Database: Ace Shock Analysis
Event ID: 20002100909
Observation time: 07/28/2000 210.38170 0909 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
210.381701 |
| Arrival time of shock [seconds of day] |
32979.0 ± 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 |
0008 |
| Upstream field points selected for analysis |
0030 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0028 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.18, 10.67, 11.09 |
Event added to database
|
Sat Apr 30 21:47:09 2005
|
Event last processed
|
Wed Oct 15 16:43:38 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.008 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-385.2 ± 2.6 |
-433.8 ± 8.4 |
| Vy GSE [km/s] |
33.4 ± 4.7 |
12.7 ± 5.9 |
| Vz GSE [km/s] |
46.6 ± 6.2 |
79.8 ± 5.5 |
| Wi [km/s] |
35.5 ± 1.3 |
45.3 ± 2.9 |
| We [km/s] |
1123.8 ± 42.0 |
1433.0 ± 92.8 |
| Ni [n/cc] |
19.4 ± 1.3 |
34.9 ± 2.6 |
| Bx GSE [nT] |
8.7 ± 0.6 |
7.6 ± 1.0 |
| By GSE [nT] |
13.8 ± 0.5 |
19.4 ± 1.3 |
| Bz GSE [nT] |
6.1 ± 1.6 |
15.2 ± 1.5 |
Plasma Beta
|
0.169 ± 0.163
|
0.227 ± 0.235
|
Sound Speed [km/s]
|
45.78 ± 1.67
|
58.55 ± 3.75
|
Alfven Speed [km/s]
|
86.36 ± 3.26
|
95.56 ± 3.74
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.780 ± 0.141 |
-0.580 ± 0.188 |
0.236 ± 0.232 |
13.67 ± 5.96 |
216.63 ± 13.75 |
| VC |
-0.781 ± 0.071 |
-0.334 ± 0.107 |
0.527 ± 0.472 |
31.81 ± 6.47 |
203.16 ± 7.63 |
| MX1 |
-0.789 ± 0.096 |
-0.562 ± 0.132 |
0.247 ± 0.242 |
14.30 ± 6.49 |
215.46 ± 9.51 |
| MX2 |
-0.798 ± 0.089 |
-0.552 ± 0.125 |
0.242 ± 0.238 |
14.03 ± 6.71 |
214.70 ± 8.91 |
| MX3 |
-0.809 ± 0.081 |
-0.538 ± 0.117 |
0.236 ± 0.232 |
13.65 ± 7.05 |
213.63 ± 8.21 |
| RH08 |
-0.963 ± 0.004 |
-0.250 ± 0.016 |
0.106 ± 0.106 |
6.09 ± 0.70 |
194.54 ± 0.97 |
| RH09 |
-0.974 ± 0.016 |
-0.216 ± 0.067 |
0.073 ± 0.072 |
4.16 ± 4.00 |
192.53 ± 3.96 |
| RH10 |
-0.978 ± 0.014 |
-0.200 ± 0.067 |
0.061 ± 0.061 |
3.52 ± 4.03 |
191.53 ± 3.95 |
| Average |
-0.859 |
-0.404 |
0.216 |
12.655 |
205.274 |
| Median |
-0.798 |
-0.334 |
0.236 |
13.673 |
213.634 |
| Deviation |
0.094 |
0.170 |
0.149 |
9.040 |
11.099 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
40.4 ± 5.0 |
420.1 ± 24.4 |
1.79 ± 0.13 |
| VC |
62.3 ± 5.0 |
452.5 ± 25.2 |
1.79 ± 0.13 |
| MX1 |
41.5 ± 4.9 |
425.7 ± 24.5 |
1.79 ± 0.13 |
| MX2 |
41.7 ± 4.9 |
429.0 ± 24.5 |
1.79 ± 0.13 |
| MX3 |
42.0 ± 4.8 |
433.8 ± 24.4 |
1.79 ± 0.13 |
| RH08 |
50.5 ± 3.3 |
489.4 ± 22.8 |
1.79 ± 0.13 |
| RH09 |
51.1 ± 3.1 |
490.5 ± 22.4 |
1.79 ± 0.13 |
| RH10 |
51.7 ± 3.0 |
491.2 ± 22.3 |
1.79 ± 0.13 |
| Average |
47.6 |
454.0 |
1.79 |
| Median |
50.5 |
452.5 |
1.79 |
| Deviation |
7.6 |
31.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
127.7 ± 4.7 |
32.7 ± 1.1 |
65.8 ± 2.5 |
92.1 ± 3.2 |
3.91 ± 0.10 |
1.39 ± 0.05 |
| VC |
137.8 ± 5.4 |
19.2 ± 0.6 |
40.2 ± 1.5 |
95.9 ± 3.3 |
7.18 ± 0.18 |
1.44 ± 0.06 |
| MX1 |
128.5 ± 4.7 |
32.0 ± 1.1 |
64.7 ± 2.4 |
92.4 ± 3.2 |
4.01 ± 0.10 |
1.39 ± 0.05 |
| MX2 |
128.5 ± 4.7 |
31.9 ± 1.1 |
64.5 ± 2.4 |
92.4 ± 3.2 |
4.02 ± 0.10 |
1.39 ± 0.05 |
| MX3 |
128.7 ± 4.6 |
31.8 ± 1.1 |
64.2 ± 2.4 |
92.4 ± 3.2 |
4.05 ± 0.10 |
1.39 ± 0.05 |
| RH8 |
122.0 ± 3.3 |
26.8 ± 0.9 |
55.0 ± 2.1 |
94.0 ± 3.3 |
4.56 ± 0.10 |
1.30 ± 0.04 |
| RH9 |
119.4 ± 3.2 |
26.4 ± 0.9 |
54.2 ± 2.0 |
94.1 ± 3.3 |
4.53 ± 0.10 |
1.27 ± 0.03 |
| RH10 |
118.3 ± 3.1 |
26.0 ± 0.9 |
53.6 ± 2.0 |
94.2 ± 3.3 |
4.55 ± 0.10 |
1.26 ± 0.03 |
| Average |
126.4 |
28.3 |
57.7 |
93.4 |
4.6 |
1.4 |
| Median |
128.5 |
31.8 |
64.2 |
94.0 |
4.5 |
1.4 |
| Deviation |
6.3 |
4.7 |
8.8 |
1.3 |
1.1 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
70.4 ± 8.3 |
40.8 ± 2.2 |
72.8 ± 2.8 |
104.4 ± 3.5 |
1.73 ± 0.26 |
0.67 ± 0.08 |
| VC |
75.9 ± 8.1 |
23.7 ± 1.2 |
44.4 ± 1.7 |
109.6 ± 3.7 |
3.21 ± 0.43 |
0.69 ± 0.08 |
| MX1 |
70.8 ± 8.3 |
40.0 ± 2.1 |
71.5 ± 2.8 |
104.7 ± 3.5 |
1.78 ± 0.26 |
0.68 ± 0.08 |
| MX2 |
70.7 ± 8.3 |
39.8 ± 2.1 |
71.3 ± 2.8 |
104.8 ± 3.5 |
1.78 ± 0.26 |
0.68 ± 0.08 |
| MX3 |
70.8 ± 8.3 |
39.6 ± 2.1 |
71.0 ± 2.8 |
104.9 ± 3.5 |
1.80 ± 0.27 |
0.68 ± 0.08 |
| RH8 |
66.5 ± 8.5 |
33.2 ± 1.7 |
60.8 ± 2.4 |
107.1 ± 3.6 |
2.01 ± 0.33 |
0.62 ± 0.08 |
| RH9 |
65.1 ± 8.5 |
32.7 ± 1.7 |
60.0 ± 2.3 |
107.2 ± 3.6 |
2.00 ± 0.33 |
0.61 ± 0.08 |
| RH10 |
64.6 ± 8.5 |
32.3 ± 1.7 |
59.3 ± 2.3 |
107.4 ± 3.6 |
2.01 ± 0.33 |
0.60 ± 0.08 |
| Average |
69.3 |
35.3 |
63.9 |
106.3 |
2.0 |
0.7 |
| Median |
70.7 |
39.6 |
71.0 |
107.1 |
2.0 |
0.7 |
| Deviation |
3.7 |
5.9 |
9.8 |
1.8 |
0.5 |
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)
| 
