MIT/CSR Interplanetary Shocks

MIT Space Plasma Group
Interplanetary Shock Analysis Pages

Database: Wind Shock Analysis
Event ID: 20023241049
11/20/2002 324.45116 1049 [UT]

Site	Data tables	Selection	Normals	Parameters
Previous event Next event Yearly list Main page Help	General information Asymptotic parameters Shock front normals Key parameters Wave speed and Mach numbers	Survey Selected	Simple methods Rankine Individual equations	Shock speed Theta Bn Mach numbers

General Information (About, Top)

Year 2002

Fractional day of year 324.451163

Arrival time of shock [seconds of day] 38980.5 ± 50.0

Shock type FF

Electron data availability 0

X GSE location of spacecraft [Re] 95.387

Y GSE location of spacecraft [Re] -16.658

Z GSE location of spacecraft [Re] 2.570

Upstream plasma points selected for analysis 0008

Upstream field points selected for analysis 0245

Downstream plasma points selected for analysis 0007

Downstream field points selected for analysis 0224

Minimum chisq/dof for RH8,RH9,RH10 4.79, 21.74, 22.26

Event added to database
Sat Mar 12 23:37:56 2005

Event last processed
Sun Mar 13 11:46:56 2005

Method selected
RH08

Propagation delay to Earth [minutes]
22.194 ± 0.838

Asymptotic plasma parameters (About, Top)

Parameter Upstream Downstream

Vx GSE [km/s] -361.0 ± 3.9 -388.8 ± 6.0

Vy GSE [km/s] -33.8 ± 4.7 -29.7 ± 12.2

Vz GSE [km/s] -10.4 ± 14.8 4.9 ± 9.1

Wi [km/s] 44.3 ± 2.5 70.3 ± 3.8

We [km/s] 1399.8 ± 78.0 2223.1 ± 119.4

Ni [n/cc] 6.7 ± 0.3 13.3 ± 0.8

Bx GSE [nT] 6.1 ± 0.5 8.5 ± 0.5

By GSE [nT] -6.9 ± 0.9 -9.5 ± 0.9

Bz GSE [nT] -0.2 ± 1.9 -0.4 ± 2.0

Plasma Beta
0.312 ± 0.334
0.835 ± 0.781

Sound Speed [km/s]
57.15 ± 3.19
90.76 ± 4.87

Alfven Speed [km/s]
79.49 ± 2.78
77.23 ± 3.16

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

Method Nx Ny Nz Theta [degrees] Phi [degrees]

MC -0.979 ± 0.157 -0.091 ± 0.997 0.180 ± 0.178 10.34 ± 40.75 185.33 ± 58.30

VC -0.922 ± 0.155 0.088 ± 0.361 0.378 ± 0.359 22.21 ± 22.95 174.57 ± 22.40

MX1 -0.842 ± 0.295 -0.320 ± 0.573 0.435 ± 0.405 25.78 ± 28.24 200.85 ± 38.64

MX2 -0.903 ± 0.262 -0.248 ± 0.583 0.350 ± 0.335 20.50 ± 35.34 195.38 ± 36.80

MX3 -0.916 ± 0.247 -0.285 ± 0.611 0.283 ± 0.275 16.44 ± 33.45 197.30 ± 38.09

RH08 -0.900 ± 0.014 -0.431 ± 0.028 0.061 ± 0.061 3.52 ± 1.35 205.57 ± 1.79

RH09 -0.993 ± 0.008 0.009 ± 0.070 0.117 ± 0.117 6.74 ± 4.01 179.50 ± 4.07

RH10 -0.993 ± 0.008 0.009 ± 0.070 0.117 ± 0.117 6.74 ± 4.01 179.50 ± 4.07

Average -0.931 -0.159 0.240 14.032 189.750

Median -0.916 -0.091 0.283 16.437 195.383

Deviation 0.054 0.187 0.140 8.305 11.479

Key shock parameters (About, Top)

Method ThetaBn Shock Speed Compression

MC 54.8 ± 7.4 416.8 ± 14.1 1.98 ± 0.20

VC 47.2 ± 10.3 389.7 ± 18.5 1.98 ± 0.20

MX1 71.0 ± 10.2 367.4 ± 14.7 1.98 ± 0.20

MX2 65.4 ± 9.4 390.5 ± 14.3 1.98 ± 0.20

MX3 66.7 ± 8.6 396.2 ± 13.4 1.98 ± 0.20

RH08 74.2 ± 6.1 388.3 ± 12.5 1.98 ± 0.20

RH09 49.0 ± 6.5 420.2 ± 14.7 1.98 ± 0.20

RH10 49.0 ± 6.5 420.2 ± 14.7 1.98 ± 0.20

Average 59.7 398.7 1.98

Median 65.4 396.2 1.98

Deviation 10.9 18.9 0.00

Upstream wave speeds and mach numbers (About, Top)

Method dV Slow Intermediate Fast Slow
Mach
Fast
Mach

MC 62.0 ± 6.2 27.9 ± 1.1 45.8 ± 1.6 93.9 ± 2.6 2.23 ± 0.28 0.66 ± 0.08

VC 63.9 ± 8.6 33.5 ± 1.3 54.0 ± 1.9 92.0 ± 2.6 1.91 ± 0.31 0.70 ± 0.11

MX1 57.3 ± 9.8 15.3 ± 0.6 25.9 ± 0.9 96.8 ± 2.7 3.77 ± 0.72 0.59 ± 0.12

MX2 59.8 ± 8.6 19.7 ± 0.7 33.1 ± 1.2 95.9 ± 2.7 3.04 ± 0.51 0.63 ± 0.11

MX3 58.9 ± 7.8 18.7 ± 0.7 31.4 ± 1.1 96.2 ± 2.7 3.17 ± 0.49 0.61 ± 0.10

RH8 49.3 ± 5.0 12.7 ± 0.5 21.6 ± 0.8 97.1 ± 2.7 3.89 ± 0.48 0.51 ± 0.06

RH9 63.2 ± 5.3 32.2 ± 1.3 52.2 ± 1.8 92.5 ± 2.6 1.97 ± 0.22 0.68 ± 0.08

RH10 63.2 ± 5.3 32.2 ± 1.3 52.2 ± 1.8 92.5 ± 2.6 1.97 ± 0.22 0.68 ± 0.08

Average 59.7 24.0 39.5 94.6 2.7 0.6

Median 62.0 27.9 45.8 95.9 3.0 0.7

Deviation 4.8 8.4 13.0 2.1 0.8 0.1

Downstream wave speeds and mach numbers (About, Top)

Method dV Slow Intermediate Fast Slow
Mach
Fast
Mach

MC 32.4 ± 5.5 35.5 ± 1.1 44.5 ± 1.8 113.8 ± 4.0 0.92 ± 0.16 0.28 ± 0.05

VC 32.0 ± 6.9 42.7 ± 1.4 52.5 ± 2.1 111.3 ± 4.0 0.75 ± 0.16 0.29 ± 0.06

MX1 28.5 ± 4.6 19.4 ± 0.6 25.1 ± 1.0 117.6 ± 4.1 1.47 ± 0.26 0.24 ± 0.04

MX2 30.3 ± 4.8 25.0 ± 0.8 32.2 ± 1.3 116.6 ± 4.1 1.21 ± 0.21 0.26 ± 0.04

MX3 30.2 ± 4.8 23.7 ± 0.8 30.5 ± 1.2 116.9 ± 4.1 1.28 ± 0.22 0.26 ± 0.04

RH8 25.1 ± 5.8 16.1 ± 0.5 21.0 ± 0.9 118.1 ± 4.1 1.57 ± 0.41 0.21 ± 0.05

RH9 33.7 ± 6.0 41.1 ± 1.3 50.7 ± 2.1 111.9 ± 4.0 0.82 ± 0.15 0.30 ± 0.05

RH10 33.7 ± 6.0 41.1 ± 1.3 50.7 ± 2.1 111.9 ± 4.0 0.82 ± 0.15 0.30 ± 0.05

Average 30.7 30.6 38.4 114.8 1.1 0.3

Median 32.0 35.5 44.5 116.6 1.2 0.3

Deviation 2.9 10.7 12.6 2.8 0.3 0.0

Survey interval (About, Top)

Selected data (About, Top)

Key plasma parameters

Velocity

Magnetic Field

Simple Methods (About, Top)

Rankine Chi^2 Contour (About, Top)

Conservation of Individual Rankine-Hugoniot Equations (About, Top)

Shock Speed (About, Top)

Theta Bn (About, Top)

Mach Numbers (About, Top)

Page updated Sun Mar 13 12:08:54 2005
Justin C Kasper (jck@mit.edu)

Year	2002
Fractional day of year	324.451163
Arrival time of shock [seconds of day]	38980.5 ± 50.0
Shock type	FF
Electron data availability	0
X GSE location of spacecraft [Re]	95.387
Y GSE location of spacecraft [Re]	-16.658
Z GSE location of spacecraft [Re]	2.570
Upstream plasma points selected for analysis	0008
Upstream field points selected for analysis	0245
Downstream plasma points selected for analysis	0007
Downstream field points selected for analysis	0224
Minimum chisq/dof for RH8,RH9,RH10	4.79, 21.74, 22.26
Event added to database	Sat Mar 12 23:37:56 2005
Event last processed	Sun Mar 13 11:46:56 2005
Method selected	RH08
Propagation delay to Earth [minutes]	22.194 ± 0.838

Parameter	Upstream	Downstream
Vx GSE [km/s]	-361.0 ± 3.9	-388.8 ± 6.0
Vy GSE [km/s]	-33.8 ± 4.7	-29.7 ± 12.2
Vz GSE [km/s]	-10.4 ± 14.8	4.9 ± 9.1
Wi [km/s]	44.3 ± 2.5	70.3 ± 3.8
We [km/s]	1399.8 ± 78.0	2223.1 ± 119.4
Ni [n/cc]	6.7 ± 0.3	13.3 ± 0.8
Bx GSE [nT]	6.1 ± 0.5	8.5 ± 0.5
By GSE [nT]	-6.9 ± 0.9	-9.5 ± 0.9
Bz GSE [nT]	-0.2 ± 1.9	-0.4 ± 2.0
Plasma Beta	0.312 ± 0.334	0.835 ± 0.781
Sound Speed [km/s]	57.15 ± 3.19	90.76 ± 4.87
Alfven Speed [km/s]	79.49 ± 2.78	77.23 ± 3.16

Method	Nx	Ny	Nz	Theta [degrees]	Phi [degrees]
MC	-0.979 ± 0.157	-0.091 ± 0.997	0.180 ± 0.178	10.34 ± 40.75	185.33 ± 58.30
VC	-0.922 ± 0.155	0.088 ± 0.361	0.378 ± 0.359	22.21 ± 22.95	174.57 ± 22.40
MX1	-0.842 ± 0.295	-0.320 ± 0.573	0.435 ± 0.405	25.78 ± 28.24	200.85 ± 38.64
MX2	-0.903 ± 0.262	-0.248 ± 0.583	0.350 ± 0.335	20.50 ± 35.34	195.38 ± 36.80
MX3	-0.916 ± 0.247	-0.285 ± 0.611	0.283 ± 0.275	16.44 ± 33.45	197.30 ± 38.09
RH08	-0.900 ± 0.014	-0.431 ± 0.028	0.061 ± 0.061	3.52 ± 1.35	205.57 ± 1.79
RH09	-0.993 ± 0.008	0.009 ± 0.070	0.117 ± 0.117	6.74 ± 4.01	179.50 ± 4.07
RH10	-0.993 ± 0.008	0.009 ± 0.070	0.117 ± 0.117	6.74 ± 4.01	179.50 ± 4.07
Average	-0.931	-0.159	0.240	14.032	189.750
Median	-0.916	-0.091	0.283	16.437	195.383
Deviation	0.054	0.187	0.140	8.305	11.479

Method	ThetaBn	Shock Speed	Compression
MC	54.8 ± 7.4	416.8 ± 14.1	1.98 ± 0.20
VC	47.2 ± 10.3	389.7 ± 18.5	1.98 ± 0.20
MX1	71.0 ± 10.2	367.4 ± 14.7	1.98 ± 0.20
MX2	65.4 ± 9.4	390.5 ± 14.3	1.98 ± 0.20
MX3	66.7 ± 8.6	396.2 ± 13.4	1.98 ± 0.20
RH08	74.2 ± 6.1	388.3 ± 12.5	1.98 ± 0.20
RH09	49.0 ± 6.5	420.2 ± 14.7	1.98 ± 0.20
RH10	49.0 ± 6.5	420.2 ± 14.7	1.98 ± 0.20
Average	59.7	398.7	1.98
Median	65.4	396.2	1.98
Deviation	10.9	18.9	0.00

Method	dV	Slow	Intermediate	Fast	Slow Mach	Fast Mach
MC	62.0 ± 6.2	27.9 ± 1.1	45.8 ± 1.6	93.9 ± 2.6	2.23 ± 0.28	0.66 ± 0.08
VC	63.9 ± 8.6	33.5 ± 1.3	54.0 ± 1.9	92.0 ± 2.6	1.91 ± 0.31	0.70 ± 0.11
MX1	57.3 ± 9.8	15.3 ± 0.6	25.9 ± 0.9	96.8 ± 2.7	3.77 ± 0.72	0.59 ± 0.12
MX2	59.8 ± 8.6	19.7 ± 0.7	33.1 ± 1.2	95.9 ± 2.7	3.04 ± 0.51	0.63 ± 0.11
MX3	58.9 ± 7.8	18.7 ± 0.7	31.4 ± 1.1	96.2 ± 2.7	3.17 ± 0.49	0.61 ± 0.10
RH8	49.3 ± 5.0	12.7 ± 0.5	21.6 ± 0.8	97.1 ± 2.7	3.89 ± 0.48	0.51 ± 0.06
RH9	63.2 ± 5.3	32.2 ± 1.3	52.2 ± 1.8	92.5 ± 2.6	1.97 ± 0.22	0.68 ± 0.08
RH10	63.2 ± 5.3	32.2 ± 1.3	52.2 ± 1.8	92.5 ± 2.6	1.97 ± 0.22	0.68 ± 0.08
Average	59.7	24.0	39.5	94.6	2.7	0.6
Median	62.0	27.9	45.8	95.9	3.0	0.7
Deviation	4.8	8.4	13.0	2.1	0.8	0.1