phot_system_lookup

artpop.filters.phot_system_lookup(filter_name=None)[source]

Lookup the photometric system name associated with a given filter name.

Parameters
filter_namestr, optional

Filter name to lookup.

Returns
lookupdict or str

If filter_name is None, a dictionary with the filter names as keywords and the photometric systems as values. If filter_name is not None, its photometric system is returned.