Database: Ace Shock Analysis
Event ID: 20013231735
Observation time: 11/19/2001 323.73266 1735 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
323.732662 |
| Arrival time of shock [seconds of day] |
63302.0 ± 26.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.036 |
| Y GSE location of spacecraft [Re] |
0.006 |
| Z GSE location of spacecraft [Re] |
-0.002 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0044 |
| Downstream plasma points selected for analysis |
0013
|
| Downstream field points selected for analysis |
0054 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.00, 10.97, 11.21 |
Event added to database
|
Sat Apr 30 21:53:07 2005
|
Event last processed
|
Tue May 3 14:11:22 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.006 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-436.4 ± 3.8 |
-541.9 ± 7.4 |
| Vy GSE [km/s] |
7.2 ± 4.7 |
-9.9 ± 12.0 |
| Vz GSE [km/s] |
-25.8 ± 8.1 |
-67.7 ± 14.4 |
| Wi [km/s] |
40.4 ± 1.7 |
72.3 ± 4.2 |
| We [km/s] |
1278.4 ± 54.6 |
2287.8 ± 131.2 |
| Ni [n/cc] |
3.5 ± 0.4 |
8.1 ± 1.0 |
| Bx GSE [nT] |
-4.1 ± 0.2 |
-5.0 ± 1.0 |
| By GSE [nT] |
4.6 ± 0.2 |
9.3 ± 2.2 |
| Bz GSE [nT] |
1.6 ± 0.5 |
4.5 ± 1.8 |
Plasma Beta
|
0.302 ± 0.287
|
0.664 ± 0.630
|
Sound Speed [km/s]
|
52.19 ± 2.23
|
93.40 ± 5.36
|
Alfven Speed [km/s]
|
74.15 ± 4.12
|
90.75 ± 9.24
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.975 ± 0.087 |
0.190 ± 0.391 |
-0.115 ± 0.114 |
-6.60 ± 21.04 |
168.97 ± 22.96 |
| VC |
-0.922 ± 0.050 |
-0.146 ± 0.106 |
-0.359 ± 0.342 |
-21.02 ± 7.69 |
189.02 ± 6.55 |
| MX1 |
-0.964 ± 0.031 |
0.023 ± 0.166 |
-0.267 ± 0.260 |
-15.46 ± 6.60 |
178.65 ± 9.88 |
| MX2 |
-0.963 ± 0.030 |
0.003 ± 0.144 |
-0.268 ± 0.262 |
-15.57 ± 6.33 |
179.83 ± 8.55 |
| MX3 |
-0.964 ± 0.030 |
-0.007 ± 0.141 |
-0.268 ± 0.261 |
-15.52 ± 6.46 |
180.40 ± 8.36 |
| RH08 |
-0.968 ± 0.003 |
-0.025 ± 0.009 |
-0.251 ± 0.246 |
-14.56 ± 0.74 |
181.50 ± 0.54 |
| RH09 |
-0.988 ± 0.011 |
0.043 ± 0.070 |
-0.151 ± 0.150 |
-8.68 ± 4.02 |
177.49 ± 4.07 |
| RH10 |
-0.989 ± 0.010 |
0.043 ± 0.070 |
-0.140 ± 0.139 |
-8.03 ± 4.02 |
177.49 ± 4.07 |
| Average |
-0.966 |
0.015 |
-0.227 |
-13.179 |
179.171 |
| Median |
-0.964 |
0.023 |
-0.251 |
-14.560 |
179.827 |
| Deviation |
0.021 |
0.093 |
0.084 |
4.926 |
5.532 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
42.9 ± 3.1 |
618.8 ± 23.5 |
2.20 ± 0.26 |
| VC |
66.8 ± 3.3 |
617.6 ± 20.3 |
2.20 ± 0.26 |
| MX1 |
55.5 ± 3.3 |
629.9 ± 21.9 |
2.20 ± 0.26 |
| MX2 |
56.5 ± 3.3 |
630.7 ± 21.8 |
2.20 ± 0.26 |
| MX3 |
57.0 ± 3.3 |
630.8 ± 21.7 |
2.20 ± 0.26 |
| RH08 |
57.4 ± 3.2 |
632.2 ± 21.8 |
2.20 ± 0.26 |
| RH09 |
51.3 ± 3.0 |
632.5 ± 22.8 |
2.20 ± 0.26 |
| RH10 |
51.0 ± 3.0 |
632.5 ± 22.9 |
2.20 ± 0.26 |
| Average |
54.8 |
628.1 |
2.20 |
| Median |
56.5 |
630.8 |
2.20 |
| Deviation |
6.8 |
6.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
189.0 ± 3.3 |
33.6 ± 0.9 |
54.3 ± 3.0 |
84.3 ± 3.0 |
5.63 ± 0.18 |
2.24 ± 0.06 |
| VC |
207.0 ± 5.6 |
17.1 ± 0.4 |
29.3 ± 1.6 |
89.1 ± 2.9 |
12.11 ± 0.40 |
2.32 ± 0.04 |
| MX1 |
202.4 ± 4.6 |
25.1 ± 0.6 |
42.0 ± 2.3 |
87.2 ± 2.9 |
8.07 ± 0.25 |
2.32 ± 0.05 |
| MX2 |
203.4 ± 4.6 |
24.4 ± 0.6 |
40.9 ± 2.3 |
87.4 ± 2.9 |
8.35 ± 0.26 |
2.33 ± 0.05 |
| MX3 |
203.5 ± 4.7 |
24.1 ± 0.6 |
40.4 ± 2.2 |
87.5 ± 2.9 |
8.46 ± 0.27 |
2.33 ± 0.05 |
| RH8 |
203.6 ± 4.7 |
23.7 ± 0.6 |
39.9 ± 2.2 |
87.6 ± 2.9 |
8.58 ± 0.27 |
2.33 ± 0.05 |
| RH9 |
197.3 ± 4.0 |
28.0 ± 0.7 |
46.4 ± 2.6 |
86.3 ± 2.9 |
7.04 ± 0.22 |
2.29 ± 0.05 |
| RH10 |
196.8 ± 4.0 |
28.2 ± 0.7 |
46.7 ± 2.6 |
86.2 ± 2.9 |
6.98 ± 0.22 |
2.28 ± 0.05 |
| Average |
200.4 |
25.5 |
42.5 |
86.9 |
8.2 |
2.3 |
| Median |
203.4 |
25.1 |
42.0 |
87.4 |
8.3 |
2.3 |
| Deviation |
5.7 |
4.7 |
7.2 |
1.4 |
1.9 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
84.6 ± 7.4 |
51.6 ± 2.5 |
66.5 ± 6.8 |
119.9 ± 5.1 |
1.64 ± 0.13 |
0.71 ± 0.06 |
| VC |
92.3 ± 8.3 |
26.0 ± 1.2 |
35.8 ± 3.6 |
127.9 ± 5.5 |
3.55 ± 0.30 |
0.72 ± 0.06 |
| MX1 |
90.0 ± 7.7 |
38.3 ± 1.9 |
51.4 ± 5.2 |
124.8 ± 5.4 |
2.35 ± 0.18 |
0.72 ± 0.06 |
| MX2 |
90.6 ± 7.8 |
37.2 ± 1.8 |
50.0 ± 5.1 |
125.1 ± 5.4 |
2.44 ± 0.19 |
0.72 ± 0.06 |
| MX3 |
90.6 ± 7.8 |
36.7 ± 1.8 |
49.4 ± 5.0 |
125.2 ± 5.4 |
2.47 ± 0.20 |
0.72 ± 0.06 |
| RH8 |
90.6 ± 7.7 |
36.2 ± 1.7 |
48.8 ± 5.0 |
125.4 ± 5.4 |
2.50 ± 0.20 |
0.72 ± 0.06 |
| RH9 |
87.6 ± 7.4 |
42.8 ± 2.1 |
56.8 ± 5.8 |
123.3 ± 5.3 |
2.05 ± 0.17 |
0.71 ± 0.06 |
| RH10 |
87.4 ± 7.4 |
43.1 ± 2.1 |
57.1 ± 5.8 |
123.2 ± 5.3 |
2.03 ± 0.17 |
0.71 ± 0.06 |
| Average |
89.2 |
39.0 |
52.0 |
124.3 |
2.4 |
0.7 |
| Median |
90.6 |
38.3 |
51.4 |
125.1 |
2.4 |
0.7 |
| Deviation |
2.5 |
7.3 |
8.8 |
2.3 |
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)
| 
