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Local supermassive black holes, relics of active galactic nuclei and the X-ray background
We quantify the importance of mass accretion during AGN phases in the growth of supermassive black holes (BH) by comparing the mass function of black holes in the local universe with that expectedExpand
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AMAZE - I. The evolution of the mass–metallicity relation at z $>$ 3
We present initial results of an ESO-VLT large programme (AMAZE) aimed at determining the evolution of the mass-metallicity relation at z > 3 by means of deep near-IR spectroscopy. Gas metallicitiesExpand
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A fundamental relation between mass, SFR and metallicity in local and high redshift galaxies
We show that the mass-metallicity relation observed in the local universe is due to a more general relation between stellar mass M*, gas-phase metallicity and SFR. Local galaxies define a tightExpand
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The Supernova rate per unit mass
We compute the rate of supernovae (SNe) of different types along the Hubble sequence normalized to the near- infrared luminosity and to the stellar mass of the parent galaxies. This is made possibleExpand
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LSD: Lyman-break galaxies Stellar populations and Dynamics – I. Mass, metallicity and gas at z∼ 3.1
We present the first results of a project, Lyman-break galaxies Stellar populations and Dynamics (LSD), aimed at obtaining spatially resolved, near-infrared (IR) spectroscopy of a complete sample ofExpand
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THE DISTRIBUTION OF ABSORBING COLUMN DENSITIES AMONG SEYFERT 2 GALAXIES
We use hard X-ray data for an "optimal" sample of Seyfert 2 galaxies to derive the distribution of the gaseous absorbing column densities among obscured active nuclei in the local universe. Of allExpand
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The Lesser Role of Starbursts in Star Formation at z = 2
Two main modes of star formation are know to control the growth of galaxies: a relatively steady one in disk-like galaxies, defining a tight star formation rate (SFR)-stellar mass sequence, and aExpand
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Gas metallicity diagnostics in star-forming galaxies
Generally the gas metallicity in distant galaxies can only be inferred by using a few prominent emission lines. Various theoretical models have been used to predict the relationship between emissionExpand
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On Star Formation Rates and Star Formation Histories of Galaxies Out to z ~ 3
We compare multi-wavelength star formation rate (SFR) indicators out to z ~ 3 in the GOODS-South field. Our analysis uniquely combines U to 8 μm photometry from FIREWORKS, MIPS 24 μm and PACS 70,Expand
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Dust in active nuclei. I. evidence for anomalous properties
We present observational evidences that dust in the circumnuclear region of AGNs has different properties than in the Galactic diffuse interstellar medium. By comparing the reddening of optical andExpand
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