CfA Interplanetary Shock Database - Individual Event Detail
 

Database: Ace Shock Analysis
Event ID: 20002100909
Observation time: 07/28/2000 210.38170 0909 [UT]

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Asymptotic parameters
Shock front normals
Key parameters
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 2000
Fractional day of year 210.381701
Arrival time of shock [seconds of day] 32979.0 ± 16.0
Shock type FF
Electron data availability 0
X GSE location of spacecraft [Re] 0.039
Y GSE location of spacecraft [Re] 0.000
Z GSE location of spacecraft [Re] 0.003
Upstream plasma points selected for analysis 0008
Upstream field points selected for analysis 0030
Downstream plasma points selected for analysis 0007
Downstream field points selected for analysis 0028
Minimum chisq/dof for RH8,RH9,RH10 8.18, 10.67, 11.09
Event added to database
Sat Apr 30 21:47:09 2005
Event last processed
Wed Oct 15 16:43:38 2014
Method selected
RH08
Propagation delay to Earth [minutes]
0.008 ± 0.000

Asymptotic plasma parameters (About, Top)

Parameter
Upstream
Downstream
Vx GSE [km/s] -385.2 ± 2.6 -433.8 ± 8.4
Vy GSE [km/s] 33.4 ± 4.7 12.7 ± 5.9
Vz GSE [km/s] 46.6 ± 6.2 79.8 ± 5.5
Wi [km/s] 35.5 ± 1.3 45.3 ± 2.9
We [km/s] 1123.8 ± 42.0 1433.0 ± 92.8
Ni [n/cc] 19.4 ± 1.3 34.9 ± 2.6
Bx GSE [nT] 8.7 ± 0.6 7.6 ± 1.0
By GSE [nT] 13.8 ± 0.5 19.4 ± 1.3
Bz GSE [nT] 6.1 ± 1.6 15.2 ± 1.5
Plasma Beta
0.169 ± 0.163
0.227 ± 0.235
Sound Speed [km/s]
45.78 ± 1.67
58.55 ± 3.75
Alfven Speed [km/s]
86.36 ± 3.26
95.56 ± 3.74

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]
MC -0.780 ± 0.141 -0.580 ± 0.188 0.236 ± 0.232 13.67 ± 5.96 216.63 ± 13.75
VC -0.781 ± 0.071 -0.334 ± 0.107 0.527 ± 0.472 31.81 ± 6.47 203.16 ± 7.63
MX1 -0.789 ± 0.096 -0.562 ± 0.132 0.247 ± 0.242 14.30 ± 6.49 215.46 ± 9.51
MX2 -0.798 ± 0.089 -0.552 ± 0.125 0.242 ± 0.238 14.03 ± 6.71 214.70 ± 8.91
MX3 -0.809 ± 0.081 -0.538 ± 0.117 0.236 ± 0.232 13.65 ± 7.05 213.63 ± 8.21
RH08 -0.963 ± 0.004 -0.250 ± 0.016 0.106 ± 0.106 6.09 ± 0.70 194.54 ± 0.97
RH09 -0.974 ± 0.016 -0.216 ± 0.067 0.073 ± 0.072 4.16 ± 4.00 192.53 ± 3.96
RH10 -0.978 ± 0.014 -0.200 ± 0.067 0.061 ± 0.061 3.52 ± 4.03 191.53 ± 3.95
Average -0.859 -0.404 0.216 12.655 205.274
Median -0.798 -0.334 0.236 13.673 213.634
Deviation 0.094 0.170 0.149 9.040 11.099

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression
MC 40.4 ± 5.0 420.1 ± 24.4 1.79 ± 0.13
VC 62.3 ± 5.0 452.5 ± 25.2 1.79 ± 0.13
MX1 41.5 ± 4.9 425.7 ± 24.5 1.79 ± 0.13
MX2 41.7 ± 4.9 429.0 ± 24.5 1.79 ± 0.13
MX3 42.0 ± 4.8 433.8 ± 24.4 1.79 ± 0.13
RH08 50.5 ± 3.3 489.4 ± 22.8 1.79 ± 0.13
RH09 51.1 ± 3.1 490.5 ± 22.4 1.79 ± 0.13
RH10 51.7 ± 3.0 491.2 ± 22.3 1.79 ± 0.13
Average 47.6 454.0 1.79
Median 50.5 452.5 1.79
Deviation 7.6 31.5 0.00

Upstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 127.7 ± 4.7 32.7 ± 1.1 65.8 ± 2.5 92.1 ± 3.2 3.91 ± 0.10 1.39 ± 0.05
VC 137.8 ± 5.4 19.2 ± 0.6 40.2 ± 1.5 95.9 ± 3.3 7.18 ± 0.18 1.44 ± 0.06
MX1 128.5 ± 4.7 32.0 ± 1.1 64.7 ± 2.4 92.4 ± 3.2 4.01 ± 0.10 1.39 ± 0.05
MX2 128.5 ± 4.7 31.9 ± 1.1 64.5 ± 2.4 92.4 ± 3.2 4.02 ± 0.10 1.39 ± 0.05
MX3 128.7 ± 4.6 31.8 ± 1.1 64.2 ± 2.4 92.4 ± 3.2 4.05 ± 0.10 1.39 ± 0.05
RH8 122.0 ± 3.3 26.8 ± 0.9 55.0 ± 2.1 94.0 ± 3.3 4.56 ± 0.10 1.30 ± 0.04
RH9 119.4 ± 3.2 26.4 ± 0.9 54.2 ± 2.0 94.1 ± 3.3 4.53 ± 0.10 1.27 ± 0.03
RH10 118.3 ± 3.1 26.0 ± 0.9 53.6 ± 2.0 94.2 ± 3.3 4.55 ± 0.10 1.26 ± 0.03
Average 126.4 28.3 57.7 93.4 4.6 1.4
Median 128.5 31.8 64.2 94.0 4.5 1.4
Deviation 6.3 4.7 8.8 1.3 1.1 0.1

Downstream wave speeds and mach numbers (About, Top)

Method
dV
Slow
Intermediate
Fast
Slow
Mach
Fast
Mach
MC 70.4 ± 8.3 40.8 ± 2.2 72.8 ± 2.8 104.4 ± 3.5 1.73 ± 0.26 0.67 ± 0.08
VC 75.9 ± 8.1 23.7 ± 1.2 44.4 ± 1.7 109.6 ± 3.7 3.21 ± 0.43 0.69 ± 0.08
MX1 70.8 ± 8.3 40.0 ± 2.1 71.5 ± 2.8 104.7 ± 3.5 1.78 ± 0.26 0.68 ± 0.08
MX2 70.7 ± 8.3 39.8 ± 2.1 71.3 ± 2.8 104.8 ± 3.5 1.78 ± 0.26 0.68 ± 0.08
MX3 70.8 ± 8.3 39.6 ± 2.1 71.0 ± 2.8 104.9 ± 3.5 1.80 ± 0.27 0.68 ± 0.08
RH8 66.5 ± 8.5 33.2 ± 1.7 60.8 ± 2.4 107.1 ± 3.6 2.01 ± 0.33 0.62 ± 0.08
RH9 65.1 ± 8.5 32.7 ± 1.7 60.0 ± 2.3 107.2 ± 3.6 2.00 ± 0.33 0.61 ± 0.08
RH10 64.6 ± 8.5 32.3 ± 1.7 59.3 ± 2.3 107.4 ± 3.6 2.01 ± 0.33 0.60 ± 0.08
Average 69.3 35.3 63.9 106.3 2.0 0.7
Median 70.7 39.6 71.0 107.1 2.0 0.7
Deviation 3.7 5.9 9.8 1.8 0.5 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 Mon Apr 13 08:55:21 2009
Michael L Stevens (mstevens@cfa.harvard.edu)

   
 

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