Outputs (17)

Chemical evolution of fluorine in the Milky Way (2022)
Journal Article
Womack, K., Vincenzo, F., Gibson, B., Côté, B., Pignatari, M., Brinkman, H. E., Ventura, P., & 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.

Galaxy And Mass Assembly: galaxy morphology in the green valley, prominent rings, and looser spiral arms (2022)
Journal Article
Smith, D., Haberzettl, L., Porter, L. E., Porter-Temple, R., Henry, C. P., Holwerda, B., López-Sánchez, R., Phillipps, S., Graham, A. W., Brough, S., Pimbblet, K. A., Liske, J., Kelvin, L. S., Robertson, C. D., Roemer, W., Walmsley, M., O’Ryan, D., & Géron, T. (2022). Galaxy And Mass Assembly: galaxy morphology in the green valley, prominent rings, and looser spiral arms. Monthly notices of the Royal Astronomical Society, 517(3), 4575-4589. https://doi.org/10.1093/mnras/stac2258

Galaxies fall broadly into two categories: star-forming (blue) galaxies and quiescent (red) galaxies. In between, one finds the less populated 'green valley'. Some of these galaxies are suspected to be in the process of ceasing their star formation t... Read More about Galaxy And Mass Assembly: galaxy morphology in the green valley, prominent rings, and looser spiral arms.

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., Deibel, C. M., Ezzeddine, R., Galloway, D. K., Hansen, C. J., Herwig, F., Ji, A. P., Lugaro, M., Meisel, Z., Norman, D., Read, J. S., Roberts, L. F., Spyrou, A., Tews, I., Timmes, F. X., …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., Snaith, O. N., Shin, J., Kim, Y., Dubois, Y., & 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.

The halo model with beyond-linear halo bias: unbiasing cosmological constraints from galaxy-galaxy lensing and clustering (2022)
Journal Article
Mahony, C., Dvornik, A., Mead, A., Heymans, C., Asgari, M., Hildebrandt, H., Miyatake, H., Nishimichi, T., & Reischke, R. (2022). The halo model with beyond-linear halo bias: unbiasing cosmological constraints from galaxy-galaxy lensing and clustering. Monthly notices of the Royal Astronomical Society, 515(2), 2612–2623. https://doi.org/10.1093/mnras/stac1858

We determine the error introduced in a joint halo model analysis of galaxy-galaxy lensing and galaxy clustering observables when adopting the standard approximation of linear halo bias. Considering the Kilo-Degree Survey, we forecast that ignoring th... Read More about The halo model with beyond-linear halo bias: unbiasing cosmological constraints from galaxy-galaxy lensing and clustering.

Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies (2022)
Journal Article
Abdalla, E., Abellán, G. F., Aboubrahim, A., Agnello, A., Akarsu, Ö., Akrami, Y., Alestas, G., Aloni, D., Amendola, L., Anchordoqui, L. A., Anderson, R. I., Arendse, N., Asgari, M., Ballardini, M., Barger, V., Basilakos, S., Batista, R. C., Battistelli, E. S., Battye, R., Benetti, M., …Zumalacárregui, M. (2022). Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies. Journal of High Energy Astrophysics, 34, 49-211. https://doi.org/10.1016/j.jheap.2022.04.002

The standard Λ Cold Dark Matter (ΛCDM) cosmological model provides a good description of a wide range of astrophysical and cosmological data. However, there are a few big open questions that make the standard model look like an approximation to a mor... Read More about Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies.

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.