CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20012900713
Observation time: 10/17/2001 290.30101 0713 [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 2001
Fractional day of year 290.301010
Arrival time of shock [seconds of day] 26007.2 ± 60.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 66.379
Y GSE location of spacecraft [Re] -47.924
Z GSE location of spacecraft [Re] 7.130
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0256
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0283
Minimum chisq/dof for RH8,RH9,RH10 8.47, 10.30, 13.36
Event added to database
Mon Feb 14 11:15:56 2005
Event last processed
Mon Mar 30 21:50:35 2009
Method selected
RH08
Propagation delay to Earth [minutes]
13.681 ± 4.312

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -321.2 ± 1.2 -341.9 ± 1.6
Vy GSE [km/s] 20.9 ± 2.7 -4.5 ± 1.7
Vz GSE [km/s] -14.1 ± 2.5 -9.7 ± 1.4
Wi [km/s] 25.0 ± 0.7 20.1 ± 0.7
We [km/s] 790.9 ± 22.4 634.5 ± 21.5
Ni [n/cc] 1.2 ± 0.0 4.9 ± 0.2
Bx GSE [nT] -2.3 ± 0.2 2.4 ± 0.2
By GSE [nT] 2.7 ± 0.2 1.3 ± 0.2
Bz GSE [nT] 0.2 ± 0.1 -0.2 ± 0.1
Plasma Beta
0.129 ± 0.132
0.559 ± 0.543
Sound Speed [km/s]
32.29 ± 0.92
25.90 ± 0.88
Alfven Speed [km/s]
69.63 ± 1.46
26.91 ± 1.34

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.277 ± 0.046 -0.961 ± 0.013 0.013 ± 0.013 0.76 ± 2.21 253.91 ± 2.74
VC -0.628 ± 0.066 -0.768 ± 0.054 0.130 ± 0.129 7.47 ± 4.72 230.73 ± 4.87
MX1 -0.271 ± 0.049 -0.959 ± 0.015 0.085 ± 0.085 4.87 ± 3.91 254.23 ± 2.95
MX2 -0.261 ± 0.058 -0.951 ± 0.033 0.169 ± 0.167 9.71 ± 10.36 254.66 ± 3.44
MX3 -0.269 ± 0.051 -0.958 ± 0.017 0.104 ± 0.104 5.97 ± 5.22 254.32 ± 3.03
RH08 -0.130 ± 0.022 -0.165 ± 0.027 -0.978 ± 0.286 -77.86 ± 2.00 231.64 ± 2.00
RH09 -0.128 ± 0.050 -0.167 ± 0.056 -0.978 ± 0.286 -77.86 ± 3.67 232.65 ± 11.26
RH10 -0.118 ± 0.040 -0.091 ± 0.038 -0.989 ± 0.212 -81.43 ± 2.51 217.60 ± 13.02
Average -0.260 -0.627 -0.305 -26.047 241.219
Median -0.261 -0.768 0.085 4.866 253.913
Deviation 0.165 0.408 0.561 43.979 14.714

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 56.9 ± 4.0 108.9 ± 1.5 4.01 ± 0.22
VC 80.5 ± 4.0 227.7 ± 0.8 4.01 ± 0.22
MX1 57.0 ± 4.1 106.1 ± 1.5 4.01 ± 0.22
MX2 57.4 ± 4.0 101.8 ± 1.5 4.01 ± 0.22
MX3 57.1 ± 4.0 105.2 ± 1.5 4.01 ± 0.22
RH08 84.0 ± 1.4 55.7 ± 1.9 4.01 ± 0.22
RH09 83.8 ± 1.4 54.7 ± 1.9 4.01 ± 0.22
RH10 86.7 ± 1.4 50.6 ± 1.9 4.01 ± 0.22
Average 70.4 101.3 4.01
Median 80.5 105.2 4.01
Deviation 14.4 57.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 40.1 ± 2.6 16.4 ± 0.4 38.0 ± 0.8 75.0 ± 1.2 2.45 ± 0.15 0.53 ± 0.03
VC 43.9 ± 2.3 4.8 ± 0.1 11.5 ± 0.2 76.6 ± 1.2 9.11 ± 0.45 0.57 ± 0.03
MX1 40.3 ± 2.7 16.3 ± 0.4 37.9 ± 0.8 75.0 ± 1.2 2.47 ± 0.15 0.54 ± 0.03
MX2 40.3 ± 2.7 16.1 ± 0.4 37.5 ± 0.8 75.0 ± 1.2 2.50 ± 0.16 0.54 ± 0.03
MX3 40.4 ± 2.7 16.3 ± 0.4 37.8 ± 0.8 75.0 ± 1.2 2.48 ± 0.15 0.54 ± 0.03
RH8 3.5 ± 2.5 3.0 ± 0.1 7.2 ± 0.2 76.7 ± 1.2 1.15 ± 0.81 0.05 ± 0.03
RH9 3.5 ± 2.5 3.1 ± 0.1 7.5 ± 0.2 76.7 ± 1.2 1.11 ± 0.79 0.05 ± 0.03
RH10 0.6 ± 2.5 1.7 ± 0.0 4.0 ± 0.1 76.7 ± 1.2 0.38 ± 1.49 0.01 ± 0.03
Average 26.6 9.7 22.7 75.9 2.7 0.4
Median 40.3 16.1 37.5 76.6 2.5 0.5
Deviation 20.0 7.1 16.3 0.9 2.7 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 10.0 ± 1.3 10.6 ± 0.4 14.7 ± 0.7 35.8 ± 1.3 0.94 ± 0.09 0.28 ± 0.03
VC 11.0 ± 0.5 3.1 ± 0.1 4.4 ± 0.2 37.2 ± 1.3 3.57 ± 0.12 0.30 ± 0.01
MX1 10.1 ± 1.3 10.6 ± 0.4 14.6 ± 0.7 35.8 ± 1.3 0.95 ± 0.09 0.28 ± 0.03
MX2 10.1 ± 1.3 10.5 ± 0.4 14.5 ± 0.7 35.9 ± 1.3 0.96 ± 0.09 0.28 ± 0.03
MX3 10.1 ± 1.3 10.6 ± 0.4 14.6 ± 0.7 35.8 ± 1.3 0.95 ± 0.09 0.28 ± 0.03
RH8 0.8 ± 1.4 1.9 ± 0.1 2.8 ± 0.1 37.3 ± 1.3 0.44 ± 0.72 0.02 ± 0.04
RH9 0.9 ± 1.4 2.0 ± 0.1 2.9 ± 0.1 37.3 ± 1.3 0.42 ± 0.70 0.02 ± 0.04
RH10 0.2 ± 1.4 1.1 ± 0.0 1.5 ± 0.1 37.3 ± 1.3 0.15 ± 1.34 0.00 ± 0.04
Average 6.6 6.3 8.8 36.6 1.0 0.2
Median 10.1 10.5 14.5 37.2 0.9 0.3
Deviation 5.0 4.6 6.3 0.8 1.1 0.1

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)

   
 

Section Photo