Outputs (116)

Galaxy and mass assembly (GAMA): Self-Organizing Map application on nearby galaxies (2022)
Journal Article
Holwerda, B. W., Smith, D., Porter, L., Henry, C., Porter-Temple, R., Cook, K., Pimbblet, K. A., Hopkins, A. M., Bilicki, M., Turner, S., Acquaviva, V., Wang, L., Wright, A. H., Kelvin, L. S., & Grootes, M. W. (2022). Galaxy and mass assembly (GAMA): Self-Organizing Map application on nearby galaxies. Monthly notices of the Royal Astronomical Society, 513(2), 1972-1984. https://doi.org/10.1093/mnras/stac889

Galaxy populations show bimodality in a variety of properties: stellar mass, colour, specific star-formation rate, size, and Sérsic index. These parameters are our feature space. We use an existing sample of 7556 galaxies from the Galaxy and Mass Ass... Read More about Galaxy and mass assembly (GAMA): Self-Organizing Map application on nearby galaxies.

The dark matter halo masses of elliptical galaxies as a function of observationally robust quantities (2022)
Journal Article
Sonnenfeld, A., Tortora, C., Hoekstra, H., Asgari, M., Bilicki, M., Heymans, C., Hildebrandt, H., Kuijken, K., Napolitano, N. R., Roy, N., Valentijn, E., & Wright, A. H. (online). The dark matter halo masses of elliptical galaxies as a function of observationally robust quantities. Astronomy and Astrophysics, https://doi.org/10.1051/0004-6361/202142511

Context. The assembly history of the stellar component of a massive elliptical galaxy is closely related to that of its dark matter halo. Measuring how the properties of galaxies correlate with their halo mass can therefore help to understand their e... Read More about The dark matter halo masses of elliptical galaxies as a function of observationally robust quantities.

Galaxy and Mass Assembly (GAMA): The Weak Environmental Dependence of Quasar Activity at 0.1< z <0.35 (2022)
Journal Article
Wethers, C. F., Acharya, N., De Propris, R., Kotilainen, J., Baldry, I. K., Brough, S., Driver, S. P., Graham, A. W., Holwerda, B. W., Hopkins, A. M., López-Sánchez, A. R., Loveday, J., Phillipps, S., Pimbblet, K. A., Taylor, E., Wang, L., & Wright, A. H. (2022). Galaxy and Mass Assembly (GAMA): The Weak Environmental Dependence of Quasar Activity at 0.1< z

Understanding the connection between nuclear activity and galaxy environment remains critical in constraining models of galaxy evolution. By exploiting extensive catalogued data from the Galaxy and Mass Assembly (GAMA) survey, we identify a represent... Read More about Galaxy and Mass Assembly (GAMA): The Weak Environmental Dependence of Quasar Activity at 0.1< z <0.35.

Resilience of sloshing cold fronts against subsequent minor mergers (2022)
Journal Article
Vaezzadeh, I., Roediger, E., Cashmore, C., Hunt, M., Zuhone, J., Forman, W., Jones, C., Kraft, R., Nulsen, P., Su, Y., & Churazov, E. (2022). Resilience of sloshing cold fronts against subsequent minor mergers. Monthly notices of the Royal Astronomical Society, 514(1), 518-534. https://doi.org/10.1093/mnras/stac784

Minor mergers are common in galaxy clusters. They have the potential to create sloshing cold fronts (SCFs) in the intracluster medium of the cluster. However, the resilience of SCFs to subsequent minor mergers is unknown. Here we investigate the exte... Read More about Resilience of sloshing cold fronts against subsequent minor mergers.

The KLEVER survey: Nitrogen abundances at z ∼2 and probing the existence of a fundamental nitrogen relation (2022)
Journal Article
Hayden-Pawson, C., Curti, M., Maiolino, R., Cirasuolo, M., Belfiore, F., Cappellari, M., Concas, A., Cresci, G., Cullen, F., Kobayashi, C., Mannucci, F., Marconi, A., Meneghetti, M., Mercurio, A., Peng, Y., Swinbank, M., & Vincenzo, F. (in press). The KLEVER survey: Nitrogen abundances at z ∼2 and probing the existence of a fundamental nitrogen relation. Monthly notices of the Royal Astronomical Society, Article stac584. https://doi.org/10.1093/mnras/stac584

We present a comparison of the nitrogen-to-oxygen ratio (N/O) in 37 high-redshift galaxies at z ∼2 taken from the KMOS Lensed Emission Lines and VElocity Review (KLEVER) Survey with a comparison sample of local galaxies, taken from the Sloan Digital... Read More about The KLEVER survey: Nitrogen abundances at z ∼2 and probing the existence of a fundamental nitrogen relation.

Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions (2022)
Journal Article
Driver, S. P., Bellstedt, S., Robotham, A. S. G., Baldry, I. K., Davies, L. J., Liske, J., Obreschkow, D., Taylor, E. N., Wright, A. H., Alpaslan, M., Bamford, S. P., Bauer, A. E., Bland-Hawthorn, J., Bilicki, M., Bravo, M., Brough, S., Casura, S., Cluver, M. E., Colless, M., Conselice, C. J., …Wilkins, S. M. (2022). Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions. Monthly notices of the Royal Astronomical Society, 513(1), 439-467. https://doi.org/10.1093/mnras/stac472

In Galaxy And Mass Assembly Data Release 4 (GAMA DR4), we make available our full spectroscopic redshift sample. This includes 248 682 galaxy spectra, and, in combination with earlier surveys, results in 330 542 redshifts across five sky regions cove... Read More about Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions.

The NuGrid AGB Evolution and Nucleosynthesis Data Set (2022)
Journal Article
Battino, U., Pignatari, M., Tattersall, A., Denissenkov, P., & Herwig, F. (2022). The NuGrid AGB Evolution and Nucleosynthesis Data Set. Universe, 8(3), Article 170. https://doi.org/10.3390/universe8030170

Asymptotic Giant Branch (AGB) stars play a key role in the chemical evolution of galaxies. These stars are the fundamental stellar site for the production of light elements such as C, N and F, and half of the elements heavier than Fe via the slow neu... Read More about The NuGrid AGB Evolution and Nucleosynthesis Data Set.

The Detection of a Massive Chain of Dark H i Clouds in the GAMA G23 Field (2022)
Journal Article
Józsa, G. I., Jarrett, T. H., Cluver, M. E., Wong, O. I., Havenga, O., Yao, H. F., Marchetti, L., Taylor, E. N., Kamphuis, P., MacCagni, F. M., Ramaila, A. J., Serra, P., Smirnov, O. M., White, S. V., Kilborn, V., Holwerda, B. W., Hopkins, A. M., Brough, S., Pimbblet, K. A., Driver, S. P., & Kuijken, K. (2022). The Detection of a Massive Chain of Dark H i Clouds in the GAMA G23 Field. The Astrophysical journal, 926(2), Article 167. https://doi.org/10.3847/1538-4357/ac402b

We report on the detection of a large, extended H i cloud complex in the Galaxy and Mass Survey G23 field, located at a redshift of z ∼0.03, observed as part of the MeerKAT Habitat of Galaxies Survey campaign (a pilot survey to explore the mosaicing... Read More about The Detection of a Massive Chain of Dark H i Clouds in the GAMA G23 Field.

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.

Smolyak Algorithm Adapted to a System-Bath Separation: Application to an Encapsulated Molecule with Large-Amplitude Motions (2022)
Journal Article
Lauvergnat, D., Chen, A., Benoit, D. M., Scribano, Y., Nauts, A., & DavidLauvergnat. (2022). Smolyak Algorithm Adapted to a System-Bath Separation: Application to an Encapsulated Molecule with Large-Amplitude Motions. Journal of chemical theory and computation : JCTC, https://doi.org/10.1021/acs.jctc.2c00108

A Smolyak algorithm adapted to system-bath separation is proposed for rigorous quantum simulations. This technique combines a sparse grid method with the system-bath concept in a specific configuration without limitations on the form of the Hamiltoni... Read More about Smolyak Algorithm Adapted to a System-Bath Separation: Application to an Encapsulated Molecule with Large-Amplitude Motions.

Galactic Chemical Evolution of Radioactive Isotopes with an s-process Contribution (2022)
Journal Article
Trueman, T. C. L., Côté, B., Yagüe López, A., Den Hartogh, J., Pignatari, M., Soós, B., Karakas, A. I., & Lugaro, M. (2022). Galactic Chemical Evolution of Radioactive Isotopes with an s-process Contribution. The Astrophysical journal, 924(1), 10. https://doi.org/10.3847/1538-4357/ac31b0

Analysis of inclusions in primitive meteorites reveals that several short-lived radionuclides (SLRs) with half-lives of 0.1-100 Myr existed in the early solar system (ESS). We investigate the ESS origin of 107Pd, 135Cs, and 182Hf, which are produced... Read More about Galactic Chemical Evolution of Radioactive Isotopes with an s-process Contribution.

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., Gibson, B. K., & 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.

Utilisation of CO2 as “Structure Modifier” of Inorganic Solids (2021)
Journal Article
Francesconi, M. G., Bennett, M. J., Benoit, D., & Dobson, I. (2022). Utilisation of CO2 as “Structure Modifier” of Inorganic Solids. Chemistry: a European journal, 28(6), Article e202103608. https://doi.org/10.1002/chem.202103608

Utilisation of CO2 as a chemical reagent is challenging, due to the molecule’s inherent chemical stability. However, CO2 reacts promptly at high temperature (~1000 C) with alkaline-earth oxides to form carbonates and such reactions are used towards... Read More about Utilisation of CO2 as “Structure Modifier” of Inorganic Solids.

26Aluminum from Massive Binary Stars. II. Rotating Single Stars up to Core Collapse and Their Impact on the Early Solar System (2021)
Journal Article
Brinkman, H. E., Hartogh, J. W., Doherty, C. L., Pignatari, M., & Lugaro, M. (2021). 26Aluminum from Massive Binary Stars. II. Rotating Single Stars up to Core Collapse and Their Impact on the Early Solar System. The Astrophysical journal, 923(1), Article 47. https://doi.org/10.3847/1538-4357/ac25ea

Radioactive nuclei were present in the early solar system (ESS), as inferred from analysis of meteorites. Many are produced in massive stars, either during their lives or their final explosions. In the first paper of this series (Brinkman et al. 2019... Read More about 26Aluminum from Massive Binary Stars. II. Rotating Single Stars up to Core Collapse and Their Impact on the Early Solar System.

The vibrational properties of benzene on an ordered water ice surface (2021)
Journal Article
Clark, V. H., & Benoit, D. M. (2021). The vibrational properties of benzene on an ordered water ice surface. Monthly notices of the Royal Astronomical Society, 508(3), 3239-3250. https://doi.org/10.1093/mnras/stab2670

We present a hybrid CCSD(T) + PBE-D3 approach to calculating the vibrational signatures for gas-phase benzene and benzene adsorbed on an ordered water ice surface. We compare the results of our method against experimentally recorded spectra and calcu... Read More about The vibrational properties of benzene on an ordered water ice surface.

129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements (2021)
Journal Article
Côté, B., Eichler, M., Yagüe, A., Vassh, N., Mumpower, M. R., Világos, B., Soós, B., Arcones, A., Sprouse, T. M., Surman, R., Pignatari, M., Pető, M. K., Wehmeyer, B., Rauscher, T., & Lugaro, M. (2021). 129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements. Science, 371(6532), 945-948. https://doi.org/10.1126/science.aba1111

The composition of the early Solar System can be inferred from meteorites. Many elements heavier than iron were formed by the rapid neutron capture process (r-process), but the astrophysical sources where this occurred remain poorly understood. We de... Read More about 129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements.

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., Lawson, T. V., Pignatari, M., Vaezzadeh, I., Côté, B., & 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., Dubois, Y., Cox, L. M., Hong, S. E., Kwon, O. K., Park, C., Pichon, C., Kim, J., Gibson, B. K., & 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.

GASP XXIX-unwinding the arms of spiral galaxies via ram-pressure stripping (2020)
Journal Article
Bellhouse, C., McGee, S. L., Smith, R., Poggianti, B. M., Jaffé, Y. L., Kraljic, K., Franchetto, A., Fritz, J., Vulcani, B., Tonnesen, S., Roediger, E., Moretti, A., Gullieuszik, M., & Shin, J. (2020). GASP XXIX-unwinding the arms of spiral galaxies via ram-pressure stripping. Monthly notices of the Royal Astronomical Society, 500(1), 1285-1312. https://doi.org/10.1093/mnras/staa3298

We present the first study of the effect of ram pressure ‘unwinding’ the spiral arms of cluster galaxies. We study 11 ram-pressure stripped galaxies from GASP (GAs Stripping Phenomena in galaxies) in which, in addition to more commonly observed ‘jell... Read More about GASP XXIX-unwinding the arms of spiral galaxies via ram-pressure stripping.

The impact of disturbed galaxy clusters on the kinematics of active galactic nuclei (2020)
Journal Article
Bilton, L. E., Pimbblet, K. A., & Gordon, Y. A. (2020). The impact of disturbed galaxy clusters on the kinematics of active galactic nuclei. Monthly notices of the Royal Astronomical Society, 499(3), 3792-3805. https://doi.org/10.1093/mnras/staa3154

© 2020 The Author(s) We produce a kinematic analysis of AGN-hosting cluster galaxies from a sample of 33 galaxy clusters selected using the X-ray Clusters Database (BAX) and populated with galaxies from the Sloan Digital Sky Survey Data Release 8. Th... Read More about The impact of disturbed galaxy clusters on the kinematics of active galactic nuclei.