Detection of strong clustering of red K-selected galaxies at 2<z_phot<4 in the Hubble Deep Field South

Details Detection of strong clustering of red K-selected galaxies at 2<z_phot<4 in the Hubble Deep Field South Detection of strong clustering of red K-selected galaxies at 2<z_phot<4 in the Hubble Deep Field South

2003-03-07

arxiv.org/abs/astro-ph/0303165v1

Astrophys.J. 588 (2003) 50-64

Astronomy and Astrophysics

Astrophysics

to appear on ApJ, May 1 issue. See also papers by Franx et al. and van Dokkum et al., on this listing

Scientific paper

10.1086/374044

The clustering properties of faint K<24 galaxies are measured in ultradeep J, H and K near-IR images of the Hubble Deep Field South (HDF-S), obtained with ISAAC at the VLT. A relatively large clustering amplitude is found up to K=24, at a level comparable to the measurements at K~19. The redshift distribution of K<24 galaxies extends to z_phot~4-5, and ~40% of the galaxies are at z_phot>2.At the highest redshifts, 21.7 reach r_0~8 h^-1 Mpc comoving. This is a factor of 3--4 higher than the correlation length of LBGs with similar number densities, down to V_606<27, and is also larger than the correlation length of galaxies with blue J-K<1.7 colors. Hence at z about 3 a color-density relation is observed which is similar to that observed locally. Fluctuations in the amplitude of clustering due to cosmic variance may affect our estimates derived from the small HDF-S field, but these are unlikely to change our main conclusions. The galaxies with red J-K>1.7 colors at 2

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