CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20221921558
Observation time: 07/11/2022 192.66595 1558 [UT]

Wind spacecraft

Site
Data tables
Selection
Normals
Parameters
Previous event
Next event
Yearly list
Main page
Help

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


General Information (About, Top)

Year 2022
Fractional day of year 192.665955
Arrival time of shock [seconds of day] 57538.5 ± 30.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 261.161
Y GSE location of spacecraft [Re] 41.582
Z GSE location of spacecraft [Re] 12.614
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0232
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0199
Minimum chisq/dof for RH8,RH9,RH10 4.40, 36.83, 47.83
Event added to database
Fri Aug 12 12:08:11 2022
Event last processed
Thu Sep 8 15:21:19 2022
Method selected
RH10
Propagation delay to Earth [minutes]
63.590 ± 9.551

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -321.5 ± 1.4 -355.9 ± 2.9
Vy GSE [km/s] -27.6 ± 1.3 -49.0 ± 2.9
Vz GSE [km/s] 39.8 ± 3.4 -12.5 ± 3.1
Wi [km/s] 19.2 ± 0.4 33.1 ± 0.9
We [km/s] 605.8 ± 14.1 1048.1 ± 27.1
Ni [n/cc] 11.1 ± 0.6 22.9 ± 1.1
Bx GSE [nT] -3.0 ± 0.2 -6.0 ± 0.2
By GSE [nT] 7.3 ± 0.2 15.7 ± 0.2
Bz GSE [nT] -1.2 ± 0.7 -2.4 ± 0.8
Plasma Beta
0.133 ± 0.132
0.184 ± 0.191
Sound Speed [km/s]
24.73 ± 0.58
42.79 ± 1.11
Alfven Speed [km/s]
52.72 ± 2.13
77.28 ± 2.26

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.824 ± 0.456 -0.456 ± 0.637 -0.335 ± 0.322 -19.59 ± 59.37 208.95 ± 42.67
VC -0.521 ± 0.042 -0.324 ± 0.042 -0.790 ± 0.558 -52.17 ± 3.04 211.93 ± 3.90
MX1 -0.533 ± 0.059 -0.297 ± 0.079 -0.792 ± 0.558 -52.38 ± 3.48 209.15 ± 8.10
MX2 -0.534 ± 0.059 -0.298 ± 0.078 -0.791 ± 0.558 -52.28 ± 3.48 209.12 ± 8.02
MX3 -0.536 ± 0.059 -0.298 ± 0.078 -0.790 ± 0.558 -52.20 ± 3.49 209.09 ± 7.95
RH08 -0.792 ± 0.007 -0.205 ± 0.008 0.575 ± 0.501 35.13 ± 0.66 194.54 ± 0.55
RH09 -0.054 ± 0.060 -0.139 ± 0.045 -0.989 ± 0.212 -81.43 ± 2.39 248.69 ± 24.07
RH10 -0.795 ± 0.043 -0.330 ± 0.067 -0.508 ± 0.459 -30.56 ± 4.02 202.56 ± 4.69
Average -0.574 -0.293 -0.553 -38.184 211.753
Median -0.534 -0.298 -0.790 -52.168 209.116
Deviation 0.250 0.093 0.498 34.725 15.919

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 86.8 ± 2.3 371.5 ± 1.6 2.10 ± 0.12
VC 88.9 ± 4.1 273.1 ± 1.7 2.10 ± 0.12
MX1 87.2 ± 4.1 276.3 ± 1.7 2.10 ± 0.12
MX2 87.2 ± 4.1 276.7 ± 1.7 2.10 ± 0.12
MX3 87.2 ± 4.1 277.1 ± 1.7 2.10 ± 0.12
RH08 88.6 ± 2.9 286.2 ± 0.6 2.10 ± 0.12
RH09 87.6 ± 4.9 90.6 ± 1.4 2.10 ± 0.12
RH10 85.7 ± 2.9 363.0 ± 10.6 2.10 ± 0.12
Average 87.4 276.8 2.10
Median 87.2 277.1 2.10
Deviation 1.0 85.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 107.2 ± 0.9 1.2 ± 0.0 2.9 ± 0.1 58.2 ± 1.7 87.07 ± 1.32 1.84 ± 0.05
VC 128.2 ± 1.9 0.4 ± 0.0 1.0 ± 0.0 58.2 ± 1.7 303.60 ± 4.38 2.20 ± 0.08
MX1 128.2 ± 1.9 1.1 ± 0.0 2.6 ± 0.1 58.2 ± 1.7 117.89 ± 1.69 2.20 ± 0.08
MX2 128.2 ± 1.9 1.1 ± 0.0 2.6 ± 0.1 58.2 ± 1.7 117.76 ± 1.69 2.20 ± 0.08
MX3 128.2 ± 1.9 1.1 ± 0.0 2.6 ± 0.1 58.2 ± 1.7 117.66 ± 1.68 2.20 ± 0.08
RH8 3.1 ± 3.2 0.5 ± 0.0 1.3 ± 0.1 58.2 ± 1.7 5.68 ± 5.84 0.05 ± 0.05
RH9 108.7 ± 3.2 0.9 ± 0.0 2.2 ± 0.1 58.2 ± 1.7 114.62 ± 3.01 1.87 ± 0.09
RH10 118.4 ± 0.9 1.7 ± 0.0 3.9 ± 0.2 58.2 ± 1.7 71.06 ± 0.86 2.03 ± 0.06
Average 106.3 1.0 2.4 58.2 116.9 1.8
Median 128.2 1.1 2.6 58.2 117.7 2.2
Deviation 42.6 0.4 0.9 0.0 84.7 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 51.5 ± 3.7 2.1 ± 0.0 4.3 ± 0.1 88.3 ± 2.2 25.04 ± 2.08 0.58 ± 0.05
VC 62.0 ± 4.0 0.7 ± 0.0 1.5 ± 0.0 88.3 ± 2.2 87.85 ± 6.40 0.70 ± 0.05
MX1 62.0 ± 4.0 1.8 ± 0.0 3.8 ± 0.1 88.3 ± 2.2 34.12 ± 2.49 0.70 ± 0.05
MX2 62.0 ± 4.0 1.8 ± 0.0 3.8 ± 0.1 88.3 ± 2.2 34.08 ± 2.49 0.70 ± 0.05
MX3 62.0 ± 4.0 1.8 ± 0.0 3.8 ± 0.1 88.3 ± 2.2 34.05 ± 2.49 0.70 ± 0.05
RH8 1.6 ± 1.5 0.9 ± 0.0 1.9 ± 0.1 88.3 ± 2.2 1.77 ± 1.69 0.02 ± 0.02
RH9 52.1 ± 3.2 1.6 ± 0.0 3.3 ± 0.1 88.3 ± 2.2 32.86 ± 2.22 0.59 ± 0.04
RH10 57.4 ± 3.9 2.8 ± 0.1 5.8 ± 0.2 88.3 ± 2.2 20.60 ± 1.62 0.65 ± 0.05
Average 51.3 1.7 3.5 88.3 33.8 0.6
Median 62.0 1.8 3.8 88.3 34.0 0.7
Deviation 20.6 0.7 1.3 0.0 24.5 0.2

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 Sep 8 16:15:10 2022
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

Section Photo