The Redshift Evolution of Clustering in the HDF (original) (raw)
1998
We present a correlation function analysis for the catalogue of photometric redshifts obtained from the Hubble Deep Field image by Fernandez-Soto et al., 1998. By dividing the catalogue into redshift bins of width Deltaz=0.4\Delta z=0.4Deltaz=0.4 we measured the angular correlation function w(theta)w(\theta)w(theta) as a function of redshift up to zsim4.8z\sim 4.8zsim4.8. From these measurements we derive the trend of the correlation length r_0r_0r0. We find that r0(z)r_0(z)r0(z) is roughly constant with look-back time up to zsimeq2z \simeq 2zsimeq2, and then increases to higher values at zsimgt2.4z\simgt 2.4zsimgt2.4. We estimate the values of r0r_0r0, assuming xi(r,z)=(r/r0(z))−gamma\xi(r,z)=(r/r_0(z))^{-\gamma}xi(r,z)=(r/r0(z))−gamma, gamma=1.8\gamma=1.8gamma=1.8 and different geometries. For Omega0=1\Omega_0=1Omega0=1 we find r0(z=3)simeq7.00pm4.87h−1r_0(z=3)\simeq 7.00\pm 4.87 h^{-1}r_0(z=3)simeq7.00pm4.87h−1 Mpc, in good agreement with the values obtained from analysis of the Lyman Break Galaxies.
Related papers
Loading Preview
Sorry, preview is currently unavailable. You can download the paper by clicking the button above.