CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20001210511
Observation time: 04/30/2000 121.21651 0511 [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 2000
Fractional day of year 121.216510
Arrival time of shock [seconds of day] 18706.5 ± 27.0
Shock type SR
Electron data availability 0
X GSE location of spacecraft [Re] 55.488
Y GSE location of spacecraft [Re] 18.620
Z GSE location of spacecraft [Re] -5.650
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0159
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0208
Minimum chisq/dof for RH8,RH9,RH10 6.82, 11.35, 12.09
Event added to database
Mon Feb 14 11:09:35 2005
Event last processed
Mon Mar 30 19:22:45 2009
Method selected
RH08
Propagation delay to Earth [minutes]
16.382 ± 0.887

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -396.9 ± 2.8 -413.4 ± 2.0
Vy GSE [km/s] -10.2 ± 1.5 0.2 ± 3.4
Vz GSE [km/s] 14.3 ± 3.8 8.0 ± 1.8
Wi [km/s] 42.1 ± 1.8 33.3 ± 0.4
We [km/s] 1331.0 ± 57.4 1054.5 ± 12.9
Ni [n/cc] 5.5 ± 0.2 3.7 ± 0.2
Bx GSE [nT] 4.4 ± 0.4 4.9 ± 0.1
By GSE [nT] -3.5 ± 0.3 -4.3 ± 0.2
Bz GSE [nT] 2.4 ± 0.5 3.8 ± 0.1
Plasma Beta
0.556 ± 0.511
0.152 ± 0.152
Sound Speed [km/s]
54.34 ± 2.34
43.05 ± 0.52
Alfven Speed [km/s]
56.94 ± 3.55
85.59 ± 2.28

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.851 ± 0.189 0.416 ± 0.360 0.321 ± 0.309 18.70 ± 13.97 153.93 ± 24.11
VC -0.811 ± 0.104 0.506 ± 0.155 -0.292 ± 0.284 -17.01 ± 9.66 148.05 ± 10.79
MX1 -0.988 ± 0.057 0.003 ± 0.728 0.153 ± 0.152 8.82 ± 21.26 179.85 ± 42.23
MX2 -0.965 ± 0.112 0.141 ± 0.597 0.221 ± 0.217 12.75 ± 18.45 171.67 ± 35.44
MX3 -0.899 ± 0.150 0.318 ± 0.373 0.301 ± 0.292 17.54 ± 14.60 160.51 ± 23.74
RH08 -0.956 ± 0.008 -0.109 ± 0.025 0.274 ± 0.267 15.89 ± 1.54 186.52 ± 1.48
RH09 -0.939 ± 0.024 -0.192 ± 0.070 0.285 ± 0.277 16.55 ± 3.98 191.53 ± 4.24
RH10 -0.939 ± 0.024 -0.192 ± 0.070 0.285 ± 0.277 16.55 ± 3.98 191.53 ± 4.24
Average -0.919 0.111 0.193 11.223 172.950
Median -0.939 0.141 0.285 16.554 179.851
Deviation 0.061 0.277 0.203 11.828 17.157

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 43.7 ± 2.9 305.8 ± 5.6 0.66 ± 0.02
VC 9.8 ± 2.2 271.0 ± 8.6 0.66 ± 0.02
MX1 49.8 ± 2.0 363.1 ± 7.4 0.66 ± 0.02
MX2 46.9 ± 2.0 353.0 ± 6.6 0.66 ± 0.02
MX3 45.0 ± 2.5 325.4 ± 5.8 0.66 ± 0.02
RH08 59.3 ± 2.0 357.7 ± 6.8 0.66 ± 0.02
RH09 63.4 ± 2.0 354.4 ± 6.9 0.66 ± 0.02
RH10 63.4 ± 2.0 354.4 ± 6.9 0.66 ± 0.02
Average 47.7 335.6 0.66
Median 49.8 354.4 0.66
Deviation 17.3 32.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -32.3 ± 1.5 30.8 ± 0.6 41.1 ± 2.6 72.5 ± 1.5 -1.05 ± 0.06 -0.45 ± 0.02
VC -41.8 ± 2.9 49.9 ± 1.0 56.1 ± 3.5 60.9 ± 1.5 -0.84 ± 0.05 -0.69 ± 0.06
MX1 -31.3 ± 2.3 26.9 ± 0.5 36.8 ± 2.3 74.0 ± 1.5 -1.16 ± 0.09 -0.42 ± 0.03
MX2 -31.8 ± 2.0 28.8 ± 0.6 38.9 ± 2.4 73.3 ± 1.5 -1.11 ± 0.08 -0.43 ± 0.03
MX3 -32.4 ± 1.6 30.0 ± 0.6 40.3 ± 2.5 72.9 ± 1.5 -1.08 ± 0.06 -0.45 ± 0.03
RH8 -26.6 ± 2.0 20.8 ± 0.4 29.1 ± 1.8 76.0 ± 1.6 -1.28 ± 0.10 -0.35 ± 0.03
RH9 -24.4 ± 2.0 18.0 ± 0.4 25.5 ± 1.6 76.7 ± 1.6 -1.36 ± 0.12 -0.32 ± 0.03
RH10 -24.4 ± 2.0 18.0 ± 0.4 25.5 ± 1.6 76.7 ± 1.6 -1.36 ± 0.12 -0.32 ± 0.03
Average -30.6 27.9 36.7 72.9 -1.2 -0.4
Median -31.3 28.8 38.9 74.0 -1.1 -0.4
Deviation 5.7 10.3 10.2 5.1 0.2 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -48.7 ± 2.3 29.2 ± 0.3 61.8 ± 1.6 91.3 ± 2.0 -1.67 ± 0.09 -0.53 ± 0.02
VC -62.2 ± 2.3 42.2 ± 0.5 84.3 ± 2.2 86.0 ± 2.3 -1.48 ± 0.07 -0.72 ± 0.01
MX1 -46.7 ± 2.0 25.8 ± 0.2 55.3 ± 1.5 92.3 ± 2.0 -1.81 ± 0.09 -0.51 ± 0.02
MX2 -47.8 ± 2.1 27.4 ± 0.2 58.5 ± 1.6 91.8 ± 2.0 -1.74 ± 0.08 -0.52 ± 0.02
MX3 -48.7 ± 2.2 28.5 ± 0.2 60.5 ± 1.6 91.5 ± 2.0 -1.71 ± 0.08 -0.53 ± 0.02
RH8 -39.5 ± 2.1 20.1 ± 0.2 43.7 ± 1.2 93.7 ± 1.9 -1.97 ± 0.11 -0.42 ± 0.02
RH9 -36.2 ± 2.1 17.5 ± 0.1 38.3 ± 1.0 94.2 ± 1.9 -2.07 ± 0.13 -0.38 ± 0.02
RH10 -36.2 ± 2.1 17.5 ± 0.1 38.3 ± 1.0 94.2 ± 1.9 -2.07 ± 0.13 -0.38 ± 0.02
Average -45.7 26.0 55.1 91.9 -1.8 -0.5
Median -46.7 27.4 58.5 92.3 -1.7 -0.5
Deviation 8.6 8.1 15.3 2.7 0.2 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