Semi-analytic galaxy evolution (SAGE): model calibration and basic results

DJ Croton, ARH Stevens, C Tonini… - The Astrophysical …, 2016 - iopscience.iop.org
This paper describes a new publicly available codebase for modeling galaxy formation in a
cosmological context, the" Semi-Analytic Galaxy Evolution" model, or sage for short. 5 sage …

Building disc structure and galaxy properties through angular momentum: the Dark Sage semi-analytic model

ARH Stevens, DJ Croton… - Monthly Notices of the …, 2016 - academic.oup.com
We present the new semi-analytic model of galaxy evolution, Dark Sage, a heavily modified
version of the publicly available sage code. The model is designed for detailed evolution of …

Non-parametric analysis of the rest-frame UV sizes and morphological disturbance amongst L* galaxies at 4 < z < 8

E Curtis-Lake, RJ McLure, JS Dunlop… - Monthly Notices of …, 2016 - academic.oup.com
We present the results of a study investigating the sizes and morphologies of redshift 4< z< 8
galaxies in the CANDELS (Cosmic Assembly Near-infrared Deep Extragalactic Legacy …

Chemoarchaeological downsizing in a hierarchical universe: impact of a top-heavy IGIMF

ID Gargiulo, SA Cora, ND Padilla… - Monthly Notices of …, 2015 - academic.oup.com
We make use of a semi-analytical model of galaxy formation to investigate the origin of the
observed correlation between [α/Fe] abundance ratios and stellar mass in elliptical galaxies …

The slight spin of the old stellar halo

AJ Deason, V Belokurov, SE Koposov… - Monthly Notices of …, 2017 - academic.oup.com
We combine Gaia data release 1 astrometry with Sloan Digital Sky Survey (SDSS) images
taken some∼ 10–15 years earlier, to measure proper motions of stars in the halo of our …

nIFTy cosmology: comparison of galaxy formation models

A Knebe, FR Pearce, PA Thomas… - Monthly Notices of …, 2015 - academic.oup.com
We present a comparison of 14 galaxy formation models: 12 different semi-analytical models
and 2 halo occupation distribution models for galaxy formation based upon the same …

Angular momentum evolution for galaxies in a Λ-CDM scenario

SE Pedrosa, PB Tissera - Astronomy & Astrophysics, 2015 - aanda.org
Context. Galaxy formation in the current cosmological paradigm is a very complex process in
which inflows, outflows, interactions, and mergers are common events. These processes can …

How to get cool in the heat: comparing analytic models of hot, cold and cooling gas in haloes and galaxies with EAGLE

ARH Stevens, CP Lagos, S Contreras… - Monthly Notices of …, 2017 - academic.oup.com
We use the hydrodynamic, cosmological EAGLE simulations to investigate how the hot gas
in haloes condenses to form and grow galaxies. We select haloes from the simulations that …

Calibration of semi-analytic models of galaxy formation using particle swarm optimization

AN Ruiz, SA Cora, ND Padilla… - The Astrophysical …, 2015 - iopscience.iop.org
We present a fast and accurate method to select an optimal set of parameters in semi-
analytic models of galaxy formation and evolution (SAMs). Our approach compares the …

The origin of the atomic and molecular gas contents of early-type galaxies–II. Misaligned gas accretion

CP Lagos, ND Padilla, TA Davis… - Monthly Notices of …, 2015 - academic.oup.com
We study the origin of the wide distribution of angles between the angular momenta of the
stellar and gas components, αG, S, in early-type galaxies (ETGs). We use the GALFORM …