ground_to_sph#
- caput.astro.coordinates.spherical.ground_to_sph(x, y, lat)[source]#
Compute CIRS coordinates from ground-fixed coordinates.
- Parameters:
- xarray_like
The East projection of the angular position.
- yarray_like
The North projection of the angular position.
- latarray_like
The latitude of the observatory in radians.
- Returns:
- ha, decarray_like
CIRS hour angle and declination in radians.