vth_

plasmapy.formulary.speeds.vth_(
T: Annotated[Quantity, Unit('K')],
particle: str | int | integer | Particle | CustomParticle | Quantity,
method: Literal['most_probable', 'rms', 'mean_magnitude', 'nrl'] = 'most_probable',
mass: Annotated[Quantity, Unit('kg')] = None,
ndim: int = 3,
) Annotated[Quantity, Unit('m / s')]

Alias to thermal_speed().