CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20051191508
Observation time: 04/29/2005 119.63123 1508 [UT]

Wind spacecraft

Site
Data tables
Selection
Normals
Parameters
Previous event
Next event
Yearly list
Main page
Help

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 2005
Fractional day of year 119.631233
Arrival time of shock [seconds of day] 54538.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 201.420
Y GSE location of spacecraft [Re] 49.012
Z GSE location of spacecraft [Re] -11.453
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0167
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0187
Minimum chisq/dof for RH8,RH9,RH10 9.62, 17.39, 18.28
Event added to database
Mon Sep 23 16:25:42 2013
Event last processed
Tue Sep 24 16:02:22 2013
Method selected
RH08
Propagation delay to Earth [minutes]
52.284 ± 17.404

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -370.2 ± 1.0 -385.0 ± 2.8
Vy GSE [km/s] -12.1 ± 1.1 -24.9 ± 3.1
Vz GSE [km/s] -3.4 ± 1.1 6.1 ± 1.4
Wi [km/s] 23.1 ± 0.6 26.8 ± 1.2
We [km/s] 731.1 ± 18.0 846.7 ± 39.2
Ni [n/cc] 13.5 ± 0.5 19.7 ± 2.0
Bx GSE [nT] 2.7 ± 0.2 3.3 ± 0.2
By GSE [nT] -3.4 ± 0.2 -5.0 ± 0.2
Bz GSE [nT] -1.8 ± 0.2 -2.3 ± 0.3
Plasma Beta
0.677 ± 0.662
0.727 ± 0.678
Sound Speed [km/s]
29.85 ± 0.73
34.57 ± 1.60
Alfven Speed [km/s]
28.15 ± 0.72
31.77 ± 2.01

Best values of shock front normal for each method (About, Top)

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.899 ± 0.221 -0.373 ± 0.395 0.231 ± 0.227 13.36 ± 40.23 202.52 ± 24.90
VC -0.678 ± 0.051 -0.584 ± 0.056 0.445 ± 0.413 26.45 ± 4.39 220.74 ± 4.33
MX1 -0.748 ± 0.098 -0.454 ± 0.150 0.484 ± 0.442 28.94 ± 5.39 211.21 ± 11.33
MX2 -0.746 ± 0.097 -0.455 ± 0.148 0.486 ± 0.444 29.09 ± 5.00 211.39 ± 11.27
MX3 -0.739 ± 0.096 -0.459 ± 0.145 0.493 ± 0.449 29.57 ± 4.66 211.88 ± 11.16
RH08 -0.679 ± 0.018 -0.054 ± 0.015 -0.732 ± 0.560 -47.04 ± 1.42 184.51 ± 1.27
RH09 -0.976 ± 0.015 -0.199 ± 0.068 -0.084 ± 0.084 -4.81 ± 4.02 191.53 ± 3.99
RH10 -0.975 ± 0.015 -0.199 ± 0.068 -0.095 ± 0.095 -5.45 ± 4.02 191.53 ± 3.99
Average -0.805 -0.347 0.154 8.764 203.165
Median -0.746 -0.373 0.445 26.450 211.214
Deviation 0.125 0.178 0.436 26.959 12.741

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 70.9 ± 4.0 403.0 ± 1.5 1.41 ± 0.08
VC 82.4 ± 4.3 328.0 ± 1.5 1.41 ± 0.08
MX1 73.6 ± 4.3 352.0 ± 1.6 1.41 ± 0.08
MX2 73.7 ± 4.3 351.1 ± 1.6 1.41 ± 0.08
MX3 74.0 ± 4.3 348.4 ± 1.6 1.41 ± 0.08
RH08 86.6 ± 1.5 266.0 ± 0.7 1.41 ± 0.08
RH09 68.0 ± 3.3 416.8 ± 1.2 1.41 ± 0.08
RH10 68.3 ± 3.2 415.9 ± 6.5 1.41 ± 0.08
Average 74.7 360.1 1.41
Median 73.7 352.0 1.41
Deviation 6.6 51.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 66.6 ± 1.3 6.8 ± 0.1 9.2 ± 0.2 40.5 ± 0.5 9.81 ± 0.13 1.65 ± 0.02
VC 71.3 ± 1.5 2.7 ± 0.0 3.7 ± 0.1 40.9 ± 0.5 26.23 ± 0.32 1.74 ± 0.02
MX1 71.1 ± 1.5 5.8 ± 0.1 7.9 ± 0.2 40.6 ± 0.5 12.18 ± 0.14 1.75 ± 0.02
MX2 71.1 ± 1.5 5.8 ± 0.1 7.9 ± 0.2 40.6 ± 0.5 12.25 ± 0.15 1.75 ± 0.02
MX3 71.1 ± 1.5 5.7 ± 0.1 7.8 ± 0.2 40.6 ± 0.5 12.45 ± 0.15 1.75 ± 0.02
RH8 11.3 ± 0.8 1.2 ± 0.0 1.7 ± 0.0 41.0 ± 0.5 9.37 ± 0.76 0.28 ± 0.02
RH9 52.6 ± 1.0 7.8 ± 0.1 10.5 ± 0.3 40.3 ± 0.5 6.75 ± 0.12 1.31 ± 0.02
RH10 52.1 ± 1.0 7.7 ± 0.1 10.4 ± 0.3 40.3 ± 0.5 6.77 ± 0.12 1.29 ± 0.02
Average 58.4 5.4 7.4 40.6 12.0 1.4
Median 71.1 5.8 7.9 40.6 12.2 1.7
Deviation 20.7 2.3 3.1 0.3 6.2 0.5

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 46.3 ± 3.6 7.7 ± 0.2 10.4 ± 0.7 46.4 ± 0.6 6.00 ± 0.49 1.00 ± 0.09
VC 49.6 ± 3.7 3.1 ± 0.1 4.2 ± 0.3 46.9 ± 0.7 16.01 ± 1.25 1.06 ± 0.09
MX1 49.6 ± 3.6 6.6 ± 0.2 9.0 ± 0.6 46.5 ± 0.6 7.47 ± 0.58 1.07 ± 0.09
MX2 49.6 ± 3.6 6.6 ± 0.2 8.9 ± 0.6 46.5 ± 0.6 7.51 ± 0.58 1.07 ± 0.09
MX3 49.6 ± 3.6 6.5 ± 0.2 8.8 ± 0.6 46.6 ± 0.6 7.63 ± 0.59 1.07 ± 0.09
RH8 7.6 ± 1.7 1.4 ± 0.0 1.9 ± 0.1 47.0 ± 0.7 5.55 ± 1.19 0.16 ± 0.04
RH9 36.5 ± 3.2 8.9 ± 0.2 11.9 ± 0.8 46.2 ± 0.6 4.11 ± 0.37 0.79 ± 0.08
RH10 36.1 ± 3.1 8.8 ± 0.2 11.7 ± 0.7 46.2 ± 0.6 4.12 ± 0.37 0.78 ± 0.08
Average 40.6 6.2 8.3 46.5 7.3 0.9
Median 49.6 6.6 9.0 46.5 7.5 1.1
Deviation 14.5 2.7 3.5 0.3 3.8 0.3

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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

Section Photo