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Related papers: V456 Cyg: An eclipsing binary with tidally perturb…

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Context. Thanks to the high-precision photometry from space missions such as Kepler and TESS, tidal perturbations and tilting of pulsations have been detected in more than a dozen binary systems. However, only two of these were g-mode…

Solar and Stellar Astrophysics · Physics 2023-03-15 T. Van Reeth , C. Johnston , J. Southworth , J. Fuller , D. M. Bowman , L. Poniatowski , J. Van Beeck

In this work, we seek to characterise a large sample of 14377 main sequence eclipsing binaries in terms of their stellar, asteroseismic, and orbital properties. We conduct manual vetting on a 4000-target subset of our full 14377-target…

Solar and Stellar Astrophysics · Physics 2025-12-02 Alex Kemp , Jasmine Vrancken , Joey S. G. Mombarg , Luc IJspeert , Mykyta Kliapets , Andrew Tkachenko , Conny Aerts

Stars that are both pulsating and eclipsing offer an important opportunity to better understand many of the physical phenomena that occur in stars, because it is possible to measure the pulsation frequencies of stars for which the masses…

Solar and Stellar Astrophysics · Physics 2023-11-28 Zachary Jennings , John Southworth , Kresimir Pavlovski , Timothy Van Reeth

The study of pulsating stars in eclipsing binaries holds the promise of combining two different ways of measuring the physical properties of a star to obtain improved constraints on stellar theory. Gravity (g) mode pulsations such as those…

Solar and Stellar Astrophysics · Physics 2022-08-03 John Southworth , Timothy Van Reeth

The interior physics of stars is currently not well constrained for early-type stars. This is particularly pertinent for multiple systems as binary interaction becomes more prevalent for more massive stars, which strongly affects their…

Solar and Stellar Astrophysics · Physics 2019-10-02 Dominic M. Bowman , Cole Johnston , Andrew Tkachenko , David E. Mkrtichian , Khemsinan Gunsriwiwat , Conny Aerts

We report the discovery of the third tidally tilted pulsator, TIC 63328020. Observations with the TESS satellite reveal binary eclipses with an orbital period of 1.1057 d, and $\delta$ Scuti-type pulsations with a mode frequency of 21.09533…

Eclipsing binaries are crucial for understanding stellar physics, allowing detailed studies of stellar masses, radii, and orbital dynamics. Recent space missions like the Transiting Exoplanet Survey Satellite (TESS) have significantly…

Solar and Stellar Astrophysics · Physics 2024-11-20 L. W. IJspeert , A. Tkachenko , C. Johnston , C. Aerts

The Transiting Exoplanet Survey Satellite (TESS) has enabled the discovery of numerous tidally tilted pulsators (TTPs), which are pulsating stars in close binaries where the presence of a tidal bulge has the effect of tilting the primary…

Eclipsing binary systems with components that pulsate in gravity modes ($g$ modes) allow for simultaneous and independent constraints of the chemical mixing profiles of stars. We aim to assemble a sample of $g$-mode pulsators in detached…

Solar and Stellar Astrophysics · Physics 2020-11-25 S. Sekaran , A. Tkachenko , M. Abdul-Masih , A. Prsa , C. Johnston , D. Huber , S. J. Murphy , G. Banyard , A. W. Howard , H. Isaacson , D. M. Bowman , C. Aerts

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

Pulsations and binarity are both common features of massive stars. The study of pulsating massive stars in eclipsing binary systems hold great potential for constraining stellar structure and evolution theory. However, prior to the all-sky…

Solar and Stellar Astrophysics · Physics 2022-04-13 John Southworth , Dominic M. Bowman

V453 Cyg is an eclipsing binary containing 14 Msun and 11 Msun stars in an eccentric short-period orbit. We have discovered $\beta$ Cep-type pulsations in this system using TESS data. We identify seven significant pulsation frequencies,…

Solar and Stellar Astrophysics · Physics 2020-05-27 J. Southworth , D. M. Bowman , A. Tkachenko , K. Pavlovski

Stellar components in binaries are subject to tidal forces which influence asteroseismic properties. Tidally pertubed pulsations have been reported for different objects but none of these are in their pre-main sequence phase of evolution.…

Solar and Stellar Astrophysics · Physics 2021-01-27 T. Steindl , K. Zwintz , D. M. Bowman

We present high-precision TESS photometry of V421 Peg (TIC 301747091), an early F-type eclipsing binary containing a candidate $\gamma$ Dor component. The observed short-cadence data allow the detection of pulsation signals, along with…

Solar and Stellar Astrophysics · Physics 2025-10-02 Jae Woo Lee

Pulsating stars in eclipsing binaries are very important to understand stellar interior structures through astroseismology because their absolute parameters such as the masses and radii can be determined in high precision based on…

Solar and Stellar Astrophysics · Physics 2024-12-02 Xiang-Dong Shi , Sheng-Bang Qian , Lin-Jia Li

Pulsating stars in eclipsing binary systems are powerful tools to test stellar models. Binarity enables to constrain the pulsating component physical parameters, whose knowledge drastically improves the input physics for asteroseismic…

Solar and Stellar Astrophysics · Physics 2015-06-12 C. Maceroni , J. Montalbán , D. Gandolfi , K. Pavlovski , M. Rainer

Dynamical tides can provide us vital information about the properties of neutron star (NS) matter. This is particularly true for g-modes, whose frequency and tidal coupling are highly sensitive to the composition of NSs, especially in their…

High Energy Astrophysical Phenomena · Physics 2026-02-18 János Takátsy , Lorenz Zwick , Pankaj Saini , Johan Samsing

V498 Cyg is an early-B-type binary known to show eclipses on a period of 3.48 d, and two sets of spectral lines. We present the discovery of a second set of eclipses, on a 1.44-d period, in the light curve of this object from the Transiting…

Solar and Stellar Astrophysics · Physics 2022-01-10 John Southworth

Eclipsing systems are essential objects for understanding the properties of stars and stellar systems. Eclipsing systems with pulsating components are furthermore advantageous because they provide accurate constraints on the component…

Solar and Stellar Astrophysics · Physics 2021-05-11 Patricia Lampens

It has long been suspected that tidal forces in close binary stars could modify the orientation of the pulsation axis of the constituent stars. Such stars have been searched for, but until now never detected. Here we report the discovery of…

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