CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20073222121
Observation time: 11/18/2007 322.88991 2121 [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 2007
Fractional day of year 322.889913
Arrival time of shock [seconds of day] 76888.5 ± 60.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 234.700
Y GSE location of spacecraft [Re] 88.104
Z GSE location of spacecraft [Re] 15.040
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0267
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0179
Minimum chisq/dof for RH8,RH9,RH10 8.93, 57.13, 60.25
Event added to database
Thu Sep 26 11:38:45 2013
Event last processed
Thu Sep 26 12:29:46 2013
Method selected
RH08
Propagation delay to Earth [minutes]
84.502 ± 11.475

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -361.3 ± 2.6 -380.5 ± 5.4
Vy GSE [km/s] -15.3 ± 3.6 -39.9 ± 3.0
Vz GSE [km/s] -13.2 ± 3.2 12.8 ± 4.4
Wi [km/s] 24.9 ± 1.6 39.7 ± 5.1
We [km/s] 786.8 ± 52.0 1255.4 ± 160.3
Ni [n/cc] 1.1 ± 0.1 2.9 ± 0.3
Bx GSE [nT] 3.1 ± 0.1 5.2 ± 0.2
By GSE [nT] -1.2 ± 0.1 -2.9 ± 0.1
Bz GSE [nT] -0.4 ± 0.1 0.1 ± 0.2
Plasma Beta
0.136 ± 0.130
0.290 ± 0.242
Sound Speed [km/s]
32.12 ± 2.12
51.25 ± 6.54
Alfven Speed [km/s]
68.25 ± 3.87
75.66 ± 4.94

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.570 ± 0.140 -0.442 ± 0.135 0.693 ± 0.552 43.87 ± 12.18 217.78 ± 10.04
VC -0.473 ± 0.107 -0.614 ± 0.087 0.632 ± 0.530 39.21 ± 3.85 232.36 ± 9.67
MX1 -0.581 ± 0.072 -0.529 ± 0.077 0.619 ± 0.524 38.23 ± 3.78 222.35 ± 7.07
MX2 -0.581 ± 0.072 -0.531 ± 0.076 0.617 ± 0.523 38.08 ± 3.72 222.42 ± 7.06
MX3 -0.582 ± 0.072 -0.533 ± 0.076 0.614 ± 0.522 37.90 ± 3.68 222.51 ± 7.04
RH08 -0.441 ± 0.016 -0.724 ± 0.022 -0.531 ± 0.474 -32.05 ± 2.72 238.66 ± 0.76
RH09 -0.660 ± 0.053 -0.651 ± 0.053 0.374 ± 0.356 21.98 ± 4.01 224.62 ± 4.34
RH10 -0.660 ± 0.053 -0.651 ± 0.053 0.374 ± 0.356 21.98 ± 4.01 224.62 ± 4.34
Average -0.568 -0.584 0.424 26.149 225.667
Median -0.581 -0.533 0.617 38.076 224.624
Deviation 0.078 0.091 0.404 24.880 6.651

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 63.4 ± 2.5 267.8 ± 1.1 2.54 ± 0.32
VC 73.2 ± 2.5 238.8 ± 1.0 2.54 ± 0.32
MX1 65.3 ± 2.5 275.5 ± 1.1 2.54 ± 0.32
MX2 65.3 ± 2.5 275.8 ± 1.1 2.54 ± 0.32
MX3 65.4 ± 2.5 276.0 ± 1.1 2.54 ± 0.32
RH08 85.2 ± 1.2 197.3 ± 0.7 2.54 ± 0.32
RH09 65.3 ± 2.3 306.5 ± 1.0 2.54 ± 0.32
RH10 65.3 ± 2.3 306.5 ± 6.0 2.54 ± 0.32
Average 68.5 268.0 2.54
Median 65.3 275.8 2.54
Deviation 7.3 35.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 64.4 ± 4.7 13.2 ± 0.7 30.6 ± 1.7 74.3 ± 3.0 4.89 ± 0.39 0.87 ± 0.08
VC 66.8 ± 4.8 8.4 ± 0.4 19.7 ± 1.1 75.0 ± 3.0 7.94 ± 0.64 0.89 ± 0.09
MX1 65.8 ± 4.8 12.3 ± 0.6 28.5 ± 1.6 74.5 ± 3.0 5.37 ± 0.43 0.89 ± 0.09
MX2 65.8 ± 4.8 12.3 ± 0.6 28.5 ± 1.6 74.5 ± 3.0 5.38 ± 0.43 0.89 ± 0.09
MX3 65.9 ± 4.8 12.2 ± 0.6 28.4 ± 1.6 74.5 ± 3.0 5.39 ± 0.43 0.89 ± 0.09
RH8 20.0 ± 2.2 2.4 ± 0.1 5.7 ± 0.3 75.5 ± 3.0 8.24 ± 1.01 0.27 ± 0.03
RH9 63.1 ± 4.6 12.3 ± 0.6 28.5 ± 1.6 74.5 ± 3.0 5.14 ± 0.42 0.85 ± 0.08
RH10 63.1 ± 4.6 12.3 ± 0.6 28.5 ± 1.6 74.5 ± 3.0 5.14 ± 0.42 0.85 ± 0.08
Average 59.4 10.7 24.8 74.7 5.9 0.8
Median 65.8 12.3 28.5 74.5 5.4 0.9
Deviation 16.0 3.6 8.4 0.4 1.3 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 24.5 ± 5.1 19.3 ± 1.3 33.9 ± 2.2 89.6 ± 1.2 1.29 ± 0.34 0.27 ± 0.06
VC 26.2 ± 4.1 12.3 ± 0.8 21.9 ± 1.4 90.8 ± 1.2 2.16 ± 0.47 0.29 ± 0.04
MX1 25.6 ± 4.7 17.9 ± 1.2 31.6 ± 2.1 89.9 ± 1.2 1.45 ± 0.35 0.28 ± 0.05
MX2 25.6 ± 4.7 17.9 ± 1.2 31.6 ± 2.1 89.9 ± 1.2 1.45 ± 0.35 0.28 ± 0.05
MX3 25.6 ± 4.7 17.9 ± 1.2 31.5 ± 2.1 89.9 ± 1.2 1.45 ± 0.35 0.28 ± 0.05
RH8 7.5 ± 2.3 3.5 ± 0.2 6.3 ± 0.4 91.6 ± 1.2 2.13 ± 0.67 0.08 ± 0.03
RH9 24.6 ± 4.0 17.9 ± 1.2 31.6 ± 2.1 89.9 ± 1.2 1.39 ± 0.31 0.27 ± 0.04
RH10 24.6 ± 4.0 17.9 ± 1.2 31.6 ± 2.1 89.9 ± 1.2 1.39 ± 0.31 0.27 ± 0.04
Average 23.0 15.6 27.5 90.2 1.6 0.3
Median 25.6 17.9 31.6 89.9 1.4 0.3
Deviation 6.3 5.3 9.3 0.7 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)

   
 

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