MIT Space Plasma Group Interplanetary Shock Analysis Pages Database: Wind Shock Analysis Event ID: 20031690901 06/18/2003 169.37582 0901 [UT]

General Information (About, Top)

Year	2003
Fractional day of year	169.375816
Arrival time of shock [seconds of day]	32470.5 ± 5.0
Shock type	SF
Electron data availability	0
X GSE location of spacecraft [Re]	224.139
Y GSE location of spacecraft [Re]	-71.070
Z GSE location of spacecraft [Re]	0.589
Upstream plasma points selected for analysis	0008
Upstream field points selected for analysis	0260
Downstream plasma points selected for analysis	0008
Downstream field points selected for analysis	0260
Minimum chisq/dof for RH8,RH9,RH10	1.65, 1.93, 2.04
Event added to database	Sat Mar 12 23:43:27 2005
Event last processed	Sun Mar 13 11:49:46 2005
Method selected	RH08
Propagation delay to Earth [minutes]	36.809 ± 2.371

Asymptotic plasma parameters (About, Top)

Parameter	Upstream	Downstream
Vx GSE [km/s]	-516.6 ± 4.9	-544.9 ± 3.9
Vy GSE [km/s]	-45.8 ± 5.5	-5.9 ± 2.4
Vz GSE [km/s]	-19.8 ± 11.4	-18.8 ± 4.1
Wi [km/s]	36.9 ± 3.2	71.4 ± 1.8
We [km/s]	1165.8 ± 99.8	2257.4 ± 58.2
Ni [n/cc]	8.6 ± 0.9	13.9 ± 1.3
Bx GSE [nT]	9.0 ± 2.5	6.5 ± 1.4
By GSE [nT]	-14.3 ± 0.8	-7.9 ± 2.0
Bz GSE [nT]	-4.0 ± 4.6	-4.3 ± 2.0
Plasma Beta	0.076 ± 0.072	1.244 ± 1.498
Sound Speed [km/s]	47.59 ± 4.07	92.16 ± 2.38
Alfven Speed [km/s]	134.88 ± 11.08	67.10 ± 12.23

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

Method	Nx	Ny	Nz	Theta [degrees]	Phi [degrees]
MC	-0.763 ± 0.365	0.290 ± 0.416	0.578 ± 0.503	35.32 ± 35.27	159.21 ± 29.77
VC	-0.574 ± 0.077	0.818 ± 0.055	0.039 ± 0.039	2.25 ± 13.87	125.09 ± 5.41
MX1	-0.964 ± 0.173	0.267 ± 0.622	0.008 ± 0.008	0.49 ± 45.08	164.50 ± 37.01
MX2	-0.810 ± 0.441	0.349 ± 0.550	0.472 ± 0.434	28.19 ± 50.04	156.71 ± 37.19
MX3	-0.878 ± 0.312	0.364 ± 0.598	0.312 ± 0.301	18.16 ± 38.41	157.49 ± 38.70
RH08	-0.883 ± 0.011	-0.404 ± 0.021	0.240 ± 0.235	13.90 ± 1.72	204.57 ± 1.32
RH09	-0.885 ± 0.029	-0.405 ± 0.056	0.229 ± 0.225	13.24 ± 4.07	204.57 ± 3.58
RH10	-0.885 ± 0.032	-0.405 ± 0.062	0.229 ± 0.225	13.24 ± 4.01	204.57 ± 4.01
Average	-0.830	0.109	0.264	15.599	172.087
Median	-0.878	0.290	0.240	13.900	164.498
Deviation	0.119	0.459	0.194	11.798	29.392

Key shock parameters (About, Top)

Method	ThetaBn	Shock Speed	Compression
MC	41.9 ± 5.3	459.5 ± 25.6	1.62 ± 0.16
VC	16.5 ± 11.6	384.3 ± 39.1	1.62 ± 0.16
MX1	45.4 ± 9.7	585.5 ± 31.0	1.62 ± 0.16
MX2	38.0 ± 3.9	492.0 ± 28.2	1.62 ± 0.16
MX3	37.0 ± 4.4	537.2 ± 30.5	1.62 ± 0.16
RH08	79.9 ± 3.5	494.7 ± 13.4	1.62 ± 0.16
RH09	80.0 ± 3.6	496.2 ± 13.3	1.62 ± 0.16
RH10	80.0 ± 3.6	496.2 ± 13.3	1.62 ± 0.16
Average	52.4	493.2	1.62
Median	45.4	496.2	1.62
Deviation	24.4	57.9	0.00

Upstream wave speeds and mach numbers (About, Top)

Method	dV	Slow	Intermediate	Fast	Slow Mach	Fast Mach
MC	90.2 ± 2.7	34.4 ± 2.9	100.3 ± 8.2	138.9 ± 11.1	2.64 ± 0.25	0.65 ± 0.07
VC	125.8 ± 6.3	45.4 ± 3.9	129.3 ± 10.6	135.6 ± 11.1	2.79 ± 0.23	0.93 ± 0.09
MX1	100.2 ± 5.8	32.3 ± 2.7	94.6 ± 7.8	139.4 ± 11.1	3.12 ± 0.28	0.72 ± 0.08
MX2	99.1 ± 2.0	36.6 ± 3.1	106.3 ± 8.7	138.3 ± 11.1	2.73 ± 0.24	0.72 ± 0.07
MX3	106.6 ± 2.9	37.1 ± 3.1	107.7 ± 8.8	138.2 ± 11.1	2.89 ± 0.24	0.78 ± 0.08
RH8	24.9 ± 2.6	7.9 ± 0.6	23.6 ± 1.9	142.9 ± 11.2	3.20 ± 0.50	0.18 ± 0.03
RH9	24.9 ± 2.6	7.8 ± 0.6	23.3 ± 1.9	142.9 ± 11.2	3.23 ± 0.50	0.18 ± 0.03
RH10	24.9 ± 2.6	7.8 ± 0.6	23.3 ± 1.9	142.9 ± 11.2	3.23 ± 0.50	0.18 ± 0.03
Average	74.6	26.1	76.1	139.9	3.0	0.5
Median	99.1	34.4	100.3	139.4	3.1	0.7
Deviation	42.4	15.6	44.7	2.7	0.2	0.3

Downstream wave speeds and mach numbers (About, Top)

Method	dV	Slow	Intermediate	Fast	Slow Mach	Fast Mach
MC	56.4 ± 5.1	43.1 ± 5.3	49.9 ± 9.1	106.0 ± 4.6	1.32 ± 0.06	0.53 ± 0.03
VC	76.9 ± 2.9	61.2 ± 9.3	64.3 ± 11.7	96.5 ± 2.1	1.28 ± 0.16	0.80 ± 0.02
MX1	62.3 ± 3.7	40.2 ± 4.9	47.1 ± 8.6	107.1 ± 4.8	1.56 ± 0.11	0.58 ± 0.02
MX2	61.8 ± 4.9	46.3 ± 5.8	52.9 ± 9.6	104.6 ± 4.3	1.34 ± 0.07	0.59 ± 0.03
MX3	66.9 ± 4.5	47.0 ± 6.0	53.6 ± 9.8	104.3 ± 4.2	1.43 ± 0.09	0.64 ± 0.03
RH8	15.9 ± 4.6	9.4 ± 1.1	11.8 ± 2.1	114.1 ± 6.1	1.66 ± 0.35	0.14 ± 0.04
RH9	15.8 ± 4.6	9.3 ± 1.0	11.6 ± 2.1	114.1 ± 6.1	1.67 ± 0.36	0.14 ± 0.04
RH10	15.8 ± 4.6	9.3 ± 1.0	11.6 ± 2.1	114.1 ± 6.1	1.67 ± 0.36	0.14 ± 0.04
Average	46.5	33.2	37.8	107.6	1.5	0.4
Median	61.8	43.1	49.9	107.1	1.6	0.6
Deviation	26.0	20.7	22.2	6.2	0.2	0.3

Survey interval (About, Top)

Key plasma parameters

Velocity

Magnetic Field

Shock Speed (About, Top)

Theta Bn (About, Top)