sph_to_ground#

caput.astro.coordinates.spherical.sph_to_ground(ha, lat, dec)[source]#

Get the ground based XYZ coordinates.

Parameters:
haarray_like

The CIRS hour angle of the source in radians.

latarray_like

The latitude of the observatory in radians.

decarray_like

The CIRS declination of the source in radians.

Returns:
x, y, xarray_like

The projected angular position in ground-fixed XYZ coordinates.