Database: Ace Shock Analysis
Event ID: 19990522145
Observation time: 02/21/1999 52.90686 2145 [UT]
|

|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
52.906863 |
| Arrival time of shock [seconds of day] |
78353.0 ± 60.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.038 |
| Y GSE location of spacecraft [Re] |
-0.001 |
| Z GSE location of spacecraft [Re] |
0.004 |
| Upstream plasma points selected for analysis |
0016 |
| Upstream field points selected for analysis |
0064 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0048 |
| Minimum chisq/dof for RH8,RH9,RH10 |
0.00, 0.00, 0.00 |
Event added to database
|
Sat Apr 30 21:43:48 2005
|
Event last processed
|
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-NaN ± -NaN
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-395.8 ± 1.9 |
-409.4 ± 2.8 |
| Vy GSE [km/s] |
-3.8 ± 3.4 |
15.6 ± 1.7 |
| Vz GSE [km/s] |
-8.0 ± 5.4 |
-10.5 ± 1.6 |
| Wi [km/s] |
22.8 ± 1.8 |
25.5 ± 0.7 |
| We [km/s] |
720.5 ± 55.8 |
805.5 ± 22.5 |
| Ni [n/cc] |
4.8 ± 0.5 |
24.0 ± 1.4 |
| Bx GSE [nT] |
-3.2 ± 0.3 |
1.2 ± 1.4 |
| By GSE [nT] |
7.1 ± 0.1 |
0.8 ± 1.3 |
| Bz GSE [nT] |
-0.3 ± 0.7 |
-0.9 ± 0.7 |
Plasma Beta
|
0.000 ± 0.000
|
0.000 ± 0.000
|
Sound Speed [km/s]
|
0.00 ± 0.00
|
0.00 ± 0.00
|
Alfven Speed [km/s]
|
0.00 ± 0.00
|
0.00 ± 0.00
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| VC |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| MX1 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| MX2 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| MX3 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| RH08 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| RH09 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| RH10 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.000 ± 0.000 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| Average |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
| Median |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
| Deviation |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
| VC |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
| MX1 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
| MX2 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
| MX3 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
| RH08 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
| RH09 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
| RH10 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
| Average |
0.0 |
0.0 |
0.00 |
| Median |
0.0 |
0.0 |
0.00 |
| Deviation |
0.0 |
0.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| VC |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| MX1 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| MX2 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| MX3 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| RH8 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| RH9 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| RH10 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| Average |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
| Median |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
| Deviation |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| VC |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| MX1 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| MX2 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| MX3 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| RH8 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| RH9 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| RH10 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.0 ± 0.0 |
0.00 ± 0.00 |
0.00 ± 0.00 |
| Average |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
| Median |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
| Deviation |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
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)
|