Results 1 to 10 of about 12,099 (232)

Pulsating stars harbouring planets

open access: yesEPJ Web of Conferences, 2013
Why bother with asteroseismology while studying exoplanets? There are several answers to this question. Asteroseismology and exoplanetary sciences have much in common and the synergy between the two opens up new aspects in both fields.
Moya A.
doaj   +3 more sources

On the Detectability of Large-Scale Flows by Asteroseismology [PDF]

open access: goldFrontiers in Astronomy and Space Sciences, 2020
Large-scale convective motions are an integral part of stellar interior dynamics and might play a relevant role in stellar dynamo processes. However, they are difficult to detect or characterize.
Markus Roth, Wiebke Herzberg
doaj   +2 more sources

Tracing early stellar evolution with asteroseismology: pre-main sequence stars in NGC 2264 [PDF]

open access: yesEPJ Web of Conferences, 2015
Asteroseismology has been proven to be a successful tool to unravel details of the internal structure for different types of stars in various stages of their main sequence and post-main sequence evolution.
Zwintz Konstanze   +4 more
doaj   +4 more sources

A Novel Approach to Classify Telescopic Sensors Data Using Bidirectional-Gated Recurrent Neural Networks

open access: yesApplied Sciences, 2022
Asteroseismology studies the physical structure of stars by analyzing their solar-type oscillations as seismic waves and frequency spectra. The physical processes in stars and oscillations are similar to the Sun, which is more evolved to the red-giant ...
Ali Raza   +5 more
doaj   +1 more source

The potential of Shannon entropy to find the large separation of δ Scuti stars: The entropy spectrum

open access: yesFrontiers in Astronomy and Space Sciences, 2022
This study explores the use of Shannon entropy to find periodic patterns in the oscillation spectra of δ Scuti stars. We have developed a new diagnostic tool for detecting potential patterns that scans for minimal entropic states in the well-known ...
J. C. Suárez
doaj   +1 more source

A Mini-Review of Accreting Pulsating White Dwarfs

open access: yesFrontiers in Astronomy and Space Sciences, 2021
The discovery in 1998 of a pulsating white dwarf in the cataclysmic variable GW Lib opened up a new avenue of exploration in the asteroseismology of white dwarfs.
Paula Szkody
doaj   +1 more source

Highlights of Discoveries for δ Scuti Variable Stars From the Kepler Era

open access: yesFrontiers in Astronomy and Space Sciences, 2021
The NASA Kepler and follow-on K2 mission (2009–2018) left a legacy of data and discoveries, finding thousands of exoplanets, and also obtaining high-precision long time-series data for hundreds of thousands of stars, including many types of pulsating ...
Joyce Ann Guzik
doaj   +1 more source

Asteroseismology of High-Mass Stars: New Insights of Stellar Interiors With Space Telescopes

open access: yesFrontiers in Astronomy and Space Sciences, 2020
Massive stars are important metal factories in the Universe. They have short and energetic lives, and many of them inevitably explode as a supernova and become a neutron star or black hole.
Dominic M. Bowman
doaj   +1 more source

The Pre-main Sequence: Challenges and Prospects for Asteroseismology

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Stars do not simply pop up on the main sequence. Before the stars arrive on the zero-age main sequence, they form in the collapses of molecular clouds, gain matter through accretion processes, and compress their cores until hydrogen can burn in full ...
Konstanze Zwintz, Thomas Steindl
doaj   +1 more source

Radial Oscillations in Neutron Stars from Unified Hadronic and Quarkyonic Equation of States

open access: yesGalaxies, 2023
We study radial oscillations in non-rotating neutron stars by considering the unified equation of states (EoSs), which support the 2 M⊙ star criterion.
Souhardya Sen   +7 more
doaj   +1 more source

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