firecrown.likelihood.supernova
==============================

.. py:module:: firecrown.likelihood.supernova

.. autoapi-nested-parse::

   Supernova statistics.

   This subpackage provides the Supernova statistic class for Type Ia supernova
   likelihood calculations.



Classes
-------

.. autoapisummary::

   firecrown.likelihood.supernova.Supernova


Package Contents
----------------

.. py:class:: Supernova(sacc_tracer)

   Bases: :py:obj:`firecrown.likelihood._base.Statistic`

   .. autoapi-inheritance-diagram:: firecrown.likelihood.supernova.Supernova
      :parts: 1


   A statistic representing the distance modulus for a single supernova.

   This statistic that applies an additive shift M to a supernova's distance
   modulus.


   .. py:attribute:: sacc_tracer


   .. py:attribute:: data_vector
      :type:  None | firecrown.data_types.DataVector
      :value: None



   .. py:attribute:: a
      :type:  None | numpy.typing.NDArray[numpy.float64]
      :value: None



   .. py:attribute:: M


   .. py:method:: read(sacc_data)

      Read the data for this statistic from the SACC file.

      :param sacc_data: The data in the sacc format.



   .. py:method:: get_data_vector()

      Return the data vector; raise exception if there is none.

      :return: The data vector.