galpy.util.conversion.freq_in_kmskpcΒΆ

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

NAME:

freq_in_kmskpc

PURPOSE:

convert a frequency to km/s/kpc

INPUT:

vo - velocity unit in km/s

ro - length unit in kpc

OUTPUT:

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

HISTORY:

2013-09-01 - Written - Bovy (IAS)