tardis.model.matter.decay module¶
- class tardis.model.matter.decay.IsotopicMassFraction(*args, **kwargs)[source]¶
 Bases:
DataFrame- as_atoms()[source]¶
 Merge Isotope dataframe according to atomic number
- Returns:
 - pandas.DataFrame
 Merged isotope abundances
- decay(t)[source]¶
 Decay the Model
- Parameters:
 - tfloat or astropy.units.Quantity
 if float it will be understood as days
- Returns:
 - pandas.DataFrame
 Decayed abundances