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Related papers: Pulsating White Dwarf Stars and Precision Asterose…

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Asteroseismology can make a substantial contribution to our understanding of the formation history and evolution of our Galaxy by providing precisely determined stellar properties for thousands of stars in different regions of the Milky…

Solar and Stellar Astrophysics · Physics 2016-10-19 V. Silva Aguirre , A. M. Serenelli

We calculate and explore an extensive adiabatic model grid for pulsating white dwarfs with H dominated atmospheres, the ZZ Ceti stars. We also compared the computed modes with the observed ones for five ZZ Ceti stars that are a…

Astrophysics · Physics 2009-11-13 B. G. Castanheira , S. O. Kepler

Due to a new global analysis method, it is now possible to measure the internal composition of pulsating white dwarf stars, even with relatively simple theoretical models. The precise internal mixture of carbon and oxygen is the largest…

Astrophysics · Physics 2009-11-07 Travis S. Metcalfe

The shape of the luminosity function of white dwarfs (WDLF) is sensitive to the characteristic cooling time and, therefore, it can be used to test the existence of additional sources or sinks of energy such as those predicted by alternative…

Solar and Stellar Astrophysics · Physics 2020-10-14 Jordi Isern

White dwarf asteroseismology offers the opportunity to probe the structure and composition of stellar objects governed by relatively simple physical principles. The observational requirements of asteroseismology have been addressed by the…

Astrophysics · Physics 2009-11-06 Travis S. Metcalfe

During the last few decades, great effort has been made towards understanding hydrodynamical processes which determine the structure and evolution of stars. Up to now, the most stringent constraints have been provided by helioseismology and…

Solar and Stellar Astrophysics · Physics 2015-05-13 Jadwiga Daszynska-Daszkiewicz

White dwarf stars are the most common endpoint of stellar evolution. Therefore, these old, numerous and compact objects provide valuable information on the late stages of stellar evolution, the physics of dense plasma and the structure and…

Solar and Stellar Astrophysics · Physics 2024-12-10 Maria Camisassa

This paper reviews the physics of stars, the type, structure, evolution and stability. Simple thermodynamics and statistical mechanics are used to show the inner working of white dwarf and neutron stars. The major concentration of the paper…

Popular Physics · Physics 2024-03-21 Anuj Chaudhri

Binary systems anchor many of the fundamental relations relied upon in asteroseismology. Masses and radii are rarely constrained better than when measured via orbital dynamics and eclipse depths. Pulsating binaries have much to offer. They…

Solar and Stellar Astrophysics · Physics 2019-01-09 Simon J. Murphy

Pulsational variability is observed in several types of main sequence stars with anomalous chemical abundances. In this contribution I summarize the relationship between pulsations and chemical peculiarities, giving special emphasis to…

Astrophysics · Physics 2015-05-13 O. Kochukhov

The stable oscillations of pulsating stars can serve as accurate timepieces, which may be monitored for the influence of exoplanets. An external companion gravitationally tugs the host star, causing periodic changes in pulsation arrival…

Solar and Stellar Astrophysics · Physics 2019-02-06 J. J. Hermes

White dwarf stars are the most common final stage of stellar evolution. Since the serendipitous discovery of the first white dwarf by William Herschel and the first physical models by Subrahmanyan Chandrasekhar and Arthur Eddington, there…

Solar and Stellar Astrophysics · Physics 2025-02-28 Ingrid Pelisoli , Jamie Williams

Scientific research is a continuous process, and the speed of future progress can be estimated by the pace of finding explanations for previous research questions. In this observers based view of stellar pulsation and asteroseismology, we…

Solar and Stellar Astrophysics · Physics 2019-05-31 Margit Paparó

High-precision and long-duration light curves from space telescopes have revolutionized the fields of asteroseismology and binary star systems. In particular, the number of pulsating systems in eclipsing binaries has drastically increased…

Solar and Stellar Astrophysics · Physics 2025-09-11 John Southworth , Dominic Bowman

The tidally tilted pulsators are a new type of oscillating star in close binary systems that have their pulsation axis in the orbital plane because of the tidal distortion caused by their companion. We describe this group of stars on the…

Solar and Stellar Astrophysics · Physics 2022-05-19 Gerald Handler , Rahul Jayaraman , Donald W. Kurtz , Jim Fuller , Saul A. Rappaport

Asteroseismology of massive stars has recently begun a revolution thanks to high-precision time series photometry from space telescopes. This has allowed accurate and robust constraints on interior physical processes, such as mixing and…

Solar and Stellar Astrophysics · Physics 2020-01-01 D. M. Bowman

Pulsation modes have recently been observed in a handful of white dwarf (WD) primaries of cataclysmic variables, allowing an interesting new probe into the structure of accreting WD's. We briefly discuss the seismology of these objects, how…

Astrophysics · Physics 2007-05-23 Phil Arras , Dean Townsley , Lars Bildsten

The Sloan Digital Sky Survey has allowed us to increase the number of known white dwarfs by a factor of five and consequently the number of known pulsating white dwarfs also by a factor of five. It has also led to the discovery of new types…

Solar and Stellar Astrophysics · Physics 2017-09-13 S. O. Kepler , Alejandra D. Romero

Reliable modeling of the atmospheres of cool white dwarfs is crucial for understanding the atmospheric evolution of these stars and for accurate white dwarfs cosmochronology. Over the last decade {\it ab initio} modeling entered many…

Solar and Stellar Astrophysics · Physics 2015-05-20 Piotr M. Kowalski