Current challenges in the physics of white dwarf stars

D Saumon, S Blouin, PE Tremblay - Physics Reports, 2022 - Elsevier
White dwarfs are a class of stars with unique physical properties. They present many
challenging problems whose solution requires advanced theories of dense matter, state-of …

Models of very-low-mass stars, brown dwarfs and exoplanets

F Allard, D Homeier, B Freytag - … Transactions of the …, 2012 - royalsocietypublishing.org
Within the next few years, GAIA and several instruments aiming to image extrasolar planets
will be ready. In parallel, low-mass planets are being sought around red dwarfs, which offer …

Observational constraints on the origin of the elements-IV. Standard composition of the Sun

E Magg, M Bergemann, A Serenelli, M Bautista… - Astronomy & …, 2022 - aanda.org
Context. The chemical composition of the Sun is required in the context of various studies in
astrophysics, among them in the calculation of standard solar models (SSMs) used to …

MPI-AMRVAC 3.0: Updates to an open-source simulation framework

R Keppens, BP Braileanu, Y Zhou, W Ruan… - Astronomy & …, 2023 - aanda.org
Context. Computational astrophysics nowadays routinely combines grid-adaptive
capabilities with modern shock-capturing, high resolution spatio-temporal integration …

New evolutionary models for pre-main sequence and main sequence low-mass stars down to the hydrogen-burning limit

I Baraffe, D Homeier, F Allard, G Chabrier - Astronomy & Astrophysics, 2015 - aanda.org
We present new models for low-mass stars down to the hydrogen-burning limit that
consistently couple atmosphere and interior structures, thereby superseding the widely used …

A new extensive library of PHOENIX stellar atmospheres and synthetic spectra

TO Husser, S Wende-von Berg, S Dreizler… - Astronomy & …, 2013 - aanda.org
Aims. We present a new library of high-resolution synthetic spectra based on the stellar
atmosphere code PHOENIX that can be used for a wide range of applications of spectral …

A dusty veil shading Betelgeuse during its Great Dimming

M Montargès, E Cannon, E Lagadec, A de Koter… - Nature, 2021 - nature.com
Red supergiants are the most common final evolutionary stage of stars that have initial
masses between 8 and 35 times that of the Sun. During this stage, which lasts roughly …

Accuracy and precision of industrial stellar abundances

P Jofré, U Heiter, C Soubiran - Annual Review of Astronomy …, 2019 - annualreviews.org
There has been an incredibly large investment in obtaining high-resolution stellar spectra for
determining chemical abundances of stars. This information is crucial to answer …

Colloquium: Unusual dynamics of convection in the Sun

J Schumacher, KR Sreenivasan - Reviews of Modern Physics, 2020 - APS
The Sun is our nearest star; it is also the most important star that determines life on Earth. A
large variety of phenomena observed on the Sun's surface, with potential impact on Earth, is …

MPI-AMRVAC for solar and astrophysics

O Porth, C Xia, T Hendrix, SP Moschou… - The Astrophysical …, 2014 - iopscience.iop.org
In this paper, we present an update to the open source MPI-AMRVAC simulation toolkit
where we focus on solar and non-relativistic astrophysical magnetofluid dynamics. We …