galpy.util.conversion.velocity_in_kpcGyr

galpy.util.conversion.velocity_in_kpcGyr(vo, ro)[source]

Convert a velocity to kpc/Gyr.

Parameters:
  • vo (float) – Velocity unit in km/s.

  • ro (float) – Length unit in kpc.

Returns:

Conversion from units where vo=1. at ro=1.

Return type:

float

Notes

  • 2014-12-19 - Written - Bovy (IAS)