tion factor</td>
            {% if "zeta" in session %}
                <td> {{ session["zeta"] }}</td>
            {% else %}
                <td> 1.0 (Default)</td>
            {% endif %}

            {% if "zeta_up" in session %}
                <td> {{ session["zeta_up"] }}</td>
            {% else %}
                <td> Constant</td>
            {% endif %}
        </tr>
        <tr>
            <td>UV radiation field factor</td>
            {% if "radfield" in session %}
                <td> {{ sess