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Related papers: SIMBA-C: An updated chemical enrichment model for …

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We analyse synthetic $^{12}$CO, $^{13}$CO, and [CII] emission maps of simulated molecular clouds of the SILCC-Zoom project, which include an on-the-fly evolution of H$_2$, CO, and C$^+$. We use simulations of hydrodynamical and…

Astrophysics of Galaxies · Physics 2022-07-12 S. Ebagezio , D. Seifried , S. Walch , P. C. Nürnberger , T. E. Rathjen , T. Naab

We present COMPASS, a novel simulation-based inference framework that combines score-based diffusion models with transformer architectures to jointly perform parameter estimation and Bayesian model comparison across competing Galactic…

Astrophysics of Galaxies · Physics 2025-07-09 Berkay Gunes , Sven Buder , Tobias Buck

This is the fourth paper of our new release of the BaSTI (a Bag of Stellar Tracks and Isochrones) stellar model and isochrone library. Following the updated solar-scaled, alpha-enhanced, and white dwarf model libraries, we present here…

Modern cosmological simulations have now matured to the point of reproducing the evolution of realistic galaxy populations across cosmic time. These simulations rely on feedback from active galactic nuclei (AGN) to quench massive galaxies,…

Astrophysics of Galaxies · Physics 2026-03-02 Skylar Grayson , Evan Scannapieco , Romeel Davé , Arif Babul , Renier T. Hough

A LiBeB evolution model including Galactic Cosmic Ray nucleosynthesis, the $\nu$-process, novae, AGB and C-stars is presented. We have included Galactic Cosmic Ray Nucleosynthesis (GCRN) in a complete Chemical Evolution Model that takes…

Astrophysics · Physics 2016-11-03 Andreu Alibes , Javier Labay , Ramon Canal

Galactic chemical evolution (GCE), solar analogues or twins, and peculiarities of the solar composition with respect to the twins are inextricably related. We examine GCE parameters from the literature and present newly derived values using…

Solar and Stellar Astrophysics · Physics 2022-03-30 Charles R. Cowley , Kutluay Yüce

Abundances of N, Si, S, and Fe for 45 damped Lyman alpha systems (DLAs) have been compiled and detailed one-zone chemical evolution models have been constructed for 30 of them. Assuming continuous star formation, we found that final…

Astrophysics · Physics 2009-11-13 R. B. C. Henry , Jason X. Prochaska

Recent stellar chemical abundance measurements of a handful of $z\sim2$ quiescent galaxies have suggested these galaxies exhibit a remarkably strong $\alpha$-enhancement compared to their local and intermediate redshift counterparts. This…

Astrophysics of Galaxies · Physics 2025-06-27 Marziye Jafariyazani , Andrew B. Newman , Bahram Mobasher , Sirio Belli , Richard S. Ellis , Andreas L. Faisst

Using the output from a grid of 60 Type II supernova models (Woosley \& Weaver 1994) of varying mass (11 $\ltaprx$ M/M\sun $\ltaprx$ 40) and metallicity (0, 10$^{-4}$, 0.01, 0.1, and 1 Z\sol), the chemical evolution of 76 stable isotopes,…

Astrophysics · Physics 2009-10-22 by F. X. Timmes , S. E. Woosley , Thomas A. Weaver

Modern language models are evaluated on large benchmarks, which are difficult to make sense of, especially for model selection. Looking at the raw evaluation numbers themselves using a model-centric lens, we propose SimBA, a three phase…

Computation and Language · Computer Science 2025-10-22 Nishant Subramani , Alfredo Gomez , Mona Diab

Observations of gamma-ray bursts up to $z\sim 9$ are best suited to study the possible evolution of the Universe equation of state at intermediate redshifts. We apply the Combo-relation to a sample of 174 gamma ray bursts to investigate…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-03 M. Muccino , L. Izzo , O. Luongo , K. Boshkayev , L. Amati , M. Della Valle , G. B. Pisani , E. Zaninoni

We carry out several isolated galaxy evolution simulations in a fixed dark matter halo gravitational potential using the new version of our N-body/Smoothed Particle Hydrodynamics (SPH) code GCD+. The new code allows us to more accurately…

Astrophysics of Galaxies · Physics 2015-06-03 Awat Rahimi , Daisuke Kawata

Chemical abundances for 23 candidate subgiant stars have been derived with the aim at exploring their usefulness for studies of galactic chemical evolution. High-resolution spectra from ESO CAT-CES and NOT-SOFIN covered 16 different…

Astrophysics · Physics 2009-11-10 Patrik Thoren , Bengt Edvardsson , Bengt Gustafsson

The chemical composition of galaxies offers vital insights into their formation and evolution. In particular, the relationship between helium abundance (He/H) and metallicity serves as a key diagnostic for estimating the primordial helium…

Astrophysics of Galaxies · Physics 2025-07-02 Keita Fukushima , Kentaro Nagamine , Akinori Matsumoto , Yuki Isobe , Masami Ouchi , Takayuki Saitoh , Yutaka Hirai

A chemical characterization of the Galactic Center is essential for understanding its formation and structural evolution. Trends of alpha-elements, such as Mg, Si, and Ca, serve as powerful diagnostic tools, offering insights into…

This is the first of a series of papers presenting the Modules for Experiments in Stellar Astrophysics (MESA) Isochrones and Stellar Tracks (MIST) project, a new comprehensive set of stellar evolutionary tracks and isochrones computed using…

Solar and Stellar Astrophysics · Physics 2016-06-01 Jieun Choi , Aaron Dotter , Charlie Conroy , Matteo Cantiello , Bill Paxton , Benjamin D. Johnson

The advent of single-cell multi-omics technologies has enabled the simultaneous profiling of diverse omics layers within individual cells. Integrating such multimodal data provides unprecedented insights into cellular identity, regulatory…

Cell Behavior · Quantitative Biology 2025-06-27 Zhen Yuan , Shaoqing Jiao , Yihang Xiao , Jiajie Peng

Increasingly, uncertainties in predictions from galaxy formation simulations (at sub-Milky Way masses) are dominated by uncertainties in stellar evolution inputs. In this paper, we present the full set of updates from the FIRE-2 version of…

Dwarf galaxies are thought of as the building blocks of large galaxies such as our Milky Way. This paper presents new high-resolution hydrodynamical simulations of dwarf galaxies and their intergalactic medium with the \texttt{GIZMO} code.…

Astrophysics of Galaxies · Physics 2025-06-06 Pei-Cheng Tung , Ke-Jung Chen

We present a new chemodynamical code - Ramses-CH - for use in simulating the self-consistent evolution of chemical and hydrodynamical properties of galaxies within a fully cosmological framework. We build upon the adaptive mesh refinement…

Astrophysics of Galaxies · Physics 2015-06-04 C. Gareth Few , Stephanie Courty , Brad K. Gibson , Daisuke Kawata , Francesco Calura , Romain Teyssier
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