Gabriella De Lucia

Evolution of the Early-Type Galaxy Fraction in Clusters since z = 0.8 (2009)

Simard, Luc, Clowe, Douglas, Desai, Vandana, Dalcanton, Julianne J., Von Der Linden, Anja, Poggianti, Bianca M., ...

We study the morphological content of a large sample of high-redshift clusters to determine its dependence on cluster mass and redshift. Quantitative morphologies are based on bulge+disk...

On the nature of the Milky Way satellites (2009)

Li, Yang-Shyang, De Lucia, Gabriella, Helmi, Amina

We combine a series of high-resolution simulations with semi-analytic galaxy formation models to follow the evolution of a system resembling the Milky Way and its satellites. The semi-analytic model...

On the role of the post-starburst phase in the build-up of the red-sequence of intermediate redshift clusters (2009)

De Lucia, Gabriella, Poggianti, Bianca M., Halliday, Claire, Milvang-Jensen, Bo, Noll, Stefan, Smail, Ian, ...

We present new deep spectroscopic observations of 0.05--0.5 L_* galaxies in one cluster (cl1232.5-1250) drawn from the ESO Distant Cluster Survey (EDisCS) sample, at z = 0.54. The new data extend the...

The Rest-Frame Optical Luminosity Function of Cluster Galaxies at z (2009)

Rudnick, Gregory, Von Der Linden, Anja, Pello, Roser, Aragon-Salamanca, Alfonso, Marchesini, Danilo, Clowe, Douglas, ...

We present the rest-frame optical luminosity function (LF) of red sequence galaxies in 16 clusters at 0.4

The ESO Distant Cluster Sample: galaxy evolution and environment out to z=1 (2009)

Poggianti, Bianca M., Aragon-Salamanca, Alfonso, Bamford, Steven, Barazza, Fabio, Best, Philip, Clowe, Douglas, ...

The ESO Distant Cluster Survey (EDisCS, P.I. Simon D.M. White, LP 166.A-0162) is an ESO large programme aimed at studying clusters and cluster galaxies at z=0.4-1. How different is the evolution of...

"Ab initio" models of galaxy formation: successes and open problems (2009)

De Lucia, Gabriella

In the past decades, different approaches have been developed in order to link the physical properties of galaxies to the dark matter haloes in which they reside. In this review, I give a brief...

Frequency and properties of bars in cluster and field galaxies at intermediate redshifts (2009)

Barazza, Fabio D., Jablonka, Pascale, Desai, Vandana, Jogee, Shardha, Aragon-Salamanca, Alfonso, De Lucia, Gabriella, ...

We present a study of large-scale bars in field and cluster environments out to redshifts of ~0.8 using a final sample of 945 moderately inclined disk galaxies drawn from the EDisCS project. We...

The Many Manifestations of Downsizing: Hierarchical Galaxy Formation Models confront Observations (2009)

Fontanot, Fabio, De Lucia, Gabriella, Monaco, Pierluigi, Somerville, Rachel S., Santini, Paola

[abridged] It has been widely claimed that several lines of observational evidence point towards a "downsizing" (DS) of the process of galaxy formation over cosmic time. This behavior is sometimes...

Simulation of the cosmic evolution of atomic and molecular hydrogen in galaxies (2009)

Obreschkow, Danail, Croton, D., De Lucia, Gabriella, Khochfar, S., Rawlings, S.

We present a simulation of the cosmic evolution of the atomic and molecular phases of the cold hydrogen gas in about 3 x 10(7) galaxies, obtained by postprocessing the virtual galaxy catalog produced...

Simulation of the cosmic evolution of atomic and molecular hydrogen in galaxies (2009)

Obreschkow, Danail, Croton, D., De Lucia, Gabriella, Khochfar, S., Rawlings, S.

We present a simulation of the cosmic evolution of the atomic and molecular phases of the cold hydrogen gas in about 3 x 10(7) galaxies, obtained by postprocessing the virtual galaxy catalog produced...

Quenching of Star Formation (2008)

Wild, Vivienne, Budavari, Tamas, Blaizot, Jeremy, Walcher, C. Jakob, Johansson, Peter H., Lemson, Gerard, ...

In the last decade we have seen an enormous increase in the size and quality of spectroscopic galaxy surveys, both at low and high redshift. New statistical techniques to analyse large portions of...

The environments of starburst and post-starburst galaxies at z=0.4-0.8 (2008)

Poggianti, Bianca M., Aragon-Salamanca, Alfonso, Zaritsky, Dennis, De Lucia, Gabriella, Milvang-Jensen, Bo, Desai, Vandana, ...

Post-starburst (E+A or k+a) spectra, characterized by their exceptionally strong Balmer lines in absorption and the lack of emission lines, belong to galaxies in which the star formation activity...

LCDM predictions for galaxy protoclusters I: the relation between galaxies, protoclusters and quasars at z~6 (2008)

Overzier, Roderik, Guo, Qi, Kauffmann, Guinevere, De Lucia, Gabriella, Bouwens, Rychard, Lemson, Gerard

Motivated by recent observational studies of the environment of z~6 QSOs, we have used the Millennium Run (MR) simulations to construct a very large (~20 deg^2) mock redshift survey of star-forming...

On the common mass scale of the Milky Way satellites (2008)

Li, Yang-Shyang, Helmi, Amina, De Lucia, Gabriella, Stoehr, Felix

We use a hybrid approach that combines high-resolution simulations of the formation of a Milky Way-like halo with a semi-analytic model of galaxy formation to study the mass content of dwarf galaxies...

The relation between star formation, morphology, and local density in high-redshift clusters and groups (2008)

Poggianti, Bianca M., Desai, Vandana, Finn, Rose, Bamford, Steven, De Lucia, Gabriella, Varela, Jesus, ...

We investigate how the [O II] properties and the morphologies of galaxies in clusters and groups at z = 0.4–0.8 depend on projected local galaxy density, and compare with the field at similar...

The Galaxy and its stellar halo - insights from a hybrid cosmological approach (2008)

De Lucia, Gabriella, Helmi, Amina

We use a series of high-resolution N-body simulations of a `Milky-Way' halo, coupled to semi-analytic techniques, to study the formation of our own Galaxy and of its stellar halo. Our model Milky Way...

Milky Way type galaxies in a LCDM cosmology (2008)

De Rossi, Maria E., Tissera, Patricia B., De Lucia, Gabriella, Kauffmann, Guinevere

We analyse a sample of 52,000 Milky Way (MW) type galaxies drawn from the publicly available galaxy catalogue of the Millennium Simulation with the aim of studying statistically the differences and...

The relation between star formation, morphology and local density in high redshift clusters and groups (2008)

Poggianti, Bianca M., Desai, Vandana, Finn, Rose, Bamford, Steven, De Lucia, Gabriella, Varela, Jesus, ...

We investigate how the [OII] properties and the morphologies of galaxies in clusters and groups at z=0.4-0.8 depend on projected local galaxy density, and compare with the field at similar redshifts...

The Galaxy and its stellar halo: insights on their formation from a hybrid cosmological approach (2008)

De Lucia, Gabriella, Helmi, Amina

We use a series of high-resolution simulations of a `Milky-Way' halo coupled to semi-analytic methods to study the formation of our own Galaxy and of its stellar halo. The physical properties of our...

The evolution of the colour-magnitude relation and of the star formation activity in galaxy clusters since z~0.8 (2008)

De Lucia, Gabriella, Poggianti, Bianca M.

We present recent results on the evolution of the colour-magnitude relation and of the star formation activity in galaxy clusters since z~0.8. Results are based on the ESO Distant Cluster Survey...

Spectroscopy of clusters in the ESO distant cluster survey (EDisCS).II. Redshifts, velocity dispersions, and substructure for clusters in the last 15 fields (2008)

Milvang-Jensen, Bo, Noll, Stefan, Halliday, Claire, Poggianti, Bianca M., Jablonka, Pascale, Aragon-Salamanca, Alfonso, ...

AIMS. We present spectroscopic observations of galaxies in 15 survey fields as part of the ESO Distant Cluster Survey (EDisCS). We determine the redshifts and velocity dispersions of the galaxy...

Realistic simulations of gravitational lensing by galaxy clusters: extracting arc parameters from mock DUNE images (2007)

Meneghetti, Massimo, Melchior, Peter, Grazian, Andrea, De Lucia, Gabriella, Dolag, Klaus, Bartelmann, Matthias, ...

We present a newly developed code that allows simulations of optical observations of galaxy fields with a variety of instruments. The code incorporates gravitational lensing effects and is targetted...

The Dependence of Galaxy Formation on Cosmological Parameters: Can we distinguish the WMAP1 and WMAP3 Parameter Sets? (2007)

Wang, Jie, De Lucia, Gabriella, Kitzbichler, Manfred G., White, Simon D. M.

We combine N-body simulations of structure growth with physical modelling of galaxy evolution to investigate whether the shift in cosmological parameters between the 1-year and 3-year results from...

Modelling and interpreting the dependence of clustering on the spectral energy distributions of galaxies (2007)

Wang, Lan, Li, Cheng, Kauffmann, Guinevere, De Lucia, Gabriella

We extend our previous physically-based halo occupation distribution models to include the dependence of clustering on the spectral energy distributions of galaxies. The high resolution Millennium...

The recycling of gas and metals in galaxy formation: predictions of a dynamical feedback model (2007)

Bertone, Serena, De Lucia, Gabriella, Thomas, Peter A.

We present results of a new feedback scheme implemented in the Munich galaxy formation model. The new scheme includes a dynamical treatment of galactic winds powered by supernovae explosions and...

How `heredity' and `environment' shape galaxy properties (2006)

De Lucia, Gabriella

In this review, I give a brief summary of galaxy evolution processes in hierarchical cosmologies and of their relative importance at different masses, times, and environments. I remind the reader of...

The build-up of the colour-magnitude relation in galaxy clusters since z~0.8 (2006)

De Lucia, Gabriella, Poggianti, Bianca M., Aragon-Salamanca, Alfonso, White, Simon D. M., Zaritsky, Dennis, Clowe, Douglas, ...

Using galaxy clusters from the ESO Distant Cluster Survey, we study how the distribution of galaxies along the colour-magnitude relation has evolved since z~0.8. While red-sequence galaxies in all...

The hierarchical formation of the brightest cluster galaxies (2006)

De Lucia, Gabriella, Blaizot, Jeremy

We use semi-analytic techniques to study the formation and evolution of brightest cluster galaxies (BCGs). We show the extreme hierarchical nature of these objects and discuss the limits of simple...

Substructure in lensing clusters and simulations (2006)

Natarajan, Priyamvada, De Lucia, Gabriella, Springel, Volker

We present high-resolution mass reconstructions for five massive cluster-lenses spanning a redshift range from $z = 0.18$--0.57 utilising archival {\it Hubble Space Telescope} ({\it HST}) data and...

Modelling galaxy clustering in a high resolution simulation of structure formation (2006)

Wang, Lan, Li, Cheng, Kauffmann, Guinevere, De Lucia, Gabriella

We use the Millennium Simulation, a 10 billion particle simulation of the growth of cosmic structure, to construct a new model of galaxy clustering. We adopt a methodology that falls midway between...

Gas Infall and Stochastic Star Formation in Galaxies in the Local Universe (2005)

Kauffmann, Guinevere, Heckman, Timothy M., De Lucia, Gabriella, Brinchmann, Jarle, Charlot, Stephane, Tremonti, Christy, ...

We study the recent star formation histories of local galaxies by analyzing the scatter in their colours and spectral properties. We present evidence that the distribution of star formation histories...

The formation history of elliptical galaxies (2005)

De Lucia, Gabriella, Springel, Volker, White, Simon D. M., Croton, Darren, Kauffmann, Guinevere

We take advantage of the largest high-resolution simulation of cosmic structure growth ever carried out -- the Millennium Simulation of the concordance LambdaCDM cosmogony -- to study how the star...

Evolution of Galaxies in Clusters (2004)

De Lucia, Gabriella

In dieser Doktorarbeit studiere ich die Entstehung und Entwicklung von Galaxien in Galaxienhaufen sowohl theoretisch als auch unter Einbeziehung von Beobachtungsdaten. Diese Doktorarbeit gliedert...

Evolution of Galaxies in Clusters (2004)

De Lucia, Gabriella

In dieser Doktorarbeit studiere ich die Entstehung und Entwicklung von Galaxien in Galaxienhaufen sowohl theoretisch als auch unter Einbeziehung von Beobachtungsdaten. Diese Doktorarbeit gliedert...

Galaxies and subhaloes in LCDM galaxy clusters (2004)

Gao, Liang, De Lucia, Gabriella, White, Simon D. M., Jenkins, Adrian

We combine 10 high resolution resimulations of cluster--sized dark haloes with semi--analytic galaxy formation modelling in order to compare the number density and velocity dispersion profiles of...

Evolution of galaxies in clusters / (2004)

De Lucia, Gabriella.

München, University, Diss., 2004 (Nicht für den Austausch).

Chemical enrichment of the intra-cluster and intergalactic medium in a hierarchical galaxy formation model (2003)

De Lucia, Gabriella, Kauffmann, Guinevere, White, Simon D. M.

(Abridged) We use a combination of high resolution N-body simulations and semi-analytic techniques to follow the formation, the evolution and the chemical enrichment of cluster galaxies in a...

Evolution of galaxies in clusters: semi-analytic models and observations (2003)

De Lucia, Gabriella, Kauffmann, Guinevere, White, Simon D. M.

We present two different projects. The first one is related to the development of a semi-analytic model to follow the formation, the evolution and chemical enrichment of cluster galaxies in a...

Substructures in cold dark matter halos Elektronische Daten (2003)

De Lucia, Gabriella, Kauffmann, G., White, S.D.M., Springel, V., Lanzoni, B., ...

Poster von Kongress: Star and Structure Formation: From First Light to the Milky Way, Astrophysics Conference, August 18-22, 2003, ETH Zurich, Switzerland

Chemical enrichment of the ICM in a hierarchical merger model Elektronische Daten (2003)

De Lucia, Gabriella, Astrophysics Conference

Poster von Kongress: Star and Structure Formation: From First Light to the Milky Way, Astrophysics Conference, August 18-22, 2003, ETH Zurich, Switzerland