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The synthetic Emission Line COSMOS catalogue: Hα and [O <scp>ii</scp>] galaxy luminosity functions and counts at 0.3 &amp;lt; <i>z</i> &amp;lt; 2.5

The synthetic Emission Line COSMOS catalogue: Hα and [O <scp>ii</scp>] galaxy luminosity functions and counts at 0.3 &amp;lt; <i>z</i> &amp;lt; 2.5

Star-forming galaxies with strong nebular and collisional emission lines are privileged target galaxies in forthcoming cosmological large galaxy redshift surveys. We use the COSMOS2015 photometric catalog to model galaxy spectral energy distributions and emission-line fluxes. We adopt an empirical but physically-motivated model that uses information from the best-fitting spectral energy …