CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20231582225
Observation time: 06/07/2023 158.93470 2225 [UT]

Wind spacecraft

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Asymptotic parameters
Shock front normals
Key parameters
Wave speed and Mach numbers
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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2023
Fractional day of year 158.934705
Arrival time of shock [seconds of day] 80758.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 236.131
Y GSE location of spacecraft [Re] 97.065
Z GSE location of spacecraft [Re] 6.018
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0304
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0119
Minimum chisq/dof for RH8,RH9,RH10 13.56, 24.05, 39.47
Event added to database
Wed Oct 11 16:43:41 2023
Event last processed
Thu Oct 12 10:34:07 2023
Method selected
RH10
Propagation delay to Earth [minutes]
50.258 ± 5.918

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -326.2 ± 3.1 -360.9 ± 1.4
Vy GSE [km/s] -17.6 ± 1.8 -19.6 ± 1.6
Vz GSE [km/s] -8.1 ± 1.6 22.2 ± 1.2
Wi [km/s] 23.1 ± 1.1 29.2 ± 1.1
We [km/s] 730.5 ± 35.8 922.8 ± 34.4
Ni [n/cc] 5.4 ± 0.4 9.6 ± 0.5
Bx GSE [nT] -1.0 ± 0.6 0.3 ± 0.6
By GSE [nT] 4.9 ± 0.3 8.7 ± 0.1
Bz GSE [nT] 1.3 ± 0.3 1.4 ± 0.3
Plasma Beta
0.227 ± 0.217
0.223 ± 0.214
Sound Speed [km/s]
29.82 ± 1.46
37.68 ± 1.40
Alfven Speed [km/s]
48.80 ± 2.64
61.93 ± 1.55

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.775 ± 0.171 0.330 ± 0.124 0.539 ± 0.479 32.60 ± 19.16 156.91 ± 7.51
VC -0.751 ± 0.033 -0.045 ± 0.047 0.658 ± 0.541 41.18 ± 2.85 183.44 ± 3.62
MX1 -0.720 ± 0.064 0.256 ± 0.091 0.645 ± 0.536 40.15 ± 5.28 160.47 ± 7.09
MX2 -0.702 ± 0.044 0.245 ± 0.084 0.669 ± 0.545 42.00 ± 3.04 160.76 ± 6.82
MX3 -0.682 ± 0.044 0.233 ± 0.079 0.693 ± 0.552 43.87 ± 3.03 161.11 ± 6.59
RH08 -0.703 ± 0.010 0.222 ± 0.008 -0.676 ± 0.547 -42.53 ± 0.90 162.45 ± 0.63
RH09 -0.132 ± 0.044 0.069 ± 0.042 0.989 ± 0.212 81.43 ± 2.56 152.42 ± 15.84
RH10 -0.880 ± 0.033 0.330 ± 0.066 0.341 ± 0.327 19.92 ± 4.02 159.44 ± 4.29
Average -0.668 0.205 0.482 32.328 162.126
Median -0.703 0.245 0.658 41.176 160.761
Deviation 0.225 0.130 0.501 34.918 9.171

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 53.0 ± 4.6 339.1 ± 1.6 1.87 ± 0.23
VC 74.1 ± 3.9 345.8 ± 1.9 1.87 ± 0.23
MX1 56.8 ± 3.8 325.0 ± 1.8 1.87 ± 0.23
MX2 57.3 ± 3.6 319.2 ± 1.8 1.87 ± 0.23
MX3 57.9 ± 3.4 313.2 ± 1.8 1.87 ± 0.23
RH08 80.0 ± 6.2 238.5 ± 0.6 1.87 ± 0.23
RH09 69.9 ± 2.1 112.5 ± 1.6 1.87 ± 0.23
RH10 55.1 ± 5.9 370.0 ± 8.9 1.87 ± 0.23
Average 63.0 295.4 1.87
Median 57.9 325.0 1.87
Deviation 10.1 83.2 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 96.5 ± 2.7 15.9 ± 0.6 29.4 ± 1.6 55.0 ± 2.3 6.07 ± 0.27 1.76 ± 0.07
VC 105.3 ± 2.8 7.0 ± 0.3 13.4 ± 0.7 56.8 ± 2.3 15.04 ± 0.60 1.86 ± 0.06
MX1 99.7 ± 2.6 14.4 ± 0.5 26.7 ± 1.4 55.4 ± 2.3 6.95 ± 0.30 1.80 ± 0.07
MX2 100.1 ± 2.6 14.2 ± 0.5 26.3 ± 1.4 55.4 ± 2.3 7.08 ± 0.30 1.81 ± 0.06
MX3 100.4 ± 2.6 13.9 ± 0.5 25.9 ± 1.4 55.5 ± 2.3 7.23 ± 0.31 1.81 ± 0.06
RH8 7.7 ± 2.1 4.4 ± 0.2 8.5 ± 0.5 57.0 ± 2.3 1.74 ± 0.49 0.14 ± 0.04
RH9 78.7 ± 1.8 8.8 ± 0.3 16.8 ± 0.9 56.5 ± 2.3 8.90 ± 0.33 1.39 ± 0.04
RH10 91.5 ± 2.8 15.1 ± 0.6 27.9 ± 1.5 55.2 ± 2.3 6.07 ± 0.29 1.66 ± 0.07
Average 85.0 11.7 21.9 55.9 7.4 1.5
Median 99.7 14.2 26.3 55.5 7.1 1.8
Deviation 32.3 4.3 7.8 0.8 3.7 0.6

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 53.9 ± 1.7 20.1 ± 0.5 37.3 ± 0.9 69.7 ± 1.0 2.68 ± 0.03 0.77 ± 0.03
VC 59.2 ± 1.2 8.9 ± 0.2 17.0 ± 0.4 72.0 ± 0.9 6.67 ± 0.03 0.82 ± 0.02
MX1 55.8 ± 1.6 18.2 ± 0.4 33.9 ± 0.8 70.2 ± 0.9 3.07 ± 0.03 0.79 ± 0.03
MX2 56.0 ± 1.6 17.9 ± 0.4 33.4 ± 0.8 70.3 ± 0.9 3.13 ± 0.02 0.80 ± 0.03
MX3 56.2 ± 1.6 17.6 ± 0.4 32.9 ± 0.8 70.3 ± 0.9 3.19 ± 0.02 0.80 ± 0.03
RH8 4.3 ± 1.5 5.6 ± 0.1 10.8 ± 0.3 72.3 ± 0.9 0.77 ± 0.26 0.06 ± 0.02
RH9 44.3 ± 1.2 11.2 ± 0.3 21.3 ± 0.5 71.6 ± 0.9 3.95 ± 0.07 0.62 ± 0.02
RH10 51.3 ± 1.8 19.1 ± 0.5 35.5 ± 0.9 70.0 ± 1.0 2.69 ± 0.05 0.73 ± 0.03
Average 47.6 14.8 27.7 70.8 3.3 0.7
Median 55.8 17.9 33.4 70.3 3.1 0.8
Deviation 18.1 5.5 9.9 1.0 1.6 0.3

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 Thu Oct 12 13:23:39 2023
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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