def ablation_times(self):
        """
        Function for calculating the ablation time for each
        ablation.

        Returns
        -------
            dict of times for each ablation.
        """
        ats = {}
        for n in np.arange(self.n) + 1:
            t = self.Time[self.ns == n]
            ats[n - 1] = t.max() - t.min()
        return ats