Stellar mass
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MESA ISOCHRONES AND STELLAR TRACKS (MIST) 0: METHODS FOR THE CONSTRUCTION OF STELLAR ISOCHRONES Open
I describe a method to transform a set of stellar evolution tracks onto a uniform basis and then interpolate within that basis to construct stellar isochrones. This method accommodates a broad range of stellar types, from substellar object…
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First results from the IllustrisTNG simulations: matter and galaxy clustering Open
Hydrodynamical simulations of galaxy formation have now reached sufficient volume to make precision predictions for clustering on cosmologically relevant scales. Here, we use our new IllustrisTNG simulations to study the non-linear correla…
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First results from the IllustrisTNG simulations: the stellar mass content of groups and clusters of galaxies Open
The IllustrisTNG project is a new suite of cosmological magnetohydrodynamical simulations of galaxy formation performed with the arepo code and updated models for feedback physics. Here, we introduce the first two simulations of the series…
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UniverseMachine: The correlation between galaxy growth and dark matter halo assembly from z = 0−10 Open
We present a method to flexibly and self-consistently determine individual galaxies’ star formation rates (SFRs) from their host haloes’ potential well depths, assembly histories, and redshifts. The method is constrained by galaxies’ obser…
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THE COSMOS2015 CATALOG: EXPLORING THE 1 < z < 6 UNIVERSE WITH HALF A MILLION GALAXIES Open
We present the COSMOS2015 24 catalog, which contains precise photometric redshifts and stellar masses for more than half a million objects over the 2deg 2 COSMOS field. Including new images from the UltraVISTA-DR2 survey, Y-band images fro…
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simba: Cosmological simulations with black hole growth and feedback Open
We introduce the simba simulations, the next generation of the MUFASA cosmological galaxy formation simulations run with GIZMO’s meshless finite mass hydrodynamics. SIMBA includes updates to MUFASA’s sub-resolution star formation and feedb…
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Co-formation of the disc and the stellar halo★ Open
Using a large sample of Main Sequence stars with 7-D measurements supplied by\nGaia and SDSS, we study the kinematic properties of the local (within ~10 kpc\nfrom the Sun) stellar halo. We demonstrate that the halo's velocity ellipsoid\nev…
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First results from the TNG50 simulation: galactic outflows driven by supernovae and black hole feedback Open
We present the new TNG50 cosmological, magnetohydrodynamical simulation – the third and final volume of the IllustrisTNG project. This simulation occupies a unique combination of large volume and high resolution, with a 50 Mpc box sampled …
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Comprehensive analytic formulae for stellar evolution as a function of mass and metallicity Open
We present analytic formulae that approximate the evolution of stars for a wide range of mass M and metallicity Z. Stellar luminosity, radius and core mass are given as a function of age, M and Z, for all phases from the zero-age main sequ…
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First results from the TNG50 simulation: the evolution of stellar and gaseous discs across cosmic time Open
We present a new cosmological, magnetohydrodynamical simulation for galaxy formation: TNG50, the third and final instalment of the IllustrisTNG project. TNG50 evolves 2 × 21603 dark matter particles and gas cells in a volume 50 comoving Mp…
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Inferring the star formation histories of massive quiescent galaxies with bagpipes: evidence for multiple quenching mechanisms Open
We present Bayesian Analysis of Galaxies for Physical Inference and Parameter\nEStimation, or BAGPIPES, a new Python tool which can be used to rapidly\ngenerate complex model galaxy spectra and to fit these to arbitrary\ncombinations of sp…
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Overview Of The SDSS-IV Manga Survey: Mapping Nearby Galaxies At Apache Point Observatory Open
We present an overview of a new integral field spectroscopic survey called MaNGA (Mapping Nearby Galaxies at Apache Point Observatory), one of three core programs in the fourth-generation Sloan Digital Sky Survey (SDSS-IV) that began on 20…
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Accretion onto Pre-Main-Sequence Stars Open
Accretion through circumstellar disks plays an important role in star formation and in establishing the properties of the regions in which planets form and migrate. The mechanisms by which protostellar and protoplanetary disks accrete onto…
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Binary black hole mergers from globular clusters: Masses, merger rates, and the impact of stellar evolution Open
The recent discovery of GW150914, the binary black hole merger detected by Advanced LIGO, has the potential to revolutionize observational astrophysics. But to fully utilize this new window into the universe, we must compare these new obse…
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AGN wind scaling relations and the co-evolution of black holes and galaxies Open
Context. Feedback from accreting supermassive black holes (SMBHs) is often identified as the main mechanism responsible for regulating star formation in active galactic nucleus (AGN) host galaxies. However, the relationships between AGN ac…
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Re-evaluating old stellar populations Open
Determining the properties of old stellar populations (those with age >1 Gyr) has long involved the comparison of their integrated light, either in the form of photometry or spectroscopic indexes, with empirical or synthetic templates. Her…
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Assisted inspirals of stellar mass black holes embedded in AGN discs: solving the ‘final au problem’ Open
We explore the evolution of stellar mass black hole binaries (BHBs) which are\nformed in the self-gravitating disks of active galactic nuclei (AGN). Hardening\ndue to three-body scattering and gaseous drag are effective mechanisms that\nre…
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ISM MASSES AND THE STAR FORMATION LAW AT Z = 1 TO 6: ALMA OBSERVATIONS OF DUST CONTINUUM IN 145 GALAXIES IN THE COSMOS SURVEY FIELD Open
ALMA Cycle 2 observations of long-wavelength dust emission in 145 star-forming galaxies are used to probe the evolution of the star-forming interstellar medium (ISM). We also develop a physical basis and empirical calibration (with 72 low-…
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The stellar mass assembly of galaxies in the Illustris simulation: growth by mergers and the spatial distribution of accreted stars Open
We use the Illustris simulation to study the relative contributions of in situ star formation and stellar accretion to the build-up of galaxies over an unprecedentedly wide range of masses (M* = 109-1012 M⊙), galaxy types, environments, an…
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X-shooter spectroscopy of young stellar objects in Lupus Open
The mass accretion rate, Ṁacc, is a key quantity for the understanding of the physical processes governing the evolution of accretion discs around young low-mass (M⋆ ≲ 2.0 M⊙) stars and substellar objects (YSOs). We present here the result…
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Supermassive black holes and their feedback effects in the IllustrisTNG simulation Open
We study the population of supermassive black holes (SMBHs) and their effects\non massive central galaxies in the IllustrisTNG cosmological hydrodynamical\nsimulations of galaxy formation. The employed model for SMBH growth and\nfeedback a…
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THE MASS–METALLICITY RELATION FOR GIANT PLANETS Open
Exoplanet discoveries of recent years have provided a great deal of new data for studying the bulk compositions of giant planets. Here we identify 47 transiting giant planets (20 M ⊕ 50 M ⊕ ) suggest significant amounts of heavy elements i…
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emerge – an empirical model for the formation of galaxies since z ∼ 10 Open
We present EMERGE, an Empirical ModEl for the foRmation of GalaxiEs,\ndescribing the evolution of individual galaxies in large volumes from $z\\sim10$\nto the present day. We assign a star formation rate to each dark matter halo\nbased on …
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A unified multiwavelength model of galaxy formation Open
We present a new version of the GALFORM semi-analytical model of galaxy\nformation. This brings together several previous developments of GALFORM into a\nsingle unified model, including a different initial mass function (IMF) in\nquiescent…
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The COSMOS2015 galaxy stellar mass function Open
We measure the stellar mass function (SMF) and stellar mass density of galaxies in the COSMOS field up to z ~ 6. We select them in the near-IR bands of the COSMOS2015 catalogue, which includes ultra-deep photometry from UltraVISTA-DR2, SPL…
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xGASS: total cold gas scaling relations and molecular-to-atomic gas ratios of galaxies in the local Universe Open
We present the extended GALEX Arecibo SDSS Survey (xGASS), a gas fraction-limited censusof the atomic hydrogen (H I) gas content of 1179 galaxies selected only by stellar mass (M* = 109-1011.5 Mo˙) and redshift (0.01
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A deep ALMA image of the<i>Hubble Ultra Deep Field</i> Open
This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society, © : 2016, J.S. Dunlop, et al, MNRAS (April 1, 2017) 466 (1): 861-883, first published online November 30, 2016, by Oxford University Press…
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Unresolved stellar companions with <i>Gaia</i> DR2 astrometry Open
For stars with unresolved companions, motions of the centre of light and that of mass decouple, causing a single-source astrometric model to perform poorly. We show that such stars can be easily detected with the reduced χ2 statistic, or r…
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The mass–metallicity and the fundamental metallicity relation revisited on a fully <i>T</i>e-based abundance scale for galaxies Open
The relationships between stellar mass, gas-phase metallicity and star-formation rate (i.e. the mass–metallicity, MZR, and the fundamental metallicity relation, FMR) in the local Universe are revisited by fully anchoring the metallicity de…
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The confinement of star-forming galaxies into a main sequence through episodes of gas compaction, depletion and replenishment Open
Using cosmological simulations, we address the properties of high-redshift\nstar-forming galaxies (SFGs) across their main sequence (MS) in the plane of\nstar-formation rate (SFR) versus stellar mass. We relate them to the evolution\nof ga…