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Related papers: Grids of stellar evolution models for asteroseismo…

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The Porto Oscillation Code (POSC) has been developed in 1995 and improved over the years, with the main goal of calculating linear adiabatic oscillations for models of solar-type stars. It has also been used to estimate the frequencies and…

Astrophysics · Physics 2009-06-23 Mario J. P. F. G. Monteiro

The space-borne missions CoRoT and Kepler opened up a new opportunity for better understanding stellar evolution by probing stellar interiors with unrivalled high-precision photometric data. Kepler has observed stellar oscillation for four…

Solar and Stellar Astrophysics · Physics 2021-06-16 G. Dréau , B. Mosser , Y. Lebreton , C. Gehan , T. Kallinger

With recent advances in asteroseismology it is now possible to peer into the cores of red giants, potentially providing a way to study processes such as nuclear burning and mixing through their imprint as sharp structural variations --…

Solar and Stellar Astrophysics · Physics 2015-06-03 M. S. Cunha , D. Stello , P. P. Avelino , J. Christensen-Dalsgaard , R. H. D. Townsend

Localised modelling error in the near-surface layers of evolutionary stellar models causes the frequencies of their normal modes of oscillation to differ from those of actual stars with matching interior structures. These frequency…

Solar and Stellar Astrophysics · Physics 2021-01-13 J. M. Joel Ong , Sarbani Basu , Jean M. McKeever

The space-borne missions CoRoT and Kepler have opened a new era in stellar physics, especially for evolved stars, with precise asteroseismic measurements that help determine precise stellar parameters and perform ensemble astero seismology.…

Solar and Stellar Astrophysics · Physics 2015-06-17 Benoit Mosser , Kevin Belkacem , Mathieu Vrard

Space-based photometry reveals regular high-frequency patterns in many young $\delta$ Scuti stars. These pulsations provide a powerful means of inferring stellar properties, particularly ages, for young $\delta$ Scuti stars for which…

Solar and Stellar Astrophysics · Physics 2026-03-26 Anuj Gautam , Simon J. Murphy , Timothy R. Bedding

Grids of stellar evolution models with rotation using the Geneva stellar evolution code (Genec) have been published for a wide range of metallicities. We introduce the last remaining grid of Genec models, with a metallicity of $Z=10^{-5}$.…

Asteroseismology, the study of stellar oscillations, and stellar modeling both offer profound insights into the fundamental properties and evolution of stars. With pySYD, a new open-source Python package, we were able to constrain the…

Solar and Stellar Astrophysics · Physics 2025-09-17 Sophia Grusnis , Jamie Tayar , Diego Godoy-Rivera

We present an extended grid of state-of-the art stellar models for low-mass stars including updated physics (nuclear reaction rates, surface boundary condition, mass-loss rate, angular momentum transport, torque and rotation-induced mixing…

Solar and Stellar Astrophysics · Physics 2019-10-23 L. Amard , A. Palacios , C. Charbonnel , F. Gallet , C. Georgy , N. Lagarde , L. Siess

Red clump stars still pose open questions regarding several physical processes, such as the mixing around the core, or the nuclear reactions, which are ill-constrained by theory and experiments. The oscillations of red clump stars, which…

Solar and Stellar Astrophysics · Physics 2025-12-10 Anthony Noll , Sarbani Basu , Saskia Hekker

In a series of papers, we have recently demonstrated that it is possible to construct stellar structure models that robustly mimic the stratification of multi-dimensional radiative magneto-hydrodynamic simulations at every time-step of the…

The {\emph{Kepler}} space telescope has provided exquisite data to perform asteroseismic analysis on evolved star ensembles. Studying star clusters offers significant insight into stellar evolution and structure, due to having a large…

Solar and Stellar Astrophysics · Physics 2021-08-03 Zeynep Çelik Orhan

Magnetic fields influence the formation and evolution of stars and impact the observed stellar properties. Ap stars (magnetic A-type stars) are a prime example of this. Access to precise and accurate determinations of their stellar…

Solar and Stellar Astrophysics · Physics 2021-06-23 M. Deal , M. S. Cunha , Z. Keszthelyi , K. Perraut , D. L. Holdsworth

Asteroseismology has emerged as a powerful tool to unravel the intricate relationships between evolved stars and their planetary systems. In this study, we leverage this technique to investigate the evolutionary stages of five exoplanet…

Earth and Planetary Astrophysics · Physics 2025-01-03 Wen-Xu Lin , Sheng-Bang Qian , Li-Ying Zhu , Wen-Ping Liao , Fu-Xing Li , Xiang-Dong Shi , Lin-Jia Li , Er-Gang Zhao

The role of the cosmic web in shaping galaxy properties is investigated in the GAMA spectroscopic survey in the redshift range $0.03 \leq z \leq 0.25$. The stellar mass, $u - r$ dust corrected colour and specific star formation rate (sSFR)…

We present new grids of pre-main sequence (PMS) tracks for stars in the mass range 0.1 to 7.0 Msun. The computations were performed for four different metallicities (Z=0.01, 0.02, 0.03 and 0.04). A fifth table has been computed for the…

Astrophysics · Physics 2010-12-23 L. Siess , E. Dufour , M. Forestini

Parameter regions in which stars can become pulsationally unstable are found throughout the Hertzsprung-Russel diagram. Stars of high, intermediate, low and very low masses may cross various instability regions along their paths of…

Solar and Stellar Astrophysics · Physics 2015-06-11 Sonja Schuh

The oscillation spectra of solar-type stars may in the not-too- distant future be used to constrain certain properties of the stars. The CD diagram of large versus small frequency separations is one of the powerful tools available to infer…

Astrophysics · Physics 2007-05-23 M. J. P. F. G. Monteiro , J. Christensen-Dalsgaard , M. J. Thompson

The internal working of low-mass stars is of great significance to both the study of stellar structure and the history of the Milky Way. Asteroseismology has the power to directly sense the internal structure of stars and allows for the…

Asteroseismology using space-based telescopes is vital to our understanding of stellar structure and evolution. {\textit{CoRoT}}, {\textit{Kepler}}, and {\textit{TESS}} space telescopes have detected large numbers of solar-like oscillating…

Solar and Stellar Astrophysics · Physics 2021-05-12 Z. Çelik Orhan , M. Yıldız , C. Kayhan