uvex_transients.dust.get_dust_law

uvex_transients.dust.get_dust_law(dust_law: str | None = None)

Return the (cached, instantiated) reddening law to use.

Parameters:

dust_law (str, optional) – Name of a registered law (case-insensitive), currently just "g23" (dust_extinction.parameter_averages.G23). If None (the default), the configured default (config["physics.default_dust_law"], "g23" out of the box) is used.

Returns:

Instantiated reddening law, exposing .Rv, .x_range, and law(x) -> A(x)/A(V) – see log_attenuation.

Return type:

dust_extinction.baseclasses.BaseExtModel

Raises:

KeyError – If dust_law (or the configured default) doesn’t name a registered law.