Database: dscovr_data
Event ID: 20170052152
Observation time: 01/05/2017 5.91181 2152 [UT]
|
|
General
Information (About, Top)
| Year |
2017 |
| Fractional day of year |
5.911806 |
| Arrival time of shock [seconds of day] |
78780.0 ± 60.0 |
| Shock type |
FR |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
232.992 |
| Y GSE location of spacecraft [Re] |
38.496 |
| Z GSE location of spacecraft [Re] |
-19.263 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0008 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0005 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.68, 13.96, 15.47 |
Event added to database
|
Tue Oct 24 10:50:09 2017
|
Event last processed
|
Tue Oct 24 13:09:17 2017
|
Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
34.876 ± 15.220
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-629.7 ± 10.8 |
-720.9 ± 6.5 |
| Vy GSE [km/s] |
32.3 ± 10.6 |
33.7 ± 31.8 |
| Vz GSE [km/s] |
-111.3 ± 17.3 |
-101.6 ± 22.7 |
| Wi [km/s] |
80.7 ± 2.6 |
79.5 ± 4.5 |
| We [km/s] |
2553.5 ± 82.5 |
2515.3 ± 143.7 |
| Ni [n/cc] |
3.4 ± 0.1 |
2.4 ± 0.3 |
| Bx GSE [nT] |
3.1 ± 1.7 |
0.8 ± 0.6 |
| By GSE [nT] |
-8.4 ± 1.2 |
-4.6 ± 1.3 |
| Bz GSE [nT] |
-5.3 ± 3.4 |
-2.8 ± 1.3 |
Plasma Beta
|
0.379 ± 0.400
|
0.983 ± 0.918
|
Sound Speed [km/s]
|
104.25 ± 3.37
|
102.69 ± 5.87
|
Alfven Speed [km/s]
|
131.53 ± 3.60
|
81.28 ± 6.31
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.891 ± 0.326 |
-0.177 ± 1.094 |
-0.418 ± 0.391 |
-24.69 ± 34.07 |
191.21 ± 70.26 |
| VC |
-0.993 ± 0.031 |
0.012 ± 0.317 |
0.115 ± 0.115 |
6.62 ± 15.05 |
179.30 ± 18.30 |
| MX1 |
-0.897 ± 0.139 |
-0.431 ± 0.285 |
-0.095 ± 0.094 |
-5.42 ± 17.22 |
205.67 ± 18.20 |
| MX2 |
-0.846 ± 0.191 |
-0.518 ± 0.307 |
-0.125 ± 0.125 |
-7.21 ± 20.89 |
211.46 ± 20.73 |
| MX3 |
-0.935 ± 0.110 |
-0.346 ± 0.288 |
-0.076 ± 0.076 |
-4.35 ± 20.40 |
200.28 ± 17.66 |
| RH08 |
-0.977 ± 0.005 |
-0.199 ± 0.023 |
-0.073 ± 0.072 |
-4.16 ± 1.57 |
191.53 ± 1.33 |
| RH09 |
-0.578 ± 0.056 |
0.097 ± 0.070 |
-0.810 ± 0.554 |
-54.10 ± 3.96 |
170.47 ± 6.84 |
| RH10 |
-0.578 ± 0.056 |
0.097 ± 0.070 |
-0.810 ± 0.554 |
-54.10 ± 3.96 |
170.47 ± 6.84 |
| Average |
-0.837 |
-0.183 |
-0.286 |
-18.427 |
190.050 |
| Median |
-0.891 |
-0.177 |
-0.095 |
-5.424 |
191.532 |
| Deviation |
0.167 |
0.238 |
0.355 |
23.629 |
15.549 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
84.9 ± 13.2 |
439.9 ± 24.5 |
0.71 ± 0.13 |
| VC |
69.9 ± 8.2 |
416.6 ± 27.1 |
0.71 ± 0.13 |
| MX1 |
82.8 ± 7.6 |
410.7 ± 30.5 |
0.71 ± 0.13 |
| MX2 |
77.2 ± 7.3 |
390.1 ± 30.4 |
0.71 ± 0.13 |
| MX3 |
87.7 ± 8.0 |
425.7 ± 30.2 |
0.71 ± 0.13 |
| RH08 |
85.1 ± 8.8 |
439.0 ± 28.9 |
0.71 ± 0.13 |
| RH09 |
80.9 ± 19.3 |
362.4 ± 15.4 |
0.71 ± 0.13 |
| RH10 |
80.9 ± 19.3 |
362.4 ± 96.3 |
0.71 ± 0.13 |
| Average |
81.2 |
405.9 |
0.71 |
| Median |
82.8 |
416.6 |
0.71 |
| Deviation |
5.6 |
31.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-162.1 ± 14.9 |
7.3 ± 0.1 |
11.7 ± 0.3 |
167.7 ± 2.5 |
-22.25 ± 1.80 |
-0.97 ± 0.08 |
| VC |
-196.4 ± 9.1 |
28.4 ± 0.5 |
45.1 ± 1.2 |
165.5 ± 2.5 |
-6.91 ± 0.26 |
-1.19 ± 0.05 |
| MX1 |
-150.9 ± 8.3 |
10.3 ± 0.2 |
16.6 ± 0.5 |
167.6 ± 2.5 |
-14.65 ± 0.68 |
-0.90 ± 0.05 |
| MX2 |
-140.1 ± 7.8 |
18.2 ± 0.3 |
29.1 ± 0.8 |
166.9 ± 2.5 |
-7.71 ± 0.36 |
-0.84 ± 0.05 |
| MX3 |
-160.6 ± 8.9 |
3.3 ± 0.1 |
5.3 ± 0.1 |
167.8 ± 2.5 |
-48.47 ± 2.26 |
-0.96 ± 0.05 |
| RH8 |
-178.0 ± 10.2 |
7.0 ± 0.1 |
11.2 ± 0.3 |
167.7 ± 2.5 |
-25.55 ± 1.23 |
-1.06 ± 0.06 |
| RH9 |
-95.0 ± 20.6 |
13.0 ± 0.2 |
20.8 ± 0.6 |
167.4 ± 2.5 |
-7.31 ± 1.51 |
-0.57 ± 0.12 |
| RH10 |
-95.0 ± 20.6 |
13.0 ± 0.2 |
20.8 ± 0.6 |
167.4 ± 2.5 |
-7.31 ± 1.51 |
-0.57 ± 0.12 |
| Average |
-147.2 |
12.5 |
20.1 |
167.2 |
-17.5 |
-0.9 |
| Median |
-150.9 |
13.0 |
20.8 |
167.6 |
-7.7 |
-0.9 |
| Deviation |
36.4 |
7.9 |
12.5 |
0.8 |
14.5 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-239.1 ± 12.2 |
5.7 ± 0.2 |
7.2 ± 0.6 |
131.0 ± 3.8 |
-42.31 ± 2.76 |
-1.83 ± 0.11 |
| VC |
-288.1 ± 5.5 |
22.1 ± 0.9 |
27.9 ± 2.2 |
129.3 ± 3.8 |
-13.07 ± 0.66 |
-2.23 ± 0.09 |
| MX1 |
-231.2 ± 14.5 |
8.0 ± 0.3 |
10.2 ± 0.8 |
130.9 ± 3.8 |
-28.98 ± 2.89 |
-1.77 ± 0.14 |
| MX2 |
-215.4 ± 16.6 |
14.1 ± 0.6 |
18.0 ± 1.4 |
130.4 ± 3.8 |
-15.30 ± 1.75 |
-1.65 ± 0.15 |
| MX3 |
-244.7 ± 12.4 |
2.6 ± 0.1 |
3.3 ± 0.3 |
131.1 ± 3.8 |
-95.28 ± 8.28 |
-1.87 ± 0.13 |
| RH8 |
-266.2 ± 9.2 |
5.4 ± 0.2 |
6.9 ± 0.5 |
131.0 ± 3.8 |
-49.26 ± 3.33 |
-2.03 ± 0.11 |
| RH9 |
-140.0 ± 22.4 |
10.1 ± 0.4 |
12.9 ± 1.0 |
130.8 ± 3.8 |
-13.86 ± 1.94 |
-1.07 ± 0.17 |
| RH10 |
-140.0 ± 22.4 |
10.1 ± 0.4 |
12.9 ± 1.0 |
130.8 ± 3.8 |
-13.86 ± 1.94 |
-1.07 ± 0.17 |
| Average |
-220.6 |
9.8 |
12.4 |
130.7 |
-34.0 |
-1.7 |
| Median |
-231.2 |
10.1 |
12.9 |
130.9 |
-15.3 |
-1.8 |
| Deviation |
54.4 |
6.1 |
7.7 |
0.6 |
28.5 |
0.4 |
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)
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