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Related papers: Eclipsing binaries with pulsating components: CoRo…

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The observed spectra of 9 pulsars for which multiwavelength data are available from radio to $X$- or $\gamma$-ray bands (Crab, Vela, Geminga, B0656+14, B1055-52, B1509-58, B1706-44, B1929+10, and B1951+32) are compared with the spectrum of…

Astrophysics of Galaxies · Physics 2009-08-11 H. Ardavan , A. Ardavan , J. Singleton , J. Fasel , W. Junor , J. Middleditch , M. R. Perez , A. Schmidt , P. Sengupta , P. Volegov

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

We present new photometric and spectroscopic observations and analyses for the eclipsing binary systems V1241 Tau and GQ Dra. Our photometric light and radial velocity curves analyses combining with the TESS light curves show that both are…

Solar and Stellar Astrophysics · Physics 2021-02-17 B. Ulas , K. Gazeas , A. Liakos , C. Ulusoy , I. Stateva , N. Erkan , M. Napetova , I. Kh. Iliev

High-energy irradiation of exoplanets has been identified to be a key influence on the stability of these planets' atmospheres. So far, irradiation-driven mass-loss has been observed only in two Hot Jupiters, and the observational data…

Solar and Stellar Astrophysics · Physics 2015-06-04 K. Poppenhaeger , S. Czesla , S. Schröter , S. Lalitha , V. Kashyap , J. H. M. M. Schmitt

Determinations of stellar mass and radius with realistic uncertainties at the level of 1% provide important constraints on models of stellar structure and evolution. We present a high-precision light curve of the A0IV star Psi Centauri,…

Astrophysics · Physics 2009-11-11 H. Bruntt , J. Southworth , G. Torres , A. J. Penny , J. V. Clausen , D. L. Buzasi

The LAMOST spectra and $\it{Kepler}$ light curves are combined to investigate the detached eclipsing binary KIC 8098300, which shows the O'Connell effect caused by spot/facula modulation. The radial velocity (RV) measurements are derived by…

Solar and Stellar Astrophysics · Physics 2022-02-02 Hubiao Niu , Jianning Fu , Jiaxin Wang , Chunqian Li

It is expected that extreme mass accretion rate onto strongly magnetised neutron star results in appearance of accretion columns above stellar surface. For a distant observer, rotation of a star results in periodic variations of X-ray flux.…

High Energy Astrophysical Phenomena · Physics 2024-04-08 Alexander A. Mushtukov , Albert Weng , Sergey S. Tsygankov , Ilya A. Mereminskiy

The investigation of the pulsation properties of pre-main-sequence intermediate-mass stars is a promising tool to evaluate the intrinsic properties of these stars and to constrain current evolutionary models. Many new candidates of this…

Early-type magnetic stars are rarely found in close binary systems. No such objects were known in eclipsing binaries prior to this study. Here we investigated the eclipsing, spectroscopic double-lined binary HD66051, which exhibits…

Solar and Stellar Astrophysics · Physics 2018-05-16 O. Kochukhov , C. Johnston , E. Alecian , G. A. Wade

The bright eclipsing and bursting low-mass X-ray binary EXO 0748-676 has been observed at several occasions by XMM-Newton during the initial calibration and performance verification (CAL/PV) phase. We present here the results obtained from…

Astrophysics · Physics 2009-10-31 J. M. Bonnet-Bidaud , F. Haberl , P. Ferrando , P. J. Bennie , E. Kendziorra

We present the first results of the application of supervised classification methods to the Kepler Q1 long-cadence light curves of a subsample of 2288 stars measured in the asteroseismology program of the mission. The methods, originally…

CONTEXT: The small radius and high density of CoRoT-7b implies that this transiting planet belongs to a differen t species than all transiting planets previously found. Current models suggest that this is the first transiting rocky planet…

Earth and Planetary Astrophysics · Physics 2015-05-20 E. W. Guenther , J. Cabrera , A. Erikson , M. Fridlund , H. Lammer , A. Mura , H. Rauer , J. Schneider , M. Tulej , Ph. von Paris , P. Wurz

Recently, we presented the detection of carbon monoxide in the transmission spectrum of extrasolar planet HD209458b, using CRIRES, the Cryogenic high-resolution Infrared Echelle Spectrograph at ESO's Very Large Telescope (VLT). The high…

Earth and Planetary Astrophysics · Physics 2015-05-20 Ignas Snellen , Remco de Kok , Ernst de Mooij , Matteo Brogi , Bas Nefs , Simon Albrecht

The pulsating eclipsing binaries are remarkable systems that provide an opportunity to probe the stellar interior and to determine the fundamental stellar parameters precisely. Especially the detached eclipsing binary systems with (a)…

Eclipsing binary systems play a vital role in astrophysics, as they provide a direct means of measuring fundamental stellar parameters. By combining high-precision space-based observations with ground-based multicolor photometric data,…

Solar and Stellar Astrophysics · Physics 2025-06-12 N. Alan , M. Alpsoy , Y. Kilic

RR Lyn is a detached eclipsing binary with a 9.95 d orbit containing two A-stars: one metallic-lined and one possibly metal-poor. We use the light curve from the TESS satellite and two sets of published radial velocity measurements to…

Solar and Stellar Astrophysics · Physics 2021-09-22 John Southworth

Context. This research paper contains light curve modelling, spectroscopy and detailed asteroseismic studies for four out of five in total semidetached eclipsing binaries with a delta Scuti component, that have been detected to date through…

Solar and Stellar Astrophysics · Physics 2017-11-22 Alexios Liakos

The CoRoT (Convection, Rotation, and planetary Transits) mission still holds a large trove of high-quality, underused light curves with excellent signal-to-noise and continuous coverage. This paper, the first in a series, identifies and…

Context. TW Draconis is one of the best studied Algol-type eclipsing binaries. There is significant evidence for miscellaneous physical processes between interacting binary components manifesting themselves by period and light curve…

Solar and Stellar Astrophysics · Physics 2011-03-31 M. Zejda , M. Wolf , M. Slechta , Z. Mikulasek , J. Zverko , P. Svoboda , J. Krticka , J. Janik , H. Bozic

$\eta$ Car is a massive, eccentric binary with a rich observational history. We obtained the first high-cadence, high-precision light curves with the BRITE-Constellation nanosatellites over 6 months in 2016 and 6 months in 2017. The light…

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