CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20010040114
Observation time: 01/04/2001 4.05175 0114 [UT]

Wind spacecraft

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


General Information (About, Top)

Year 2001
Fractional day of year 4.051753
Arrival time of shock [seconds of day] 4471.5 ± 10.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 3.510
Y GSE location of spacecraft [Re] 252.580
Z GSE location of spacecraft [Re] -17.602
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0254
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0253
Minimum chisq/dof for RH8,RH9,RH10 233.54, 292.52, 306.82
Event added to database
Mon Feb 14 11:11:41 2005
Event last processed
Mon Mar 30 20:17:33 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-2.317 ± 2.071

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -362.9 ± 2.5 -400.6 ± 1.4
Vy GSE [km/s] -3.9 ± 0.7 4.9 ± 1.1
Vz GSE [km/s] -6.0 ± 1.5 -22.8 ± 2.1
Wi [km/s] 38.1 ± 1.0 43.1 ± 0.9
We [km/s] 1204.1 ± 30.1 1363.6 ± 29.1
Ni [n/cc] 8.2 ± 0.4 13.7 ± 0.3
Bx GSE [nT] 0.5 ± 0.4 5.1 ± 0.1
By GSE [nT] 2.8 ± 0.0 4.0 ± 0.2
Bz GSE [nT] -3.1 ± 0.3 -0.6 ± 0.4
Plasma Beta
1.425 ± 1.442
1.274 ± 1.292
Sound Speed [km/s]
49.16 ± 1.23
55.67 ± 1.19
Alfven Speed [km/s]
31.96 ± 1.04
38.27 ± 1.10

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.479 ± 0.671 -0.683 ± 0.513 0.551 ± 0.487 33.44 ± 29.70 234.93 ± 54.55
VC -0.894 ± 0.018 0.210 ± 0.034 -0.396 ± 0.374 -23.33 ± 2.44 166.75 ± 2.19
MX1 -0.558 ± 0.669 -0.627 ± 0.611 0.544 ± 0.483 32.97 ± 31.79 228.34 ± 58.35
MX2 -0.668 ± 0.926 0.697 ± 0.889 -0.261 ± 0.255 -15.11 ± 24.50 133.80 ± 75.91
MX3 -0.281 ± 0.036 0.959 ± 0.011 0.039 ± 0.039 2.24 ± 5.07 106.31 ± 2.17
RH08 -0.991 ± 0.005 0.043 ± 0.035 -0.128 ± 0.128 -7.38 ± 2.00 177.49 ± 2.00
RH09 -0.996 ± 0.007 0.044 ± 0.069 -0.084 ± 0.084 -4.81 ± 4.02 177.49 ± 3.99
RH10 -0.996 ± 0.007 0.044 ± 0.069 -0.084 ± 0.084 -4.81 ± 4.02 177.49 ± 3.99
Average -0.733 0.086 0.023 1.651 175.327
Median -0.668 0.044 -0.084 -4.807 177.493
Deviation 0.276 0.568 0.349 20.915 42.993

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 23.4 ± 6.8 180.8 ± 3.8 1.68 ± 0.06
VC 71.0 ± 6.6 427.4 ± 9.7 1.68 ± 0.06
MX1 27.8 ± 6.7 217.6 ± 4.1 1.68 ± 0.06
MX2 54.8 ± 4.8 327.4 ± 7.4 1.68 ± 0.06
MX3 54.8 ± 0.8 142.2 ± 3.3 1.68 ± 0.06
RH08 89.7 ± 6.4 454.8 ± 9.1 1.68 ± 0.06
RH09 88.4 ± 6.4 455.0 ± 9.0 1.68 ± 0.06
RH10 88.4 ± 6.4 455.0 ± 9.0 1.68 ± 0.06
Average 62.3 332.5 1.68
Median 71.0 427.4 1.68
Deviation 26.7 134.4 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 7.5 ± 0.9 28.0 ± 0.8 29.3 ± 1.0 51.5 ± 1.1 0.27 ± 0.03 0.15 ± 0.02
VC 101.5 ± 2.6 8.8 ± 0.2 10.4 ± 0.3 58.0 ± 1.1 11.51 ± 0.26 1.75 ± 0.03
MX1 16.1 ± 1.1 26.6 ± 0.7 28.3 ± 0.9 52.3 ± 1.1 0.60 ± 0.04 0.31 ± 0.02
MX2 86.1 ± 1.7 16.1 ± 0.4 18.4 ± 0.6 56.4 ± 1.0 5.37 ± 0.12 1.53 ± 0.03
MX3 44.3 ± 0.6 16.0 ± 0.4 18.4 ± 0.6 56.4 ± 1.0 2.77 ± 0.08 0.79 ± 0.02
RH8 94.7 ± 2.6 0.2 ± 0.0 0.2 ± 0.0 58.6 ± 1.1 591.62 ± 14.46 1.61 ± 0.03
RH9 93.4 ± 2.6 0.7 ± 0.0 0.9 ± 0.0 58.6 ± 1.1 128.05 ± 3.15 1.59 ± 0.03
RH10 93.4 ± 2.6 0.7 ± 0.0 0.9 ± 0.0 58.6 ± 1.1 128.05 ± 3.15 1.59 ± 0.03
Average 67.1 12.1 13.3 56.3 108.5 1.2
Median 93.4 16.0 18.4 58.0 11.5 1.6
Deviation 38.5 11.4 12.1 2.9 203.1 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 4.7 ± 1.5 33.2 ± 0.7 35.1 ± 1.0 58.8 ± 0.9 0.14 ± 0.04 0.08 ± 0.03
VC 59.3 ± 1.8 10.4 ± 0.2 12.5 ± 0.4 66.8 ± 0.8 5.71 ± 0.12 0.89 ± 0.03
MX1 9.7 ± 1.4 31.5 ± 0.7 33.8 ± 1.0 59.8 ± 0.9 0.31 ± 0.05 0.16 ± 0.02
MX2 50.4 ± 1.6 18.9 ± 0.3 22.1 ± 0.6 64.9 ± 0.8 2.66 ± 0.06 0.78 ± 0.03
MX3 25.9 ± 1.1 18.9 ± 0.3 22.0 ± 0.6 64.9 ± 0.8 1.37 ± 0.05 0.40 ± 0.02
RH8 54.8 ± 1.5 0.2 ± 0.0 0.2 ± 0.0 67.6 ± 0.8 290.68 ± 5.65 0.81 ± 0.03
RH9 54.0 ± 1.5 0.9 ± 0.0 1.0 ± 0.0 67.6 ± 0.8 62.93 ± 1.20 0.80 ± 0.03
RH10 54.0 ± 1.5 0.9 ± 0.0 1.0 ± 0.0 67.6 ± 0.8 62.93 ± 1.20 0.80 ± 0.03
Average 39.1 14.4 16.0 64.7 53.3 0.6
Median 54.0 18.9 22.0 66.8 5.7 0.8
Deviation 22.2 13.5 14.5 3.5 99.8 0.3

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)

   
 

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