 the disc. RA, in degrees. [Default = Centre of supplied cube after clipping]</p>
</dd>
<dt>yc_guess<span class="classifier">float</span></dt><dd><p>Guess for Kinematic/morphological centre of the disc. Dec, in degrees. [Default = Centre of supplied cube after clipping]</p>
</dd>
<dt>vsys_guess<span class="classifier">float</span></dt><dd><p>Guess for Systemic velocity of the gas, in the radio velocity convention. km/s.  [Default = Velocity of central channel of supplied cube after clipping]</p>
</dd>
<dt>t