Database: Ace Shock Analysis
Event ID: 20073510203
Observation time: 12/17/2007 351.08577 0203 [UT]
|
|
General
Information (About, Top)
| Year |
2007 |
| Fractional day of year |
351.085773 |
| Arrival time of shock [seconds of day] |
7410.8 ± 70.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
221.387 |
| Y GSE location of spacecraft [Re] |
-29.588 |
| Z GSE location of spacecraft [Re] |
16.318 |
| Upstream plasma points selected for analysis |
0013 |
| Upstream field points selected for analysis |
0781 |
| Downstream plasma points selected for analysis |
0012
|
| Downstream field points selected for analysis |
0726 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.22, 24.41, 28.56 |
Event added to database
|
Tue Oct 14 16:28:40 2014
|
Event last processed
|
Wed Oct 15 12:55:10 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
44.590 ± 5.607
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-349.9 ± 1.7 |
-396.7 ± 4.2 |
| Vy GSE [km/s] |
-19.3 ± 2.1 |
-30.5 ± 5.1 |
| Vz GSE [km/s] |
39.5 ± 2.2 |
55.6 ± 3.7 |
| Wi [km/s] |
20.6 ± 0.9 |
31.6 ± 1.5 |
| We [km/s] |
651.7 ± 27.0 |
1000.8 ± 47.0 |
| Ni [n/cc] |
9.2 ± 0.5 |
16.6 ± 0.9 |
| Bx GSE [nT] |
-0.5 ± 0.6 |
1.6 ± 0.8 |
| By GSE [nT] |
-1.9 ± 0.2 |
-3.7 ± 0.8 |
| Bz GSE [nT] |
2.7 ± 0.1 |
6.9 ± 0.4 |
Plasma Beta
|
0.719 ± 0.705
|
0.553 ± 0.498
|
Sound Speed [km/s]
|
26.61 ± 1.10
|
40.86 ± 1.92
|
Alfven Speed [km/s]
|
24.39 ± 1.06
|
43.07 ± 3.13
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.854 ± 0.193 |
-0.467 ± 0.345 |
0.230 ± 0.226 |
13.30 ± 12.42 |
208.66 ± 23.12 |
| VC |
-0.922 ± 0.039 |
-0.215 ± 0.094 |
0.321 ± 0.309 |
18.70 ± 5.90 |
193.13 ± 5.85 |
| MX1 |
-0.919 ± 0.056 |
-0.220 ± 0.117 |
0.328 ± 0.316 |
19.16 ± 8.68 |
193.47 ± 7.28 |
| MX2 |
-0.918 ± 0.056 |
-0.222 ± 0.110 |
0.327 ± 0.315 |
19.11 ± 8.84 |
193.62 ± 6.79 |
| MX3 |
-0.918 ± 0.056 |
-0.225 ± 0.106 |
0.327 ± 0.315 |
19.08 ± 8.96 |
193.74 ± 6.58 |
| RH08 |
-0.916 ± 0.004 |
-0.170 ± 0.001 |
0.363 ± 0.346 |
21.29 ± 0.69 |
190.53 ± 0.00 |
| RH09 |
-0.542 ± 0.059 |
0.661 ± 0.052 |
0.520 ± 0.467 |
31.30 ± 3.33 |
129.36 ± 4.87 |
| RH10 |
-0.587 ± 0.057 |
0.621 ± 0.055 |
0.520 ± 0.467 |
31.30 ± 4.01 |
133.37 ± 4.76 |
| Average |
-0.822 |
-0.030 |
0.367 |
21.656 |
179.484 |
| Median |
-0.916 |
-0.215 |
0.328 |
19.163 |
193.470 |
| Deviation |
0.161 |
0.424 |
0.102 |
6.371 |
30.229 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
55.5 ± 8.7 |
426.6 ± 1.0 |
1.82 ± 0.16 |
| VC |
59.3 ± 9.5 |
453.2 ± 1.0 |
1.82 ± 0.16 |
| MX1 |
58.8 ± 9.5 |
452.3 ± 1.0 |
1.82 ± 0.16 |
| MX2 |
58.7 ± 9.5 |
452.2 ± 1.0 |
1.82 ± 0.16 |
| MX3 |
58.7 ± 9.5 |
452.2 ± 1.0 |
1.82 ± 0.16 |
| RH08 |
58.7 ± 9.5 |
451.6 ± 1.0 |
1.82 ± 0.16 |
| RH09 |
82.5 ± 6.3 |
256.2 ± 0.8 |
1.82 ± 0.16 |
| RH10 |
80.9 ± 6.7 |
278.5 ± 9.6 |
1.82 ± 0.16 |
| Average |
64.1 |
402.8 |
1.82 |
| Median |
58.8 |
452.2 |
1.82 |
| Deviation |
10.9 |
84.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
109.7 ± 1.7 |
10.6 ± 0.3 |
13.8 ± 0.6 |
34.5 ± 1.0 |
10.32 ± 0.26 |
3.18 ± 0.08 |
| VC |
113.5 ± 1.3 |
9.5 ± 0.3 |
12.4 ± 0.5 |
34.8 ± 1.0 |
11.97 ± 0.33 |
3.26 ± 0.09 |
| MX1 |
113.6 ± 1.3 |
9.7 ± 0.3 |
12.6 ± 0.5 |
34.8 ± 1.0 |
11.76 ± 0.32 |
3.27 ± 0.09 |
| MX2 |
113.6 ± 1.3 |
9.7 ± 0.3 |
12.7 ± 0.5 |
34.8 ± 1.0 |
11.75 ± 0.32 |
3.27 ± 0.09 |
| MX3 |
113.7 ± 1.3 |
9.7 ± 0.3 |
12.7 ± 0.5 |
34.8 ± 1.0 |
11.74 ± 0.32 |
3.27 ± 0.09 |
| RH8 |
113.4 ± 1.2 |
9.7 ± 0.3 |
12.7 ± 0.5 |
34.8 ± 1.0 |
11.73 ± 0.33 |
3.26 ± 0.09 |
| RH9 |
58.8 ± 1.9 |
2.4 ± 0.1 |
3.2 ± 0.1 |
36.0 ± 1.1 |
25.01 ± 1.38 |
1.63 ± 0.09 |
| RH10 |
64.6 ± 1.8 |
2.9 ± 0.1 |
3.9 ± 0.2 |
36.0 ± 1.1 |
22.60 ± 1.15 |
1.80 ± 0.09 |
| Average |
100.1 |
8.0 |
10.5 |
35.1 |
14.6 |
2.9 |
| Median |
113.5 |
9.7 |
12.7 |
34.8 |
11.8 |
3.3 |
| Deviation |
23.8 |
3.4 |
4.3 |
0.6 |
5.7 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
60.8 ± 4.8 |
17.5 ± 0.7 |
24.4 ± 1.8 |
56.8 ± 2.0 |
3.48 ± 0.24 |
1.07 ± 0.07 |
| VC |
62.8 ± 3.9 |
15.6 ± 0.6 |
22.0 ± 1.6 |
57.3 ± 2.1 |
4.02 ± 0.21 |
1.10 ± 0.06 |
| MX1 |
62.9 ± 3.9 |
15.9 ± 0.6 |
22.3 ± 1.6 |
57.3 ± 2.0 |
3.96 ± 0.21 |
1.10 ± 0.06 |
| MX2 |
62.9 ± 3.9 |
15.9 ± 0.6 |
22.4 ± 1.6 |
57.3 ± 2.0 |
3.95 ± 0.21 |
1.10 ± 0.06 |
| MX3 |
62.9 ± 3.9 |
15.9 ± 0.6 |
22.4 ± 1.6 |
57.3 ± 2.0 |
3.95 ± 0.21 |
1.10 ± 0.06 |
| RH8 |
62.8 ± 3.6 |
15.9 ± 0.6 |
22.4 ± 1.6 |
57.3 ± 2.0 |
3.95 ± 0.20 |
1.10 ± 0.06 |
| RH9 |
32.5 ± 2.5 |
3.9 ± 0.1 |
5.6 ± 0.4 |
59.3 ± 2.1 |
8.40 ± 0.77 |
0.55 ± 0.05 |
| RH10 |
35.8 ± 2.3 |
4.7 ± 0.2 |
6.8 ± 0.5 |
59.2 ± 2.1 |
7.61 ± 0.60 |
0.61 ± 0.05 |
| Average |
55.4 |
13.2 |
18.5 |
57.7 |
4.9 |
1.0 |
| Median |
62.8 |
15.9 |
22.4 |
57.3 |
4.0 |
1.1 |
| Deviation |
13.2 |
5.5 |
7.6 |
1.0 |
1.9 |
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)
| 
