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Related papers: Selected $\beta$ Cephei pulsators in eclipsing bin…

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We have developed a procedure for the classification of eclipsing binaries from their light-curve parameters and spectral type. The procedure was tested on more than 1000 systems with known classification, and its efficiency was estimated…

Solar and Stellar Astrophysics · Physics 2014-09-09 Ekaterina Avvakumova , Oleg Malkov

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

We present results of the analysis of light and radial velocity (RV) curves of eight detached eclipsing binaries observed by the All-Sky Automated Survey, which we have followed up with high-resolution spectroscopy, and were later observed…

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

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

A novel method of analysis of double-lined eclipsing binaries containing a radially pulsating star is presented. The combined pulsating-eclipsing light curve is built up from a purely eclipsing light curve grid created using an existing…

We have determined the apsidal motion rate of 27 double-lined eclipsing binaries with precise physical parameters. The obtained values, corrected for their relativistic contribution, yield precise empirical parameters of the internal…

Solar and Stellar Astrophysics · Physics 2021-10-13 A. Claret , A. Giménez , D. Baroch , I. Ribas , J. C. Morales , G. Anglada-Escudé

NASA's TESS mission has unveiled a plethora of eclipsing binaries (EBs), among them hundreds of triples and higher order, hierarchical systems. These complex targets require follow-up observations to enable full characterization of system…

The fundamental properties of detached eclipsing binary stars can be measured very accurately, which could make them important objects for constraining the treatment of convection in theoretical stellar models. However, only four or five…

Astrophysics · Physics 2009-11-11 John Southworth , Hans Bruntt

We present the results of a spectroscopic campaign on eclipsing binaries with long orbital period (P = 20 - 75 d) carried out with the CHIRON spectrograph. Physical and orbital solutions for seven systems were derived from the V-band, and…

Eclipsing binary stars have long served as benchmark systems to measure fundamental stellar properties. In the past few decades, asteroseismology - the study of stellar pulsations - has emerged as a new powerful tool to study the structure…

Solar and Stellar Astrophysics · Physics 2017-02-15 Daniel Huber

Deriving the distribution of binary parameters for a particular class of stars over the full range of orbital separations usually requires the combination of results from many different observing techniques (radial velocities,…

Solar and Stellar Astrophysics · Physics 2015-06-16 Nancy Remage Evans , Howard E. Bond , Gail H. Schaefer , Brian D. Mason , Margarita Karovska , Evan Tingle

We present the results of a new investigation aimed to identify the pulsational characteristics of the Southern $\beta$ Cephei star ALS 3721. Spectroscopic and multicolour photometric data were acquired at the South African Astronomical…

Solar and Stellar Astrophysics · Physics 2013-01-23 C. Ulusoy , E. Niemczura , B. Ulaş , T. Gülmez

Eclipsing binaries are important benchmark objects to test and calibrate stellar structure and evolution models. This is especially true for binaries with a fully convective M-dwarf component for which direct measurements of these stars'…

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

Theories of stellar convective core overshoot can be examined through analysis of pulsating stars. Better accuracy can be achieved by obtaining external constraints such as those provided by observing pulsating stars in eclipsing binary…

Solar and Stellar Astrophysics · Physics 2022-02-16 Padraic Odesse , Catherine Lovekin

The Chinese Small Telescope ARray (CSTAR) has observed an area around the Celestial South Pole at Dome A since 2008. About $20,000$ light curves in the i band were obtained lasting from March to July, 2008. The photometric precision…

Precise space-based photometry from the Transiting Exoplanet Survey Satellite results in a huge number of exoplanetary candidates. However, the masses of these objects are unknown and must be determined by ground-based spectroscopic…

The characterisation of detached eclipsing binaries with low mass components has become important when verifying the role of convection in stellar evolutionary models, which requires model-independent measurements of stellar parameters with…

Solar and Stellar Astrophysics · Physics 2022-06-29 Patricia Cruz , John F. Aguilar , Hernán E. Garrido , Marcos P. Diaz , Enrique Solano
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