CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20140581550
Observation time: 02/27/2014 58.65988 1550 [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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Simple methods
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Individual equations
Shock speed
Theta Bn
Mach numbers


General Information (About, Top)

Year 2014
Fractional day of year 58.659878
Arrival time of shock [seconds of day] 57013.5 ± 20.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 219.166
Y GSE location of spacecraft [Re] 99.616
Z GSE location of spacecraft [Re] -0.544
Upstream plasma points selected for analysis 0009
Upstream field points selected for analysis 0269
Downstream plasma points selected for analysis 0003
Downstream field points selected for analysis 0104
Minimum chisq/dof for RH8,RH9,RH10 29.69, 95.87, 134.13
Event added to database
Wed Jun 11 01:39:51 2014
Event last processed
Wed Jun 11 03:05:49 2014
Method selected
RH08
Propagation delay to Earth [minutes]
53.880 ± 1.716

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -349.2 ± 0.7 -413.4 ± 4.1
Vy GSE [km/s] -22.8 ± 1.0 -74.0 ± 0.7
Vz GSE [km/s] 4.0 ± 1.1 -8.0 ± 0.9
Wi [km/s] 22.8 ± 0.4 36.3 ± 0.9
We [km/s] 721.6 ± 12.3 1147.0 ± 30.0
Ni [n/cc] 17.0 ± 0.9 42.3 ± 1.1
Bx GSE [nT] 4.1 ± 0.3 8.5 ± 0.7
By GSE [nT] -3.7 ± 0.4 -11.8 ± 0.4
Bz GSE [nT] -1.7 ± 0.4 2.1 ± 2.2
Plasma Beta
0.558 ± 0.574
0.535 ± 0.507
Sound Speed [km/s]
29.46 ± 0.50
46.83 ± 1.23
Alfven Speed [km/s]
30.63 ± 1.21
49.72 ± 1.90

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.570 ± 0.121 0.093 ± 0.186 0.816 ± 0.552 54.73 ± 8.34 170.72 ± 18.56
VC -0.773 ± 0.020 -0.618 ± 0.025 -0.145 ± 0.144 -8.32 ± 0.91 218.62 ± 1.86
MX1 -0.850 ± 0.030 -0.518 ± 0.049 -0.097 ± 0.096 -5.55 ± 1.88 211.38 ± 3.33
MX2 -0.829 ± 0.021 -0.537 ± 0.033 -0.156 ± 0.154 -8.96 ± 0.95 212.96 ± 2.25
MX3 -0.820 ± 0.019 -0.543 ± 0.028 -0.178 ± 0.176 -10.25 ± 1.26 213.52 ± 1.97
RH08 -0.881 ± 0.007 -0.441 ± 0.013 -0.173 ± 0.171 -9.97 ± 0.54 206.57 ± 0.84
RH09 -0.253 ± 0.066 -0.356 ± 0.062 -0.899 ± 0.489 -64.08 ± 3.69 234.65 ± 9.22
RH10 -0.627 ± 0.055 -0.061 ± 0.070 0.777 ± 0.560 50.94 ± 4.02 185.52 ± 6.38
Average -0.700 -0.373 -0.007 -0.183 206.742
Median -0.773 -0.441 -0.145 -8.325 212.963
Deviation 0.212 0.255 0.560 37.952 19.908

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 45.1 ± 5.7 238.1 ± 0.7 2.47 ± 0.14
VC 84.0 ± 4.1 421.8 ± 1.1 2.47 ± 0.14
MX1 76.4 ± 4.1 445.8 ± 1.1 2.47 ± 0.14
MX2 79.0 ± 3.9 439.1 ± 1.1 2.47 ± 0.14
MX3 79.9 ± 3.8 436.2 ± 1.1 2.47 ± 0.14
RH08 73.5 ± 3.7 453.3 ± 1.1 2.47 ± 0.14
RH09 71.4 ± 1.7 169.4 ± 0.5 2.47 ± 0.14
RH10 50.5 ± 6.0 281.6 ± 3.8 2.47 ± 0.14
Average 70.0 360.7 2.47
Median 76.4 436.2 2.47
Deviation 14.3 112.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 38.0 ± 1.3 16.2 ± 0.3 21.6 ± 0.9 39.3 ± 0.9 2.35 ± 0.10 0.97 ± 0.04
VC 138.4 ± 0.9 2.2 ± 0.0 3.2 ± 0.1 42.4 ± 0.9 62.73 ± 1.22 3.26 ± 0.07
MX1 137.6 ± 0.8 5.0 ± 0.1 7.2 ± 0.3 42.2 ± 0.9 27.32 ± 0.54 3.26 ± 0.07
MX2 138.0 ± 0.8 4.1 ± 0.1 5.9 ± 0.2 42.3 ± 0.9 33.90 ± 0.66 3.26 ± 0.07
MX3 138.0 ± 0.8 3.7 ± 0.1 5.3 ± 0.2 42.3 ± 0.9 37.11 ± 0.71 3.26 ± 0.07
RH8 136.3 ± 0.8 6.1 ± 0.1 8.7 ± 0.3 42.1 ± 0.9 22.36 ± 0.43 3.24 ± 0.07
RH9 76.6 ± 1.1 6.9 ± 0.1 9.8 ± 0.4 41.9 ± 0.9 11.15 ± 0.20 1.83 ± 0.04
RH10 58.1 ± 1.2 14.3 ± 0.3 19.5 ± 0.8 40.0 ± 0.9 4.06 ± 0.14 1.45 ± 0.05
Average 107.6 7.3 10.1 41.6 25.1 2.6
Median 137.6 6.1 8.7 42.2 27.3 3.3
Deviation 42.7 5.1 6.8 1.2 20.0 1.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 16.0 ± 2.3 26.0 ± 0.4 35.1 ± 1.3 63.2 ± 1.2 0.61 ± 0.08 0.25 ± 0.03
VC 55.4 ± 2.8 3.5 ± 0.1 5.2 ± 0.2 68.2 ± 1.2 15.63 ± 0.67 0.81 ± 0.03
MX1 55.4 ± 3.2 8.1 ± 0.1 11.7 ± 0.4 67.8 ± 1.2 6.84 ± 0.34 0.82 ± 0.04
MX2 55.4 ± 3.1 6.5 ± 0.1 9.5 ± 0.4 68.0 ± 1.2 8.47 ± 0.40 0.81 ± 0.04
MX3 55.4 ± 3.1 6.0 ± 0.1 8.7 ± 0.3 68.1 ± 1.2 9.27 ± 0.44 0.81 ± 0.04
RH8 55.1 ± 3.4 9.8 ± 0.2 14.1 ± 0.5 67.6 ± 1.2 5.63 ± 0.30 0.81 ± 0.04
RH9 31.3 ± 1.2 11.0 ± 0.2 15.9 ± 0.6 67.4 ± 1.2 2.84 ± 0.12 0.46 ± 0.02
RH10 24.1 ± 2.4 23.0 ± 0.4 31.6 ± 1.2 64.3 ± 1.2 1.05 ± 0.09 0.37 ± 0.03
Average 43.5 11.7 16.5 66.8 6.3 0.6
Median 55.4 9.8 14.1 67.8 6.8 0.8
Deviation 16.8 8.2 11.0 1.9 5.0 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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