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Related papers: KIC 7385478: An eclipsing binary with a {\gamma} D…

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We carried out light curve solutions of two eclipsing detached binaries on eccentric orbits observed by Kepler. The orbits and fundamental parameters of KIC 11619964 and KIC 7118545 were determined with a high accuracy by modeling of their…

Solar and Stellar Astrophysics · Physics 2015-07-23 Diana Kjurkchieva , Doroteya Vasileva

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

We present the first orbital elements for the massive close binary, HD 101131, one of the brightest objects in the young, open cluster, IC 2944. This system is a double-lined spectroscopic binary in an elliptical orbit with a period of…

Astrophysics · Physics 2009-11-07 D. R. Gies , L. R. Penny , P. Mayer , H. Drechsel , R. Lorenz

Irradiation effects in close binaries are crucial for a reliable determination of system parameters and understanding the close binary evolution. We study irradiated light originating from the low mass component of an eclipsing system…

Solar and Stellar Astrophysics · Physics 2016-02-10 Maja Vučković , Roy H. Østensen , Peter Németh , Steven Bloemen , Peter I. Pápics

We present the physical properties of KIC 5621294 showing light and timing variations from the ${\it Kepler}$ photometry. Its light curve displays partial eclipses and O'Connell effect with Max II fainter than Max I, which was fitted quite…

Solar and Stellar Astrophysics · Physics 2015-06-23 Jae Woo Lee , Kyeongsoo Hong , Tobias Cornelius Hinse

Aims. We aim to find more eclipsing multiple systems and obtain their parameters, thus increasing our understanding of multiple systems. Methods. The extraneous eclipses on the \textit{kepler} binary light curves indicating extraneous…

Solar and Stellar Astrophysics · Physics 2018-03-28 J. Zhang , S. B. Qian , S. M. Wang , L. L. Sun , Y. Wu , L. Q. Jiang

HP Dra is a well-detached eclipsing binary containing two late-F stars on an orbit with a relatively large period of 10.76 d and a small eccentricity of 0.036. It has been observed in 14 sectors using the Transiting Exoplanet Survey…

Solar and Stellar Astrophysics · Physics 2025-08-07 John Southworth

KIC~8262223 is an eclipsing binary with a short orbital period ($P=1.61$ d). The {\it Kepler} light curves are of Algol-type and display deep and partial eclipses, ellipsoidal variations, and pulsations of Delta Scuti type. We analyzed the…

Solar and Stellar Astrophysics · Physics 2017-03-15 Zhao Guo , Douglas R. Gies , Rachel A. Matson , Antonio García Hernández , Zhanwen Han , Xuefei Chen

In this paper, we analyze the light variation of KIC 8840638 using high-precision time-series data from $Kepler$ mission. The analysis reveals this target is a new Algol-type eclipsing binary system with a $\delta$ Scuti component, not a…

Solar and Stellar Astrophysics · Physics 2021-01-15 Tao-Zhi Yang , Zhao-Yu Zuo , Jun-Hui Liu , Xiao-Ya Sun

We present an analysis of NGC2204-S892 -- a new detached eclipsing binary composed of two late K dwarfs. Based on three photometric campaigns launched in 2008 we obtained 5 light curves (3 in V, 1 in B and 1 in I), and derived an orbital…

Solar and Stellar Astrophysics · Physics 2010-01-12 M. Rozyczka , J. Kaluzny , P. Pietrukowicz , W. Pych , B. Mazur , M. Catelan , I. B. Thompson

HD172189 is a spectroscopic eclipsing binary system with a rapidly-rotating pulsating delta Scuti component. It is also a member of the open cluster IC4756. These combined characteristics make it an excellent laboratory for asteroseismic…

We report the discovery of a low-mass totally eclipsing system in the young (age$\simeq$28 Myr) open cluster NGC2232, during a scrutiny of their TESS light curves. The follow-up study of this detached system, TIC 43152097, is based on…

Solar and Stellar Astrophysics · Physics 2023-09-27 A. Frasca , J. Alonso-Santiago , G. Catanzaro , A. Bragaglia , V. D'Orazi , X. Fu , A. Vallenari , G. Andreuzzi

In this paper, we report the evidence for a planetary mass body orbiting the close binary star KIC 5095269. This detection arose from a search for eclipse timing variations among the more than 2,000 eclipsing binaries observed by Kepler.…

Earth and Planetary Astrophysics · Physics 2017-05-03 A. K. Getley , B. Carter , R. King , S. O'Toole

We present the first orbital elements for the massive close binary, HD 115071, a double-lined spectroscopic binary in a circular orbit with a period of 2.73135 +/- 0.00003 days. The orbital semiamplitudes indicate a mass ratio of M_2/M_1 =…

Astrophysics · Physics 2009-11-07 L. R. Penny , D. R. Gies , J. H. Wise , D. J. Stickland , C. Lloyd

We present a hierarchical triple star system (KIC 9140402) where a low mass eclipsing binary orbits a more massive third star. The orbital period of the binary (4.98829 Days) is determined by the eclipse times seen in photometry from NASA's…

This research paper has light curve modelling, spectroscopy, and detailed asteroseismic studies for five detached eclipsing binaries with a $\gamma$ Dor component that have been found so far by the sky surveys. The objective is to study the…

Solar and Stellar Astrophysics · Physics 2025-02-25 O. Cakirli , B. Hoyman , O. Ozdarcan , S. Bilir

We present the results of our spectroscopic and photometric analysis of two newly discovered low-mass detached eclipsing binaries found in the All-Sky Automated Survey (ASAS) catalogue: ASAS J093814-0104.4 and ASAS J212954-5620.1. Using the…

HD 81809 has one of the highest quality activity cycles from the sample of stars synoptically observed in the Mount Wilson Observatory HK Project. However, this object is in fact a binary system, raising the question as to which of the…

Solar and Stellar Astrophysics · Physics 2018-10-24 Ricky Egeland

HS 0705+6700 is a short-period (P=2.3 hours), close binary containing a hot sdB-type primary and a fully convective secondary. We have monitored this eclipsing binary for more than 2 years and as a result, 32 times of light minimum were…

Solar and Stellar Astrophysics · Physics 2009-11-13 S. Qian , L. Zhu , S. Zola , W. Liao , L. Liu , L. Li , M. Winiarski , E. Kuligowska , J. Kreiner

Eclipsing binary systems hold a central position within astrophysics in that the fundamental parameters of stars can be determined by direct observations. The simultaneous analyses of high-quality space observations, combined with…

Solar and Stellar Astrophysics · Physics 2023-10-25 Neslihan Alan
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