CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20011580925
Observation time: 06/07/2001 158.39269 0925 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
Wave speed and Mach numbers
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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2001
Fractional day of year 158.392691
Arrival time of shock [seconds of day] 33928.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 101.158
Y GSE location of spacecraft [Re] 12.876
Z GSE location of spacecraft [Re] -2.518
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0279
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0293
Minimum chisq/dof for RH8,RH9,RH10 4.24, 7.55, 7.66
Event added to database
Mon Feb 14 11:14:09 2005
Event last processed
Mon Mar 30 21:10:04 2009
Method selected
RH08
Propagation delay to Earth [minutes]
24.617 ± 1.009

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -380.4 ± 2.4 -399.2 ± 8.1
Vy GSE [km/s] -37.9 ± 1.6 -52.2 ± 3.3
Vz GSE [km/s] -26.7 ± 4.1 -19.4 ± 6.8
Wi [km/s] 26.0 ± 0.6 31.1 ± 2.5
We [km/s] 823.7 ± 18.4 983.4 ± 78.7
Ni [n/cc] 5.3 ± 0.2 8.3 ± 0.6
Bx GSE [nT] 5.4 ± 0.5 6.1 ± 1.5
By GSE [nT] -5.4 ± 0.4 -7.7 ± 0.7
Bz GSE [nT] -1.6 ± 0.6 -0.2 ± 1.5
Plasma Beta
0.124 ± 0.125
0.171 ± 0.157
Sound Speed [km/s]
33.63 ± 0.75
40.15 ± 3.21
Alfven Speed [km/s]
74.04 ± 2.29
76.53 ± 5.73

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.849 ± 0.260 0.306 ± 0.496 0.431 ± 0.402 25.53 ± 26.83 160.15 ± 33.15
VC -0.731 ± 0.180 -0.618 ± 0.208 0.289 ± 0.281 16.81 ± 15.56 220.19 ± 15.78
MX1 -0.951 ± 0.064 -0.032 ± 0.454 0.308 ± 0.298 17.94 ± 11.66 181.93 ± 27.37
MX2 -0.960 ± 0.066 -0.109 ± 0.431 0.256 ± 0.250 14.85 ± 10.03 186.47 ± 25.71
MX3 -0.963 ± 0.104 -0.233 ± 0.423 0.136 ± 0.135 7.81 ± 8.98 193.57 ± 25.18
RH08 -0.997 ± 0.001 -0.079 ± 0.016 0.028 ± 0.028 1.60 ± 0.99 184.51 ± 0.94
RH09 -0.997 ± 0.006 -0.079 ± 0.068 0.028 ± 0.028 1.60 ± 4.06 184.51 ± 3.91
RH10 -0.997 ± 0.006 -0.079 ± 0.068 0.028 ± 0.028 1.60 ± 4.06 184.51 ± 3.91
Average -0.930 -0.115 0.188 10.967 186.982
Median -0.960 -0.079 0.256 14.846 184.513
Deviation 0.094 0.255 0.155 9.125 16.521

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 27.4 ± 5.4 336.4 ± 16.1 1.56 ± 0.13
VC 81.8 ± 5.1 363.9 ± 11.7 1.56 ± 0.13
MX1 45.4 ± 5.1 410.8 ± 15.9 1.56 ± 0.13
MX2 49.8 ± 5.0 422.2 ± 15.8 1.56 ± 0.13
MX3 57.4 ± 4.8 434.5 ± 15.8 1.56 ± 0.13
RH08 49.8 ± 4.6 436.3 ± 17.9 1.56 ± 0.13
RH09 49.8 ± 4.6 436.3 ± 17.9 1.56 ± 0.13
RH10 49.8 ± 4.6 436.3 ± 17.9 1.56 ± 0.13
Average 51.4 409.6 1.56
Median 49.8 434.5 1.56
Deviation 15.0 38.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 36.6 ± 3.2 29.1 ± 0.6 65.7 ± 2.0 75.9 ± 2.3 1.26 ± 0.10 0.48 ± 0.04
VC 70.0 ± 3.6 4.4 ± 0.1 10.6 ± 0.3 81.2 ± 2.2 15.96 ± 0.75 0.86 ± 0.04
MX1 56.1 ± 3.4 22.3 ± 0.5 52.0 ± 1.6 78.2 ± 2.2 2.51 ± 0.14 0.72 ± 0.04
MX2 59.5 ± 3.3 20.4 ± 0.4 47.8 ± 1.5 78.7 ± 2.2 2.92 ± 0.15 0.76 ± 0.04
MX3 63.0 ± 3.0 16.8 ± 0.4 39.8 ± 1.2 79.6 ± 2.2 3.74 ± 0.16 0.79 ± 0.04
RH8 54.9 ± 2.5 20.4 ± 0.4 47.8 ± 1.5 78.7 ± 2.2 2.69 ± 0.11 0.70 ± 0.03
RH9 54.9 ± 2.5 20.4 ± 0.4 47.8 ± 1.5 78.7 ± 2.2 2.69 ± 0.11 0.70 ± 0.03
RH10 54.9 ± 2.5 20.4 ± 0.4 47.8 ± 1.5 78.7 ± 2.2 2.69 ± 0.11 0.70 ± 0.03
Average 56.3 19.3 44.9 78.7 4.3 0.7
Median 56.1 20.4 47.8 78.7 2.7 0.7
Deviation 9.5 7.0 15.7 1.5 4.8 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 21.8 ± 6.7 34.3 ± 2.2 67.9 ± 5.1 79.4 ± 5.1 0.64 ± 0.21 0.27 ± 0.07
VC 45.3 ± 4.1 5.1 ± 0.2 10.9 ± 0.8 86.4 ± 4.3 8.96 ± 1.04 0.52 ± 0.04
MX1 35.5 ± 6.9 26.1 ± 1.4 53.7 ± 4.0 82.5 ± 4.6 1.37 ± 0.29 0.43 ± 0.07
MX2 38.0 ± 6.8 23.8 ± 1.3 49.4 ± 3.7 83.2 ± 4.6 1.61 ± 0.32 0.46 ± 0.07
MX3 40.6 ± 6.9 19.6 ± 1.0 41.2 ± 3.1 84.3 ± 4.5 2.08 ± 0.39 0.48 ± 0.07
RH8 34.9 ± 7.8 23.8 ± 1.3 49.4 ± 3.7 83.2 ± 4.6 1.47 ± 0.35 0.42 ± 0.08
RH9 34.9 ± 7.8 23.8 ± 1.3 49.4 ± 3.7 83.2 ± 4.6 1.47 ± 0.35 0.42 ± 0.08
RH10 34.9 ± 7.8 23.8 ± 1.3 49.4 ± 3.7 83.2 ± 4.6 1.47 ± 0.35 0.42 ± 0.08
Average 35.7 22.5 46.4 83.2 2.4 0.4
Median 35.5 23.8 49.4 83.2 1.5 0.4
Deviation 6.7 8.2 16.2 1.9 2.7 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)

   
 

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