CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Wind Shock Analysis
Event ID: 20010021303
Observation time: 01/02/2001 2.54380 1303 [UT]

Wind spacecraft

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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 2.543802
Arrival time of shock [seconds of day] 46984.5 ± 3.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 4.170
Y GSE location of spacecraft [Re] 251.970
Z GSE location of spacecraft [Re] -17.453
Upstream plasma points selected for analysis 0006
Upstream field points selected for analysis 0190
Downstream plasma points selected for analysis 0005
Downstream field points selected for analysis 0175
Minimum chisq/dof for RH8,RH9,RH10 2.06, 5.22, 5.52
Event added to database
Mon Feb 14 11:11:30 2005
Event last processed
Mon Mar 30 20:15:55 2009
Method selected
MX3
Propagation delay to Earth [minutes]
19.434 ± 10.531

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -269.3 ± 0.2 -283.8 ± 0.6
Vy GSE [km/s] -5.6 ± 1.0 -17.7 ± 0.7
Vz GSE [km/s] -6.8 ± 1.6 8.6 ± 1.3
Wi [km/s] 28.1 ± 0.3 30.3 ± 0.8
We [km/s] 889.7 ± 8.8 957.5 ± 26.0
Ni [n/cc] 9.5 ± 0.3 11.3 ± 0.6
Bx GSE [nT] -1.2 ± 0.1 -1.8 ± 0.2
By GSE [nT] -1.2 ± 1.0 4.5 ± 0.6
Bz GSE [nT] 2.9 ± 0.6 4.0 ± 0.4
Plasma Beta
1.262 ± 1.286
0.551 ± 0.553
Sound Speed [km/s]
36.32 ± 0.36
39.09 ± 1.06
Alfven Speed [km/s]
25.09 ± 1.08
40.88 ± 1.38

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.374 ± 0.079 -0.202 ± 0.083 0.905 ± 0.481 64.85 ± 4.88 208.35 ± 11.49
VC -0.596 ± 0.038 -0.497 ± 0.038 0.631 ± 0.530 39.11 ± 3.43 219.82 ± 2.77
MX1 -0.852 ± 0.414 -0.256 ± 0.433 0.456 ± 0.421 27.13 ± 51.74 196.70 ± 28.00
MX2 -0.620 ± 0.051 -0.203 ± 0.078 0.758 ± 0.561 49.29 ± 3.58 198.15 ± 7.07
MX3 -0.664 ± 0.044 -0.203 ± 0.080 0.720 ± 0.558 46.06 ± 3.08 196.99 ± 6.80
RH08 -0.752 ± 0.008 0.086 ± 0.011 -0.654 ± 0.539 -40.82 ± 0.69 173.48 ± 0.82
RH09 -0.752 ± 0.038 0.086 ± 0.046 -0.654 ± 0.539 -40.82 ± 3.35 173.48 ± 3.47
RH10 -0.752 ± 0.039 0.086 ± 0.049 -0.654 ± 0.539 -40.82 ± 3.44 173.48 ± 3.73
Average -0.670 -0.138 0.189 12.999 192.556
Median -0.664 -0.202 0.631 39.112 196.988
Deviation 0.146 0.209 0.709 45.776 17.535

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 16.9 ± 12.1 242.2 ± 82.8 1.18 ± 0.04
VC 25.5 ± 9.2 327.0 ± 90.6 1.18 ± 0.04
MX1 41.4 ± 3.6 384.4 ± 83.7 1.18 ± 0.04
MX2 25.0 ± 7.1 322.7 ± 87.2 1.18 ± 0.04
MX3 27.3 ± 6.2 335.9 ± 87.2 1.18 ± 0.04
RH08 71.4 ± 4.9 205.1 ± 7.2 1.18 ± 0.04
RH09 71.4 ± 4.9 205.1 ± 7.2 1.18 ± 0.04
RH10 71.4 ± 4.9 205.1 ± 7.2 1.18 ± 0.04
Average 43.8 278.4 1.18
Median 41.4 322.7 1.18
Deviation 23.9 72.0 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 146.5 ± 1.5 23.2 ± 0.9 24.0 ± 1.0 37.5 ± 0.5 6.32 ± 0.25 3.90 ± 0.07
VC 168.0 ± 1.2 21.2 ± 0.8 22.6 ± 1.0 38.7 ± 0.6 7.92 ± 0.30 4.34 ± 0.08
MX1 156.5 ± 0.9 16.7 ± 0.6 18.8 ± 0.8 40.9 ± 0.7 9.37 ± 0.32 3.83 ± 0.07
MX2 159.8 ± 1.3 21.4 ± 0.8 22.7 ± 1.0 38.6 ± 0.6 7.48 ± 0.28 4.14 ± 0.07
MX3 161.0 ± 1.3 20.8 ± 0.7 22.3 ± 1.0 39.0 ± 0.6 7.75 ± 0.28 4.13 ± 0.07
RH8 -1.4 ± 0.9 6.6 ± 0.2 8.0 ± 0.3 43.7 ± 0.8 -0.22 ± 0.14 -0.03 ± 0.02
RH9 -1.4 ± 0.9 6.6 ± 0.2 8.0 ± 0.3 43.7 ± 0.8 -0.22 ± 0.14 -0.03 ± 0.02
RH10 -1.4 ± 0.9 6.6 ± 0.2 8.0 ± 0.3 43.7 ± 0.8 -0.22 ± 0.14 -0.03 ± 0.02
Average 98.4 15.4 16.8 40.7 4.8 2.5
Median 156.5 20.8 22.3 40.9 7.5 3.9
Deviation 82.9 7.5 7.5 2.6 4.2 2.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 124.7 ± 1.4 33.6 ± 0.5 39.1 ± 1.3 45.6 ± 0.8 3.72 ± 0.09 2.74 ± 0.07
VC 143.7 ± 1.2 30.1 ± 0.5 36.9 ± 1.2 47.9 ± 0.8 4.78 ± 0.10 3.00 ± 0.06
MX1 134.1 ± 1.1 23.2 ± 0.4 30.7 ± 1.0 51.6 ± 0.9 5.77 ± 0.12 2.60 ± 0.05
MX2 136.7 ± 1.3 30.3 ± 0.5 37.1 ± 1.3 47.8 ± 0.8 4.51 ± 0.10 2.86 ± 0.06
MX3 137.8 ± 1.3 29.3 ± 0.4 36.3 ± 1.2 48.4 ± 0.8 4.70 ± 0.10 2.85 ± 0.06
RH8 -1.2 ± 0.6 9.1 ± 0.1 13.0 ± 0.4 55.8 ± 0.9 -0.13 ± 0.07 -0.02 ± 0.01
RH9 -1.2 ± 0.6 9.1 ± 0.1 13.0 ± 0.4 55.8 ± 0.9 -0.13 ± 0.07 -0.02 ± 0.01
RH10 -1.2 ± 0.6 9.1 ± 0.1 13.0 ± 0.4 55.8 ± 0.9 -0.13 ± 0.07 -0.02 ± 0.01
Average 84.2 21.7 27.4 51.1 2.9 1.7
Median 134.1 29.3 36.3 51.6 4.5 2.7
Deviation 70.9 10.8 12.1 4.3 2.6 1.5

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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