r to <a class="reference external" href="https://arxiv.org/pdf/1612.01524.pdf">Belczynski et al. 2017</a> for the metallicity dependence of the star formation rate.</p></li>
</ul>
<p><span class="math">\begin{equation}
\psi(z) = 0.015 \frac{(1+z)^{2.7}}{1+[(1+z)/2.9]^{5.6}} \text{M}_\odot \text{yr}^{-1} \text{Mpc}^{-3} \tag{2}
\end{equation}</span></p>
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<div class="prompt highlight-none notranslate"><div class="highlight"><pre><span></span>[18]:
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