CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20100822229
Observation time: 03/23/2010 82.93682 2229 [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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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2010
Fractional day of year 82.936823
Arrival time of shock [seconds of day] 80941.5 ± 20.0
Shock type SF
Electron data availability 0
X GSE location of spacecraft [Re] 206.324
Y GSE location of spacecraft [Re] 85.829
Z GSE location of spacecraft [Re] -8.713
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0227
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0260
Minimum chisq/dof for RH8,RH9,RH10 4.08, 7.95, 8.45
Event added to database
Wed Sep 25 08:31:24 2013
Event last processed
Wed Sep 25 09:37:57 2013
Method selected
RH08
Propagation delay to Earth [minutes]
87.165 ± 21.031

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -282.4 ± 0.7 -290.0 ± 0.3
Vy GSE [km/s] -3.6 ± 1.1 -5.7 ± 1.0
Vz GSE [km/s] -3.4 ± 1.0 -11.5 ± 0.9
Wi [km/s] 13.6 ± 0.2 12.2 ± 0.6
We [km/s] 429.1 ± 7.6 384.9 ± 18.3
Ni [n/cc] 8.2 ± 0.1 6.8 ± 0.2
Bx GSE [nT] -1.8 ± 0.2 -0.2 ± 0.1
By GSE [nT] 0.6 ± 0.3 3.6 ± 0.1
Bz GSE [nT] -1.5 ± 0.3 0.7 ± 0.1
Plasma Beta
0.554 ± 0.509
0.161 ± 0.166
Sound Speed [km/s]
17.52 ± 0.31
15.72 ± 0.75
Alfven Speed [km/s]
18.53 ± 1.66
30.44 ± 0.92

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.632 ± 0.037 0.653 ± 0.036 -0.417 ± 0.391 -24.66 ± 1.94 134.06 ± 3.15
VC -0.685 ± 0.069 -0.182 ± 0.112 -0.706 ± 0.555 -44.90 ± 5.20 194.87 ± 9.23
MX1 -0.641 ± 0.053 0.651 ± 0.053 -0.406 ± 0.382 -23.96 ± 4.10 134.57 ± 4.33
MX2 -0.619 ± 0.050 0.657 ± 0.048 -0.430 ± 0.401 -25.45 ± 3.35 133.31 ± 4.12
MX3 -0.604 ± 0.071 0.662 ± 0.067 -0.443 ± 0.412 -26.30 ± 5.31 132.39 ± 5.64
RH08 -0.696 ± 0.024 -0.168 ± 0.025 0.698 ± 0.553 44.29 ± 2.00 193.54 ± 2.00
RH09 -0.696 ± 0.025 -0.168 ± 0.054 0.698 ± 0.553 44.29 ± 1.83 193.54 ± 4.41
RH10 -0.696 ± 0.026 -0.168 ± 0.058 0.698 ± 0.553 44.29 ± 1.89 193.54 ± 4.74
Average -0.659 0.242 -0.038 -1.548 163.728
Median -0.641 0.651 -0.406 -23.957 193.538
Deviation 0.038 0.442 0.618 38.552 32.232

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 26.2 ± 9.7 143.6 ± 0.7 0.83 ± 0.03
VC 26.9 ± 10.6 139.4 ± 1.8 0.83 ± 0.03
MX1 26.2 ± 10.0 146.3 ± 0.7 0.83 ± 0.03
MX2 26.4 ± 9.4 140.0 ± 0.7 0.83 ± 0.03
MX3 26.7 ± 9.1 135.8 ± 0.7 0.83 ± 0.03
RH08 88.0 ± 3.3 192.8 ± 0.8 0.83 ± 0.03
RH09 88.0 ± 3.3 192.8 ± 0.8 0.83 ± 0.03
RH10 88.0 ± 3.3 192.8 ± 5.7 0.83 ± 0.03
Average 49.6 160.4 0.83
Median 26.9 146.3 0.83
Deviation 31.9 27.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -34.0 ± 0.6 13.3 ± 0.6 16.6 ± 1.5 21.8 ± 0.8 -2.55 ± 0.13 -1.56 ± 0.06
VC -57.0 ± 0.9 13.2 ± 0.6 16.5 ± 1.5 21.8 ± 0.8 -4.32 ± 0.18 -2.61 ± 0.08
MX1 -33.9 ± 0.6 13.3 ± 0.6 16.6 ± 1.5 21.8 ± 0.8 -2.54 ± 0.13 -1.56 ± 0.06
MX2 -34.0 ± 0.6 13.3 ± 0.6 16.6 ± 1.5 21.8 ± 0.8 -2.56 ± 0.13 -1.56 ± 0.06
MX3 -34.0 ± 0.6 13.3 ± 0.6 16.6 ± 1.5 21.8 ± 0.8 -2.57 ± 0.13 -1.56 ± 0.06
RH8 -1.9 ± 0.9 0.4 ± 0.0 0.6 ± 0.1 25.5 ± 0.9 -4.35 ± 2.09 -0.07 ± 0.04
RH9 -1.9 ± 0.9 0.4 ± 0.0 0.6 ± 0.1 25.5 ± 0.9 -4.35 ± 2.09 -0.07 ± 0.04
RH10 -1.9 ± 0.9 0.4 ± 0.0 0.6 ± 0.1 25.5 ± 0.9 -4.35 ± 2.09 -0.07 ± 0.04
Average -24.8 8.5 10.6 23.2 -3.4 -1.1
Median -33.9 13.3 16.6 21.8 -2.6 -1.6
Deviation 20.5 6.7 8.3 1.9 1.0 0.9

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC -40.8 ± 0.3 13.7 ± 0.6 27.3 ± 0.8 31.4 ± 0.8 -2.99 ± 0.14 -1.30 ± 0.03
VC -68.3 ± 0.8 13.6 ± 0.6 27.2 ± 0.8 31.5 ± 0.8 -5.05 ± 0.23 -2.17 ± 0.08
MX1 -40.7 ± 0.4 13.7 ± 0.6 27.3 ± 0.8 31.4 ± 0.8 -2.98 ± 0.14 -1.29 ± 0.03
MX2 -40.8 ± 0.3 13.6 ± 0.6 27.3 ± 0.8 31.4 ± 0.8 -3.00 ± 0.14 -1.30 ± 0.03
MX3 -40.8 ± 0.3 13.6 ± 0.6 27.2 ± 0.8 31.4 ± 0.8 -3.01 ± 0.14 -1.30 ± 0.03
RH8 -2.0 ± 0.5 0.5 ± 0.0 1.0 ± 0.0 34.3 ± 0.7 -4.09 ± 1.13 -0.06 ± 0.01
RH9 -2.0 ± 0.5 0.5 ± 0.0 1.0 ± 0.0 34.3 ± 0.7 -4.09 ± 1.13 -0.06 ± 0.01
RH10 -2.0 ± 0.5 0.5 ± 0.0 1.0 ± 0.0 34.3 ± 0.7 -4.09 ± 1.13 -0.06 ± 0.01
Average -29.7 8.7 17.4 32.5 -3.7 -0.9
Median -40.7 13.6 27.2 31.5 -3.0 -1.3
Deviation 24.8 6.8 13.6 1.5 0.8 0.8

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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