airmass_zodi

skysim.zodiacal.airmass_zodi(zenith_angle)

Calculate the airmass used for zodiacal light calculations.

Use equation (2) of Noll 2012, which is originally from Rozenberg 1966.

Parameters

zfloat or array

Zenith angle(s) in degrees.

Returns

float or array

Airmass(es) corresponding to each input zenith angle.