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Related papers: The \b{eta} Lyrae-Type Eclipsing Binary EG Cep: Ne…

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EE Cep is an eclipsing binary with a period of 5.6 years. The next eclipse will occur soon, in May-June 2003, and all available past eclipses were collected and briefly analysed. EE Cep shows very large changes of the shape and the depth of…

Astrophysics · Physics 2011-05-23 D. Graczyk , M. Mikolajewski , T. Tomov , D. Kolev , I. Iliev

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

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

Observations from the Heliospheric Imagers (HI-1) on both the STEREO spacecraft have been analysed to search for bright low mass eclipsing binaries (EBs) and potential brown dwarf transits and to determine the radii of the companions. A…

Solar and Stellar Astrophysics · Physics 2015-06-11 K. T. Wraight , L. Fossati , Glenn J. White , A. J. Norton , D. Bewsher

We present the results of our spectroscopic observations of eight detached eclipsing binaries (DEBs), selected from the $Kepler$ Eclipsing Binary Catalog. Radial velocities (RVs) were calculated from high resolution spectra obtained with…

Solar and Stellar Astrophysics · Physics 2017-04-19 K. G. Hełminiak , N. Ukita , E. Kambe , S. K. Kozłowski , P. Sybilski , H. Maehara , M. Konacki , R. K. Pawłaszek

We present the first evidence for the binarity of four targets in the TESS field. The temperatures are estimated by SED analysis and the orbital periods are determined. The TESS light curves of the systems are analysed and the orbital and…

Solar and Stellar Astrophysics · Physics 2022-01-05 Burak Ulas

DK Cyg (P = 0.4707) is a W Ursae Majoris type eclipsing binary system that undergoes complete eclipses. All the published photoelectric data have been collected and utilized to re-examine and update the period behavior of the system. A…

Solar and Stellar Astrophysics · Physics 2017-08-21 M. M. Elkhateeb , M. I. Nouh , E. Elkholy , B. Korany

Abstract abridged. Eclipsing binary systems provide the opportunity to measure the fundamental parameters of their component stars in a stellar-model-independent way. This makes them ideal candidates for testing and calibrating theories of…

Instrumentation and Methods for Astrophysics · Physics 2024-02-12 Luc W. IJspeert , Andrew Tkachenko , Cole Johnston , Andrej Prša , Mark A. Wells , Conny Aerts

We present results of our spectroscopic observations of nine detached eclipsing binaries (DEBs), selected from the $Kepler$ Eclipsing Binary Catalog, that only show one set of spectral lines. Radial velocities (RVs) were calculated from the…

Solar and Stellar Astrophysics · Physics 2017-02-14 K. G. Hełminiak , N. Ukita , E. Kambe , S. K. Kozłowski , P. Sybilski , M. Ratajczak , H. Maehara , M. Konacki

The observed light curves of most eclipsing binaries and stars with transiting planets can be well described and interpreted by current advanced physical models which also allow for the determination of many physical parameters of eclipsing…

Instrumentation and Methods for Astrophysics · Physics 2015-11-18 Zdeněk Mikulášek

Photometric observations of the eccentric eclipsing binary V1143 Cygni were performed during the August-September 2000 and July 2002, in B and V bands of the Johnson system. The analysis on both light curves was done separately using the…

Astrophysics · Physics 2009-11-10 A. Dariush , N. Riazi , A. Afroozeh

In 2002, 2004, and 2017 we conducted high precision CCD photometry observations of the eclipsing binary system AS~Cam. By the analysis of the light curves from 1967 to 2017 (our data + data from the literature) we obtained photometric…

Solar and Stellar Astrophysics · Physics 2018-02-07 V. S. Kozyreva , A. V. Kusakin , A. I. Bogomazov

V0842 Cep is a W UMa-type binary star that has been neglected since its discovery. We analysed the VR$_c$I$_c$ light curves, obtained by the 1 m telescope at the Weihai Observatory of Shandong University, using the Wilson-Devinney code.…

Solar and Stellar Astrophysics · Physics 2021-06-23 Yu-Yang Li , Kai Li , Yuan Liu

Radial-velocity measurements and sine-curve fits to the orbital radial velocity variations are presented for ten close binary systems: EG Cep,V1191 Cyg, V1003 Her, BD+7_3142, V357 Peg, V407 Peg, V1123 Tau, V1128 Tau, HH UMa, and PY Vir.…

Eclipsing binaries are vital for directly determining stellar parameters without reliance on models or scaling relations. Spectroscopically derived parameters of detached and semi-detached binaries allow us to determine component masses…

Solar and Stellar Astrophysics · Physics 2017-11-15 Rachel A. Matson , Douglas R. Gies , Zhao Guo , Stephen J. Williams

New multi-color light curves of the very short period K-type eclipsing binary V1799 Ori were obtained and analyzed with the W-D code. The photometric solutions reveal that the system is a W-type shallow-contact binary with a mass ratio of…

Solar and Stellar Astrophysics · Physics 2015-06-19 Nian-Ping Liu , Sheng-Bang Qian , Wen-Ping Liao , Jia-Jia He , Er-Gang Zhao , Liang Liu

We present a new BVR light curves of the system EQ Tau carried out in the period from March to April 2006 using a 50 cm F/8.4 Ritchey Chretien telescope of the Baja Astronomical Observatory (Hungary, and 512*512 Apogee AP-7 CCD camera). The…

Solar and Stellar Astrophysics · Physics 2015-04-08 M. M. Elkhateeb , M. I. Nouh

We report an analysis of two poorly studied systems GSC 04396-00605 and GSC 04395-00485, which were recently named as V0455 Dra and V0454 Dra, respectively. For two eclipsing stars, the periods and epochs were significantly corrected using…

Solar and Stellar Astrophysics · Physics 2020-05-05 Yonggi Kim , Ivan L. Andronov , Kateryna D. Andrych , Joh-Na Yoon , Kiyoung Han , Lidia L. Chinarova

Eclipsing binary systems (EBs), as foundational objects in stellar astrophysics, have garnered significant attention in recent years. These systems exhibit periodic decreases in light intensity when one star obscures the other from the…

Solar and Stellar Astrophysics · Physics 2025-04-23 Ying Shan , Jing Chen , Zichong Zhang , Liang Wang , Zhiqiang Zou , Min Li

Based on luminosity contributions, we develop a spectroscopic modelling method to derive atmospheric parameters of component stars in binary systems. The method is designed for those spectra of binaries which show double-lined features due…

Solar and Stellar Astrophysics · Physics 2023-03-15 Xiang-Lei Chen , A-Li Luo , Jian-Jun Chen , Rui Wang , Xiao-Bin Zhang , Wen Hou , Bo Qiu , Fang Zuo