CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20011690207
Observation time: 06/18/2001 169.08880 0207 [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 169.088802
Arrival time of shock [seconds of day] 7672.5 ± 9.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 77.856
Y GSE location of spacecraft [Re] 122.928
Z GSE location of spacecraft [Re] 6.270
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0270
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0266
Minimum chisq/dof for RH8,RH9,RH10 15.84, 60.99, 29.01
Event added to database
Mon Feb 14 11:14:20 2005
Event last processed
Mon Mar 30 21:13:41 2009
Method selected
RH08
Propagation delay to Earth [minutes]
42.433 ± 1.413

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -300.3 ± 2.5 -318.1 ± 1.3
Vy GSE [km/s] -25.3 ± 1.1 -38.6 ± 1.9
Vz GSE [km/s] -22.2 ± 1.6 -23.9 ± 1.2
Wi [km/s] 20.1 ± 0.5 22.2 ± 0.7
We [km/s] 634.4 ± 15.6 703.0 ± 21.0
Ni [n/cc] 17.4 ± 0.6 24.3 ± 0.7
Bx GSE [nT] 1.8 ± 0.2 3.8 ± 0.2
By GSE [nT] -2.4 ± 0.4 -5.0 ± 0.4
Bz GSE [nT] -1.7 ± 0.3 -2.1 ± 0.2
Plasma Beta
1.217 ± 1.190
0.576 ± 0.597
Sound Speed [km/s]
25.90 ± 0.64
28.70 ± 0.86
Alfven Speed [km/s]
18.30 ± 1.41
29.46 ± 1.45

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.976 ± 0.224 -0.193 ± 0.952 -0.104 ± 0.103 -5.96 ± 68.66 191.18 ± 55.90
VC -0.798 ± 0.052 -0.598 ± 0.069 -0.079 ± 0.079 -4.56 ± 5.30 216.85 ± 4.94
MX1 -0.805 ± 0.047 -0.589 ± 0.063 -0.075 ± 0.075 -4.29 ± 6.65 216.21 ± 4.48
MX2 -0.804 ± 0.047 -0.589 ± 0.064 -0.078 ± 0.078 -4.46 ± 5.87 216.22 ± 4.57
MX3 -0.804 ± 0.048 -0.589 ± 0.066 -0.080 ± 0.080 -4.60 ± 5.55 216.22 ± 4.66
RH08 -0.768 ± 0.006 -0.636 ± 0.007 -0.073 ± 0.072 -4.16 ± 0.52 219.61 ± 0.50
RH09 -0.716 ± 0.049 -0.682 ± 0.051 -0.151 ± 0.150 -8.68 ± 4.03 223.62 ± 4.07
RH10 -0.173 ± 0.065 0.119 ± 0.070 -0.978 ± 0.286 -77.86 ± 3.57 145.40 ± 20.06
Average -0.730 -0.470 -0.202 -14.321 205.664
Median -0.798 -0.589 -0.079 -4.556 216.222
Deviation 0.237 0.282 0.314 25.720 26.233

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 70.8 ± 1.6 370.9 ± 10.5 1.40 ± 0.05
VC 88.0 ± 2.8 334.1 ± 11.0 1.40 ± 0.05
MX1 88.7 ± 2.8 335.9 ± 11.1 1.40 ± 0.05
MX2 88.6 ± 2.8 335.9 ± 11.1 1.40 ± 0.05
MX3 88.6 ± 2.8 335.9 ± 11.0 1.40 ± 0.05
RH08 85.8 ± 3.0 326.0 ± 11.0 1.40 ± 0.05
RH09 80.2 ± 2.8 312.2 ± 10.5 1.40 ± 0.05
RH10 72.8 ± 6.7 81.5 ± 4.7 1.40 ± 0.05
Average 83.0 304.0 1.40
Median 88.0 335.9 1.40
Deviation 7.4 91.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 70.7 ± 2.4 5.0 ± 0.3 6.0 ± 0.5 31.3 ± 1.2 14.30 ± 1.22 2.26 ± 0.14
VC 77.7 ± 2.2 0.5 ± 0.0 0.6 ± 0.0 31.7 ± 1.2 152.28 ± 11.83 2.45 ± 0.14
MX1 77.8 ± 2.2 0.3 ± 0.0 0.4 ± 0.0 31.7 ± 1.2 232.70 ± 18.13 2.46 ± 0.14
MX2 77.7 ± 2.2 0.4 ± 0.0 0.4 ± 0.0 31.7 ± 1.2 217.37 ± 16.93 2.46 ± 0.14
MX3 77.7 ± 2.2 0.4 ± 0.0 0.5 ± 0.0 31.7 ± 1.2 207.16 ± 16.12 2.45 ± 0.14
RH8 77.6 ± 2.1 1.1 ± 0.1 1.3 ± 0.1 31.7 ± 1.2 71.47 ± 5.50 2.45 ± 0.14
RH9 76.7 ± 2.0 2.5 ± 0.1 3.1 ± 0.2 31.6 ± 1.2 30.24 ± 2.25 2.43 ± 0.13
RH10 10.8 ± 1.3 4.4 ± 0.3 5.4 ± 0.4 31.4 ± 1.2 2.42 ± 0.20 0.34 ± 0.03
Average 68.3 1.8 2.2 31.6 116.0 2.2
Median 77.7 1.1 1.3 31.7 152.3 2.5
Deviation 23.4 1.9 2.3 0.2 97.2 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 50.6 ± 1.5 6.8 ± 0.1 9.7 ± 0.5 40.6 ± 0.7 7.41 ± 0.32 1.25 ± 0.05
VC 55.5 ± 2.0 0.7 ± 0.0 1.0 ± 0.0 41.1 ± 0.7 78.80 ± 3.81 1.35 ± 0.07
MX1 55.5 ± 1.9 0.5 ± 0.0 0.7 ± 0.0 41.2 ± 0.7 120.44 ± 5.81 1.35 ± 0.07
MX2 55.5 ± 1.9 0.5 ± 0.0 0.7 ± 0.0 41.1 ± 0.7 112.50 ± 5.43 1.35 ± 0.07
MX3 55.5 ± 1.9 0.5 ± 0.0 0.7 ± 0.0 41.1 ± 0.7 107.21 ± 5.17 1.35 ± 0.07
RH8 55.3 ± 2.0 1.5 ± 0.0 2.1 ± 0.1 41.1 ± 0.7 36.97 ± 1.81 1.35 ± 0.07
RH9 54.7 ± 2.0 3.5 ± 0.1 5.0 ± 0.2 41.0 ± 0.7 15.63 ± 0.77 1.33 ± 0.07
RH10 7.7 ± 1.1 6.1 ± 0.1 8.7 ± 0.4 40.7 ± 0.7 1.26 ± 0.19 0.19 ± 0.03
Average 48.8 2.5 3.6 41.0 60.0 1.2
Median 55.5 1.5 2.1 41.1 78.8 1.3
Deviation 16.7 2.7 3.8 0.2 50.3 0.4

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