unix_to_lsa#

caput.astro.observer.Observer.unix_to_lsa(time)[source]#

Calculate the Local Stellar Angle.

This is the angle between the current meridian and the CIRS Celestial Intermediate Origin (CIO), i.e. the ERA + longitude.

Parameters:
timearray_like

Unix time.

Returns:
lsandarray

Local Stellar Angle in degrees.