Hydrodynamical simulations of the triggering of nuclear activities by minor mergers of galaxies
Sign Up to like & getrecommendations! Published in 2019 at "Research in Astronomy and Astrophysics"
DOI: 10.1088/1674-4527/19/12/177
Abstract: Major mergers of galaxies are considered to be an efficient way to trigger Active Galactic Nuclei and are thought to be responsible for the phenomenon of quasars. This has however recently been challenged by observations… read more here.
Keywords: galactic nuclei; mergers galaxies; active galactic; minor mergers ... See more keywords
A deep learning approach to test the small-scale galaxy morphology and its relationship with star formation activity in hydrodynamical simulations
Sign Up to like & getrecommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa3864
Abstract: Hydrodynamical simulations of galaxy formation and evolution attempt to fully model the physics that shapes galaxies. The agreement between the morphology of simulated and real galaxies, and the way the morphological types are distributed across… read more here.
Keywords: galaxy; learning approach; deep learning; formation ... See more keywords
The BAHAMAS project: Calibrated hydrodynamical simulations for large-scale structure cosmology
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stw2792
Abstract: The evolution of the large-scale distribution of matter is sensitive to a variety of fundamental parameters that characterise the dark matter, dark energy, and other aspects of our cosmological framework. Since the majority of the… read more here.
Keywords: large scale; cosmology; mass; hydrodynamical simulations ... See more keywords
Investigating the origin of cyclical wind variability in hot massive stars – II. Hydrodynamical simulations of corotating interaction regions using realistic spot parameters for the O giant ξ Persei
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx1478
Abstract: OB stars exhibit various types of spectral variability historically associated with wind structures, including the apparently ubiquitous discrete absorption components (DACs). These features have been proposed to be caused either by magnetic fields or non-radial… read more here.
Keywords: wind; spot; giant persei; variability ... See more keywords
Comparing galaxy formation in semi-analytic models and hydrodynamical simulations
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx2770
Abstract: It is now possible for hydrodynamical simulations to reproduce a representative galaxy population. Accordingly, it is timely to assess critically some of the assumptions of traditional semi-analytic galaxy formation models. We use the EAGLE simulations… read more here.
Keywords: semi analytic; galaxy formation; angular momentum; galform ... See more keywords
Efficient adiabatic hydrodynamical simulations of the high-redshift intergalactic medium
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx2859
Abstract: We present a post-processing tool for GADGET-2 adiabatic simulations to model various observed properties of the Ly$\alpha$ forest at $2.5 \leq z \leq 4$ that enables an efficient parameter estimation. In particular, we model the… read more here.
Keywords: medium; intergalactic medium; hydrodynamical simulations; simulations high ... See more keywords
Evolution of N/O ratios in galaxies from cosmological hydrodynamical simulations
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty1047
Abstract: We study the redshift evolution of the gas-phase O/H and N/O abundances, both (i) for individual ISM regions within single spatially-resolved galaxies and (ii) when dealing with average abundances in the whole ISM of many… read more here.
Keywords: evolution ratios; cosmological hydrodynamical; galaxies cosmological; relation ... See more keywords
Resolution convergence in cosmological hydrodynamical simulations using adaptive mesh refinement
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty673
Abstract: We have explored the evolution of gas distributions from cosmological simulations carried out using the RAMSES adaptive mesh refinement (AMR) code, to explore the effects of resolution on cosmological hydrodynamical simulations. It is vital to… read more here.
Keywords: resolution; cosmological hydrodynamical; adaptive mesh; mesh refinement ... See more keywords
Inhomogeneous reionization models in cosmological hydrodynamical simulations
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stz984
Abstract: In this work we present a new hybrid method to simulate the thermal effects of reionization in cosmological hydrodynamical simulations. The method improves upon the standard approach used in simulations of the intergalactic medium (IGM)… read more here.
Keywords: reionization; reionization models; cosmological hydrodynamical; model ... See more keywords
Comparison of Low-Redshift Lyman-α Forest Observations to Hydrodynamical Simulations with Dark Photon Dark Matter.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.211102
Abstract: Recent work has suggested that an additional ≲6.9 eV per baryon of heating in the intergalactic medium is needed to reconcile hydrodynamical simulations with Lyman-α forest absorption line widths at redshift z≃0.1. Resonant conversion of dark… read more here.
Keywords: dark matter; dark photon; hydrodynamical simulations; photon dark ... See more keywords