CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20010860200
Observation time: 03/27/2001 86.08398 0200 [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 2001
Fractional day of year 86.083976
Arrival time of shock [seconds of day] 7255.5 ± 6.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] -4.067
Y GSE location of spacecraft [Re] -231.635
Z GSE location of spacecraft [Re] 4.370
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0300
Downstream plasma points selected for analysis 0008
Downstream field points selected for analysis 0267
Minimum chisq/dof for RH8,RH9,RH10 18.06, 22.42, 29.22
Event added to database
Mon Feb 14 11:12:59 2005
Event last processed
Mon Mar 30 20:36:55 2009
Method selected
RH08
Propagation delay to Earth [minutes]
-21.118 ± 7.464

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -351.0 ± 8.6 -428.1 ± 4.1
Vy GSE [km/s] 11.1 ± 8.9 -0.9 ± 6.8
Vz GSE [km/s] 7.1 ± 8.0 -67.2 ± 3.6
Wi [km/s] 35.2 ± 5.2 43.0 ± 3.0
We [km/s] 1112.3 ± 163.8 1359.1 ± 95.1
Ni [n/cc] 6.7 ± 0.7 18.9 ± 2.1
Bx GSE [nT] 0.4 ± 1.7 7.1 ± 1.0
By GSE [nT] -1.4 ± 1.9 -9.3 ± 1.8
Bz GSE [nT] 0.3 ± 1.5 -3.3 ± 1.6
Plasma Beta
2.390 ± 3.057
0.501 ± 0.434
Sound Speed [km/s]
45.41 ± 6.69
55.48 ± 3.88
Alfven Speed [km/s]
26.11 ± 7.33
62.16 ± 5.38

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.897 ± 0.311 -0.085 ± 0.842 -0.434 ± 0.404 -25.70 ± 39.86 185.39 ± 53.76
VC -0.718 ± 0.061 -0.110 ± 0.097 -0.687 ± 0.550 -43.38 ± 5.00 188.73 ± 7.72
MX1 -0.625 ± 0.125 -0.204 ± 0.136 -0.754 ± 0.561 -48.91 ± 9.37 198.08 ± 11.95
MX2 -0.646 ± 0.078 -0.229 ± 0.118 -0.728 ± 0.559 -46.76 ± 5.51 199.49 ± 10.28
MX3 -0.642 ± 0.076 -0.223 ± 0.116 -0.733 ± 0.560 -47.17 ± 5.41 199.14 ± 10.14
RH08 -0.548 ± 0.014 -0.311 ± 0.012 -0.777 ± 0.560 -50.94 ± 1.09 209.58 ± 0.97
RH09 0.082 ± 0.067 0.429 ± 0.064 -0.899 ± 0.489 -64.08 ± 4.06 79.22 ± 8.80
RH10 0.169 ± 0.069 0.471 ± 0.061 -0.866 ± 0.524 -59.99 ± 3.96 70.19 ± 8.01
Average -0.478 -0.033 -0.735 -48.366 166.228
Median -0.625 -0.110 -0.733 -47.172 198.082
Deviation 0.387 0.306 0.141 11.538 57.009

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 84.8 ± 37.7 468.6 ± 16.8 2.81 ± 0.19
VC 87.0 ± 33.5 413.8 ± 16.1 2.81 ± 0.19
MX1 89.4 ± 32.6 377.3 ± 15.7 2.81 ± 0.19
MX2 88.9 ± 32.6 384.2 ± 15.9 2.81 ± 0.19
MX3 89.0 ± 32.6 383.2 ± 15.9 2.81 ± 0.19
RH08 85.6 ± 32.9 344.7 ± 15.4 2.81 ± 0.19
RH09 78.1 ± 23.5 58.1 ± 9.9 2.81 ± 0.19
RH10 77.5 ± 22.5 12.4 ± 9.8 2.81 ± 0.19
Average 85.0 305.3 2.81
Median 87.0 383.2 2.81
Deviation 4.7 170.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 157.8 ± 8.0 2.0 ± 0.3 2.4 ± 0.7 53.0 ± 3.9 83.25 ± 18.90 3.00 ± 0.36
VC 167.7 ± 7.9 1.1 ± 0.2 1.4 ± 0.4 53.1 ± 3.9 152.29 ± 34.13 3.18 ± 0.35
MX1 165.7 ± 8.0 0.2 ± 0.0 0.3 ± 0.1 53.1 ± 3.9 729.43 ± 162.95 3.14 ± 0.34
MX2 165.3 ± 8.0 0.4 ± 0.1 0.5 ± 0.1 53.1 ± 3.9 396.86 ± 88.72 3.13 ± 0.34
MX3 165.5 ± 8.0 0.4 ± 0.1 0.5 ± 0.1 53.1 ± 3.9 450.18 ± 100.61 3.14 ± 0.34
RH8 161.4 ± 8.2 1.7 ± 0.3 2.0 ± 0.6 53.0 ± 3.9 99.36 ± 22.17 3.06 ± 0.32
RH9 88.5 ± 7.0 4.5 ± 0.8 5.4 ± 1.5 52.9 ± 3.9 20.40 ± 4.77 1.68 ± 0.17
RH10 72.9 ± 7.0 4.7 ± 0.8 5.6 ± 1.6 52.9 ± 3.9 16.01 ± 3.86 1.38 ± 0.15
Average 143.1 1.9 2.3 53.0 243.5 2.7
Median 165.3 1.7 2.0 53.1 152.3 3.1
Deviation 38.9 1.8 2.1 0.1 256.0 0.7

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 55.3 ± 2.8 3.7 ± 0.1 5.6 ± 0.5 83.4 ± 2.1 14.91 ± 0.79 0.66 ± 0.04
VC 59.9 ± 1.8 2.2 ± 0.1 3.3 ± 0.3 83.5 ± 2.1 27.82 ± 1.02 0.72 ± 0.03
MX1 59.0 ± 1.9 0.4 ± 0.0 0.7 ± 0.1 83.5 ± 2.1 132.82 ± 5.33 0.71 ± 0.03
MX2 58.5 ± 2.1 0.8 ± 0.0 1.2 ± 0.1 83.5 ± 2.1 71.89 ± 3.09 0.70 ± 0.03
MX3 58.7 ± 2.0 0.7 ± 0.0 1.1 ± 0.1 83.5 ± 2.1 81.72 ± 3.46 0.70 ± 0.03
RH8 57.6 ± 2.2 3.2 ± 0.1 4.8 ± 0.4 83.5 ± 2.1 18.15 ± 0.85 0.69 ± 0.03
RH9 33.0 ± 5.9 8.5 ± 0.2 12.8 ± 1.1 83.1 ± 2.1 3.88 ± 0.71 0.40 ± 0.07
RH10 27.2 ± 6.4 8.9 ± 0.2 13.4 ± 1.2 83.1 ± 2.1 3.04 ± 0.72 0.33 ± 0.08
Average 51.2 3.6 5.4 83.4 44.3 0.6
Median 58.5 3.2 4.8 83.5 27.8 0.7
Deviation 13.2 3.4 5.1 0.2 46.5 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 Fri Jun 13 11:06:02 2014
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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