Luminosity of star from absolute magnitude
==========================================

The luminosity of a star can be calculated from the absolute magnitude of the star.

**Notation:**

#. :math:`L_0` (:code:`L_0`) is :attr:`~symplyphysics.quantities.zero_point_luminosity`.

**Links:**

#. `Wikipedia, last formula in paragraph <https://en.wikipedia.org/wiki/Luminosity#Relationship_to_magnitude>`__.

.. py:currentmodule:: symplyphysics.laws.astronomy.luminosity_of_star_from_absolute_magnitude

.. py:data:: luminosity

    :attr:`~symplyphysics.symbols.astronomy.luminosity` of the star.

Symbol:
    :code:`L`

Latex:
    :math:`L`

Dimension:
    :code:`power`


.. py:data:: absolute_magnitude

    :attr:`~symplyphysics.symbols.astronomy.absolute_magnitude` of the star.

Symbol:
    :code:`M`

Latex:
    :math:`M`

Dimension:
    :code:`dimensionless`


.. py:data:: law

    :code:`log(L / L_0, 10) = -0.4 * M`


    Latex:
        .. math::
            \log_{10} \left( \frac{L}{L_0} \right) = - 0.4 M