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We investigate the contribution of star formation to the growth of stellar mass in galaxies over the redshift range 0.5 < z < 1.1 by studying the redshift evolution of the specific star formation rate (SSFR), defined as the star formation…

Astrophysics · Physics 2009-09-01 Georg Feulner , Yuliana Goranova , Niv Drory , Ulrich Hopp , Ralf Bender

The evolution of masses and sizes of passive (early-type) galaxies with redshift provides ideal constraints to galaxy formation models. These parameters can in principle be obtained for large galaxy samples from multi-band photometry alone.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Michele Cappellari

Modelling the molecular gas that is routinely detected through CO observations of high-redshift galaxies constitutes a major challenge for ab initio simulations of galaxy formation. We carry out a suite of cosmological hydrodynamic…

Astrophysics of Galaxies · Physics 2020-09-04 Alexander Schäbe , Emilio Romano-Díaz , Cristiano Porciani , Aaron D. Ludlow , Matteo Tomassetti

We study the observational constraints on the cosmic evolution of the relationships between the massive black hole (MBH) mass (M_bh) and the stellar mass (M^*_sph; or velocity dispersion \sigma) of the host galaxy/spheroid. Assuming that…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Xiaoxia Zhang , Youjun Lu , Qingjuan Yu

We examine the present-day total stellar-to-halo mass (SHM) ratio as a function of halo mass for a new sample of simulated field galaxies using fully cosmological, LCDM, high resolution SPH + N-Body simulations.These simulations include an…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Ferah Munshi , F. Governato , A. M. Brooks , C. Christensen , S. Shen , S. Loebman , B. Moster , T. Quinn , J. Wadsley

We examine the growth of the stellar content of galaxies from z=3-0 in cosmological hydrodynamic simulations incorporating parameterised galactic outflows. Without outflows, galaxies overproduce stellar masses (M*) and star formation rates…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Romeel Davé , Benjamin D. Oppenheimer , Kristian Finlator

We exploit the first public data release of VIPERS to investigate environmental effects in galaxy evolution between $z\sim0.5$ and $0.9$. The large number of spectroscopic redshifts over an area of about $10\,\mathrm{deg}^2$ provides a…

The amount of evolution in the dust content of galaxies over the past five billion years of cosmic history is contested in the literature. Here we present a far-infrared census of dust based on a sample of 29,241 galaxies with redshifts…

Astrophysics of Galaxies · Physics 2024-11-08 R A Beeston , H L Gomez , L Dunne , S Maddox , S A Eales , M W L Smith

We present the redshift evolution of radial color gradients (in rest-frame ${\textit{U}} - {\textit{V}}$ and ${\textit{V}} - {\textit{J}}$) for galaxies in the range $0.5<$ z $<2.5$ and investigate their origin and dependence on stellar…

JWST observations have revealed a population of galaxies bright enough that potentially challenge standard galaxy formation models in the $\Lambda$CDM cosmology. Using a minimal empirical framework, we investigate the influence of…

Astrophysics of Galaxies · Physics 2023-08-30 Xuejian Shen , Mark Vogelsberger , Michael Boylan-Kolchin , Sandro Tacchella , Rahul Kannan

We measured evolution of the $K$-band luminosity function and stellar mass function for red and blue galaxies at $z<1.2$ using a sample of 353 594 $I<24$ galaxies in 8.26 square degrees of Bo\"otes. We addressed several sources of…

Astrophysics of Galaxies · Physics 2019-03-13 Richard Beare , Michael Brown , Kevin Pimbblet , Edward Taylor

We explore the implications for the high redshift universe of ``state-of-the-art'' models for the chemical and spectrophotometric evolution of spiral galaxies. The models are based on simple ``scaling relations'' for discs, obtained in the…

Astrophysics · Physics 2009-11-06 S. Boissier , N. Prantzos

The number of galaxies at a given flux as a function of the redshift, $z$, is derived when the $z$-distance relation is non-standard. In order to compare different models, the same formalism is also applied to the standard cosmology. The…

Cosmology and Nongalactic Astrophysics · Physics 2015-09-07 L. Zaninetti

We present a study on the clustering of a stellar mass selected sample of galaxies with stellar masses M*>10^10Msol at redshifts 0.4<z<2.0, taken from the Palomar Observatory Wide-field Infrared Survey. We examine the clustering properties…

Cosmology and Nongalactic Astrophysics · Physics 2016-11-25 Sebastien Foucaud , Christopher J. Conselice

We present constraints on the stellar-mass distribution of distant galaxies. These stellar-mass estimates derive from fitting population-synthesis models to the galaxies' observed multi-band spectrophotometry. We discuss the complex…

Astrophysics · Physics 2009-11-07 Casey Papovich , Mark Dickinson , Harry Ferguson

We study the growth of massive galaxies from z=2 to the present using data from the NEWFIRM Medium Band Survey. The sample is selected at a constant number density of n=2x10^-4 Mpc^-3, so that galaxies at different epochs can be compared in…

We have investigated the dependence of galaxy clustering on their stellar mass at z~1, using the data from the VIMOS-VLT Deep Survey (VVDS). We have measured the projected two-point correlation function of galaxies, wp(rp) for a set of…

We study the effects of galaxy environment on the evolution of the stellar-mass function (SMF) over 0.2 < z < 2.0 using the FourStar Galaxy Evolution (ZFOURGE) survey and NEWFIRM Medium-Band Survey (NMBS) down to the stellar-mass…

We constrain the evolution of the galaxy mass and luminosity functions from the analysis of (public) multi-wavelength data in the Chandra Deep Field South (CDFS) area, obtained from the GOODS and other projects, and including very deep…

There is a severe tension between the observed star formation rate (SFR) - stellar mass (${\rm M}_{\star}$) relations reported by different authors at $z = 1-4$. In addition, the observations have not been successfully reproduced by…

Astrophysics of Galaxies · Physics 2020-01-29 A. Katsianis , V Gonzalez , D. Barrientos , X. Yang , C. D. P. Lagos , J. Schaye , P. Camps , A. Trčka , M. Baes , M. Stalevski , G. A. Blanc , T. Theuns