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Browsing by Author "Taylor, Philip"
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The absence of an environmental dependence in the mass-metallicity relation at z = 2
Kacprzak, Glenn G.; Yuan, Tiantian; Nanayakkara, Themiya; Kobayashi, Chiaki; Tran, Kim V. Y. H.; Kewley, Lisa J.; Glazebrook, Karl; Spitler, Lee; Taylor, Philip; Cowley, Michael; Labbe, Ivo; Straatman, Caroline; Tomczak, Adam (2015-04-02)We investigate the environmental dependence of the mass-metallicity relation at z = 2 with MOSFIRE/Keck as part of the ZFIRE survey. Here, we present the chemical abundance of a Virgo-like progenitor at z = 2.095 that has ... -
Chemo-Dynamical Evolution of Galaxies
Kobayashi, Chiaki; Taylor, Philip (Springer Nature, 2023-02-17)Stars are fossils that retain the history of their host galaxies. Elements heavier than helium are created inside stars and are ejected when they die. From the spatial distribution of elements in galaxies, it is therefore ... -
Cosmic Rates of Black Hole Mergers and Pair-Instability Supernovae from Chemically Homogeneous Binary Evolution
Buisson, Lise du; Marchant, Pablo; Podsiadlowski, Philipp; Kobayashi, Chiaki; Abdalla, Filipe B.; Taylor, Philip; Mandel, Ilya; Mink, Selma E. de; Moriya, Takashi J.; Langer, Norbert (2020-10-16)During the first three observing runs of the Advanced gravitational-wave detector network, the LIGO/Virgo collaboration detected several black hole binary (BHBH) mergers. As the population of detected BHBH mergers grows, ... -
Cosmological Simulations with AGN Feedback
Taylor, Philip (2016-02-22)We implement a model for, and study the effects of, AGN feedback in cosmological hydrodynamical simulations. In our model, black holes form high-density, primordial gas, to imitate the likely channels of black hole formation ... -
The effects of AGN feedback on present-day galaxy properties in cosmological simulations
Taylor, Philip; Kobayashi, Chiaki (2015-04-01)We show that feedback from active galactic nuclei (AGN) plays an essential role in reproducing the down-sizing phenomena, namely: the colour–magnitude relation; specific star formation rates; and the α enhancement of ... -
The Metallicity and Elemental Abundance Gradients of Simulated Galaxies, and their Environmental Dependence
Taylor, Philip; Kobayashi, Chiaki (2017-11-11)The internal distribution of heavy elements, in particular the radial metallicity gradient, offers insight into the merging history of galaxies. Using our cosmological, chemodynamical simulations that include both detailed ... -
The metallicity and elemental abundance maps of kinematically atypical galaxies for constraining minor merger and accretion histories
Taylor, Philip; Kobayashi, Chiaki; Federrath, Christoph (2019-03-06)Explaining the internal distribution and motions of stars and gas in galaxies is a key aspect in understanding their evolution. In previous work we identified five well-resolved galaxies with atypical kinematics from a ... -
On the [α/Fe]-[Fe/H] relations in early-type galaxies
Vincenzo, Fiorenzo; Kobayashi, Chiaki; Taylor, Philip (2018-10-01)We study how the predicted [α/Fe]-[Fe/H] relations in early-type galaxies vary as functions of their stellar masses, ages, and stellar velocity dispersions, by making use of cosmological chemodynamical simulations with ... -
The origin of kinematically distinct cores and misaligned gas discs in galaxies from cosmological simulations
Taylor, Philip; Federrath, Christoph; Kobayashi, Chiaki (2018-09-01)Integral field spectroscopy surveys provide spatially resolved gas and stellar kinematics of galaxies. They have unveiled a range of atypical kinematic phenomena, which require detailed modelling to understand. We present ... -
Oxygen Loss from Simulated Galaxies and the Metal Flow Main Sequence : Predicting the Dependence on Mass and Environment
Taylor, Philip; Kobayashi, Chiaki; Kewley, Lisa J. (2020-08-01)We predict the mass fraction of oxygen lost from galaxies in a cosmological simulation as a function of stellar mass and environment at the present day. The distribution with stellar mass is bimodal, separating star-forming ... -
Quantifying AGN-Driven Metal-Enhanced Outflows in Chemodynamical Simulations
Taylor, Philip; Kobayashi, Chiaki (2015-09-30)We show the effects of AGN-driven outflows on the ejection of heavy elements using our cosmological simulations, where super-massive black holes originate from the first stars. In the most massive galaxy, we have identified ... -
Star formation in simulated galaxies: understanding the transition to quiescence at 3 × 1010 M⊙
Taylor, Philip; Federrath, Christoph; Kobayashi, Chiaki (2017-08-21)Star formation in galaxies relies on the availability of cold, dense gas, which, in turn, relies on factors internal and external to the galaxies. In order to provide a simple model for how star formation is regulated by ... -
Time Evolution of Galaxy Scaling Relations in Cosmological Simulations
Taylor, Philip; Kobayashi, Chiaki (2016-12-01)We predict the evolution of galaxy scaling relationships from cosmological, hydrodynamical simulations, that reproduce the scaling relations of present-day galaxies. Although we do not assume co-evolution between galaxies ...