p>We now fit part of our cube defined by the bounding box 1000&lt;x&lt;1500 and 250&lt;y&lt;750 with a Gaussian on the Halpha line, the NII-doublet, and the SII-doublet with a binning of 4.
We are also going to constrain our velocities and sigmas.</p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="c1"># Fit!</span>
<span class="n">vel_map</span><span class="p">,</span> <span class="n">broad_map</span><span class="p">,</span> <span class="n">flux_map</span><sp