CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20010621129
Observation time: 03/03/2001 62.47866 1129 [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 62.478663
Arrival time of shock [seconds of day] 41356.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] -71.868
Y GSE location of spacecraft [Re] -92.401
Z GSE location of spacecraft [Re] 7.724
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0234
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0251
Minimum chisq/dof for RH8,RH9,RH10 6.21, 9.77, 10.26
Event added to database
Mon Feb 14 11:12:38 2005
Event last processed
Mon Mar 30 20:31:25 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-9.781 ± 0.526

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -445.7 ± 3.7 -501.8 ± 2.8
Vy GSE [km/s] 2.2 ± 4.4 29.8 ± 9.5
Vz GSE [km/s] 5.5 ± 5.7 35.7 ± 4.6
Wi [km/s] 34.2 ± 2.3 47.0 ± 4.3
We [km/s] 1082.6 ± 73.8 1486.5 ± 135.1
Ni [n/cc] 3.1 ± 0.3 6.4 ± 0.4
Bx GSE [nT] -2.3 ± 0.3 -2.4 ± 0.4
By GSE [nT] 2.9 ± 0.4 3.3 ± 0.6
Bz GSE [nT] -1.3 ± 0.9 -6.4 ± 0.8
Plasma Beta
0.477 ± 0.503
0.525 ± 0.599
Sound Speed [km/s]
44.20 ± 3.01
60.69 ± 5.52
Alfven Speed [km/s]
49.96 ± 2.25
66.02 ± 4.69

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.679 ± 0.138 0.730 ± 0.128 0.076 ± 0.076 4.34 ± 5.09 132.92 ± 10.82
VC -0.813 ± 0.061 0.392 ± 0.105 0.430 ± 0.401 25.48 ± 5.14 154.24 ± 7.27
MX1 -0.763 ± 0.153 0.643 ± 0.181 0.065 ± 0.065 3.71 ± 4.77 139.86 ± 13.60
MX2 -0.853 ± 0.053 0.517 ± 0.088 0.068 ± 0.068 3.89 ± 4.25 148.76 ± 5.90
MX3 -0.885 ± 0.044 0.460 ± 0.084 0.066 ± 0.066 3.79 ± 4.19 152.54 ± 5.45
RH08 -0.974 ± 0.005 0.217 ± 0.022 0.061 ± 0.061 3.52 ± 1.17 167.47 ± 1.31
RH09 -0.991 ± 0.009 0.131 ± 0.068 0.006 ± 0.006 0.32 ± 4.05 172.48 ± 3.94
RH10 -0.994 ± 0.008 0.114 ± 0.068 0.006 ± 0.006 0.32 ± 4.05 173.48 ± 3.94
Average -0.869 0.401 0.097 5.673 155.218
Median -0.853 0.460 0.066 3.792 154.240
Deviation 0.115 0.231 0.137 8.163 14.949

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 25.7 ± 9.2 421.5 ± 16.9 2.21 ± 0.17
VC 51.6 ± 8.3 501.8 ± 15.9 2.21 ± 0.17
MX1 27.5 ± 7.5 463.8 ± 16.5 2.21 ± 0.17
MX2 32.2 ± 6.1 508.2 ± 15.9 2.21 ± 0.17
MX3 34.6 ± 5.6 523.1 ± 15.6 2.21 ± 0.17
RH08 45.5 ± 4.6 553.6 ± 14.4 2.21 ± 0.17
RH09 48.2 ± 4.8 556.2 ± 13.7 2.21 ± 0.17
RH10 49.0 ± 4.8 556.5 ± 13.7 2.21 ± 0.17
Average 39.3 510.6 2.21
Median 45.5 523.1 2.21
Deviation 10.4 48.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 116.9 ± 4.7 34.8 ± 1.4 45.0 ± 2.0 57.0 ± 1.2 3.36 ± 0.25 2.05 ± 0.10
VC 136.2 ± 4.8 21.7 ± 0.7 31.0 ± 1.4 63.2 ± 1.4 6.29 ± 0.37 2.16 ± 0.10
MX1 122.0 ± 4.6 34.0 ± 1.3 44.3 ± 2.0 57.5 ± 1.2 3.59 ± 0.26 2.12 ± 0.10
MX2 126.5 ± 4.5 31.7 ± 1.2 42.3 ± 1.9 58.8 ± 1.2 4.00 ± 0.27 2.15 ± 0.10
MX3 127.1 ± 4.4 30.6 ± 1.1 41.1 ± 1.9 59.4 ± 1.3 4.17 ± 0.28 2.14 ± 0.10
RH8 118.6 ± 4.0 24.9 ± 0.9 35.0 ± 1.6 62.0 ± 1.4 4.77 ± 0.30 1.92 ± 0.09
RH9 114.1 ± 3.9 23.5 ± 0.8 33.3 ± 1.5 62.5 ± 1.4 4.86 ± 0.31 1.83 ± 0.09
RH10 113.5 ± 3.8 23.1 ± 0.8 32.8 ± 1.5 62.7 ± 1.4 4.93 ± 0.31 1.81 ± 0.09
Average 121.9 28.0 38.1 60.4 4.5 2.0
Median 122.0 30.6 41.1 62.0 4.8 2.1
Deviation 7.8 5.3 5.7 2.5 0.9 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 56.3 ± 7.5 46.8 ± 1.4 59.5 ± 4.2 76.7 ± 0.8 1.20 ± 0.15 0.73 ± 0.10
VC 66.7 ± 5.5 29.1 ± 0.7 41.0 ± 2.9 85.0 ± 0.9 2.29 ± 0.19 0.79 ± 0.07
MX1 59.5 ± 6.8 45.7 ± 1.4 58.6 ± 4.2 77.4 ± 0.8 1.30 ± 0.14 0.77 ± 0.09
MX2 62.3 ± 5.8 42.6 ± 1.2 55.9 ± 4.0 79.1 ± 0.8 1.46 ± 0.13 0.79 ± 0.07
MX3 62.7 ± 5.3 41.1 ± 1.1 54.4 ± 3.9 80.0 ± 0.8 1.53 ± 0.12 0.78 ± 0.07
RH8 56.1 ± 3.7 33.5 ± 0.8 46.3 ± 3.3 83.4 ± 0.9 1.67 ± 0.10 0.67 ± 0.05
RH9 54.6 ± 3.2 31.6 ± 0.8 44.0 ± 3.1 84.1 ± 0.9 1.73 ± 0.09 0.65 ± 0.04
RH10 54.4 ± 3.1 31.0 ± 0.8 43.3 ± 3.1 84.4 ± 0.9 1.75 ± 0.09 0.64 ± 0.04
Average 59.1 37.7 50.4 81.3 1.6 0.7
Median 59.5 41.1 54.4 83.4 1.7 0.8
Deviation 4.5 7.1 7.5 3.4 0.3 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

Section Photo