gy channels

    Parameters
    ----------
    energies : `astropy.units.Quantity`, optional
        The energies to evaluate the transmission
    attenuator : `bool`, optional
        True for attenuator in X-ray path, False for attenuator not in X-ray path

    Returns
    -------
    `astropy.table.Table`
        Table containing the transmission values for each energy and detector
    &#34;&#34;&#34;
    base_comps = [
        self.components[name] for name in [
            &#39;front_window&#39;, &#39;