MIT Space Plasma Group Interplanetary Shock Analysis Pages Database: Wind Shock Analysis Event ID: 20011011409 04/11/2001 101.58968 1409 [UT]

General Information (About, Top)

Year	2001
Fractional day of year	101.589676
Arrival time of shock [seconds of day]	50948.0 ± 60.0
Shock type	FF
Electron data availability	0
X GSE location of spacecraft [Re]	3.680
Y GSE location of spacecraft [Re]	-262.380
Z GSE location of spacecraft [Re]	-0.500
Upstream plasma points selected for analysis	0009
Upstream field points selected for analysis	0294
Downstream plasma points selected for analysis	0005
Downstream field points selected for analysis	0336
Minimum chisq/dof for RH8,RH9,RH10	4.09, 14.96, 15.50
Event added to database	Mon Feb 14 11:13:23 2005
Event last processed	Sun Mar 13 11:05:31 2005
Method selected	RH08
Propagation delay to Earth [minutes]	-0.478 ± 0.900

Asymptotic plasma parameters (About, Top)

Parameter	Upstream	Downstream
Vx GSE [km/s]	-525.8 ± 22.0	-636.6 ± 14.8
Vy GSE [km/s]	18.0 ± 25.7	-46.7 ± 24.8
Vz GSE [km/s]	-15.8 ± 14.8	40.9 ± 16.9
Wi [km/s]	55.2 ± 21.2	140.5 ± 13.3
We [km/s]	1746.1 ± 669.5	4442.3 ± 420.5
Ni [n/cc]	2.3 ± 0.7	8.1 ± 1.0
Bx GSE [nT]	5.0 ± 0.7	7.2 ± 2.9
By GSE [nT]	0.3 ± 1.9	-2.5 ± 2.7
Bz GSE [nT]	-0.4 ± 0.7	3.6 ± 2.1
Plasma Beta	0.685 ± 0.483	4.329 ± 5.221
Sound Speed [km/s]	71.29 ± 27.33	181.35 ± 17.17
Alfven Speed [km/s]	80.43 ± 17.10	71.34 ± 13.89

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

Method	Nx	Ny	Nz	Theta [degrees]	Phi [degrees]
MC	-0.970 ± 0.089	-0.071 ± 0.536	0.233 ± 0.229	13.46 ± 19.85	184.18 ± 31.68
VC	-0.800 ± 0.125	-0.454 ± 0.207	0.392 ± 0.370	23.07 ± 7.54	209.58 ± 14.71
MX1	-0.920 ± 0.193	-0.317 ± 0.509	0.233 ± 0.228	13.45 ± 21.31	199.00 ± 31.66
MX2	-0.903 ± 0.158	-0.312 ± 0.341	0.294 ± 0.286	17.13 ± 21.80	199.07 ± 21.53
MX3	-0.912 ± 0.150	-0.274 ± 0.310	0.305 ± 0.295	17.76 ± 23.16	196.74 ± 19.38
RH08	-0.998 ± 0.001	-0.026 ± 0.022	0.050 ± 0.050	2.88 ± 1.05	181.50 ± 1.27
RH09	-0.990 ± 0.010	-0.113 ± 0.069	0.084 ± 0.084	4.81 ± 4.02	186.52 ± 3.99
RH10	-0.990 ± 0.010	-0.113 ± 0.069	0.084 ± 0.084	4.81 ± 4.02	186.52 ± 3.99
Average	-0.935	-0.210	0.209	12.170	192.888
Median	-0.920	-0.113	0.233	13.464	196.741
Deviation	0.067	0.150	0.124	7.296	9.677

Key shock parameters (About, Top)

Method	ThetaBn	Shock Speed	Compression
MC	20.1 ± 11.9	678.8 ± 25.1	4.68 ± 1.88
VC	34.5 ± 15.3	599.4 ± 33.4	4.68 ± 1.88
MX1	23.3 ± 15.4	666.5 ± 29.7	4.68 ± 1.88
MX2	25.3 ± 14.6	657.5 ± 30.1	4.68 ± 1.88
MX3	24.6 ± 14.0	660.2 ± 29.5	4.68 ± 1.88
RH08	19.0 ± 10.5	685.4 ± 22.2	4.68 ± 1.88
RH09	17.6 ± 13.0	688.2 ± 24.2	4.68 ± 1.88
RH10	17.6 ± 13.0	688.2 ± 24.2	4.68 ± 1.88
Average	22.7	665.5	4.68
Median	23.3	678.8	4.68
Deviation	5.6	29.4	0.00

Upstream wave speeds and mach numbers (About, Top)

Method	dV	Slow	Intermediate	Fast	Slow Mach	Fast Mach
MC	173.8 ± 21.4	52.5 ± 11.2	75.5 ± 16.1	97.0 ± 14.7	3.54 ± 1.28	1.83 ± 0.35
VC	193.1 ± 18.0	43.8 ± 8.7	66.3 ± 14.1	101.5 ± 14.0	4.64 ± 1.40	1.94 ± 0.35
MX1	192.4 ± 19.6	50.8 ± 10.7	73.9 ± 15.7	98.0 ± 14.5	4.02 ± 1.34	2.00 ± 0.37
MX2	192.9 ± 19.4	49.7 ± 10.3	72.7 ± 15.5	98.6 ± 14.4	4.12 ± 1.35	2.00 ± 0.37
MX3	190.4 ± 19.6	50.0 ± 10.4	73.1 ± 15.5	98.4 ± 14.4	4.04 ± 1.35	1.98 ± 0.36
RH8	161.7 ± 21.9	53.1 ± 11.4	76.1 ± 16.2	96.6 ± 14.8	3.26 ± 1.23	1.71 ± 0.33
RH9	171.1 ± 21.3	53.9 ± 11.7	76.7 ± 16.3	96.2 ± 14.9	3.40 ± 1.26	1.82 ± 0.34
RH10	171.1 ± 21.3	53.9 ± 11.7	76.7 ± 16.3	96.2 ± 14.9	3.40 ± 1.26	1.82 ± 0.34
Average	180.8	51.0	73.9	97.8	3.8	1.9
Median	190.4	52.5	75.5	98.0	4.0	1.9
Deviation	12.7	3.3	3.4	1.8	0.5	0.1

Downstream wave speeds and mach numbers (About, Top)

Method	dV	Slow	Intermediate	Fast	Slow Mach	Fast Mach
MC	48.5 ± 18.9	66.1 ± 12.2	67.0 ± 13.0	183.5 ± 16.1	0.75 ± 0.33	0.27 ± 0.12
VC	52.8 ± 25.6	56.9 ± 9.7	58.8 ± 11.4	186.8 ± 14.8	0.93 ± 0.46	0.29 ± 0.15
MX1	56.8 ± 22.3	64.4 ± 11.7	65.5 ± 12.8	184.2 ± 15.8	0.89 ± 0.37	0.32 ± 0.14
MX2	56.0 ± 22.9	63.2 ± 11.3	64.5 ± 12.6	184.6 ± 15.6	0.89 ± 0.38	0.31 ± 0.14
MX3	54.4 ± 22.5	63.6 ± 11.4	64.8 ± 12.6	184.5 ± 15.7	0.86 ± 0.38	0.30 ± 0.14
RH8	46.5 ± 15.9	66.6 ± 12.3	67.5 ± 13.1	183.3 ± 16.2	0.71 ± 0.28	0.26 ± 0.10
RH9	49.3 ± 17.5	67.3 ± 12.5	68.0 ± 13.2	183.0 ± 16.3	0.74 ± 0.30	0.28 ± 0.11
RH10	49.3 ± 17.5	67.3 ± 12.5	68.0 ± 13.2	183.0 ± 16.3	0.74 ± 0.30	0.28 ± 0.11
Average	51.7	64.4	65.5	184.1	0.8	0.3
Median	52.8	66.1	67.0	184.2	0.9	0.3
Deviation	3.8	3.5	3.0	1.2	0.1	0.0

Survey interval (About, Top)

Key plasma parameters

Velocity

Magnetic Field

Shock Speed (About, Top)

Theta Bn (About, Top)