CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20130760521
Observation time: 03/17/2013 76.22325 0521 [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 2013
Fractional day of year 76.223247
Arrival time of shock [seconds of day] 19288.5 ± 110.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 231.312
Y GSE location of spacecraft [Re] 95.030
Z GSE location of spacecraft [Re] 5.688
Upstream plasma points selected for analysis 0007
Upstream field points selected for analysis 0265
Downstream plasma points selected for analysis 0006
Downstream field points selected for analysis 0189
Minimum chisq/dof for RH8,RH9,RH10 5.63, 14.60, 15.64
Event added to database
Tue Oct 8 15:10:18 2013
Event last processed
Tue Oct 8 16:49:37 2013
Method selected
RH08
Propagation delay to Earth [minutes]
32.995 ± 0.477

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -425.5 ± 2.5 -636.2 ± 23.1
Vy GSE [km/s] -22.1 ± 6.0 -53.7 ± 24.0
Vz GSE [km/s] 10.9 ± 9.3 43.2 ± 29.3
Wi [km/s] 34.6 ± 2.8 111.0 ± 29.2
We [km/s] 1094.6 ± 89.1 3511.3 ± 922.9
Ni [n/cc] 3.3 ± 0.2 9.4 ± 2.1
Bx GSE [nT] -3.4 ± 0.4 -1.9 ± 1.3
By GSE [nT] 1.5 ± 0.6 6.4 ± 4.9
Bz GSE [nT] -0.6 ± 0.9 1.6 ± 3.5
Plasma Beta
0.564 ± 0.488
24.276 ± 6.157
Sound Speed [km/s]
44.69 ± 3.64
143.35 ± 37.68
Alfven Speed [km/s]
47.09 ± 4.87
54.66 ± 34.60

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.877 ± 0.196 0.480 ± 0.357 -0.015 ± 0.015 -0.87 ± 21.68 151.29 ± 23.31
VC -0.980 ± 0.022 -0.141 ± 0.101 0.141 ± 0.140 8.09 ± 6.93 188.21 ± 5.91
MX1 -0.987 ± 0.083 -0.104 ± 0.642 0.125 ± 0.124 7.18 ± 22.62 186.01 ± 37.27
MX2 -0.926 ± 0.152 0.312 ± 0.399 0.212 ± 0.209 12.23 ± 20.25 161.41 ± 24.62
MX3 -0.967 ± 0.100 0.018 ± 0.294 0.254 ± 0.248 14.71 ± 22.46 178.91 ± 17.42
RH08 -0.992 ± 0.002 -0.113 ± 0.014 0.061 ± 0.061 3.52 ± 0.84 186.52 ± 0.82
RH09 -0.993 ± 0.008 -0.113 ± 0.068 0.028 ± 0.028 1.60 ± 4.06 186.52 ± 3.91
RH10 -0.993 ± 0.008 -0.113 ± 0.068 0.028 ± 0.028 1.60 ± 4.06 186.52 ± 3.91
Average -0.964 0.028 0.104 6.007 178.173
Median -0.980 -0.104 0.125 7.175 186.518
Deviation 0.042 0.236 0.095 5.509 14.017

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 13.1 ± 10.9 628.1 ± 9.3 2.87 ± 0.71
VC 38.3 ± 6.1 769.2 ± 9.7 2.87 ± 0.71
MX1 36.1 ± 6.1 768.7 ± 9.8 2.87 ± 0.71
MX2 23.7 ± 11.4 702.1 ± 9.6 2.87 ± 0.71
MX3 34.8 ± 7.9 757.3 ± 9.8 2.87 ± 0.71
RH08 35.1 ± 5.8 766.6 ± 9.8 2.87 ± 0.71
RH09 34.5 ± 5.7 765.2 ± 9.8 2.87 ± 0.71
RH10 34.5 ± 5.7 765.2 ± 62.6 2.87 ± 0.71
Average 31.2 740.3 2.87
Median 34.8 765.2 2.87
Deviation 8.5 50.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 265.7 ± 1.2 39.5 ± 2.4 45.9 ± 4.7 51.7 ± 3.3 6.75 ± 0.43 5.16 ± 0.36
VC 347.6 ± 3.1 28.0 ± 1.7 36.9 ± 3.8 58.7 ± 3.6 12.45 ± 0.71 5.94 ± 0.36
MX1 345.2 ± 2.9 29.1 ± 1.8 38.0 ± 3.9 58.2 ± 3.6 11.90 ± 0.68 5.95 ± 0.36
MX2 312.5 ± 2.5 35.0 ± 2.1 43.1 ± 4.5 54.8 ± 3.4 8.96 ± 0.57 5.72 ± 0.38
MX3 343.5 ± 2.9 29.7 ± 1.8 38.7 ± 4.0 57.9 ± 3.6 11.58 ± 0.69 5.96 ± 0.37
RH8 341.5 ± 3.0 29.6 ± 1.8 38.5 ± 4.0 57.9 ± 3.6 11.57 ± 0.65 5.91 ± 0.36
RH9 339.8 ± 3.1 29.9 ± 1.8 38.8 ± 4.0 57.8 ± 3.6 11.39 ± 0.64 5.90 ± 0.36
RH10 339.8 ± 3.1 29.9 ± 1.8 38.8 ± 4.0 57.8 ± 3.6 11.39 ± 0.64 5.90 ± 0.36
Average 329.4 31.3 39.9 56.8 10.7 5.8
Median 341.5 29.9 38.8 57.9 11.6 5.9
Deviation 28.0 3.9 3.0 2.4 1.9 0.3

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 96.6 ± 17.6 48.1 ± 25.3 53.2 ± 33.7 149.0 ± 28.1 3.07 ± 2.66 0.67 ± 0.18
VC 132.1 ± 27.4 36.9 ± 18.5 42.9 ± 27.1 153.6 ± 24.1 5.42 ± 5.04 0.89 ± 0.29
MX1 130.0 ± 26.7 38.1 ± 19.2 44.2 ± 28.0 153.2 ± 24.4 5.17 ± 4.80 0.88 ± 0.28
MX2 120.4 ± 23.0 44.3 ± 22.9 50.1 ± 31.7 150.8 ± 26.4 4.09 ± 3.57 0.83 ± 0.26
MX3 132.1 ± 27.6 38.8 ± 19.6 44.9 ± 28.4 152.9 ± 24.6 5.11 ± 4.62 0.90 ± 0.30
RH8 127.0 ± 25.6 38.7 ± 19.5 44.7 ± 28.3 153.0 ± 24.6 5.00 ± 4.68 0.86 ± 0.27
RH9 126.1 ± 24.9 39.0 ± 19.7 45.1 ± 28.5 152.9 ± 24.7 4.93 ± 4.63 0.85 ± 0.27
RH10 126.1 ± 24.9 39.0 ± 19.7 45.1 ± 28.5 152.9 ± 24.7 4.93 ± 4.63 0.85 ± 0.27
Average 123.8 40.4 46.3 152.3 4.7 0.8
Median 127.0 39.0 45.1 152.9 5.0 0.9
Deviation 11.6 3.8 3.5 1.6 0.8 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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