SIMBAD references

2004MNRAS.355...82T - Mon. Not. R. Astron. Soc., 355, 82-96 (2004/November-3)

Quantitative morphological analysis of the Hubble Deep Field North and Hubble Deep Field South - I. Early- and late-type luminosity-size relations of galaxies out to z∼ 1.

TRUJILLO I. and AGUERRI J.A.L.

Abstract (from CDS):

Based on drizzled F606W and F814W images, we present quantitative structural parameters in the V-band rest-frame for all galaxies with z < 1 and I814(AB) < 24.5 mag in the Hubble Deep Fields North and South. Our structural parameters are based on a two-component surface brightness distribution using a Sérsic bulge and an exponential disc. Detailed simulations and comparisons with previous work are presented. The luminosity-size distribution of early-type galaxies is consistent with the hypothesis that their structural properties were already in place by z∼ 1 and have evolved passively since then; early-type galaxies were ∼1.35(±0.1) mag brighter in rest-frame V-band luminosity at z∼ 0.7 than now. Compared with present-day late-type galaxies, those at z∼ 0.7 with LV > 0.2x1010 h–2L☉show a moderate decrease [∼30(±10) per cent] in size [or interpreted differently, a decrease of ∼0.77(±0.30) mag in the central surface brightness] at a given luminosity. Finally, we make a comparison of our results with the infall and hierarchical models.

Abstract Copyright: 2004 RAS

Journal keyword(s): galaxies: distances and redshifts - galaxies: evolution - galaxies: fundamental parameters - galaxies: photometry

VizieR on-line data: <Available at CDS (J/MNRAS/355/82): table2.dat>

Simbad objects: 225

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