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Related papers: $\beta$ Cephei pulsators in eclipsing binaries obs…

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Eclipsing binaries are crucial astrophysical laboratories for studying stellar parameters and evolutionary processes. In this study, we constructed a machine-learning-based model for systematic phenomenological classification of eclipsing…

Solar and Stellar Astrophysics · Physics 2026-04-30 Shi-Qi Liu , Kai Li , Xiao-Dian Chen , Li-Heng Wang

We present an extensive and up-to-date catalog of Galactic Beta Cephei stars. This catalog is intended to give a comprehensive overview of observational characteristics of all known Beta Cephei stars. 93 stars could be confirmed to be Beta…

Astrophysics · Physics 2009-11-13 Anamarija Stankov , Gerald Handler

Tidally tilted pulsators (TTPs), whose pulsation axis aligns with the binary's semi-major axis, represent a newly established class of oscillators in binary systems. While all previously known TTPs are either $\delta$ Scuti or subdwarf…

Solar and Stellar Astrophysics · Physics 2026-01-01 Ping Li , Wen-Ping Liao , Sheng-Bang Qian , Li-Ying Zhu , Jia Zhang , Qi-Bin Sun , Fang-Bin Meng

We report the results of our search for pulsating subdwarf B stars in Full Frame Images, sampled at 30 min cadence and collected during Year 1 of the TESS mission. Year 1 covers most of the southern ecliptic hemisphere. The sample of…

Solar and Stellar Astrophysics · Physics 2020-11-09 S. K. Sahoo , A. S. Baran , S. Sanjayan , J. Ostrowski

We present a systematic investigation of $\beta$ Cephei (BCEP) stars by integrating photometric data from the Transiting Exoplanet Survey Satellite (TESS) with astrometric parameters from Gaia Data Release 3. Utilizing TESS's short-cadence…

Solar and Stellar Astrophysics · Physics 2025-12-16 Xiang-dong Shi , Sheng-bang Qian , Li-ying Zhu , Lin-jia Li , Er-gang Zhao , David Mkrtichian , Farkhodjon Khamrakulov , Wen-xu Lin

High-precision and high-cadence photometric surveys such as Kepler or TESS are making huge progress not only in the detection of new extrasolar planets but also in the study of a great number of variable stars. This is the case for central…

Solar and Stellar Astrophysics · Physics 2024-09-11 Alba Aller , Jorge Lillo-Box , David Jones

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

Eclipsing binaries with pulsating components are a distinct subclass of binaries, merging orbital and pulsational analyses. In recent years, that subclass led to the definition of a newly formed branch of tidal asteroseismology. While…

Solar and Stellar Astrophysics · Physics 2025-08-19 A. Miszuda

Context. Intermediate- to high-mass stars are the least numerous types of stars and they are less well understood than their more numerous low-mass counterparts in terms of their internal physical processes. Modelling the photometric…

Solar and Stellar Astrophysics · Physics 2021-08-25 Luc W. IJspeert , Andrew Tkachenko , Cole Johnston , Stefano Garcia , Joris De Ridder , Timothy Van Reeth , Conny Aerts

Physical parameters were recently measured for several Cepheids in eclipsing binary systems in the LMC. It is a good opportunity to compare these results with models obtained from pulsation theory. Having well determined physical parameters…

Solar and Stellar Astrophysics · Physics 2018-03-30 Mónica Taormina , Bogumił Pilecki , Radosław Smolec

We present results of an analysis of the ASAS-3 data for short-period variables from the recently published catalogue of over 38 000 stars. Using the data available in the literature we verify the results of the automatic classification…

Astrophysics · Physics 2007-05-23 A. Pigulski

Eclipsing binaries (EBs) are unique targets for measuring precise stellar properties and constrain stellar evolution models. In particular, it is possible to measure at the percent level masses and radii of both components of a double-lined…

Solar and Stellar Astrophysics · Physics 2020-01-08 Patrick Gaulme , Joyce A. Guzik

We present results of a Transiting Exoplanet Survey Satellite (TESS) search for short-period pulsations in compact stellar objects observed in years 1 and 3 of the TESS mission, during which the southern ecliptic hemisphere was targeted. We…

Solar and Stellar Astrophysics · Physics 2023-01-11 A. S. Baran , V. Van Grootel , R. H. Ostensen , H. L. Worters , S. K. Sahoo , S. Sanjayan , S. Charpinet , P. Nemeth , J. H. Telting , D. Kilkenny

We present a detailed analysis of the high-mass binary system V1216 Sco, an eclipsing Algol-type binary hosting a $\beta$ Cephei pulsator, with an orbital period of 3.92 days. This system was analyzed using TESS photometry and…

Solar and Stellar Astrophysics · Physics 2025-01-08 A. Miszuda , C. I. Eze , F. Kahraman Alicavus , C. Johnston , G. Handler

We study 119 B stars located in the Scorpius-Centaurus Association using data from NASA's TESS Mission. We see pulsations in 81 stars (68%) across the full range of effective temperatures. In particular, we confirm previous reports of…

Solar and Stellar Astrophysics · Physics 2026-02-18 Awshesh N. Sharma , Timothy R. Bedding , Hideyuki Saio , Timothy R. White

Studying stellar pulsations in open clusters offers the possibility to perform ensemble asteroseismology. The reasonable assumption that the cluster members have the same age, distance, and overall metallicity aids in the seismic modelling…

Solar and Stellar Astrophysics · Physics 2015-05-28 G. Handler , S. Meingast

Context. We present our findings on 18 formerly known ZZ Ceti stars observed by the TESS space telescope in 120s cadence mode during the survey observation of the southern ecliptic hemisphere. Aims. We focus on the frequency analysis of the…

We report the results of our search for pulsating subdwarf B stars in Full Frame Images collected during Year 2 of the TESS mission and covering the northern ecliptic hemisphere. This is a continuation of our effort we presented in Paper I.…

Solar and Stellar Astrophysics · Physics 2021-05-05 A. S. Baran , S. K. Sahoo , S. Sanjayan , J. Ostrowski