CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20151751307
Observation time: 06/24/2015 175.54668 1307 [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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Selected
Simple methods
Rankine
Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2015
Fractional day of year 175.546684
Arrival time of shock [seconds of day] 47233.5 ± 30.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 202.582
Y GSE location of spacecraft [Re] -27.716
Z GSE location of spacecraft [Re] -11.696
Upstream plasma points selected for analysis 0005
Upstream field points selected for analysis 0152
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0216
Minimum chisq/dof for RH8,RH9,RH10 10.40, 12.94, 15.96
Event added to database
Thu Jan 28 17:04:37 2016
Event last processed
Tue May 17 17:06:44 2016
Method selected
RH08
Propagation delay to Earth [minutes]
14.742 ± 6.416

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -592.2 ± 16.2 -685.6 ± 24.0
Vy GSE [km/s] -33.3 ± 5.5 -94.8 ± 15.7
Vz GSE [km/s] -33.3 ± 21.5 -99.8 ± 45.3
Wi [km/s] 29.8 ± 2.7 49.2 ± 8.5
We [km/s] 941.3 ± 85.4 1556.7 ± 268.6
Ni [n/cc] 1.0 ± 0.1 1.9 ± 0.3
Bx GSE [nT] -3.3 ± 1.1 -7.0 ± 1.5
By GSE [nT] 4.4 ± 0.2 7.6 ± 1.2
Bz GSE [nT] -0.2 ± 0.9 0.7 ± 1.8
Plasma Beta
0.058 ± 0.059
0.088 ± 0.081
Sound Speed [km/s]
38.43 ± 3.49
63.55 ± 10.96
Alfven Speed [km/s]
124.06 ± 5.23
170.26 ± 12.67

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.767 ± 0.594 -0.641 ± 0.711 -0.029 ± 0.029 -1.68 ± 44.30 219.86 ± 53.06
VC -0.719 ± 0.169 -0.483 ± 0.147 -0.499 ± 0.453 -29.95 ± 21.13 213.91 ± 8.43
MX1 -0.753 ± 0.258 -0.443 ± 0.353 -0.486 ± 0.444 -29.11 ± 22.35 210.47 ± 25.83
MX2 -0.739 ± 0.233 -0.484 ± 0.294 -0.468 ± 0.431 -27.93 ± 21.32 213.25 ± 21.57
MX3 -0.739 ± 0.225 -0.497 ± 0.273 -0.456 ± 0.421 -27.12 ± 22.02 213.93 ± 19.82
RH08 -0.499 ± 0.037 -0.307 ± 0.034 -0.810 ± 0.554 -54.10 ± 2.77 211.59 ± 3.14
RH09 -0.401 ± 0.064 -0.175 ± 0.069 -0.899 ± 0.489 -64.08 ± 4.01 203.57 ± 9.22
RH10 -0.491 ± 0.061 -0.257 ± 0.068 -0.832 ± 0.545 -56.35 ± 4.03 207.58 ± 7.28
Average -0.638 -0.411 -0.560 -36.290 211.770
Median -0.719 -0.443 -0.486 -29.109 213.250
Deviation 0.148 0.152 0.283 20.478 4.834

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 86.4 ± 10.5 733.6 ± 26.5 1.93 ± 0.56
VC 87.0 ± 5.6 747.9 ± 20.9 1.93 ± 0.56
MX1 84.0 ± 5.8 767.0 ± 21.2 1.93 ± 0.56
MX2 86.4 ± 6.0 761.5 ± 21.5 1.93 ± 0.56
MX3 87.0 ± 6.1 762.2 ± 21.6 1.93 ± 0.56
RH08 85.5 ± 3.3 591.7 ± 15.5 1.93 ± 0.56
RH09 82.6 ± 4.5 525.2 ± 14.4 1.93 ± 0.56
RH10 83.4 ± 3.5 586.7 ± 74.3 1.93 ± 0.56
Average 85.3 684.5 1.93
Median 86.4 747.9 1.93
Deviation 1.7 99.1 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 256.9 ± 11.2 2.3 ± 0.2 7.8 ± 0.3 129.9 ± 5.8 111.30 ± 10.72 1.98 ± 0.13
VC 289.4 ± 12.5 2.0 ± 0.2 6.6 ± 0.3 129.9 ± 5.8 149.41 ± 17.65 2.23 ± 0.19
MX1 290.2 ± 12.7 3.8 ± 0.3 12.9 ± 0.5 129.8 ± 5.8 76.48 ± 9.01 2.24 ± 0.19
MX2 292.2 ± 12.3 2.3 ± 0.2 7.8 ± 0.3 129.9 ± 5.8 128.13 ± 14.91 2.26 ± 0.18
MX3 293.2 ± 12.1 1.9 ± 0.2 6.5 ± 0.3 129.9 ± 5.8 154.44 ± 17.84 2.26 ± 0.18
RH8 258.8 ± 16.6 2.9 ± 0.2 9.7 ± 0.4 129.9 ± 5.8 90.81 ± 12.90 2.00 ± 0.21
RH9 252.2 ± 18.4 4.8 ± 0.4 16.1 ± 0.7 129.8 ± 5.8 53.51 ± 8.06 1.95 ± 0.22
RH10 259.6 ± 17.1 4.2 ± 0.4 14.2 ± 0.6 129.8 ± 5.8 62.38 ± 8.96 2.01 ± 0.21
Average 274.0 3.0 10.2 129.9 103.3 2.1
Median 289.4 2.9 9.7 129.9 111.3 2.2
Deviation 18.5 1.1 3.7 0.0 38.6 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 143.9 ± 25.4 3.7 ± 0.5 10.8 ± 0.8 182.0 ± 11.2 38.45 ± 4.49 0.79 ± 0.14
VC 159.3 ± 16.8 3.1 ± 0.5 9.1 ± 0.7 182.0 ± 11.2 51.40 ± 8.87 0.88 ± 0.12
MX1 160.2 ± 16.4 6.2 ± 0.9 17.7 ± 1.3 182.0 ± 11.2 26.38 ± 4.43 0.88 ± 0.12
MX2 162.2 ± 16.5 3.7 ± 0.5 10.7 ± 0.8 182.0 ± 11.2 44.43 ± 7.26 0.90 ± 0.12
MX3 163.3 ± 16.5 3.1 ± 0.5 8.9 ± 0.7 182.0 ± 11.2 53.71 ± 8.60 0.90 ± 0.12
RH8 139.3 ± 27.3 4.6 ± 0.7 13.3 ± 1.0 182.0 ± 11.2 30.93 ± 9.15 0.77 ± 0.19
RH9 144.1 ± 32.9 7.7 ± 1.1 22.1 ± 1.6 181.9 ± 11.2 19.43 ± 6.46 0.80 ± 0.22
RH10 142.5 ± 28.4 6.8 ± 1.0 19.5 ± 1.4 181.9 ± 11.2 21.68 ± 6.53 0.79 ± 0.20
Average 151.8 4.9 14.0 182.0 35.8 0.8
Median 159.3 4.6 13.3 182.0 38.4 0.9
Deviation 10.2 1.8 5.1 0.1 13.2 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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