CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20013231815
Observation time: 11/19/2001 323.76078 1815 [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 323.760781
Arrival time of shock [seconds of day] 65731.5 ± 9.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] -0.201
Y GSE location of spacecraft [Re] -72.361
Z GSE location of spacecraft [Re] 5.740
Upstream plasma points selected for analysis 0010
Upstream field points selected for analysis 0301
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0289
Minimum chisq/dof for RH8,RH9,RH10 3.11, 10.62, 10.95
Event added to database
Mon Feb 14 11:16:28 2005
Event last processed
Mon Mar 30 22:05:23 2009
Method selected
RH08
Propagation delay to Earth [minutes]
1.036 ± 0.190

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -424.7 ± 5.8 -546.1 ± 8.0
Vy GSE [km/s] 11.8 ± 5.2 -4.5 ± 4.8
Vz GSE [km/s] -5.6 ± 5.2 -33.9 ± 10.5
Wi [km/s] 41.8 ± 4.1 76.2 ± 4.0
We [km/s] 1322.3 ± 129.1 2409.8 ± 126.9
Ni [n/cc] 3.3 ± 0.4 8.0 ± 0.3
Bx GSE [nT] -4.1 ± 0.2 -4.0 ± 0.8
By GSE [nT] 3.8 ± 0.4 11.6 ± 0.9
Bz GSE [nT] 0.7 ± 0.9 3.5 ± 1.7
Plasma Beta
0.373 ± 0.377
0.592 ± 0.587
Sound Speed [km/s]
53.98 ± 5.27
98.38 ± 5.18
Alfven Speed [km/s]
69.02 ± 2.50
99.59 ± 3.33

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.984 ± 0.041 0.129 ± 0.143 -0.127 ± 0.126 -7.28 ± 16.41 172.55 ± 8.32
VC -0.965 ± 0.023 -0.131 ± 0.057 -0.226 ± 0.222 -13.07 ± 5.42 187.70 ± 3.36
MX1 -0.985 ± 0.017 0.080 ± 0.058 -0.150 ± 0.149 -8.63 ± 6.12 175.36 ± 3.36
MX2 -0.984 ± 0.015 0.074 ± 0.053 -0.160 ± 0.158 -9.18 ± 5.12 175.71 ± 3.07
MX3 -0.984 ± 0.015 0.071 ± 0.052 -0.166 ± 0.164 -9.54 ± 5.12 175.85 ± 3.04
RH08 -0.987 ± 0.002 0.078 ± 0.012 -0.140 ± 0.139 -8.03 ± 0.67 175.49 ± 0.71
RH09 -0.982 ± 0.013 0.165 ± 0.068 -0.095 ± 0.095 -5.45 ± 4.02 170.47 ± 3.99
RH10 -0.978 ± 0.015 0.182 ± 0.069 -0.106 ± 0.106 -6.09 ± 4.02 169.47 ± 4.03
Average -0.981 0.081 -0.146 -8.408 175.325
Median -0.984 0.080 -0.140 -8.028 175.487
Deviation 0.007 0.096 0.041 2.366 5.596

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 38.5 ± 4.0 625.5 ± 16.1 2.59 ± 0.27
VC 54.1 ± 4.1 623.7 ± 16.6 2.59 ± 0.27
MX1 41.5 ± 4.1 629.1 ± 16.2 2.59 ± 0.27
MX2 42.0 ± 4.1 628.9 ± 16.2 2.59 ± 0.27
MX3 42.3 ± 4.1 628.9 ± 16.2 2.59 ± 0.27
RH08 41.4 ± 4.0 629.6 ± 16.3 2.59 ± 0.27
RH09 36.0 ± 3.9 622.5 ± 16.0 2.59 ± 0.27
RH10 35.3 ± 4.0 620.1 ± 15.9 2.59 ± 0.27
Average 41.4 626.0 2.59
Median 41.5 628.9 2.59
Deviation 5.8 3.6 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 205.5 ± 6.1 36.5 ± 2.4 54.0 ± 2.0 79.8 ± 2.7 5.67 ± 0.50 2.58 ± 0.15
VC 214.0 ± 5.1 26.0 ± 1.6 40.4 ± 1.5 83.8 ± 3.0 8.28 ± 0.65 2.56 ± 0.14
MX1 208.8 ± 6.0 34.5 ± 2.2 51.7 ± 1.9 80.7 ± 2.8 6.08 ± 0.52 2.59 ± 0.15
MX2 209.0 ± 5.9 34.2 ± 2.2 51.3 ± 1.9 80.8 ± 2.8 6.14 ± 0.53 2.59 ± 0.15
MX3 209.3 ± 5.9 34.0 ± 2.2 51.1 ± 1.9 80.9 ± 2.8 6.18 ± 0.53 2.59 ± 0.15
RH8 208.6 ± 6.0 34.6 ± 2.2 51.8 ± 1.9 80.6 ± 2.8 6.06 ± 0.52 2.59 ± 0.15
RH9 203.1 ± 6.3 38.0 ± 2.5 55.8 ± 2.0 79.1 ± 2.7 5.37 ± 0.48 2.57 ± 0.15
RH10 202.2 ± 6.3 38.5 ± 2.6 56.3 ± 2.0 78.8 ± 2.7 5.28 ± 0.48 2.57 ± 0.15
Average 207.6 34.5 51.6 80.6 6.1 2.6
Median 208.8 34.6 51.8 80.7 6.1 2.6
Deviation 3.8 3.9 4.9 1.5 0.9 0.0

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 84.6 ± 7.4 60.6 ± 0.8 77.9 ± 2.6 126.3 ± 1.5 1.40 ± 0.13 0.67 ± 0.06
VC 88.3 ± 7.2 43.0 ± 0.6 58.3 ± 2.0 133.3 ± 1.6 2.06 ± 0.18 0.66 ± 0.06
MX1 86.2 ± 7.4 57.3 ± 0.8 74.6 ± 2.5 127.8 ± 1.5 1.51 ± 0.14 0.67 ± 0.06
MX2 86.3 ± 7.3 56.8 ± 0.8 74.0 ± 2.5 128.1 ± 1.5 1.52 ± 0.14 0.67 ± 0.06
MX3 86.4 ± 7.3 56.5 ± 0.8 73.7 ± 2.5 128.2 ± 1.5 1.53 ± 0.14 0.67 ± 0.06
RH8 86.1 ± 7.4 57.4 ± 0.8 74.7 ± 2.5 127.8 ± 1.5 1.50 ± 0.14 0.67 ± 0.06
RH9 83.9 ± 7.4 63.3 ± 0.9 80.6 ± 2.7 125.0 ± 1.5 1.33 ± 0.13 0.67 ± 0.06
RH10 83.5 ± 7.4 64.1 ± 0.9 81.3 ± 2.7 124.6 ± 1.5 1.30 ± 0.12 0.67 ± 0.06
Average 85.7 57.4 74.4 127.6 1.5 0.7
Median 86.2 57.4 74.7 127.8 1.5 0.7
Deviation 1.6 6.5 7.1 2.7 0.2 0.0

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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