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Related papers: Foam: A Python package for forward asteroseismic m…

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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

Until the last few decades, investigations of stellar interiors had been restricted to theoretical studies only constrained by observations of their global properties and external characteristics. However, in the last thirty years the field…

Solar and Stellar Astrophysics · Physics 2019-07-01 R. A. Garcia , J. Ballot

Asteroseismology is able to conduct studies on the interiors of solar-type stars from the analysis of stellar acoustic spectra. However, such an analysis process often has to rely upon subjective choices made throughout. A recurring problem…

Solar and Stellar Astrophysics · Physics 2010-08-03 T. L. Campante , C. Karoff , W. J. Chaplin , Y. P. Elsworth , R. Handberg , S. Hekker

The history of stellar seismology suggests that observation and theory often take turns advancing our understanding. The recent tripling of the sample of pulsating white dwarfs generated by the Sloan Digital Sky Survey represents a giant…

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

We present ROBO, a model and its companion code for the study of the interstellar medium (ISM). The aim is to provide an accurate description of the physical evolution of the ISM and to set the ground for an ancillary tool to be inserted in…

Astrophysics of Galaxies · Physics 2011-07-20 T. Grassi , P. Krstic , E. Merlin , U. Buonomo , L. Piovan , C. Chiosi

We are entering a golden era for stellar physics driven by satellite and telescope observations of unprecedented quality and scope. New insights on stellar evolution and stellar interiors physics are being made possible by asteroseismology,…

Solar and Stellar Astrophysics · Physics 2015-06-15 William J. Chaplin , Andrea Miglio

The polarization of light is a critically under-utilized, rich source of information in astronomy. For stars in particular, surface magnetism polarization that can be detected and measured with spectro-polarimetry. Many questions about…

The chemical evolution of the Galaxy is largely guided by the yields from massive stars. Their evolution is heavily influenced by their internal mixing, allowing the stars to live longer and yield a more massive helium core at the end of…

Solar and Stellar Astrophysics · Physics 2022-05-18 May G. Pedersen

Star formation is a multi-scale problem, and only global simulations that account for the connection from the molecular cloud scale gas flow to the accreting protostar can reflect the observed complexity of protostellar systems.…

Astrophysics of Galaxies · Physics 2023-07-28 Rami Al-Belmpeisi , Vito Tuhtan , Mikkel Bregning Christensen , Rajika L Kuruwita , Troels Haugbølle

We examine the potential of asteroseismology for exploring the internal rotation of white dwarf stars. Data from global observing campaigns have revealed a wealth of frequencies, some of which show the signature of rotational splitting.…

Astrophysics · Physics 2009-10-31 Steven D. Kawaler , Takashi Sekii , Douglas Gough

Since few decades, asteroseismology, the study of stellar oscillations, enables us to probe the interiors of stars with great precision. It allows stringent tests of stellar models and can provide accurate radii, masses and ages for…

Solar and Stellar Astrophysics · Physics 2015-06-03 O. Benomar , T. R. Bedding , D. Stello , S. Deheuvels , T. R. White , J. Christensen-Dalsgaard

Context: The internal characteristics of stars, such as their core rotation rates, are obtained via asteroseismic observations. A comparison of core rotation rates found in this way with core rotation rates as predicted by stellar evolution…

Solar and Stellar Astrophysics · Physics 2020-02-26 J. W. den Hartogh , P. Eggenberger , S. Deheuvels

Asteroseismology is a powerful tool to probe the structure of stars. Space-borne instruments like CoRoT, Kepler and TESS have observed the oscillations of numerous stars, among which {\delta} Scutis are particularly interesting owing to…

Solar and Stellar Astrophysics · Physics 2023-10-12 Subrata Kumar Panda , Siddharth Dhanpal , Simon J. Murphy , Shravan Hanasoge , Timothy R. Bedding

One of the few ways that we can understand the environment around dusty stars and how much material they contribute back to the Universe, is by fitting their brightness at different wavelengths with models that account for how the energy…

Instrumentation and Methods for Astrophysics · Physics 2020-10-08 Steven R. Goldman

Many applications in robotics require primitive spherical geometry, especially in cases where efficient distance queries are necessary. Manual creation of spherical models is time-consuming and prone to errors. This paper presents Foam, a…

Robotics · Computer Science 2025-03-19 Sai Coumar , Gilbert Chang , Nihar Kodkani , Zachary Kingston

Spectral line observations encode a wealth of information. A key challenge, therefore, lies in the interpretation of these observations in terms of models to derive the physical and chemical properties of the astronomical environments from…

Instrumentation and Methods for Astrophysics · Physics 2024-09-06 Frederik De Ceuster , Thomas Ceulemans , Leen Decin , Taïssa Danilovich , Jeremy Yates

Asteroseismology of Sun-like stars is undergoing rapid expansion with, for example, new data from the CoRoT mission and continuation of ground-based campaigns. There is also the exciting upcoming prospect of NASA's Kepler mission, which…

Astrophysics · Physics 2009-11-13 W. J. Chaplin , G. Houdek , T. Appourchaux , Y. Elsworth , R. New , T. Toutain

\Kepler has revolutionised our understanding of both exoplanets and their host stars. Asteroseismology is a valuable tool in the characterisation of stars and \Kepler is an excellent observing facility to perform asteroseismology. Here we…

The unprecedented quality of the asteroseismic data of solar-type stars made available by space missions such as NASA's Kepler telescope are making it possible to explore stellar interior structures. This offers possibilities of…

Context: Detailed oscillation spectra comprising individual frequencies for numerous solar-type stars and red giants are or will become available. These data can lead to a precise characterisation of stars. Aims: Our goal is to test and…