pvlib.location.Location.get_airmass¶
-
Location.
get_airmass
(times=None, solar_position=None, model='kastenyoung1989')[source]¶ Calculate the relative and absolute airmass.
Automatically chooses zenith or apparant zenith depending on the selected model.
Parameters: - times : None or DatetimeIndex, default None
Only used if solar_position is not provided.
- solar_position : None or DataFrame, default None
DataFrame with with columns ‘apparent_zenith’, ‘zenith’.
- model : str, default ‘kastenyoung1989’
Relative airmass model
Returns: - airmass : DataFrame
Columns are ‘airmass_relative’, ‘airmass_absolute’