Database: Ace Shock Analysis
Event ID: 20003380320
Observation time: 12/03/2000 338.13946 0320 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
338.139456 |
| Arrival time of shock [seconds of day] |
12049.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
0.036 |
| Y GSE location of spacecraft [Re] |
0.006 |
| Z GSE location of spacecraft [Re] |
-0.002 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0038 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0047 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.33, 4.79, 5.08 |
Event added to database
|
Sat Apr 30 21:48:40 2005
|
Event last processed
|
Tue May 3 13:44:53 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.008 ± 0.001
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-380.5 ± 2.5 |
-433.9 ± 9.8 |
| Vy GSE [km/s] |
-18.6 ± 1.6 |
-20.6 ± 9.8 |
| Vz GSE [km/s] |
5.2 ± 6.9 |
-13.7 ± 15.9 |
| Wi [km/s] |
36.9 ± 0.8 |
46.1 ± 2.6 |
| We [km/s] |
1165.9 ± 25.9 |
1457.2 ± 82.9 |
| Ni [n/cc] |
3.6 ± 0.2 |
5.5 ± 0.6 |
| Bx GSE [nT] |
-2.5 ± 0.4 |
-0.1 ± 2.0 |
| By GSE [nT] |
6.8 ± 0.4 |
8.5 ± 1.9 |
| Bz GSE [nT] |
1.4 ± 0.8 |
6.1 ± 3.2 |
Plasma Beta
|
0.186 ± 0.183
|
0.200 ± 0.206
|
Sound Speed [km/s]
|
47.60 ± 1.06
|
59.49 ± 3.39
|
Alfven Speed [km/s]
|
85.56 ± 2.54
|
103.47 ± 4.32
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.654 ± 0.333 |
0.757 ± 0.288 |
0.005 ± 0.005 |
0.31 ± 20.62 |
130.84 ± 25.23 |
| VC |
-0.956 ± 0.070 |
-0.059 ± 0.169 |
-0.287 ± 0.279 |
-16.68 ± 13.88 |
183.53 ± 10.14 |
| MX1 |
-0.752 ± 0.342 |
0.653 ± 0.394 |
0.095 ± 0.095 |
5.45 ± 10.22 |
139.03 ± 30.02 |
| MX2 |
-0.870 ± 0.157 |
0.454 ± 0.292 |
0.192 ± 0.189 |
11.05 ± 12.37 |
152.45 ± 19.21 |
| MX3 |
-0.952 ± 0.072 |
0.146 ± 0.176 |
0.269 ± 0.262 |
15.60 ± 14.40 |
171.28 ± 10.54 |
| RH08 |
-0.824 ± 0.008 |
0.123 ± 0.022 |
0.553 ± 0.488 |
33.58 ± 0.81 |
171.48 ± 1.54 |
| RH09 |
-0.844 ± 0.038 |
0.172 ± 0.069 |
0.508 ± 0.459 |
30.56 ± 4.02 |
168.47 ± 4.69 |
| RH10 |
-0.841 ± 0.038 |
0.187 ± 0.069 |
0.508 ± 0.459 |
30.56 ± 4.02 |
167.47 ± 4.69 |
| Average |
-0.837 |
0.304 |
0.230 |
13.803 |
160.567 |
| Median |
-0.841 |
0.187 |
0.269 |
15.597 |
168.468 |
| Deviation |
0.100 |
0.285 |
0.292 |
17.502 |
18.066 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
24.1 ± 2.8 |
323.7 ± 28.6 |
1.55 ± 0.17 |
| VC |
77.8 ± 2.3 |
532.0 ± 38.4 |
1.55 ± 0.17 |
| MX1 |
29.9 ± 1.7 |
381.6 ± 25.9 |
1.55 ± 0.17 |
| MX2 |
42.0 ± 3.0 |
449.8 ± 24.4 |
1.55 ± 0.17 |
| MX3 |
59.7 ± 4.2 |
496.2 ± 26.3 |
1.55 ± 0.17 |
| RH08 |
60.3 ± 6.0 |
410.4 ± 24.1 |
1.55 ± 0.17 |
| RH09 |
57.4 ± 5.7 |
422.3 ± 23.1 |
1.55 ± 0.17 |
| RH10 |
56.6 ± 5.7 |
420.1 ± 22.8 |
1.55 ± 0.17 |
| Average |
51.0 |
429.5 |
1.55 |
| Median |
57.4 |
422.3 |
1.55 |
| Deviation |
17.7 |
64.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
88.9 ± 1.5 |
42.0 ± 0.8 |
78.1 ± 2.3 |
88.4 ± 2.3 |
2.12 ± 0.05 |
1.01 ± 0.03 |
| VC |
168.6 ± 3.0 |
8.8 ± 0.1 |
18.1 ± 0.5 |
97.5 ± 2.0 |
19.09 ± 0.48 |
1.73 ± 0.05 |
| MX1 |
107.3 ± 1.9 |
39.4 ± 0.7 |
74.1 ± 2.2 |
89.7 ± 2.3 |
2.73 ± 0.07 |
1.20 ± 0.03 |
| MX2 |
126.1 ± 2.5 |
32.8 ± 0.6 |
63.6 ± 1.9 |
92.3 ± 2.2 |
3.85 ± 0.11 |
1.37 ± 0.04 |
| MX3 |
135.3 ± 3.1 |
21.5 ± 0.3 |
43.1 ± 1.3 |
95.5 ± 2.1 |
6.30 ± 0.21 |
1.42 ± 0.05 |
| RH8 |
96.3 ± 4.5 |
21.1 ± 0.3 |
42.4 ± 1.3 |
95.6 ± 2.1 |
4.56 ± 0.25 |
1.01 ± 0.05 |
| RH9 |
101.8 ± 4.3 |
23.0 ± 0.4 |
46.1 ± 1.4 |
95.2 ± 2.1 |
4.42 ± 0.22 |
1.07 ± 0.05 |
| RH10 |
101.1 ± 4.2 |
23.6 ± 0.4 |
47.1 ± 1.4 |
95.0 ± 2.1 |
4.28 ± 0.21 |
1.06 ± 0.05 |
| Average |
115.7 |
26.5 |
51.6 |
93.7 |
5.9 |
1.2 |
| Median |
107.3 |
23.6 |
47.1 |
95.2 |
4.4 |
1.2 |
| Deviation |
26.4 |
10.9 |
19.6 |
3.2 |
5.5 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
55.6 ± 13.0 |
52.3 ± 2.6 |
94.4 ± 3.9 |
107.3 ± 3.9 |
1.07 ± 0.29 |
0.52 ± 0.12 |
| VC |
112.0 ± 13.0 |
10.9 ± 0.4 |
21.9 ± 0.9 |
118.9 ± 3.5 |
10.27 ± 1.44 |
0.94 ± 0.11 |
| MX1 |
70.2 ± 11.7 |
49.0 ± 2.4 |
89.7 ± 3.7 |
108.9 ± 3.8 |
1.44 ± 0.29 |
0.64 ± 0.11 |
| MX2 |
84.2 ± 9.7 |
40.7 ± 1.8 |
76.9 ± 3.2 |
112.2 ± 3.6 |
2.08 ± 0.30 |
0.75 ± 0.09 |
| MX3 |
89.7 ± 7.0 |
26.6 ± 1.1 |
52.1 ± 2.2 |
116.4 ± 3.5 |
3.38 ± 0.35 |
0.77 ± 0.06 |
| RH8 |
62.9 ± 4.3 |
26.2 ± 1.1 |
51.3 ± 2.1 |
116.5 ± 3.5 |
2.41 ± 0.19 |
0.54 ± 0.03 |
| RH9 |
66.6 ± 4.5 |
28.6 ± 1.2 |
55.7 ± 2.3 |
115.9 ± 3.5 |
2.34 ± 0.20 |
0.57 ± 0.03 |
| RH10 |
66.1 ± 4.5 |
29.3 ± 1.2 |
57.0 ± 2.4 |
115.8 ± 3.5 |
2.26 ± 0.20 |
0.57 ± 0.03 |
| Average |
75.9 |
32.9 |
62.4 |
114.0 |
3.2 |
0.7 |
| Median |
70.2 |
29.3 |
57.0 |
115.9 |
2.3 |
0.6 |
| Deviation |
18.4 |
13.6 |
23.7 |
4.1 |
3.0 |
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)
| 
