V_LSR

Astronomy.redshift.V_LSR(RA, dec, dss, timedate)

Computes the velocity of the local standard of rest w.r.t. the observer

:param ra : J2000 right ascension as a float or as “12h34m56.78s” :type ra : float or str

:param dec : J2000 declination as a float or as “-12d34m56.78s” :type dec : float or str

:param observer : DSN station :type observer : int

:param timedate : date/time of the observation :type timedate : datetime object