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This work includes a comprehensive analysis of the Kepler detached eclipsing binary system KIC 6629588 that aims to the detailed study of the oscillation properties of its pulsating component. Ground-based spectroscopic observations were…

Solar and Stellar Astrophysics · Physics 2024-06-19 Alexios Liakos

The eccentricity, periastron angle, orbital inclination, mass ratio, stellar temperatures and relative stellar radii of 12 eclipsing eccentric binaries were determined on the basis of Kepler data. The analysis of their out-of-eclipse…

Solar and Stellar Astrophysics · Physics 2016-12-28 Diana Kjurkchieva , Doroteya Vasileva , Dinko Dimitrov

We present the physical properties of EPIC 245932119 ($K_{\rm p}$ = $+$9.82) exhibiting both eclipses and pulsations from the {\it K{\rm 2}} photometry. The binary modeling indicates that the eclipsing system is in detached or semi-detached…

Solar and Stellar Astrophysics · Physics 2018-12-26 Jae Woo Lee , Kyeongsoo Hong , Martti H. Kristiansen

We present the search for eclipsing binaries with a pulsating component in the first catalogue of optically variable sources observed by OMC/INTEGRAL, which contains photometric data for more than 1000 eclipsing binaries. Five objects were…

Comprehensive analysis of optical spectroscopy and space photometry of the solar type eclipsing binary system KIC\,4832197 is presented. The system is composed of F7V + F9V components with masses of $M_{1}=1.16\pm0.12~M_{\odot}$,…

Solar and Stellar Astrophysics · Physics 2023-06-21 Orkun Özdarcan , Hasan Ali Dal , Ezgi Yoldaş

In this study, we present the results obtained from KIC 9761199's the photometrical data acquired by the Kepler Mission. The light curve of the system, the sinusoidal variation out-of-eclipses and instant-short term flare events in the…

Solar and Stellar Astrophysics · Physics 2016-11-08 Ezgi Yoldas , Hasan Ali Dal

We report the discovery of a new Kepler first-overtone RR Lyrae pulsator, KIC 2831097. The pulsation shows large, 0.1 d amplitude, systematic phase variations that can be interpreted as light travel-time effect caused by orbital motion in a…

Solar and Stellar Astrophysics · Physics 2016-11-15 Á. Sódor , M. Skarka , J. Liška , Zs. Bognár

We report the identification of 61.45 d^-1 (711.2 mu Hz) oscillations, with amplitudes of 62.6-mu mag, in KIC 4768731 (HD 225914) using Kepler photometry. This relatively bright (V=9.17) chemically peculiar star with spectral type A5 Vp…

As a result of the search among about 11 000 stars from the public ASAS-3 database, we report detection of pulsating components in eleven eclipsing binaries. In particular, we have found three classical Algols, MX Pav, IZ Tel, and VY Mic,…

Astrophysics · Physics 2007-05-23 A. Pigulski , G. Michalska

KIC 4247791 is an eclipsing binary observed by the Kepler satellite mission. We wish to determine the nature of its components and in particular the origin of a shallow dip in its Kepler light curve that previous investigations have been…

Solar and Stellar Astrophysics · Physics 2012-03-06 H. Lehmann , M. Zechmeister , S. Dreizler , S. Schuh , R. Kanzler

KIC 9532219 is a W UMa-type eclipsing binary with an orbital period of 0.1981549 d that is below the short-period limit ($\sim$0.22 d) of the period distribution for contact binaries. The {\it Kepler} light curve of the system exhibits…

Solar and Stellar Astrophysics · Physics 2016-03-23 Jae Woo Lee , Kyeongsoo Hong , Jae-Rim Koo , Jang-Ho Park

In this paper we analyzed the light curve of the object KIC~3832716 observed during Kepler K1 mission. We showed that this previously known eclipsing binary is in fact quadruple system, in double eclipsing binary configuration on a long…

Solar and Stellar Astrophysics · Physics 2018-12-12 M. Fedurco , Š. Parimucha

KIC 10417986 is a short orbital period (0.0737 d) ellipsoidal variable star with a {\delta} Scuti and {\gamma} Doradus hybrid pulsations component discovered by Kepler. The ground-based spectroscopic observations were carried out in the…

Solar and Stellar Astrophysics · Physics 2022-10-05 Guo-Jie Feng , Ali Esamdin , Jian-Ning Fu , Hu-Biao Niu , Peng Zong , Tao-Zhi Yang , Shu-Guo Ma , Jing Xu , Chun-Hai Bai , Yong Wang , Wei-Chao Sun , Xin-Liang Wang

We present Kepler photometry and ground based spectroscopy of KIC 4544587, a short-period eccentric eclipsing binary system with self-excited pressure and gravity modes, tidally excited modes, tidally influenced p modes, and rapid apsidal…

Solar and Stellar Astrophysics · Physics 2015-06-16 K. M. Hambleton , D. W. Kurtz , A. Prsa , J. A. Guzik , K. Pavlovski , S. Bloemen , J. Southworth , K. Conroy , S. P. Littlefair , J. Fuller

KIC 6131659 is a long-period (17.5 days) eclipsing binary discovered by the Kepler mission. We analyzed six quarters of Kepler data along with supporting ground-based photometric and spectroscopic data to obtain accurate values for the mass…

Eclipsing binary systems with pulsating components allow the determination of several physical parameters of the stars, such as mass and radius, that, when combined with the pulsation properties, can be used to constrain the modeling of…

Solar and Stellar Astrophysics · Physics 2014-05-08 Ronaldo da Silva , Carla Maceroni , Davide Gandolfi , Holger Lehmann , Artie P. Hatzes

We used high-quality Kepler photometry and spectroscopic data to investigate the Kepler binary candidate KIC 5988140. Using the spectrum synthesis method, we derived the fundamental parameters Teff, log g, [M/H], and v.sini and the…

KIC 8560861 (HD 183648) is a marginally eccentric (e=0.05) eclipsing binary with an orbital period of P_orb=31.973d, exhibiting mmag amplitude pulsations on time scales of a few days. We present the results of the complex analysis of high…

The A/F-type stars and pulsators ($\delta$ Scuti-$\gamma$ Dor) are in a critical regime where they experience the transition from radiative to convective transport of energy in their envelopes. Such stars can pulsate in both gravity and…

Solar and Stellar Astrophysics · Physics 2017-12-01 Anya , Samadi Gh. , Patricia Lampens , Davood M. Jassur

We present the eclipsing Heartbeat Star KIC 9704906 with tidally excited oscillations (TEOs) and gamma Doradus/delta Scuti hybrid pulsations. The derived parameters show that it has an orbital period of $P$=8.7529108(1) days, a high…

Solar and Stellar Astrophysics · Physics 2024-12-10 Min-Yu Li , Sheng-Bang Qian , Li-Ying Zhu , Liang Liu , Wen-Ping Liao , Er-Gang Zhao , Xiang-Dong Shi , Fu-Xing Li , Qi-Bin Sun