Database: Ace Shock Analysis
Event ID: 20002100542
Observation time: 07/28/2000 210.23800 0542 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
210.237998 |
| Arrival time of shock [seconds of day] |
20563.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.039 |
| Y GSE location of spacecraft [Re] |
0.000 |
| Z GSE location of spacecraft [Re] |
0.003 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0024 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0019 |
| Minimum chisq/dof for RH8,RH9,RH10 |
17.68, 33.10, 35.16 |
Event added to database
|
Sat Apr 30 21:47:05 2005
|
Event last processed
|
Wed Oct 15 16:41:35 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.009 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-336.2 ± 3.3 |
-446.6 ± 4.0 |
| Vy GSE [km/s] |
-4.5 ± 2.7 |
14.7 ± 4.3 |
| Vz GSE [km/s] |
-19.4 ± 4.9 |
-26.3 ± 6.4 |
| Wi [km/s] |
22.6 ± 2.9 |
37.4 ± 2.7 |
| We [km/s] |
715.9 ± 90.7 |
1181.8 ± 84.6 |
| Ni [n/cc] |
4.6 ± 1.6 |
20.1 ± 1.1 |
| Bx GSE [nT] |
4.0 ± 0.6 |
1.9 ± 0.5 |
| By GSE [nT] |
6.8 ± 0.4 |
17.4 ± 0.7 |
| Bz GSE [nT] |
-3.4 ± 0.5 |
-9.8 ± 0.9 |
Plasma Beta
|
0.076 ± 0.104
|
0.148 ± 0.153
|
Sound Speed [km/s]
|
29.17 ± 3.72
|
47.38 ± 3.41
|
Alfven Speed [km/s]
|
89.11 ± 17.92
|
95.51 ± 0.95
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.974 ± 0.026 |
-0.227 ± 0.112 |
-0.024 ± 0.024 |
-1.37 ± 10.54 |
193.14 ± 6.56 |
| VC |
-0.983 ± 0.008 |
0.170 ± 0.038 |
-0.062 ± 0.062 |
-3.58 ± 3.86 |
170.19 ± 2.20 |
| MX1 |
-0.986 ± 0.010 |
-0.140 ± 0.055 |
0.088 ± 0.088 |
5.05 ± 3.62 |
188.06 ± 3.18 |
| MX2 |
-0.986 ± 0.011 |
-0.128 ± 0.062 |
0.103 ± 0.103 |
5.91 ± 3.90 |
187.39 ± 3.58 |
| MX3 |
-0.986 ± 0.012 |
-0.120 ± 0.068 |
0.113 ± 0.113 |
6.49 ± 4.28 |
186.93 ± 3.95 |
| RH08 |
-0.991 ± 0.001 |
-0.131 ± 0.009 |
0.006 ± 0.006 |
0.32 ± 1.03 |
187.52 ± 0.54 |
| RH09 |
-0.993 ± 0.008 |
-0.113 ± 0.068 |
0.028 ± 0.028 |
1.60 ± 4.06 |
186.52 ± 3.90 |
| RH10 |
-0.993 ± 0.008 |
-0.114 ± 0.068 |
0.017 ± 0.017 |
0.96 ± 4.05 |
186.52 ± 3.94 |
| Average |
-0.987 |
-0.100 |
0.033 |
1.922 |
185.783 |
| Median |
-0.986 |
-0.120 |
0.028 |
1.601 |
187.386 |
| Deviation |
0.006 |
0.115 |
0.063 |
3.612 |
6.659 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
52.4 ± 5.1 |
465.3 ± 13.9 |
5.26 ± 2.41 |
| VC |
73.4 ± 5.1 |
479.0 ± 15.4 |
5.26 ± 2.41 |
| MX1 |
53.7 ± 5.1 |
469.9 ± 14.4 |
5.26 ± 2.41 |
| MX2 |
53.9 ± 5.1 |
469.8 ± 14.5 |
5.26 ± 2.41 |
| MX3 |
54.1 ± 5.1 |
469.7 ± 14.5 |
5.26 ± 2.41 |
| RH08 |
56.3 ± 5.1 |
474.7 ± 14.5 |
5.26 ± 2.41 |
| RH09 |
56.6 ± 5.1 |
475.4 ± 14.6 |
5.26 ± 2.41 |
| RH10 |
56.9 ± 5.1 |
475.8 ± 14.6 |
5.26 ± 2.41 |
| Average |
57.2 |
472.4 |
5.26 |
| Median |
56.3 |
474.7 |
5.26 |
| Deviation |
6.8 |
4.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
136.5 ± 3.4 |
17.1 ± 1.9 |
54.4 ± 10.9 |
92.4 ± 16.7 |
8.05 ± 0.73 |
1.52 ± 0.28 |
| VC |
148.0 ± 3.4 |
7.8 ± 0.8 |
25.4 ± 5.1 |
93.7 ± 16.3 |
18.98 ± 1.57 |
1.62 ± 0.28 |
| MX1 |
139.4 ± 3.2 |
16.6 ± 1.8 |
52.8 ± 10.6 |
92.5 ± 16.7 |
8.49 ± 0.77 |
1.55 ± 0.28 |
| MX2 |
139.7 ± 3.2 |
16.5 ± 1.8 |
52.5 ± 10.6 |
92.6 ± 16.7 |
8.55 ± 0.78 |
1.55 ± 0.28 |
| MX3 |
139.8 ± 3.2 |
16.4 ± 1.8 |
52.3 ± 10.5 |
92.6 ± 16.7 |
8.60 ± 0.78 |
1.55 ± 0.28 |
| RH8 |
140.9 ± 3.3 |
15.5 ± 1.7 |
49.4 ± 9.9 |
92.7 ± 16.6 |
9.19 ± 0.82 |
1.56 ± 0.28 |
| RH9 |
141.6 ± 3.3 |
15.3 ± 1.6 |
49.1 ± 9.9 |
92.8 ± 16.6 |
9.30 ± 0.83 |
1.57 ± 0.28 |
| RH10 |
141.7 ± 3.3 |
15.2 ± 1.6 |
48.7 ± 9.8 |
92.8 ± 16.6 |
9.38 ± 0.84 |
1.57 ± 0.28 |
| Average |
140.9 |
15.0 |
48.1 |
92.8 |
10.1 |
1.6 |
| Median |
140.9 |
16.4 |
52.3 |
92.7 |
9.2 |
1.6 |
| Deviation |
3.3 |
3.0 |
9.4 |
0.4 |
3.6 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
33.8 ± 3.1 |
26.8 ± 1.6 |
58.3 ± 0.6 |
103.2 ± 1.3 |
1.27 ± 0.17 |
0.33 ± 0.03 |
| VC |
36.3 ± 4.7 |
12.2 ± 0.7 |
27.2 ± 0.3 |
106.0 ± 1.5 |
3.00 ± 0.47 |
0.34 ± 0.04 |
| MX1 |
34.6 ± 3.9 |
25.9 ± 1.6 |
56.6 ± 0.6 |
103.5 ± 1.3 |
1.34 ± 0.19 |
0.33 ± 0.04 |
| MX2 |
34.8 ± 4.0 |
25.7 ± 1.6 |
56.3 ± 0.6 |
103.5 ± 1.3 |
1.36 ± 0.20 |
0.34 ± 0.04 |
| MX3 |
34.9 ± 4.1 |
25.6 ± 1.6 |
56.1 ± 0.6 |
103.5 ± 1.3 |
1.37 ± 0.20 |
0.34 ± 0.04 |
| RH8 |
34.6 ± 3.7 |
24.1 ± 1.5 |
53.0 ± 0.5 |
103.9 ± 1.3 |
1.44 ± 0.20 |
0.33 ± 0.04 |
| RH9 |
35.0 ± 3.8 |
24.0 ± 1.4 |
52.6 ± 0.5 |
103.9 ± 1.3 |
1.47 ± 0.21 |
0.34 ± 0.04 |
| RH10 |
35.0 ± 3.8 |
23.8 ± 1.4 |
52.2 ± 0.5 |
104.0 ± 1.4 |
1.48 ± 0.21 |
0.34 ± 0.04 |
| Average |
34.9 |
23.5 |
51.5 |
103.9 |
1.6 |
0.3 |
| Median |
34.9 |
25.6 |
56.1 |
103.9 |
1.4 |
0.3 |
| Deviation |
0.7 |
4.7 |
10.1 |
0.9 |
0.6 |
0.0 |
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)
| 
