.9 |
482.4 |
2.29 |
| Median |
70.5 |
517.7 |
2.29 |
| Deviation |
2.8 |
64.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
175.6 ± 1.7 |
7.8 ± 0.4 |
22.8 ± 0.5 |
62.7 ± 1.5 |
22.45 ± 1.14 |
2.80 ± 0.08 |
| VC |
181.9 ± 2.0 |
4.7 ± 0.2 |
13.8 ± 0.3 |
63.0 ± 1.6 |
38.69 ± 1.95 |
2.89 ± 0.09 |
| MX1 |
180.9 ± 1.9 |
7.2 ± 0.3 |
21.0 ± 0.5 |
62.8 ± 1.5 |
25.07 ± 1.27 |
2.88 ± 0.09 |
| MX2 |
181.0 ± 1.9 |
7.2 ± 0.3 |
20.9 ± 0.5 |
62.8 ± 1.5 |
25.25 ± 1.27 |
2.89 ± 0.09 |
| MX3 |
181.1 ± 1.9 |
7.2 ± 0.3 |
20.8 ± 0.5 |
62.8 ± 1.5 |
25.36 ± 1.28 |
2.89 ± 0.09 |
| RH8 |
181.7 ± 1.9 |
6.1 ± 0.3 |
17.7 ± 0.4 |
62.9 ± 1.5 |
30.00 ± 1.51 |
2.89 ± 0.09 |
| RH9 |
138.0 ± 1.2 |
6.3 ± 0.3 |
18.3 ± 0.4 |
62.9 ± 1.5 |
22.03 ± 1.12 |
2.20 ± 0.07 |
| RH10 |
146.8 ± 1.3 |
6.8 ± 0.3 |
19.8 ± 0.4 |
62.8 ± 1.5 |
21.64 ± 1.10 |
2.34 ± 0.07 |
| Average |
170.9 |
6.7 |
19.4 |
62.8 |
26.3 |
2.7 |
| Median |
181.0 |
7.2 |
20.8 |
62.8 |
25.2 |
2.9 |
| Deviation |
17.9 |
1.0 |
2.8 |
0.1 |
5.7 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
74.5 ± 2.4 |
16.4 ± 0.6 |
36.0 ± 2.9 |
103.8 ± 7.0 |
4.55 ± 0.25 |
0.72 ± 0.05 |
| VC |
76.8 ± 2.8 |
9.8 ± 0.3 |
21.7 ± 1.8 |
104.6 ± 7.0 |
7.82 ± 0.44 |
0.74 ± 0.05 |
| MX1 |
76.7 ± 2.6 |
15.1 ± 0.5 |
33.2 ± 2.7 |
103.9 ± 7.0 |
5.08 ± 0.29 |
0.74 ± 0.06 |
| MX2 |
76.8 ± 2.6 |
15.0 ± 0.5 |
33.0 ± 2.7 |
104.0 ± 7.0 |
5.12 ± 0.29 |
0.74 ± 0.06 |
| MX3 |
76.8 ± 2.6 |
15.0 ± 0.5 |
32.9 ± 2.7 |
104.0 ± 7.0 |
5.14 ± 0.29 |
0.74 ± 0.06 |
| RH8 |
76.9 ± 2.7 |
12.7 ± 0.4 |
27.9 ± 2.3 |
104.3 ± 7.0 |
6.07 ± 0.34 |
0.74 ± 0.05 |
| RH9 |
58.5 ± 3.0 |
13.1 ± 0.4 |
28.9 ± 2.4 |
104.2 ± 7.0 |
4.46 ± 0.28 |
0.56 ± 0.04 |
| RH10 |
62.1 ± 2.8 |
14.2 ± 0.5 |
31.2 ± 2.5 |
104.1 ± 7.0 |
4.37 ± 0.26 |
0.60 ± 0.04 |
| Average |
72.4 |
13.9 |
30.6 |
104.1 |
5.3 |
0.7 |
| Median |
76.8 |
15.0 |
32.9 |
104.1 |
5.1 |
0.7 |
| Deviation |
7.6 |
2.0 |
4.4 |
0.3 |
1.1 |
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 Mon Apr 13 08:55:21 2009
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
