CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20150070539
Observation time: 01/07/2015 7.23550 0539 [UT]

Wind spacecraft

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Asymptotic parameters
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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 2015
Fractional day of year 7.235503
Arrival time of shock [seconds of day] 20347.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 193.922
Y GSE location of spacecraft [Re] 5.779
Z GSE location of spacecraft [Re] -14.730
Upstream plasma points selected for analysis 0003
Upstream field points selected for analysis 0108
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0128
Minimum chisq/dof for RH8,RH9,RH10 22.67, 54.50, 95.53
Event added to database
Fri Apr 17 10:53:29 2015
Event last processed
Tue May 17 16:27:04 2016
Method selected
RH08
Propagation delay to Earth [minutes]
35.694 ± 2.855

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -434.8 ± 5.8 -478.6 ± 3.2
Vy GSE [km/s] 0.4 ± 5.9 5.4 ± 5.6
Vz GSE [km/s] 3.9 ± 1.5 -4.9 ± 5.1
Wi [km/s] 26.9 ± 2.3 32.6 ± 1.7
We [km/s] 852.1 ± 72.0 1030.4 ± 54.4
Ni [n/cc] 9.8 ± 0.1 14.4 ± 1.2
Bx GSE [nT] -0.2 ± 0.4 -1.6 ± 0.3
By GSE [nT] -0.3 ± 0.7 0.3 ± 0.7
Bz GSE [nT] 8.1 ± 0.0 14.2 ± 0.3
Plasma Beta
0.227 ± 0.246
0.156 ± 0.162
Sound Speed [km/s]
34.78 ± 2.94
42.07 ± 2.22
Alfven Speed [km/s]
56.70 ± 0.32
82.64 ± 4.77

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.928 ± 0.202 0.269 ± 0.692 -0.257 ± 0.251 -14.88 ± 5.01 163.83 ± 42.71
VC -0.977 ± 0.025 0.094 ± 0.150 -0.193 ± 0.191 -11.15 ± 5.99 174.48 ± 8.77
MX1 -0.965 ± 0.025 0.102 ± 0.153 -0.243 ± 0.238 -14.06 ± 4.47 173.96 ± 9.08
MX2 -0.966 ± 0.024 0.096 ± 0.146 -0.242 ± 0.237 -14.01 ± 4.40 174.34 ± 8.67
MX3 -0.966 ± 0.022 0.088 ± 0.138 -0.241 ± 0.236 -13.95 ± 4.32 174.80 ± 8.20
RH08 -0.428 ± 0.041 -0.904 ± 0.020 -0.017 ± 0.017 -0.96 ± 1.01 244.68 ± 2.62
RH09 -0.619 ± 0.054 -0.782 ± 0.043 -0.073 ± 0.072 -4.16 ± 3.99 231.64 ± 3.96
RH10 -0.619 ± 0.054 -0.782 ± 0.043 -0.073 ± 0.072 -4.16 ± 4.03 231.64 ± 3.95
Average -0.808 -0.227 -0.167 -9.668 196.171
Median -0.928 0.094 -0.193 -11.154 174.798
Deviation 0.218 0.498 0.097 5.635 33.409

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 76.0 ± 4.1 554.9 ± 10.9 1.49 ± 0.13
VC 80.2 ± 3.3 575.9 ± 10.1 1.49 ± 0.13
MX1 77.3 ± 3.4 570.7 ± 10.3 1.49 ± 0.13
MX2 77.3 ± 3.3 571.0 ± 10.3 1.49 ± 0.13
MX3 77.4 ± 3.3 571.3 ± 10.2 1.49 ± 0.13
RH08 88.3 ± 2.9 233.6 ± 2.9 1.49 ± 0.13
RH09 88.5 ± 1.9 343.3 ± 3.1 1.49 ± 0.13
RH10 88.5 ± 1.9 343.3 ± 10.4 1.49 ± 0.13
Average 81.7 470.5 1.49
Median 80.2 570.7 1.49
Deviation 5.7 139.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 152.2 ± 6.6 7.2 ± 0.5 13.7 ± 0.1 66.2 ± 1.7 21.20 ± 1.05 2.30 ± 0.08
VC 152.0 ± 6.0 5.1 ± 0.3 9.7 ± 0.1 66.4 ± 1.7 30.10 ± 1.49 2.29 ± 0.07
MX1 152.2 ± 5.9 6.6 ± 0.4 12.5 ± 0.1 66.2 ± 1.7 23.27 ± 1.16 2.30 ± 0.07
MX2 152.1 ± 5.9 6.5 ± 0.4 12.4 ± 0.1 66.2 ± 1.7 23.36 ± 1.16 2.30 ± 0.07
MX3 152.0 ± 5.8 6.5 ± 0.4 12.4 ± 0.1 66.2 ± 1.7 23.48 ± 1.17 2.30 ± 0.07
RH8 48.1 ± 2.8 0.9 ± 0.1 1.6 ± 0.0 66.5 ± 1.8 56.61 ± 6.51 0.72 ± 0.06
RH9 74.7 ± 1.1 0.8 ± 0.0 1.5 ± 0.0 66.5 ± 1.8 96.12 ± 7.41 1.12 ± 0.04
RH10 74.7 ± 1.1 0.8 ± 0.0 1.5 ± 0.0 66.5 ± 1.8 96.12 ± 7.41 1.12 ± 0.04
Average 119.8 4.3 8.2 66.4 46.3 1.8
Median 152.0 6.5 12.4 66.4 30.1 2.3
Deviation 45.4 2.9 5.6 0.2 32.8 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 108.0 ± 5.4 9.1 ± 0.5 20.0 ± 1.2 92.3 ± 5.1 11.92 ± 1.22 1.18 ± 0.13
VC 107.1 ± 4.5 6.4 ± 0.3 14.1 ± 0.8 92.5 ± 5.1 16.79 ± 1.56 1.16 ± 0.12
MX1 107.3 ± 4.7 8.3 ± 0.4 18.2 ± 1.1 92.4 ± 5.1 12.99 ± 1.23 1.17 ± 0.12
MX2 107.2 ± 4.7 8.2 ± 0.4 18.1 ± 1.0 92.4 ± 5.1 13.04 ± 1.24 1.17 ± 0.12
MX3 107.1 ± 4.6 8.2 ± 0.4 18.0 ± 1.0 92.4 ± 5.1 13.11 ± 1.24 1.16 ± 0.12
RH8 33.7 ± 4.0 1.1 ± 0.1 2.4 ± 0.1 92.7 ± 5.1 31.18 ± 2.46 0.36 ± 0.03
RH9 50.9 ± 2.8 1.0 ± 0.1 2.2 ± 0.1 92.7 ± 5.1 51.59 ± 2.03 0.55 ± 0.02
RH10 50.9 ± 2.8 1.0 ± 0.1 2.2 ± 0.1 92.7 ± 5.1 51.59 ± 2.03 0.55 ± 0.02
Average 84.0 5.4 11.9 92.5 25.3 0.9
Median 107.1 8.2 18.0 92.5 16.8 1.2
Deviation 32.6 3.7 8.2 0.2 17.4 0.4

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 Wed Jan 22 21:47:00 2020
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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