SHK-2023011301
January 13, 2023
Shock date/time [UTC]
2023-01-13 01:37:52
2023-01-13 01:37:52
Spacecraft
Solar Orbiter
Solar Orbiter
Radial distance
0.95 au
0.95 au
Comments
M<1 with this choice of windows
M<1 with this choice of windows
Shock normal [RTN]
(0.90, 0.22, 0.39)
(0.90, 0.22, 0.39)
Upstream B [RTN]
(-8.66, 5.55, 0.78) nT
(-8.66, 5.55, 0.78) nT
Upstream density
5.1 cm-3
5.1 cm-3
Upstream beta
0.1
0.1
Shock angle θBn
52°
52°
Shock speed
473 km/s
473 km/s
Alfvén number
0.9
0.9
Fast Mach number
0.9
0.9
Magnetic compression ratio Bd/Bu
1.3
1.3
Density compression ratio ρd/ρu
1.9
1.9
Upstream fluctuations δB/B
0.187234
0.187234
Structures at 8 min
No
No
Present
Yes
Yes
Extent
3 min
3 min
Frequency range
.1-50 Hz
.1-50 Hz
Comments
Clean high frequency activity close to shock
Clean high frequency activity close to shock
Reflected particles
No
No
Extent
—
15 MeV response
Zero flux
Zero flux
15 MeV delay
—
1 MeV response
Zero Flux
Zero Flux
1 MeV delay
—
130 keV response
Zero Flux
Zero Flux
130 keV delay
—
70 keV response
Zero Flux
Zero Flux
70 keV delay
—
50 keV response
Zero Flux
Zero Flux
50 keV delay
—
Comments
—
Protons (± 2 hours)
Protons (± 20 minutes)
Protons (peaks)
Magnetic compression ratio
Density compression ratio
Shock speed
Shock angle
