synthpop.modules.extinction.o_donnell1994
=========================================

.. py:module:: synthpop.modules.extinction.o_donnell1994

.. autoapi-nested-parse::

   Extinction Law from O'Donnell (1994), which builds from the
   Cardelli et al. (1989) law. 

   Valid from 0.25 to 3.5 microns

   Source DOI: 10.1086/173713



Classes
-------

.. autoapisummary::

   synthpop.modules.extinction.o_donnell1994.ODonnell1994


Module Contents
---------------

.. py:class:: ODonnell1994(R_V: float = 3.1, **kwargs)

   Bases: :py:obj:`synthpop.modules.extinction._extinction.ExtinctionLaw`


   Extinction law from O'Donnell (1994)
      
   Attributes
   -------
   R_V=3.1 : float
       optical total-to-selective extinction ratio


   .. py:attribute:: extinction_law_name
      :value: 'ODonnell1994'



   .. py:attribute:: law_ref_wavelength
      :value: 0.549



   .. py:attribute:: R_V
      :value: 3.1



   .. py:attribute:: min_wavelength
      :value: 0.25



   .. py:attribute:: max_wavelength
      :value: 3.5



   .. py:method:: Alambda_Aref(eff_wavelength: float) -> float

      Given an effective wavelength lambda_eff, calculate the extinction ratio A_lambda/A_ref

      Parameters
      ----------
      eff_wavelength : float
          wavelength to compute extinction ratio at [microns]