Database: Ace Shock Analysis
Event ID: 20051261203
Observation time: 05/06/2005 126.50255 1203 [UT]
|
|
General
Information (About, Top)
| Year |
2005 |
| Fractional day of year |
126.502545 |
| Arrival time of shock [seconds of day] |
43419.9 ± 50.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
247.919 |
| Y GSE location of spacecraft [Re] |
16.710 |
| Z GSE location of spacecraft [Re] |
-16.448 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0596 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0495 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.07, 26.60, 27.24 |
Event added to database
|
Fri Oct 10 15:42:54 2014
|
Event last processed
|
Wed Oct 15 11:28:11 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
61.726 ± 0.279
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-354.8 ± 1.1 |
-384.8 ± 1.4 |
| Vy GSE [km/s] |
-24.4 ± 1.5 |
-39.4 ± 1.3 |
| Vz GSE [km/s] |
9.7 ± 1.5 |
11.5 ± 1.1 |
| Wi [km/s] |
26.4 ± 1.2 |
26.8 ± 1.7 |
| We [km/s] |
835.9 ± 36.4 |
847.1 ± 54.6 |
| Ni [n/cc] |
10.9 ± 0.6 |
24.0 ± 2.0 |
| Bx GSE [nT] |
-3.8 ± 0.2 |
-4.6 ± 0.1 |
| By GSE [nT] |
1.3 ± 0.2 |
3.0 ± 0.3 |
| Bz GSE [nT] |
2.3 ± 0.1 |
4.4 ± 0.4 |
Plasma Beta
|
0.766 ± 0.765
|
0.741 ± 0.697
|
Sound Speed [km/s]
|
34.12 ± 1.49
|
34.58 ± 2.23
|
Alfven Speed [km/s]
|
30.46 ± 1.81
|
31.33 ± 2.03
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.968 ± 0.039 |
-0.234 ± 0.141 |
-0.092 ± 0.092 |
-5.27 ± 11.97 |
193.58 ± 8.32 |
| VC |
-0.893 ± 0.024 |
-0.446 ± 0.048 |
0.052 ± 0.052 |
2.99 ± 2.83 |
206.54 ± 3.09 |
| MX1 |
-0.891 ± 0.061 |
-0.450 ± 0.121 |
0.056 ± 0.056 |
3.20 ± 4.42 |
206.82 ± 7.76 |
| MX2 |
-0.895 ± 0.056 |
-0.444 ± 0.112 |
0.051 ± 0.051 |
2.91 ± 4.76 |
206.40 ± 7.19 |
| MX3 |
-0.898 ± 0.051 |
-0.437 ± 0.104 |
0.045 ± 0.045 |
2.58 ± 5.16 |
205.94 ± 6.64 |
| RH08 |
-0.952 ± 0.004 |
-0.301 ± 0.013 |
0.061 ± 0.061 |
3.52 ± 0.52 |
197.55 ± 0.75 |
| RH09 |
-0.966 ± 0.018 |
-0.059 ± 0.071 |
-0.251 ± 0.246 |
-14.56 ± 3.99 |
183.51 ± 4.20 |
| RH10 |
-0.969 ± 0.017 |
-0.059 ± 0.070 |
-0.240 ± 0.235 |
-13.90 ± 3.98 |
183.51 ± 4.17 |
| Average |
-0.929 |
-0.304 |
-0.040 |
-2.316 |
197.982 |
| Median |
-0.898 |
-0.301 |
0.051 |
2.911 |
205.943 |
| Deviation |
0.037 |
0.171 |
0.137 |
7.900 |
10.171 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
46.5 ± 2.6 |
407.9 ± 0.4 |
2.20 ± 0.20 |
| VC |
50.3 ± 3.4 |
390.0 ± 0.4 |
2.20 ± 0.20 |
| MX1 |
50.4 ± 3.4 |
389.3 ± 0.4 |
2.20 ± 0.20 |
| MX2 |
50.2 ± 3.4 |
390.3 ± 0.4 |
2.20 ± 0.20 |
| MX3 |
50.0 ± 3.4 |
391.4 ± 0.4 |
2.20 ± 0.20 |
| RH08 |
43.0 ± 3.1 |
406.4 ± 0.4 |
2.20 ± 0.20 |
| RH09 |
49.0 ± 1.7 |
396.3 ± 0.4 |
2.20 ± 0.20 |
| RH10 |
48.4 ± 1.7 |
397.6 ± 3.4 |
2.20 ± 0.20 |
| Average |
48.5 |
396.2 |
2.20 |
| Median |
50.0 |
396.3 |
2.20 |
| Deviation |
2.6 |
7.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
59.7 ± 1.1 |
16.8 ± 0.5 |
21.0 ± 1.2 |
42.6 ± 0.9 |
3.57 ± 0.10 |
1.40 ± 0.03 |
| VC |
61.7 ± 1.3 |
15.4 ± 0.5 |
19.5 ± 1.2 |
43.1 ± 1.0 |
4.01 ± 0.10 |
1.43 ± 0.03 |
| MX1 |
61.7 ± 1.3 |
15.3 ± 0.5 |
19.4 ± 1.2 |
43.1 ± 1.0 |
4.02 ± 0.10 |
1.43 ± 0.03 |
| MX2 |
61.7 ± 1.3 |
15.4 ± 0.5 |
19.5 ± 1.2 |
43.1 ± 1.0 |
4.00 ± 0.10 |
1.43 ± 0.03 |
| MX3 |
61.6 ± 1.3 |
15.5 ± 0.5 |
19.6 ± 1.2 |
43.1 ± 1.0 |
3.99 ± 0.10 |
1.43 ± 0.03 |
| RH8 |
60.9 ± 1.2 |
18.0 ± 0.6 |
22.3 ± 1.3 |
42.1 ± 0.9 |
3.38 ± 0.09 |
1.45 ± 0.03 |
| RH9 |
54.6 ± 1.1 |
15.8 ± 0.5 |
20.0 ± 1.2 |
43.0 ± 1.0 |
3.45 ± 0.11 |
1.27 ± 0.04 |
| RH10 |
54.8 ± 1.1 |
16.1 ± 0.5 |
20.2 ± 1.2 |
42.9 ± 1.0 |
3.41 ± 0.10 |
1.28 ± 0.04 |
| Average |
59.6 |
16.0 |
20.2 |
42.9 |
3.7 |
1.4 |
| Median |
61.6 |
15.8 |
20.0 |
43.1 |
4.0 |
1.4 |
| Deviation |
3.1 |
0.9 |
1.0 |
0.4 |
0.3 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
27.4 ± 1.3 |
17.1 ± 0.8 |
21.6 ± 1.4 |
43.5 ± 2.1 |
1.60 ± 0.03 |
0.63 ± 0.02 |
| VC |
28.1 ± 1.3 |
15.7 ± 0.7 |
20.0 ± 1.3 |
44.0 ± 2.1 |
1.79 ± 0.04 |
0.64 ± 0.02 |
| MX1 |
28.1 ± 1.3 |
15.7 ± 0.7 |
20.0 ± 1.3 |
44.0 ± 2.1 |
1.79 ± 0.04 |
0.64 ± 0.02 |
| MX2 |
28.1 ± 1.3 |
15.7 ± 0.7 |
20.1 ± 1.3 |
44.0 ± 2.1 |
1.78 ± 0.04 |
0.64 ± 0.02 |
| MX3 |
28.1 ± 1.3 |
15.8 ± 0.7 |
20.1 ± 1.3 |
43.9 ± 2.1 |
1.77 ± 0.04 |
0.64 ± 0.02 |
| RH8 |
27.7 ± 1.4 |
18.5 ± 0.9 |
22.9 ± 1.5 |
42.9 ± 2.1 |
1.50 ± 0.03 |
0.65 ± 0.02 |
| RH9 |
25.2 ± 1.3 |
16.2 ± 0.7 |
20.5 ± 1.3 |
43.8 ± 2.1 |
1.56 ± 0.04 |
0.58 ± 0.02 |
| RH10 |
25.3 ± 1.3 |
16.4 ± 0.8 |
20.8 ± 1.3 |
43.7 ± 2.1 |
1.54 ± 0.04 |
0.58 ± 0.02 |
| Average |
27.2 |
16.4 |
20.8 |
43.7 |
1.7 |
0.6 |
| Median |
28.1 |
16.2 |
20.5 |
43.9 |
1.8 |
0.6 |
| Deviation |
1.3 |
1.0 |
1.0 |
0.4 |
0.1 |
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)
| 
