CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20072522217
Observation time: 09/09/2007 252.92849 2217 [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 2007
Fractional day of year 252.928490
Arrival time of shock [seconds of day] 80221.5 ± 40.0
Shock type NN
Electron data availability 0
X GSE location of spacecraft [Re] 202.312
Y GSE location of spacecraft [Re] -47.952
Z GSE location of spacecraft [Re] -17.950
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0198
Downstream plasma points selected for analysis 0009
Downstream field points selected for analysis 0268
Minimum chisq/dof for RH8,RH9,RH10 0.45, 0.46, 0.48
Event added to database
Mon Sep 23 12:30:21 2013
Event last processed
Tue Oct 8 16:22:52 2013
Method selected
RH08
Propagation delay to Earth [minutes]
98.697 ± 42.127

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -310.7 ± 3.1 -340.1 ± 1.3
Vy GSE [km/s] 3.6 ± 1.0 -0.8 ± 1.5
Vz GSE [km/s] -10.3 ± 1.5 -22.7 ± 1.1
Wi [km/s] 20.6 ± 0.9 19.4 ± 1.0
We [km/s] 650.9 ± 27.0 614.8 ± 32.7
Ni [n/cc] 6.7 ± 0.5 6.5 ± 0.1
Bx GSE [nT] -2.3 ± 0.4 2.6 ± 0.2
By GSE [nT] 0.8 ± 0.3 1.4 ± 0.1
Bz GSE [nT] -1.1 ± 0.1 0.8 ± 0.1
Plasma Beta
0.849 ± 1.004
0.563 ± 0.506
Sound Speed [km/s]
26.57 ± 1.10
25.10 ± 1.33
Alfven Speed [km/s]
22.95 ± 2.80
26.15 ± 1.34

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.634 ± 1.003 0.766 ± 0.831 -0.107 ± 0.107 -6.16 ± 10.74 129.64 ± 75.03
VC 0.914 ± 0.018 0.139 ± 0.051 0.382 ± 0.362 22.47 ± 2.43 8.63 ± 3.17
MX1 -0.197 ± 0.615 0.973 ± 0.125 -0.123 ± 0.122 -7.06 ± 4.15 101.46 ± 36.24
MX2 0.856 ± 0.764 0.516 ± 1.267 -0.032 ± 0.032 -1.81 ± 17.84 31.10 ± 84.81
MX3 -0.849 ± 0.326 0.169 ± 1.103 0.500 ± 0.454 30.01 ± 28.16 168.75 ± 74.31
RH08 -0.366 ± 0.003 0.191 ± 0.006 0.911 ± 0.473 65.59 ± 0.00 152.42 ± 1.00
RH09 -0.366 ± 0.016 0.191 ± 0.024 0.911 ± 0.473 65.59 ± 0.75 152.42 ± 3.60
RH10 -0.366 ± 0.015 0.191 ± 0.023 0.911 ± 0.473 65.59 ± 0.67 152.42 ± 3.55
Average -0.126 0.392 0.419 29.278 112.106
Median -0.366 0.191 0.500 30.014 152.423
Deviation 0.655 0.322 0.464 32.832 60.682

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 35.5 ± 6.1 115.7 ± 1262.9 0.97 ± 0.07
VC 25.3 ± 8.0 -114.1 ± 2227.6 0.97 ± 0.07
MX1 59.6 ± 7.7 53.1 ± 334.3 0.97 ± 0.07
MX2 55.0 ± 8.2 -119.7 ± 1844.4 0.97 ± 0.07
MX3 54.9 ± 3.9 170.7 ± 1328.7 0.97 ± 0.07
RH08 89.9 ± 2.5 113.5 ± 10.8 0.97 ± 0.07
RH09 89.9 ± 2.5 113.5 ± 10.8 0.97 ± 0.07
RH10 89.9 ± 2.5 113.5 ± 78.7 0.97 ± 0.07
Average 62.5 55.8 0.97
Median 59.6 113.5 0.97
Deviation 25.3 111.1 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -85.2 ± 1.5 15.7 ± 1.0 18.7 ± 2.3 31.5 ± 0.8 -5.46 ± 0.45 -2.71 ± 0.11
VC 173.2 ± 3.3 18.2 ± 1.3 20.7 ± 2.5 30.1 ± 0.7 9.56 ± 0.87 5.75 ± 0.23
MX1 -12.9 ± 0.6 9.0 ± 0.5 11.6 ± 1.4 34.0 ± 1.1 -1.44 ± 0.10 -0.38 ± 0.02
MX2 144.0 ± 3.0 10.4 ± 0.6 13.2 ± 1.6 33.6 ± 1.0 13.96 ± 1.15 4.29 ± 0.22
MX3 -88.6 ± 2.2 10.4 ± 0.6 13.2 ± 1.6 33.6 ± 1.0 -8.57 ± 0.72 -2.64 ± 0.14
RH8 8.4 ± 1.2 0.0 ± 0.0 0.0 ± 0.0 35.2 ± 1.2 371.18 ± 55.77 0.24 ± 0.04
RH9 8.4 ± 1.2 0.0 ± 0.0 0.0 ± 0.0 35.2 ± 1.2 371.18 ± 55.77 0.24 ± 0.04
RH10 8.4 ± 1.2 0.0 ± 0.0 0.0 ± 0.0 35.2 ± 1.2 371.18 ± 55.77 0.24 ± 0.04
Average 19.4 8.0 9.7 33.6 140.2 0.6
Median 8.4 10.4 13.2 34.0 14.0 0.2
Deviation 95.0 7.2 8.5 1.9 191.4 3.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -101.8 ± 2.0 16.5 ± 0.2 21.3 ± 1.1 32.3 ± 0.5 -6.18 ± 0.12 -3.15 ± 0.06
VC 205.4 ± 1.4 19.2 ± 0.3 23.6 ± 1.2 30.8 ± 0.5 10.68 ± 0.17 6.68 ± 0.12
MX1 -15.9 ± 1.7 9.5 ± 0.1 13.2 ± 0.7 35.0 ± 0.6 -1.68 ± 0.17 -0.45 ± 0.05
MX2 171.1 ± 0.6 10.9 ± 0.2 15.0 ± 0.8 34.6 ± 0.5 15.76 ± 0.26 4.94 ± 0.08
MX3 -106.7 ± 0.9 10.9 ± 0.2 15.0 ± 0.8 34.6 ± 0.5 -9.80 ± 0.14 -3.08 ± 0.04
RH8 9.7 ± 0.6 0.0 ± 0.0 0.0 ± 0.0 36.3 ± 0.6 408.68 ± 30.75 0.27 ± 0.02
RH9 9.7 ± 0.6 0.0 ± 0.0 0.0 ± 0.0 36.3 ± 0.6 408.68 ± 30.75 0.27 ± 0.02
RH10 9.7 ± 0.6 0.0 ± 0.0 0.0 ± 0.0 36.3 ± 0.6 408.68 ± 30.75 0.27 ± 0.02
Average 22.6 8.4 11.0 34.5 154.4 0.7
Median 9.7 10.9 15.0 35.0 15.8 0.3
Deviation 113.2 7.6 9.7 2.0 210.8 3.5

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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