Database: Wind Shock Analysis
Event ID: 20150760400
Observation time: 03/17/2015 76.16668 0400 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
76.166684 |
| Arrival time of shock [seconds of day] |
14401.5 ± 80.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
252.852 |
| Y GSE location of spacecraft [Re] |
54.339 |
| Z GSE location of spacecraft [Re] |
12.569 |
| Upstream plasma points selected for analysis |
0017 |
| Upstream field points selected for analysis |
0585 |
| Downstream plasma points selected for analysis |
0015
|
| Downstream field points selected for analysis |
0491 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.06, 18.96, 26.62 |
Event added to database
|
Fri Apr 17 15:58:03 2015
|
Event last processed
|
Tue May 17 16:33:20 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
44.474 ± 3.966
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-408.0 ± 5.1 |
-509.4 ± 6.5 |
| Vy GSE [km/s] |
9.7 ± 3.5 |
-37.9 ± 11.4 |
| Vz GSE [km/s] |
-4.9 ± 3.4 |
31.6 ± 7.5 |
| Wi [km/s] |
25.5 ± 2.1 |
45.3 ± 5.0 |
| We [km/s] |
807.1 ± 67.3 |
1433.2 ± 157.8 |
| Ni [n/cc] |
16.4 ± 1.6 |
39.6 ± 6.1 |
| Bx GSE [nT] |
-2.4 ± 0.5 |
0.0 ± 1.7 |
| By GSE [nT] |
3.9 ± 0.4 |
15.1 ± 1.9 |
| Bz GSE [nT] |
8.6 ± 0.5 |
19.8 ± 1.3 |
Plasma Beta
|
0.242 ± 0.237
|
0.277 ± 0.255
|
Sound Speed [km/s]
|
32.95 ± 2.75
|
58.51 ± 6.44
|
Alfven Speed [km/s]
|
52.39 ± 2.57
|
87.76 ± 8.38
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.720 ± 0.144 |
-0.399 ± 0.216 |
0.568 ± 0.497 |
34.59 ± 9.69 |
209.00 ± 16.81 |
| VC |
-0.861 ± 0.049 |
-0.405 ± 0.097 |
0.308 ± 0.298 |
17.96 ± 4.07 |
205.20 ± 6.40 |
| MX1 |
-0.837 ± 0.051 |
-0.283 ± 0.080 |
0.468 ± 0.430 |
27.90 ± 5.56 |
198.70 ± 5.40 |
| MX2 |
-0.845 ± 0.048 |
-0.275 ± 0.078 |
0.458 ± 0.423 |
27.28 ± 5.37 |
198.05 ± 5.20 |
| MX3 |
-0.849 ± 0.047 |
-0.271 ± 0.078 |
0.453 ± 0.419 |
26.92 ± 5.32 |
197.69 ± 5.19 |
| RH08 |
-0.939 ± 0.012 |
-0.192 ± 0.033 |
0.285 ± 0.277 |
16.55 ± 2.00 |
191.53 ± 2.00 |
| RH09 |
-0.162 ± 0.076 |
-0.686 ± 0.030 |
0.709 ± 0.556 |
45.19 ± 2.03 |
256.71 ± 6.32 |
| RH10 |
-0.983 ± 0.013 |
0.060 ± 0.070 |
0.173 ± 0.171 |
9.97 ± 4.03 |
176.49 ± 4.10 |
| Average |
-0.775 |
-0.306 |
0.428 |
25.796 |
204.172 |
| Median |
-0.845 |
-0.275 |
0.458 |
27.279 |
198.695 |
| Deviation |
0.259 |
0.211 |
0.170 |
11.076 |
23.362 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
58.8 ± 2.7 |
476.7 ± 2.7 |
2.45 ± 0.46 |
| VC |
71.3 ± 3.0 |
543.7 ± 2.9 |
2.45 ± 0.46 |
| MX1 |
59.7 ± 3.0 |
530.5 ± 3.0 |
2.45 ± 0.46 |
| MX2 |
59.9 ± 3.1 |
534.0 ± 3.0 |
2.45 ± 0.46 |
| MX3 |
60.1 ± 3.1 |
536.1 ± 3.0 |
2.45 ± 0.46 |
| RH08 |
66.1 ± 3.3 |
572.7 ± 3.2 |
2.45 ± 0.46 |
| RH09 |
66.9 ± 2.1 |
186.5 ± 1.5 |
2.45 ± 0.46 |
| RH10 |
65.4 ± 3.5 |
571.8 ± 51.5 |
2.45 ± 0.46 |
| Average |
63.5 |
494.0 |
2.45 |
| Median |
65.4 |
536.1 |
2.45 |
| Deviation |
4.5 |
127.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
189.5 ± 3.7 |
14.8 ± 0.9 |
27.1 ± 1.3 |
60.2 ± 2.1 |
12.83 ± 0.86 |
3.15 ± 0.12 |
| VC |
197.9 ± 4.5 |
9.0 ± 0.5 |
16.8 ± 0.8 |
61.3 ± 2.1 |
22.04 ± 1.52 |
3.23 ± 0.13 |
| MX1 |
193.9 ± 4.0 |
14.4 ± 0.8 |
26.4 ± 1.3 |
60.3 ± 2.1 |
13.50 ± 0.92 |
3.22 ± 0.12 |
| MX2 |
194.1 ± 4.0 |
14.3 ± 0.8 |
26.3 ± 1.3 |
60.3 ± 2.1 |
13.61 ± 0.93 |
3.22 ± 0.12 |
| MX3 |
194.3 ± 4.1 |
14.3 ± 0.8 |
26.1 ± 1.3 |
60.3 ± 2.1 |
13.68 ± 0.93 |
3.23 ± 0.12 |
| RH8 |
192.7 ± 4.5 |
11.4 ± 0.7 |
21.2 ± 1.0 |
60.9 ± 2.1 |
16.91 ± 1.17 |
3.17 ± 0.13 |
| RH9 |
130.5 ± 3.6 |
11.1 ± 0.6 |
20.6 ± 1.0 |
61.0 ± 2.1 |
11.81 ± 0.77 |
2.14 ± 0.10 |
| RH10 |
170.9 ± 4.7 |
11.8 ± 0.7 |
21.8 ± 1.1 |
60.8 ± 2.1 |
14.53 ± 1.04 |
2.81 ± 0.12 |
| Average |
183.0 |
12.6 |
23.3 |
60.6 |
14.9 |
3.0 |
| Median |
193.9 |
14.3 |
26.1 |
60.8 |
13.7 |
3.2 |
| Deviation |
22.8 |
2.1 |
3.7 |
0.4 |
3.3 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
76.9 ± 4.7 |
25.8 ± 2.1 |
45.4 ± 4.3 |
102.5 ± 7.6 |
2.99 ± 0.27 |
0.75 ± 0.06 |
| VC |
80.2 ± 3.9 |
15.7 ± 1.3 |
28.2 ± 2.7 |
104.5 ± 7.6 |
5.14 ± 0.47 |
0.77 ± 0.06 |
| MX1 |
78.6 ± 3.8 |
25.1 ± 2.1 |
44.3 ± 4.2 |
102.7 ± 7.6 |
3.15 ± 0.30 |
0.77 ± 0.06 |
| MX2 |
78.7 ± 3.8 |
24.9 ± 2.0 |
44.0 ± 4.2 |
102.7 ± 7.6 |
3.17 ± 0.31 |
0.77 ± 0.06 |
| MX3 |
78.8 ± 3.7 |
24.8 ± 2.0 |
43.8 ± 4.2 |
102.7 ± 7.6 |
3.19 ± 0.31 |
0.77 ± 0.06 |
| RH8 |
78.0 ± 4.1 |
19.9 ± 1.6 |
35.5 ± 3.4 |
103.8 ± 7.6 |
3.95 ± 0.43 |
0.76 ± 0.07 |
| RH9 |
55.6 ± 10.2 |
19.3 ± 1.6 |
34.5 ± 3.3 |
103.9 ± 7.6 |
2.88 ± 0.46 |
0.53 ± 0.09 |
| RH10 |
67.8 ± 6.3 |
20.6 ± 1.7 |
36.6 ± 3.5 |
103.7 ± 7.6 |
3.33 ± 0.49 |
0.66 ± 0.09 |
| Average |
74.3 |
22.0 |
39.0 |
103.3 |
3.5 |
0.7 |
| Median |
78.6 |
24.8 |
43.8 |
103.7 |
3.2 |
0.8 |
| Deviation |
8.5 |
3.7 |
6.2 |
0.8 |
0.7 |
0.1 |
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 Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
