CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20152971801
Observation time: 10/24/2015 297.75135 1801 [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 2015
Fractional day of year 297.751351
Arrival time of shock [seconds of day] 64916.8 ± 90.0
Shock type NN
Electron data availability 0
X GSE location of spacecraft [Re] 244.885
Y GSE location of spacecraft [Re] -73.296
Z GSE location of spacecraft [Re] 15.544
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0260
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0248
Minimum chisq/dof for RH8,RH9,RH10 5.78, 11.06, 11.51
Event added to database
Mon Feb 1 15:58:17 2016
Event last processed
Tue May 17 17:18:00 2016
Method selected
RH08
Propagation delay to Earth [minutes]
54.921 ± 0.408

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -417.1 ± 14.0 -460.2 ± 8.5
Vy GSE [km/s] 5.2 ± 16.9 77.8 ± 13.4
Vz GSE [km/s] -7.5 ± 6.1 -19.6 ± 6.4
Wi [km/s] 37.3 ± 0.9 82.2 ± 6.4
We [km/s] 1180.9 ± 28.3 2600.6 ± 202.9
Ni [n/cc] 5.9 ± 0.5 16.8 ± 1.5
Bx GSE [nT] 0.3 ± 2.4 3.0 ± 2.9
By GSE [nT] -3.5 ± 2.5 -4.3 ± 2.3
Bz GSE [nT] -0.5 ± 1.0 -1.1 ± 1.5
Plasma Beta
0.728 ± 0.737
6.811 ± 4.645
Sound Speed [km/s]
48.21 ± 1.16
106.17 ± 8.28
Alfven Speed [km/s]
43.96 ± 2.01
34.00 ± 6.88

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.880 ± 0.413 0.445 ± 0.812 0.166 ± 0.164 9.56 ± 16.78 153.15 ± 52.84
VC -0.524 ± 0.233 0.840 ± 0.146 -0.139 ± 0.138 -8.01 ± 5.70 121.98 ± 15.86
MX1 -0.849 ± 0.380 0.519 ± 0.620 -0.101 ± 0.101 -5.80 ± 15.36 148.54 ± 41.87
MX2 -0.768 ± 0.433 0.604 ± 0.546 -0.214 ± 0.211 -12.36 ± 24.64 141.82 ± 40.55
MX3 -0.677 ± 0.400 0.715 ± 0.379 -0.173 ± 0.171 -9.94 ± 20.28 133.43 ± 31.84
RH08 -0.981 ± 0.008 0.182 ± 0.040 -0.061 ± 0.061 -3.52 ± 1.25 169.47 ± 2.34
RH09 -0.784 ± 0.044 0.604 ± 0.056 -0.140 ± 0.139 -8.03 ± 4.02 142.40 ± 4.07
RH10 -0.795 ± 0.043 0.590 ± 0.057 -0.140 ± 0.139 -8.03 ± 4.02 143.40 ± 4.07
Average -0.782 0.563 -0.100 -5.765 144.271
Median -0.784 0.604 -0.139 -8.011 143.398
Deviation 0.137 0.194 0.117 6.718 13.923

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 64.7 ± 18.4 470.2 ± 1.4 2.90 ± 0.43
VC 50.5 ± 15.4 356.3 ± 2.4 2.90 ± 0.43
MX1 64.4 ± 11.2 470.8 ± 1.4 2.90 ± 0.43
MX2 62.1 ± 7.1 447.4 ± 1.6 2.90 ± 0.43
MX3 57.0 ± 8.4 416.8 ± 2.0 2.90 ± 0.43
RH08 76.3 ± 26.0 496.9 ± 1.2 2.90 ± 0.43
RH09 61.4 ± 7.7 453.5 ± 1.6 2.90 ± 0.43
RH10 62.0 ± 8.1 456.4 ± 12.7 2.90 ± 0.43
Average 62.3 446.0 2.90
Median 62.1 456.4 2.90
Deviation 7.3 42.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 102.2 ± 6.9 14.2 ± 0.3 18.8 ± 0.9 63.7 ± 1.1 7.19 ± 0.42 1.60 ± 0.10
VC 132.2 ± 8.5 21.9 ± 0.5 28.0 ± 1.3 61.5 ± 1.0 6.03 ± 0.36 2.15 ± 0.13
MX1 113.4 ± 4.5 14.4 ± 0.3 19.0 ± 0.9 63.7 ± 1.1 7.89 ± 0.21 1.78 ± 0.06
MX2 122.4 ± 3.8 15.6 ± 0.3 20.6 ± 0.9 63.4 ± 1.1 7.83 ± 0.12 1.93 ± 0.04
MX3 129.3 ± 5.2 18.4 ± 0.4 23.9 ± 1.1 62.6 ± 1.1 7.02 ± 0.22 2.07 ± 0.07
RH8 86.2 ± 10.6 7.7 ± 0.2 10.4 ± 0.5 64.8 ± 1.1 11.17 ± 1.33 1.33 ± 0.16
RH9 122.1 ± 3.8 16.0 ± 0.4 21.0 ± 1.0 63.3 ± 1.1 7.63 ± 0.11 1.93 ± 0.04
RH10 120.7 ± 3.8 15.7 ± 0.3 20.6 ± 0.9 63.4 ± 1.1 7.69 ± 0.11 1.90 ± 0.04
Average 116.1 15.5 20.3 63.3 7.8 1.8
Median 122.1 15.7 20.6 63.4 7.7 1.9
Deviation 15.2 4.0 5.0 1.0 1.5 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 33.9 ± 8.2 13.9 ± 2.6 14.5 ± 2.9 110.8 ± 7.4 2.44 ± 0.39 0.31 ± 0.08
VC 46.9 ± 10.2 20.9 ± 4.0 21.6 ± 4.4 109.7 ± 7.6 2.26 ± 0.34 0.43 ± 0.11
MX1 37.8 ± 7.8 14.0 ± 2.6 14.7 ± 3.0 110.8 ± 7.4 2.71 ± 0.37 0.34 ± 0.08
MX2 42.8 ± 7.8 15.2 ± 2.8 15.9 ± 3.2 110.6 ± 7.4 2.84 ± 0.36 0.39 ± 0.08
MX3 46.1 ± 8.8 17.8 ± 3.3 18.5 ± 3.7 110.2 ± 7.5 2.61 ± 0.34 0.42 ± 0.10
RH8 29.9 ± 7.7 7.6 ± 1.4 8.0 ± 1.6 111.5 ± 7.3 3.94 ± 0.86 0.27 ± 0.07
RH9 42.7 ± 8.1 15.5 ± 2.9 16.3 ± 3.3 110.6 ± 7.4 2.76 ± 0.35 0.39 ± 0.09
RH10 41.8 ± 8.0 15.3 ± 2.9 16.0 ± 3.2 110.6 ± 7.4 2.76 ± 0.35 0.38 ± 0.08
Average 40.3 15.0 15.7 110.6 2.8 0.4
Median 42.7 15.3 16.0 110.6 2.8 0.4
Deviation 5.9 3.8 3.9 0.5 0.5 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 Wed Jan 22 21:47:00 2020
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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