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All Outputs (117)

On the Effects of Local Environment on Active Galactic Nucleus (AGN) in the Horizon Run 5 Simulation (2023)
Journal Article
Singh, A., Park, C., Choi, E., Kim, J., Jun, H., Gibson, B. K., …Snaith, O. (2023). On the Effects of Local Environment on Active Galactic Nucleus (AGN) in the Horizon Run 5 Simulation. The Astrophysical journal, 953(1), Article 64. https://doi.org/10.3847/1538-4357/acdd6b

We use the Horizon Run 5 cosmological simulation to study the effect of galaxy intrinsic properties and the local environment on active galactic nuclei (AGNs) characterized by their threshold of the accretion rate. We select galaxies in the stellar m... Read More about On the Effects of Local Environment on Active Galactic Nucleus (AGN) in the Horizon Run 5 Simulation.

Inhomogeneous Galactic chemical evolution: modelling ultra-faint dwarf galaxies of the Large Magellanic Cloud (2023)
Journal Article
Alexander, R. K., Vincenzo, F., Ji, A. P., Richstein, H., Jordan, C. J., & Gibson, B. K. (2023). Inhomogeneous Galactic chemical evolution: modelling ultra-faint dwarf galaxies of the Large Magellanic Cloud. Monthly notices of the Royal Astronomical Society, 522(4), 5415-5433. https://doi.org/10.1093/mnras/stad1312

Ultra-faint dwarf galaxies (UFDs) are among the oldest and most metal-poor galaxies in the cosmos, observed to contain no gas and a high dark matter mass fraction. Understanding the chemical abundance dispersion in such extreme environments could she... Read More about Inhomogeneous Galactic chemical evolution: modelling ultra-faint dwarf galaxies of the Large Magellanic Cloud.

Chemical evolution of fluorine in the Milky Way (2022)
Journal Article
Womack, K., Vincenzo, F., Gibson, B., Côté, B., Pignatari, M., Brinkman, H. E., …Karakas, A. (2023). Chemical evolution of fluorine in the Milky Way. Monthly notices of the Royal Astronomical Society, 518(1), 1543-1556. https://doi.org/10.1093/mnras/stac3180

Fluorine has many different potential sites and channels of production, making narrowing down a dominant site of fluorine production particularly challenging. In this work, we investigate which sources are the dominant contributors to the galactic fl... Read More about Chemical evolution of fluorine in the Milky Way.

Horizons: nuclear astrophysics in the 2020s and beyond (2022)
Journal Article
Schatz, H., Becerril Reyes, A. D., Best, A., Brown, E. F., Chatziioannou, K., Chipps, K. A., …Pignatari, M. (2022). Horizons: nuclear astrophysics in the 2020s and beyond. Journal of Physics G: Nuclear and Particle Physics, 49(11), Article 110502. https://doi.org/10.1088/1361-6471/ac8890

Nuclear astrophysics is a field at the intersection of nuclear physics and astrophysics, which seeks to understand the nuclear engines of astronomical objects and the origin of the chemical elements. This white paper summarizes progress and status of... Read More about Horizons: nuclear astrophysics in the 2020s and beyond.

Formation and Morphology of the First Galaxies in the Cosmic Morning (2022)
Journal Article
Park, C., Lee, J., Kim, J., Jeong, D., Pichon, C., Gibson, B. K., …Few, C. G. (2022). Formation and Morphology of the First Galaxies in the Cosmic Morning. The Astrophysical journal, 937(1), https://doi.org/10.3847/1538-4357/ac85b5

We investigate the formation and morphological evolution of the first galaxies in the cosmic morning (10 ≳ z ≳ 4) using the Horizon Run 5 (HR5) simulation. For galaxies above the stellar mass M ⋆ , min = 2 × 10 9 M ⊙ , we classify them into disk, sph... Read More about Formation and Morphology of the First Galaxies in the Cosmic Morning.

Dwarf galaxies with AGN and their environments in observations and simulations (2022)
Thesis
Kristensen, M. T. (2022). Dwarf galaxies with AGN and their environments in observations and simulations. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4224649

This thesis is a study of dwarf galaxies with active galactic nucleis (AGN) characteristics, their environments, and identification of them in both observations and simulations. More specifically, it attempts to answer the questions of what environme... Read More about Dwarf galaxies with AGN and their environments in observations and simulations.

A Large-scale Approach to Modeling Molecular Biosignatures: The Diatomics (2022)
Journal Article
Cross, T. M., Benoit, D. M., Pignatari, M., & Gibson, B. K. (2022). A Large-scale Approach to Modeling Molecular Biosignatures: The Diatomics. The Astrophysical journal, 925(1), Article 57. https://doi.org/10.3847/1538-4357/ac3976

This work presents the first steps to modeling synthetic rovibrational spectra for all molecules of astrophysical interest using a new approach implemented in the Prometheus code. The goal is to create a new comprehensive source of first-principles m... Read More about A Large-scale Approach to Modeling Molecular Biosignatures: The Diatomics.

Radioactive nuclei in the early Solar system: analysis of the 15 isotopes produced by core-collapse supernovae (2021)
Journal Article
Lawson, T. V., Pignatari, M., Stancliffe, R. J., Den Hartogh, J., Jones, S., Fryer, C. L., …Lugaro, M. (2022). Radioactive nuclei in the early Solar system: analysis of the 15 isotopes produced by core-collapse supernovae. Monthly notices of the Royal Astronomical Society, 511(1), 886-902. https://doi.org/10.1093/mnras/stab3684

Short-lived radioactive isotopes (SLRs) with half-lives between 0.1 and 100 Myr can be used to probe the origin of the Solar system. In this work, we examine the core-collapse supernovae production of the 15 SLRs produced: 26Al, 36Cl, 41Ca, 53Mn, 60F... Read More about Radioactive nuclei in the early Solar system: analysis of the 15 isotopes produced by core-collapse supernovae.

Quantitative morphology of galaxy clusters at X-ray wavelengths (2021)
Thesis
Hunt, L. (2021). Quantitative morphology of galaxy clusters at X-ray wavelengths. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4224267

We apply quantitative morphology techniques to X-ray imaging of clusters of galaxies to determine correlation between calculated parameters (CAS, Gini and M20) and features such as bow shocks, cold fronts, gas sloshing, Kelvin-Helmholtz instabilities... Read More about Quantitative morphology of galaxy clusters at X-ray wavelengths.

Project ThaiPASS: international outreach blending astronomy and Python (2021)
Journal Article
Keegans, J. D., Stancliffe, R. J., Bilton, L. E., Cashmore, C. R., Gibson, B. K., Kristensen, M. T., …Chongchitnan, S. (2021). Project ThaiPASS: international outreach blending astronomy and Python. Physics Education, 56(3), Article 035001. https://doi.org/10.1088/1361-6552/abdae7

We present our outreach program, the Thailand–UK Python+Astronomy Summer School (ThaiPASS), a collaborative project comprising UK and Thai institutions and assess its impact and possible application to schools in the United Kingdom. Since its incepti... Read More about Project ThaiPASS: international outreach blending astronomy and Python.

The horizon run 5 cosmological hydrodynamical simulation: probing galaxy formation from kilo- to gigaparsec scales (2021)
Journal Article
Lee, J., Shin, J., Snaith, O. N., Kim, Y., Few, C. G., Devriendt, J., …Park, C. (2021). The horizon run 5 cosmological hydrodynamical simulation: probing galaxy formation from kilo- to gigaparsec scales. The Astrophysical journal, 908(1), Article 11. https://doi.org/10.3847/1538-4357/abd08b

Horizon Run 5 (HR5) is a cosmological hydrodynamical simulation that captures the properties of the universe on a Gpc scale while achieving a resolution of 1 kpc. Inside the simulation box, we zoom in on a high-resolution cuboid region with a volume... Read More about The horizon run 5 cosmological hydrodynamical simulation: probing galaxy formation from kilo- to gigaparsec scales.

The RAdial Velocity Experiment (RAVE): Parameterisation of RAVE spectra based on convolutional neural networks (2020)
Journal Article
Guiglion, G., Matijevič, G., Queiroz, A. B., Valentini, M., Steinmetz, M., Chiappini, C., …Siebert, A. (2020). The RAdial Velocity Experiment (RAVE): Parameterisation of RAVE spectra based on convolutional neural networks. Astronomy and Astrophysics, 644, Article A168. https://doi.org/10.1051/0004-6361/202038271

© ESO 2020. Context Data-driven methods play an increasingly important role in the field of astrophysics In the context of large spectroscopic surveys of stars, data-driven methods are key in deducing physical parameters for millions of spectra in a... Read More about The RAdial Velocity Experiment (RAVE): Parameterisation of RAVE spectra based on convolutional neural networks.

The Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales (2020)
Working Paper
Lee, J., Shin, J., Snaith, O. N., Kim, Y., Few, C. G., Devriendt, J., …Park, C. The Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales

Horizon Run 5 (HR5) is a cosmological hydrodynamical simulation which captures the properties of the Universe on a Gpc scale while achieving a resolution of 1kpc. Inside the simulation box we zoom-in on a high-resolution cuboid region with a volume o... Read More about The Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales.

The effects of gravitation and fluid dynamics on velocity estimation by stagnation point method of a minor galaxy cluster merger, by analysis of full hydro + N-body simulations (2020)
Thesis
Fish, T. M. (2020). The effects of gravitation and fluid dynamics on velocity estimation by stagnation point method of a minor galaxy cluster merger, by analysis of full hydro + N-body simulations. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4224503

Galaxy clusters are collections of galaxies that grow by merging with galaxies or other clusters. Galaxy clusters are predominantly dark matter and a hot plasma called the intracluster medium (ICM), which can be observed through X-ray bright emission... Read More about The effects of gravitation and fluid dynamics on velocity estimation by stagnation point method of a minor galaxy cluster merger, by analysis of full hydro + N-body simulations.

Explaining the chemical trajectories of accreted and in-situ halo stars of the Milky Way (2020)
Journal Article
Brook, C. B., Kawata, D., Gibson, B. K., Gallart, C., & Vicente, A. (2020). Explaining the chemical trajectories of accreted and in-situ halo stars of the Milky Way. Monthly notices of the Royal Astronomical Society, 495(3), 2645-2651. https://doi.org/10.1093/mnras/staa992

© 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. The Milky Way underwent its last significant merger ten billion years ago, when the Gaia-Enceladus-Sausage (GES) was accreted. Accreted GES stars a... Read More about Explaining the chemical trajectories of accreted and in-situ halo stars of the Milky Way.

Single-lined Spectroscopic Binary Star Candidates from a Combination of the RAVE and Gaia DR2 Surveys (2019)
Journal Article
Birko, D., Zwitter, T., Grebel, E. K., Parker, Q. A., Kordopatis, G., Bland-Hawthorn, J., …Watson, F. (in press). Single-lined Spectroscopic Binary Star Candidates from a Combination of the RAVE and Gaia DR2 Surveys. Astronomical Journal, 158(4), Article 155. https://doi.org/10.3847/1538-3881/ab3cc1

The combination of the final version of the Radial Velocity Experiment (RAVE) spectroscopic survey data release 6 with radial velocities (RVs) and astrometry from Gaia DR2 allows us to identify and create a catalog of single-lined binary star candida... Read More about Single-lined Spectroscopic Binary Star Candidates from a Combination of the RAVE and Gaia DR2 Surveys.

2D-Galactic chemical evolution: The role of the spiral density wave (2019)
Journal Article
Mollá, M., Wekesa, S., Cavichia, O., Díaz, I., Gibson, B. K., Rosales-Ortega, F. F., …Sánchez, S. F. (2019). 2D-Galactic chemical evolution: The role of the spiral density wave. Monthly notices of the Royal Astronomical Society, 490(1), 665-682. https://doi.org/10.1093/mnras/stz2537

© 2019 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. We present a 2D chemical evolution code applied to a Milky Way type Galaxy, incorporating the role of spiral arms in shaping azimuthal abundance v... Read More about 2D-Galactic chemical evolution: The role of the spiral density wave.