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Related papers: Modules for Experiments in Stellar Astrophysics (M…

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Neutron star mergers are among the most promising sources of gravitational waves for advanced ground-based detectors. These mergers are also expected to power bright electromagnetic signals, in the form of short gamma-ray bursts,…

Nuclear astrophysics aims at unraveling the cosmic origins of chemical elements and the physical processes powering stars. It constitutes a truly multidisciplinary field, that integrates tools, advancements, and accomplishments from…

Solar and Stellar Astrophysics · Physics 2026-01-23 Jordi Jose

MADNESS (multiresolution adaptive numerical environment for scientific simulation) is a high-level software environment for solving integral and differential equations in many dimensions that uses adaptive and fast harmonic analysis methods…

We perform a series of simulations of evolving star clusters using AMUSE (the Astrophysical Multipurpose Software Environment), a new community-based multi-physics simulation package, and compare our results to existing work. These…

Astrophysics of Galaxies · Physics 2013-11-13 Alfred J. Whitehead , Stephen L. W. McMillan , Enrico Vesperini , Simon Portegies Zwart

The microstructure of materials evolves through chemical reactions and mechanical stress, often strongly coupled in phenomena such as pressure solution or crystallization pressure. This article presents MASKE: a simulator to address the…

Other Condensed Matter · Physics 2024-09-26 Enrico Masoero

Context. Star formation and, in particular, high-mass star formation are key astrophysical processes that are far from being fully understood. Unfortunately, progress in these fields is slow because observations are hard to interpret as…

We update and expand the MESA Isochrones and Stellar Tracks (MIST) database to include variations in the alpha-capture elements, specifically [alpha/Fe]=-0.2, 0, +0.2, +0.4, and +0.6 for -3 <= [Fe/H] <= +0.5. Variations in [alpha/Fe] are…

Solar and Stellar Astrophysics · Physics 2026-02-26 A Dotter , E Bauer , MJ Park , C Conroy , A Milone , M Joyce , M Cantiello

About a quarter of massive binary stars undergo mass transfer while both stars burn hydrogen at their cores, first on the thermal and then on the nuclear timescale. The nuclear timescale mass transfer leads to observable counterparts: the…

Solar and Stellar Astrophysics · Physics 2022-03-14 K. Sen , N. Langer , P. Marchant , A. Menon , S. E. de Mink , A. Schootemeijer , C. Schürmann , L. Mahy , B. Hastings , K. Nathaniel , H. Sana , C. Wang , X. T. Xu

Mergers of neutron stars (NSs) and black holes (BHs) are nowadays observed routinely thanks to gravitational-wave (GW) astronomy. In the isolated binary-evolution channel, a common-envelope (CE) phase of a red supergiant (RSG) and a compact…

High Energy Astrophysical Phenomena · Physics 2024-08-14 Dandan Wei , Fabian R. N. Schneider , Philipp Podsiadlowski , Eva Laplace , Friedrich K. Roepke , Marco Vetter

The Maximum Entropy Spectral Analysis (MESA) method, developed by Burg, offers a powerful tool for spectral estimation of a time-series. It relies on Jaynes' maximum entropy principle, allowing the spectrum of a stochastic process to be…

Methodology · Statistics 2024-07-02 Alessandro Martini , Stefano Schmidt , Gregory Ashton , Walter Del Pozzo

Despite the close relationship between planetary science and plasma physics, few advanced numerical tools allow to bridge the two topics. The code Menura proposes a breakthrough towards the self-consistent modelling of these overlapping…

Earth and Planetary Astrophysics · Physics 2022-06-01 Etienne Behar , Shahab Fatemi , Pierre Henri , Mats Holmstrom

The efficiency of the transport of angular momentum and chemical elements inside intermediate-mass stars lacks proper calibration, thereby introducing uncertainties on a star's evolutionary pathway. Improvements require better estimation of…

Solar and Stellar Astrophysics · Physics 2021-06-09 Joey S. G. Mombarg , Timothy Van Reeth , Conny Aerts

Studies of future space- and ground-based exoplanet surveys often rely on models of planetary systems to simulate instrument response, estimate scientific yields, perform trade analyses, and study efficient observation strategies. Until…

Earth and Planetary Astrophysics · Physics 2022-02-09 Christopher C. Stark

In addition to the emission of gravitational waves (GWs) the coalescence and merger of two neutron stars will produce a variety of electromagnetic (EM) signals. In this work we combine a large set of numerical relativity simulations…

General Relativity and Quantum Cosmology · Physics 2017-05-03 Tim Dietrich , Maximiliano Ujevic

Evidence suggests that protostellar outbursts likely play a critical role in the stellar mass assembly process, but the extent of this contribution is not well understood. Using the proposed observing program of PRIMA, a concept far-IR…

In-situ measurements carried out by spacecraft in radial alignment are critical to advance our knowledge on the evolutionary behavior of coronal mass ejections (CMEs) and their magnetic structures during propagation through interplanetary…

Solar and Stellar Astrophysics · Physics 2021-08-11 Camilla Scolini , Reka M. Winslow , Noé Lugaz , Stefaan Poedts

The aim of this white paper is to briefly summarize some of the outstanding gaps in the observations and modeling of stellar flares, CMEs, and exoplanetary space weather, and to discuss how the theoretical and computational tools and…

The increasing number and complexity of planetary exploration space missions require new tools to access, visualize and analyse data to improve their scientific return. ASI Science Data Center (ASDC) addresses this request with the web-tool…

Instrumentation and Methods for Astrophysics · Physics 2016-03-18 Angelo Zinzi , Maria Teresa Capria , Ernesto Palomba , Paolo Giommi , Lucio Angelo Antonelli

The detection and analysis of oscillations in binary star systems is critical in understanding stellar structure and evolution. This is partly because such systems have the same initial chemical composition and age. Solar-like oscillations…

Solar and Stellar Astrophysics · Physics 2017-11-08 B. Nsamba , M. J. P. F. G. Monteiro , T. L. Campante , D. R. Reese , T. R. White , A. García Hernández , C. Jiang

In this paper, we investigate the properties of binary neutron stars (BNSs) and their mergers by combining population synthesis models for binary stellar evolution (BSE) with cosmological galaxy formation and evolution models. We obtain…

Astrophysics of Galaxies · Physics 2021-10-20 Qingbo Chu , Shenghua Yu , Youjun Lu