def METHOD_NAME(self, full_output=False):
    data = super().METHOD_NAME(full_output=full_output)
    data["spectral"]["channel"] = self.channel
    data["spectral"]["mass"] = self.mass.to_string()
    data["spectral"]["jfactor"] = self.jfactor.to_string()
    data["spectral"]["z"] = self.z
    data["spectral"]["k"] = self.k
    return data