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Table 2.

Expected number density of observed Hα emitters for the Euclid spectroscopic survey, extracted from the Flagship simulation in each redshift bin.

zmin zmax N ( z ¯ ) [ h 3 Mpc − 3 ] $ \mathcal{N} (\bar z)\,[h^3\,\mathrm{Mpc}^{-3}] $ V s ( z ¯ ) [ h − 3 Gpc 3 ] $ V_{\mathrm{s}}(\bar z)\,[h^{-3}\,\mathrm{Gpc}^3] $ b ( z ¯ ) $ b(\bar z) $ s ( z ¯ ) $ s(\bar z) $
0.90 1.10 4.71 × 10−4 7.94 1.441 0.79
1.10 1.30 3.75 × 10−4 9.15 1.643 0.87
1.30 1.50 2.90 × 10−4 10.05 1.862 0.96
1.50 1.80 2.01 × 10−4 16.22 2.078 0.98

Notes. The first two columns show the minimum, zmin, and maximum, zmax, redshift of each bin. The third column shows the comoving number density of sources, 𝒩(z); the fourth column lists the total comoving volume of the redshift bin. The last two columns respectively denote the linear galaxy bias and the local count slope of the sources, evaluated at the mean redshift. The values of the biases have been obtained by performing a cubic interpolation (using the SciPy Python package, described in Virtanen et al. 2020) on the data described in Sect. 3.

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