dd><p>Optional - Allowed range for fitting of the inclination angle. Degrees. [Default: Min=0 and Max=89 degrees]</p>
</dd>
<dt>expscale_range<span class="classifier">two element ndarray</span></dt><dd><p>Optional - Allowed range for fitting of the default exponential scale radius. arcseconds. [Default: Min=0 and Max=the size of your input cube]</p>
</dd>
<dt>vel_range<span class="classifier">two element ndarray</span></dt><dd><p>Optional - Allowed range for fitting of the tilted ring velocities. km/s. [Def