CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20233491052
Observation time: 12/15/2023 349.45280 1052 [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 2023
Fractional day of year 349.452795
Arrival time of shock [seconds of day] 39121.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 244.725
Y GSE location of spacecraft [Re] 76.457
Z GSE location of spacecraft [Re] 9.674
Upstream plasma points selected for analysis 0004
Upstream field points selected for analysis 0181
Downstream plasma points selected for analysis 0004
Downstream field points selected for analysis 0201
Minimum chisq/dof for RH8,RH9,RH10 4.41, 39.15, 46.52
Event added to database
Wed Aug 28 16:22:03 2024
Event last processed
Wed Aug 28 21:13:05 2024
Method selected
RH08
Propagation delay to Earth [minutes]
58.640 ± 4.384

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -290.3 ± 1.7 -395.0 ± 4.1
Vy GSE [km/s] 5.2 ± 2.1 -18.3 ± 10.6
Vz GSE [km/s] -5.8 ± 0.6 44.8 ± 3.1
Wi [km/s] 24.4 ± 1.2 36.0 ± 2.4
We [km/s] 770.5 ± 39.0 1137.1 ± 74.6
Ni [n/cc] 5.0 ± 0.4 19.2 ± 0.3
Bx GSE [nT] -2.4 ± 0.1 -5.7 ± 0.2
By GSE [nT] -0.7 ± 0.3 0.4 ± 2.5
Bz GSE [nT] -2.2 ± 0.2 -12.0 ± 0.8
Plasma Beta
0.554 ± 0.576
0.292 ± 0.297
Sound Speed [km/s]
31.45 ± 1.59
46.42 ± 3.05
Alfven Speed [km/s]
32.76 ± 0.73
66.92 ± 3.35

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.849 ± 0.165 -0.507 ± 0.274 0.150 ± 0.149 8.63 ± 8.30 210.88 ± 18.47
VC -0.883 ± 0.020 -0.198 ± 0.084 0.425 ± 0.397 25.15 ± 1.02 192.66 ± 5.43
MX1 -0.936 ± 0.022 -0.219 ± 0.081 0.275 ± 0.268 15.94 ± 2.50 193.15 ± 4.96
MX2 -0.940 ± 0.017 -0.186 ± 0.067 0.286 ± 0.278 16.59 ± 2.19 191.22 ± 4.05
MX3 -0.941 ± 0.016 -0.177 ± 0.063 0.288 ± 0.280 16.77 ± 2.13 190.68 ± 3.84
RH08 -0.942 ± 0.009 -0.192 ± 0.030 0.274 ± 0.267 15.89 ± 1.37 191.53 ± 1.82
RH09 -0.720 ± 0.049 -0.686 ± 0.051 0.106 ± 0.106 6.09 ± 4.02 223.62 ± 4.03
RH10 -0.944 ± 0.023 0.280 ± 0.068 0.173 ± 0.171 9.97 ± 4.03 163.45 ± 4.10
Average -0.894 -0.236 0.247 14.379 194.649
Median -0.936 -0.192 0.275 15.942 192.661
Deviation 0.079 0.281 0.101 6.006 17.400

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 52.1 ± 3.2 388.5 ± 1.4 3.84 ± 0.35
VC 67.1 ± 3.7 414.1 ± 1.6 3.84 ± 0.35
MX1 57.9 ± 3.7 428.2 ± 1.5 3.84 ± 0.35
MX2 58.6 ± 3.8 429.6 ± 1.5 3.84 ± 0.35
MX3 58.9 ± 3.8 429.7 ± 1.5 3.84 ± 0.35
RH08 57.9 ± 3.8 430.1 ± 1.5 3.84 ± 0.35
RH09 53.8 ± 3.1 337.2 ± 1.8 3.84 ± 0.35
RH10 60.2 ± 4.6 413.7 ± 9.4 3.84 ± 0.35
Average 58.3 408.9 3.84
Median 58.6 428.2 3.84
Deviation 4.5 32.3 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 145.6 ± 2.3 14.7 ± 0.5 20.1 ± 0.4 43.0 ± 1.4 9.90 ± 0.47 3.39 ± 0.15
VC 161.2 ± 1.6 9.0 ± 0.3 12.8 ± 0.3 44.5 ± 1.4 17.90 ± 0.73 3.62 ± 0.14
MX1 159.1 ± 1.8 12.5 ± 0.4 17.4 ± 0.4 43.7 ± 1.4 12.69 ± 0.54 3.65 ± 0.15
MX2 159.3 ± 1.7 12.3 ± 0.4 17.0 ± 0.4 43.7 ± 1.4 13.01 ± 0.54 3.64 ± 0.15
MX3 159.1 ± 1.7 12.2 ± 0.4 16.9 ± 0.4 43.8 ± 1.4 13.09 ± 0.55 3.64 ± 0.15
RH8 159.1 ± 1.8 12.5 ± 0.4 17.4 ± 0.4 43.7 ± 1.4 12.71 ± 0.53 3.65 ± 0.15
RH9 132.4 ± 2.5 14.1 ± 0.5 19.3 ± 0.4 43.2 ± 1.4 9.41 ± 0.47 3.07 ± 0.15
RH10 139.2 ± 1.1 11.7 ± 0.4 16.3 ± 0.4 43.9 ± 1.4 11.94 ± 0.44 3.17 ± 0.11
Average 151.9 12.4 17.2 43.7 12.6 3.5
Median 159.1 12.5 17.4 43.7 12.7 3.6
Deviation 11.2 1.7 2.2 0.5 2.6 0.2

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 37.3 ± 3.2 24.5 ± 1.2 41.1 ± 2.1 77.7 ± 3.0 1.52 ± 0.07 0.48 ± 0.03
VC 42.6 ± 3.4 15.1 ± 0.7 26.1 ± 1.3 80.1 ± 3.0 2.82 ± 0.20 0.53 ± 0.05
MX1 42.1 ± 3.0 21.0 ± 1.0 35.6 ± 1.8 78.8 ± 3.0 2.01 ± 0.12 0.53 ± 0.05
MX2 42.0 ± 3.2 20.5 ± 1.0 34.8 ± 1.7 78.9 ± 3.0 2.05 ± 0.14 0.53 ± 0.05
MX3 41.9 ± 3.3 20.3 ± 1.0 34.6 ± 1.7 78.9 ± 3.0 2.06 ± 0.15 0.53 ± 0.05
RH8 42.1 ± 3.2 20.9 ± 1.0 35.5 ± 1.8 78.8 ± 3.0 2.01 ± 0.14 0.54 ± 0.05
RH9 35.6 ± 5.0 23.5 ± 1.1 39.5 ± 2.0 78.0 ± 3.0 1.51 ± 0.16 0.45 ± 0.05
RH10 38.1 ± 6.9 19.5 ± 0.9 33.3 ± 1.7 79.1 ± 3.0 1.96 ± 0.37 0.48 ± 0.10
Average 40.2 20.7 35.1 78.8 2.0 0.5
Median 42.0 20.9 35.5 78.9 2.0 0.5
Deviation 2.8 2.8 4.5 0.7 0.4 0.0

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 Aug 28 21:49:15 2024
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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