Database: Ace Shock Analysis
Event ID: 20052360537
Observation time: 08/24/2005 236.23453 0537 [UT]
|
|
General
Information (About, Top)
| Year |
2005 |
| Fractional day of year |
236.234526 |
| Arrival time of shock [seconds of day] |
20263.0 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
223.996 |
| Y GSE location of spacecraft [Re] |
10.454 |
| Z GSE location of spacecraft [Re] |
4.467 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0548 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0388 |
| Minimum chisq/dof for RH8,RH9,RH10 |
11.31, 20.14, 21.17 |
Event added to database
|
Fri Oct 10 16:23:18 2014
|
Event last processed
|
Wed Oct 15 11:41:06 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
56.909 ± 27.318
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-441.9 ± 2.8 |
-533.4 ± 5.0 |
| Vy GSE [km/s] |
-8.8 ± 2.2 |
8.5 ± 3.3 |
| Vz GSE [km/s] |
-9.7 ± 3.6 |
31.7 ± 2.4 |
| Wi [km/s] |
34.6 ± 1.5 |
62.0 ± 1.9 |
| We [km/s] |
1093.7 ± 47.7 |
1962.2 ± 58.8 |
| Ni [n/cc] |
9.6 ± 0.9 |
24.3 ± 3.1 |
| Bx GSE [nT] |
-1.0 ± 0.3 |
3.4 ± 0.6 |
| By GSE [nT] |
9.4 ± 0.3 |
21.2 ± 0.8 |
| Bz GSE [nT] |
6.2 ± 0.5 |
9.3 ± 0.8 |
Plasma Beta
|
0.188 ± 0.187
|
0.361 ± 0.388
|
Sound Speed [km/s]
|
44.65 ± 1.95
|
80.11 ± 2.40
|
Alfven Speed [km/s]
|
80.25 ± 4.38
|
104.30 ± 10.39
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.746 ± 0.113 |
0.112 ± 0.049 |
0.656 ± 0.540 |
41.01 ± 9.97 |
171.48 ± 3.50 |
| VC |
-0.898 ± 0.020 |
0.169 ± 0.031 |
0.407 ± 0.383 |
24.03 ± 2.69 |
169.35 ± 1.96 |
| MX1 |
-0.879 ± 0.020 |
0.212 ± 0.032 |
0.428 ± 0.399 |
25.32 ± 2.52 |
166.41 ± 2.05 |
| MX2 |
-0.880 ± 0.021 |
0.214 ± 0.032 |
0.423 ± 0.396 |
25.05 ± 2.66 |
166.34 ± 2.08 |
| MX3 |
-0.882 ± 0.021 |
0.215 ± 0.033 |
0.420 ± 0.393 |
24.84 ± 2.78 |
166.29 ± 2.09 |
| RH08 |
-0.305 ± 0.018 |
0.371 ± 0.019 |
-0.877 ± 0.514 |
-61.29 ± 1.33 |
129.36 ± 2.01 |
| RH09 |
-0.932 ± 0.025 |
0.207 ± 0.062 |
0.296 ± 0.287 |
17.22 ± 4.09 |
167.47 ± 3.81 |
| RH10 |
-0.936 ± 0.024 |
0.208 ± 0.065 |
0.285 ± 0.277 |
16.55 ± 4.05 |
167.47 ± 3.99 |
| Average |
-0.807 |
0.214 |
0.255 |
14.091 |
163.020 |
| Median |
-0.880 |
0.212 |
0.420 |
24.841 |
167.465 |
| Deviation |
0.211 |
0.073 |
0.471 |
31.359 |
13.719 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
58.6 ± 1.7 |
485.2 ± 3.1 |
2.58 ± 0.52 |
| VC |
63.6 ± 1.3 |
561.8 ± 3.2 |
2.58 ± 0.52 |
| MX1 |
60.6 ± 1.3 |
552.4 ± 3.3 |
2.58 ± 0.52 |
| MX2 |
60.7 ± 1.3 |
553.2 ± 3.3 |
2.58 ± 0.52 |
| MX3 |
60.7 ± 1.3 |
553.8 ± 3.3 |
2.58 ± 0.52 |
| RH08 |
81.6 ± 2.9 |
137.3 ± 0.9 |
2.58 ± 0.52 |
| RH09 |
65.2 ± 1.3 |
576.7 ± 3.2 |
2.58 ± 0.52 |
| RH10 |
65.5 ± 1.3 |
578.1 ± 21.5 |
2.58 ± 0.52 |
| Average |
64.6 |
499.8 |
2.58 |
| Median |
63.6 |
553.8 |
2.58 |
| Deviation |
7.3 |
149.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
162.8 ± 2.7 |
20.8 ± 0.7 |
41.8 ± 2.3 |
89.5 ± 3.8 |
7.82 ± 0.31 |
1.82 ± 0.08 |
| VC |
170.6 ± 2.5 |
17.7 ± 0.6 |
35.7 ± 1.9 |
90.2 ± 3.8 |
9.66 ± 0.36 |
1.90 ± 0.07 |
| MX1 |
170.2 ± 2.5 |
19.6 ± 0.6 |
39.4 ± 2.1 |
89.8 ± 3.8 |
8.70 ± 0.32 |
1.90 ± 0.07 |
| MX2 |
170.2 ± 2.5 |
19.5 ± 0.6 |
39.3 ± 2.1 |
89.8 ± 3.8 |
8.72 ± 0.32 |
1.90 ± 0.07 |
| MX3 |
170.2 ± 2.5 |
19.5 ± 0.6 |
39.3 ± 2.1 |
89.8 ± 3.8 |
8.73 ± 0.33 |
1.90 ± 0.07 |
| RH8 |
-2.6 ± 3.9 |
5.7 ± 0.2 |
11.7 ± 0.6 |
91.7 ± 3.7 |
-0.47 ± 0.68 |
-0.03 ± 0.04 |
| RH9 |
169.4 ± 2.5 |
16.6 ± 0.5 |
33.7 ± 1.8 |
90.4 ± 3.8 |
10.20 ± 0.37 |
1.88 ± 0.07 |
| RH10 |
169.2 ± 2.5 |
16.4 ± 0.5 |
33.2 ± 1.8 |
90.4 ± 3.8 |
10.32 ± 0.37 |
1.87 ± 0.07 |
| Average |
147.5 |
17.0 |
34.3 |
90.2 |
8.0 |
1.6 |
| Median |
170.2 |
19.5 |
39.3 |
90.2 |
8.7 |
1.9 |
| Deviation |
60.7 |
4.8 |
9.6 |
0.7 |
3.5 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
65.3 ± 4.0 |
34.2 ± 1.5 |
54.3 ± 5.4 |
127.1 ± 8.8 |
1.92 ± 0.20 |
0.52 ± 0.07 |
| VC |
68.7 ± 4.8 |
28.9 ± 1.3 |
46.5 ± 4.6 |
128.4 ± 8.8 |
2.38 ± 0.28 |
0.54 ± 0.07 |
| MX1 |
68.4 ± 4.8 |
32.1 ± 1.4 |
51.2 ± 5.1 |
127.6 ± 8.8 |
2.14 ± 0.25 |
0.54 ± 0.07 |
| MX2 |
68.4 ± 4.8 |
32.0 ± 1.4 |
51.1 ± 5.1 |
127.7 ± 8.8 |
2.14 ± 0.25 |
0.54 ± 0.07 |
| MX3 |
68.4 ± 4.8 |
32.0 ± 1.4 |
51.0 ± 5.1 |
127.7 ± 8.8 |
2.15 ± 0.25 |
0.54 ± 0.07 |
| RH8 |
-0.6 ± 3.7 |
9.2 ± 0.4 |
15.2 ± 1.5 |
131.3 ± 8.8 |
-0.06 ± 0.41 |
-0.00 ± 0.03 |
| RH9 |
68.2 ± 5.1 |
27.2 ± 1.2 |
43.8 ± 4.4 |
128.8 ± 8.8 |
2.52 ± 0.30 |
0.53 ± 0.07 |
| RH10 |
68.1 ± 5.1 |
26.8 ± 1.2 |
43.2 ± 4.3 |
128.9 ± 8.8 |
2.55 ± 0.31 |
0.53 ± 0.07 |
| Average |
59.4 |
27.8 |
44.5 |
128.4 |
2.0 |
0.5 |
| Median |
68.4 |
32.0 |
51.0 |
128.4 |
2.1 |
0.5 |
| Deviation |
24.2 |
7.9 |
12.5 |
1.3 |
0.8 |
0.2 |
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)
| 
