e flagged as cosmic rays.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">gain</span></code><span class="classifier"><code class="docutils literal notranslate"><span class="pre">float</span></code>, default=1.0</span></dt><dd><p>Gain of the image (electrons / ADU). We always need to work in electrons for cosmic ray detection.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">readnoise</span></code><span class="classifier"><code class="docutils literal notr