CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20152630523
Observation time: 09/20/2015 263.22453 0523 [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
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2015
Fractional day of year 263.224531
Arrival time of shock [seconds of day] 19399.5 ± 40.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 259.255
Y GSE location of spacecraft [Re] 36.689
Z GSE location of spacecraft [Re] 13.792
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0197
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0266
Minimum chisq/dof for RH8,RH9,RH10 12.02, 12.68, 13.16
Event added to database
Fri Jan 29 14:01:58 2016
Event last processed
Tue May 17 17:13:18 2016
Method selected
RH08
Propagation delay to Earth [minutes]
110.504 ± 10.918

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -445.1 ± 10.2 -529.5 ± 7.6
Vy GSE [km/s] 15.5 ± 6.3 35.6 ± 8.9
Vz GSE [km/s] 10.4 ± 25.3 96.0 ± 9.9
Wi [km/s] 55.4 ± 5.0 75.5 ± 11.3
We [km/s] 1750.5 ± 159.0 2387.5 ± 356.7
Ni [n/cc] 6.2 ± 1.8 9.9 ± 1.9
Bx GSE [nT] -1.7 ± 0.6 -12.7 ± 0.9
By GSE [nT] 7.3 ± 0.4 10.3 ± 3.4
Bz GSE [nT] 5.8 ± 0.4 -13.5 ± 2.0
Plasma Beta
0.427 ± 0.480
0.281 ± 0.223
Sound Speed [km/s]
71.47 ± 6.49
97.47 ± 14.56
Alfven Speed [km/s]
87.90 ± 21.84
151.16 ± 17.61

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.361 ± 0.080 0.864 ± 0.054 0.351 ± 0.335 20.52 ± 7.54 112.66 ± 5.19
VC -0.710 ± 0.105 0.162 ± 0.075 0.685 ± 0.550 43.23 ± 8.93 167.13 ± 5.72
MX1 -0.886 ± 0.220 -0.284 ± 0.656 0.367 ± 0.350 21.54 ± 10.56 197.75 ± 42.43
MX2 -0.823 ± 0.047 0.258 ± 0.098 0.507 ± 0.458 30.46 ± 4.24 162.61 ± 6.80
MX3 -0.840 ± 0.036 0.190 ± 0.075 0.509 ± 0.460 30.58 ± 3.66 167.28 ± 5.11
RH08 -0.229 ± 0.034 -0.971 ± 0.008 -0.073 ± 0.072 -4.16 ± 2.00 256.71 ± 2.00
RH09 -0.229 ± 0.022 -0.971 ± 0.005 -0.073 ± 0.072 -4.16 ± 1.02 256.71 ± 1.29
RH10 -0.229 ± 0.030 -0.971 ± 0.007 -0.073 ± 0.072 -4.16 ± 1.38 256.71 ± 1.79
Average -0.538 -0.215 0.275 16.730 197.195
Median -0.361 0.162 0.367 21.539 197.745
Deviation 0.302 0.698 0.305 18.632 54.470

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 19.2 ± 4.5 455.6 ± 32.5 1.98 ± 1.29
VC 48.2 ± 2.4 727.4 ± 55.2 1.98 ± 1.29
MX1 80.7 ± 2.5 715.5 ± 46.4 1.98 ± 1.29
MX2 49.3 ± 2.9 759.5 ± 52.6 1.98 ± 1.29
MX3 52.9 ± 2.8 766.5 ± 53.0 1.98 ± 1.29
RH08 41.3 ± 2.1 62.9 ± 4.5 1.98 ± 1.29
RH09 41.3 ± 2.1 62.9 ± 4.5 1.98 ± 1.29
RH10 41.3 ± 2.1 62.9 ± 30.6 1.98 ± 1.29
Average 46.8 451.6 1.98
Median 48.2 715.5 1.98
Deviation 17.1 336.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 277.9 ± 17.8 62.2 ± 6.8 83.0 ± 20.6 95.0 ± 20.3 4.53 ± 0.67 3.04 ± 0.62
VC 401.6 ± 25.4 39.1 ± 5.0 58.6 ± 14.6 106.7 ± 20.2 10.46 ± 1.67 3.88 ± 0.74
MX1 321.8 ± 16.4 8.9 ± 1.2 14.1 ± 3.5 113.3 ± 20.7 36.92 ± 5.65 2.92 ± 0.52
MX2 384.1 ± 22.6 38.0 ± 4.9 57.3 ± 14.2 107.0 ± 20.2 10.27 ± 1.60 3.70 ± 0.70
MX3 384.5 ± 22.4 34.9 ± 4.5 53.0 ± 13.2 108.1 ± 20.3 11.22 ± 1.75 3.66 ± 0.69
RH8 -23.3 ± 5.7 45.0 ± 5.7 66.0 ± 16.4 104.3 ± 20.1 -0.53 ± 0.16 -0.24 ± 0.08
RH9 -23.3 ± 5.7 45.0 ± 5.7 66.0 ± 16.4 104.3 ± 20.1 -0.53 ± 0.16 -0.24 ± 0.08
RH10 -23.3 ± 5.7 45.0 ± 5.7 66.0 ± 16.4 104.3 ± 20.1 -0.53 ± 0.16 -0.24 ± 0.08
Average 212.5 39.8 58.0 105.4 9.0 2.1
Median 321.8 45.0 66.0 106.7 10.3 3.0
Deviation 199.2 15.0 19.9 5.2 12.4 1.9

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 200.1 ± 8.0 87.2 ± 8.0 142.7 ± 16.6 158.1 ± 12.6 2.31 ± 0.23 1.27 ± 0.09
VC 279.7 ± 5.6 56.5 ± 3.7 100.8 ± 11.7 171.8 ± 10.0 4.97 ± 0.32 1.63 ± 0.09
MX1 221.3 ± 5.3 13.0 ± 0.7 24.3 ± 2.8 180.4 ± 9.3 17.09 ± 0.82 1.23 ± 0.07
MX2 266.1 ± 5.9 55.1 ± 3.6 98.5 ± 11.5 172.3 ± 9.9 4.84 ± 0.29 1.55 ± 0.09
MX3 266.2 ± 5.7 50.6 ± 3.2 91.2 ± 10.6 173.6 ± 9.8 5.28 ± 0.31 1.54 ± 0.08
RH8 -17.0 ± 7.8 64.8 ± 4.5 113.6 ± 13.2 168.8 ± 10.3 -0.26 ± 0.13 -0.10 ± 0.04
RH9 -17.0 ± 7.8 64.8 ± 4.5 113.6 ± 13.2 168.8 ± 10.3 -0.26 ± 0.13 -0.10 ± 0.04
RH10 -17.0 ± 7.8 64.8 ± 4.5 113.6 ± 13.2 168.8 ± 10.3 -0.26 ± 0.13 -0.10 ± 0.04
Average 147.8 57.1 99.8 170.3 4.2 0.9
Median 221.3 64.8 113.6 171.8 4.8 1.3
Deviation 138.9 21.0 34.2 6.3 5.8 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 Wed Jan 22 21:47:00 2020
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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