The clustering of ultraviolet-selected galaxies at z ≈ 0.1

Astronomy and Astrophysics – Astrophysics

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Ultraviolet: Galaxies, Cosmology: Large-Scale Structure Of Universe

Scientific paper

We present the first angular clustering measurement of ultraviolet-selected galaxies at low redshift (z ≈ 0.1) using data from the FOCA survey. We measure the galaxy autocorrelation function ω(θ) from three separate fields with m_UV <20.25 (AB). Assuming ω(θ) = Aω θ-δ, we obtain Aω = 2.9+1.9-1.2 × 10-2 and δ=0.53+0.23-0.26, as a best fit to the data, which yields a correlation length r0 = 3.2+0.8-2.3 h-1 Mpc. This estimate is formally lower than those obtained from optically selected L* galaxy samples, although the difference is within errors.

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