# Licensed under a 3-clause BSD style license - see LICENSE.rst """ Astronomical and physics constants for Astropy v2.0. See :mod:`astropy.constants` for a complete listing of constants defined in Astropy. """ import warnings from astropy.utils import find_current_module from . import utils as _utils from . import codata2014, iau2015 codata = codata2014 iaudata = iau2015 _utils._set_c(codata, iaudata, find_current_module()) # Overwrite the following for consistency. # https://github.com/astropy/astropy/issues/8920 with warnings.catch_warnings(): warnings.filterwarnings('ignore', 'Constant .*already has a definition') # Solar mass (derived from mass parameter and gravitational constant) M_sun = iau2015.IAU2015( 'M_sun', "Solar mass", iau2015.GM_sun.value / codata2014.G.value, 'kg', ((codata2014.G.uncertainty / codata2014.G.value) * (iau2015.GM_sun.value / codata2014.G.value)), f"IAU 2015 Resolution B 3 + {codata2014.G.reference}", system='si') # Jupiter mass (derived from mass parameter and gravitational constant) M_jup = iau2015.IAU2015( 'M_jup', "Jupiter mass", iau2015.GM_jup.value / codata2014.G.value, 'kg', ((codata2014.G.uncertainty / codata2014.G.value) * (iau2015.GM_jup.value / codata2014.G.value)), f"IAU 2015 Resolution B 3 + {codata2014.G.reference}", system='si') # Earth mass (derived from mass parameter and gravitational constant) M_earth = iau2015.IAU2015( 'M_earth', "Earth mass", iau2015.GM_earth.value / codata2014.G.value, 'kg', ((codata2014.G.uncertainty / codata2014.G.value) * (iau2015.GM_earth.value / codata2014.G.value)), f"IAU 2015 Resolution B 3 + {codata2014.G.reference}", system='si') # Clean up namespace del warnings del find_current_module del _utils