CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 19980490753
Observation time: 02/18/1998 49.32848 0753 [UT]

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 General information
Asymptotic parameters
Shock front normals
Key parameters
Wave speed and Mach numbers
 Survey
Selected
 Simple methods
Rankine
Individual equations
 Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 1998
Fractional day of year 49.328484
Arrival time of shock [seconds of day] 28381.0 ± 65.0
Shock type NN
Electron data availability 0
X GSE location of spacecraft [Re] 0.038
Y GSE location of spacecraft [Re] 0.003
Z GSE location of spacecraft [Re] 0.004
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0038
Downstream plasma points selected for analysis 0010
Downstream field points selected for analysis 0038
Minimum chisq/dof for RH8,RH9,RH10 0.00, 0.00, 0.00
Event added to database
 Mon Jun 27 11:21:57 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] -375.3 ± 0.6 -415.8 ± 3.9
Vy GSE [km/s] -25.7 ± 1.0 -33.8 ± 1.7
Vz GSE [km/s] -35.7 ± 0.7 -22.2 ± 3.5
Wi [km/s] 26.8 ± 0.5 31.3 ± 1.0
We [km/s] 847.5 ± 17.3 990.7 ± 30.4
Ni [n/cc] 21.6 ± 1.1 32.2 ± 1.3
Bx GSE [nT] 7.9 ± 0.3 7.6 ± 0.6
By GSE [nT] -13.6 ± 0.2 -21.0 ± 0.3
Bz GSE [nT] -1.2 ± 0.5 1.2 ± 0.9
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)
Survey of solar wind interval
Selected data (About, Top)
Key plasma parameters
Survey
Velocity
V
Magnetic Field
B


Simple Methods (About, Top)
Simple methods
Rankine Chi^2 Contour (About, Top)
Chisq


Shock Speed (About, Top)
Shock Speed

Theta Bn (About, Top)
Theta Bn

Mach Numbers (About, Top)
Upstream wave speeds
 Upstream Mach numbers
Downsteam wave speeds
 Downstream mach numbers
Page updated Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)
   
 

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