CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20100750541
Observation time: 03/16/2010 75.23734 0541 [UT]

Wind spacecraft

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Wave speed and Mach numbers
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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2010
Fractional day of year 75.237344
Arrival time of shock [seconds of day] 20506.5 ± 30.0
Shock type NN
Electron data availability 0
X GSE location of spacecraft [Re] 202.143
Y GSE location of spacecraft [Re] 67.966
Z GSE location of spacecraft [Re] -13.850
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0177
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0190
Minimum chisq/dof for RH8,RH9,RH10 0.72, 4.00, 4.21
Event added to database
Wed Sep 25 08:29:40 2013
Event last processed
Wed Sep 25 09:35:33 2013
Method selected
RH08
Propagation delay to Earth [minutes]
73.885 ± 1.149

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -337.0 ± 1.0 -349.0 ± 2.7
Vy GSE [km/s] -41.1 ± 0.5 -34.2 ± 1.5
Vz GSE [km/s] -29.2 ± 0.7 -58.8 ± 3.7
Wi [km/s] 16.2 ± 0.7 18.2 ± 0.5
We [km/s] 512.5 ± 23.5 574.2 ± 15.3
Ni [n/cc] 19.1 ± 0.3 9.1 ± 1.2
Bx GSE [nT] 2.1 ± 0.6 -5.2 ± 0.2
By GSE [nT] -0.9 ± 0.4 2.7 ± 0.2
Bz GSE [nT] -0.7 ± 0.8 -0.2 ± 0.4
Plasma Beta
1.672 ± 1.437
0.186 ± 0.170
Sound Speed [km/s]
20.92 ± 0.96
23.44 ± 0.62
Alfven Speed [km/s]
12.93 ± 1.62
42.92 ± 4.37

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.870 ± 0.552 -0.484 ± 0.978 0.093 ± 0.092 5.32 ± 68.87 209.11 ± 64.30
VC -0.369 ± 0.065 0.212 ± 0.043 -0.905 ± 0.482 -64.79 ± 4.69 150.08 ± 3.55
MX1 -0.793 ± 0.620 0.426 ± 0.633 -0.436 ± 0.406 -25.82 ± 80.80 151.79 ± 40.64
MX2 -0.577 ± 0.769 0.397 ± 0.602 -0.714 ± 0.557 -45.56 ± 71.71 145.45 ± 32.22
MX3 -0.574 ± 0.673 0.498 ± 0.605 -0.650 ± 0.538 -40.57 ± 74.65 139.05 ± 23.89
RH08 -0.457 ± 0.008 -0.885 ± 0.005 -0.084 ± 0.084 -4.81 ± 1.47 242.67 ± 0.53
RH09 -0.443 ± 0.025 -0.896 ± 0.013 -0.039 ± 0.039 -2.24 ± 4.43 243.68 ± 1.60
RH10 -0.443 ± 0.026 -0.896 ± 0.013 -0.039 ± 0.039 -2.24 ± 4.42 243.68 ± 1.64
Average -0.566 -0.203 -0.347 -22.589 190.687
Median -0.457 0.212 -0.084 -4.807 209.112
Deviation 0.179 0.646 0.378 25.539 48.600

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 55.0 ± 4.0 306.5 ± 0.5 0.48 ± 0.06
VC 85.0 ± 23.7 114.8 ± 1.9 0.48 ± 0.06
MX1 46.2 ± 23.8 243.7 ± 1.7 0.48 ± 0.06
MX2 66.5 ± 23.8 173.9 ± 1.9 0.48 ± 0.06
MX3 63.0 ± 23.6 168.2 ± 1.9 0.48 ± 0.06
RH08 87.2 ± 0.5 191.0 ± 0.2 0.48 ± 0.06
RH09 87.2 ± 1.5 186.7 ± 0.2 0.48 ± 0.06
RH10 87.2 ± 1.5 186.7 ± 1.2 0.48 ± 0.06
Average 72.2 196.4 0.48
Median 85.0 186.7 0.48
Deviation 16.6 56.7 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -3.9 ± 1.0 6.5 ± 0.6 7.4 ± 0.9 23.8 ± 0.8 -0.61 ± 0.23 -0.16 ± 0.04
VC -27.4 ± 0.4 1.0 ± 0.1 1.1 ± 0.1 24.6 ± 0.9 -28.71 ± 2.79 -1.11 ± 0.03
MX1 -18.9 ± 0.6 8.0 ± 0.8 9.0 ± 1.1 23.3 ± 0.8 -2.38 ± 0.31 -0.81 ± 0.02
MX2 -25.0 ± 0.4 4.4 ± 0.4 5.2 ± 0.6 24.2 ± 0.9 -5.67 ± 0.60 -1.03 ± 0.02
MX3 -23.7 ± 0.4 5.1 ± 0.5 5.9 ± 0.7 24.1 ± 0.9 -4.70 ± 0.50 -0.98 ± 0.02
RH8 -2.0 ± 0.7 0.5 ± 0.1 0.6 ± 0.1 24.6 ± 0.9 -3.82 ± 1.73 -0.08 ± 0.03
RH9 -0.6 ± 0.7 0.5 ± 0.0 0.6 ± 0.1 24.6 ± 0.9 -1.25 ± 1.53 -0.02 ± 0.03
RH10 -0.6 ± 0.7 0.5 ± 0.0 0.6 ± 0.1 24.6 ± 0.9 -1.25 ± 1.53 -0.02 ± 0.03
Average -12.7 3.3 3.8 24.2 -6.0 -0.5
Median -3.9 4.4 5.2 24.6 -2.4 -0.2
Deviation 12.0 3.1 3.4 0.5 9.3 0.5

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -8.3 ± 1.6 12.1 ± 0.1 24.6 ± 2.5 47.4 ± 3.6 -0.68 ± 0.13 -0.18 ± 0.05
VC -60.0 ± 4.0 1.8 ± 0.0 3.8 ± 0.4 48.9 ± 3.5 -33.35 ± 2.44 -1.23 ± 0.17
MX1 -44.2 ± 3.7 14.9 ± 0.1 29.7 ± 3.0 46.6 ± 3.7 -2.96 ± 0.24 -0.96 ± 0.16
MX2 -55.7 ± 4.0 8.3 ± 0.1 17.1 ± 1.7 48.3 ± 3.6 -6.71 ± 0.51 -1.16 ± 0.17
MX3 -53.2 ± 3.9 9.5 ± 0.1 19.5 ± 2.0 48.0 ± 3.6 -5.61 ± 0.43 -1.12 ± 0.16
RH8 -3.9 ± 0.3 1.0 ± 0.0 2.1 ± 0.2 49.0 ± 3.5 -3.83 ± 0.35 -0.08 ± 0.01
RH9 -0.9 ± 0.4 1.0 ± 0.0 2.1 ± 0.2 49.0 ± 3.5 -0.93 ± 0.36 -0.02 ± 0.01
RH10 -0.9 ± 0.4 1.0 ± 0.0 2.1 ± 0.2 49.0 ± 3.5 -0.93 ± 0.36 -0.02 ± 0.01
Average -28.4 6.2 12.6 48.3 -6.9 -0.6
Median -8.3 8.3 17.1 48.9 -3.0 -0.2
Deviation 27.1 5.7 11.4 0.9 10.9 0.6

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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