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When observing the transiting extrasolar planets, we discovered a new W UMa type binary GSC 03553-00845. Following observation was carried out using the 1m telescope at Weihai Observatory of Shandong University. Complete BVR light curves…

太阳与恒星天体物理 · 物理学 2015-06-22 D. -F. Guo , K. Li , S. -M. Hu , Y. -G. Jiang , D. -Y. Gao , X. Chen

This study continues our in-depth investigation of total-eclipse W Ursae Majoris-type contact binaries by analyzing eight new systems, complementing our previous work. Multiband $BVR_cI_c$ photometric data were acquired through ground-based…

We report on the properties of eclipsing binaries from the Kepler mission with a newly developed photometric modeling code, which uses the light curve, spectral energy distribution of each binary, and stellar evolution models to infer…

太阳与恒星天体物理 · 物理学 2019-08-14 Diana Windemuth , Eric Agol , Aleezah Ali , Flavien Kiefer

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…

太阳与恒星天体物理 · 物理学 2022-02-16 Padraic Odesse , Catherine Lovekin

The photometric and spectroscopic data for three double-lined detached eclipsing binaries were collected from the photometric and spectral surveys. The light and radial velocity curves of each binary system were simultaneously analyzed by…

太阳与恒星天体物理 · 物理学 2021-02-10 D. -Y. Yang , L. -F. Li , Q. -W. Han

New BVR light curves of the eclipsing binary system NSV 5904 have been constructed based on CCD observations obtained using 1.88-m telescope of Kottamia observatory during the phase of telescope testing and adjusting its optical quality on…

太阳与恒星天体物理 · 物理学 2012-11-07 A. Essam , A. Naklawy , A. A. Haroon , M. A. Hamdy , G. B. Ali , H. A. Ismail , I. M. Selim , Y. A. Azzam , F. I. Elnagahy

We present the first detailed photometric analysis of ATO J108.6991+27.8306 (hereinafter as J108). The short-period close binary J108 was observed by the Nanshan 1 m Wide Field Telescope of the Xinjiang Astronomical Observatory. The…

太阳与恒星天体物理 · 物理学 2023-03-29 Shuo Ma , Jinzhong Liu , Yu Zhang , Guoliang Lü , Ting Wu , Chenyang He

Eclipsing binary systems form the fundamental basis of Astronomy in the sense that they are the primary means to determine fundamental stellar astrophysical quantities such as mass, radius, and temperature. Furthermore, they allow us to…

太阳与恒星天体物理 · 物理学 2010-04-09 Jeffrey L. Coughlin

We present our ground-based CCD observations of the close binary systems DD Mon and XY UMa in B, V, R and I bands. The light curves are analyzed using the Wilson-Devinney code (W-D) for the derivation of the geometric and photometric…

太阳与恒星天体物理 · 物理学 2009-10-16 K. Gazeas , A. Liakos , P. Niarchos

We present new photometric observations of RV Tri. A complete light curve was obtained in the R and V filters. These light curves were processed by the Wilson-Devinney (WD) code and the FOTEL to get solution of this eclipsing binary system.…

天体物理学 · 物理学 2007-05-23 F. Hroch , M. Basny

Multiband photometric investigations for eight binary systems of the W Ursae Majoris (W UMa)-type are presented. Six systems are presented for the first time to analyze their light curves. All the analyzed systems have a temperature below…

太阳与恒星天体物理 · 物理学 2024-01-19 Atila Poro , Mehmet Tanriver , Raul Michel , Ehsan Paki

New CCD photometric observations of the eclipsing binary V566 Oph have been obtained. The light curves are analyzed with the Wilson-Devinney code and new geometric and photometric elements are derived. A new O-C analysis of the system is…

太阳与恒星天体物理 · 物理学 2009-12-21 A. Liakos , S. Varrias , P. Niarchos

Eclipsing binary systems with a Delta (${\delta}$) Scuti component serve a vital role in deriving precise fundamental stellar parameters and testing stellar evolution models. This study mainly focuses on the Kepler target KIC 8569819, a…

太阳与恒星天体物理 · 物理学 2026-03-24 Dinesha Dharmathilaka , Janaka Adassuriya , Chandana Jayaratne , Jordi Gutiérrez

We carried out high-precision photometric observations of three eclipsing ultrashortperiod contact binaries (USPCBs). Theoretical models were fitted to the light-curves by means of the Wilson-Devinney code. The solutions suggest that the…

太阳与恒星天体物理 · 物理学 2018-01-10 L. Liu , S. -B. , E. Fernandez Lajus , A. Essam , M. A. El-Sadek , X. Xiong

We present new orbital solutions for 15 binaries, which were astrometrically measured during 2010-2013. We observe the binary systems using the FastCam ``lucky-imaging'' camera, installed at the 1.5-m Carlos S\'anchez Telescope (CST) at the…

太阳与恒星天体物理 · 物理学 2024-12-16 F. M. Rica , R. Barrena , J. A. Henríquez , G. Vázquez , C. Vázquez , D. Hernández , J. L. del Rosario

In this paper, CCD photometric light curves for the short-period eclipsing binary 1SWASP J140533.33+114639.1 (hereafter J1405) in the $BVR$ bands are presented and analyzed using the 2013 version of the Wilson-Devinney (W-D) code. It is…

太阳与恒星天体物理 · 物理学 2018-04-04 Bin Zhang , Sheng-bang Qian , R. Michel , B. Soonthornthum , Li-ying Zhu

We present absolute physical and orbital parameters for three double-lined detached eclipsing binary systems from the All Sky Automated Survey (ASAS) catalogue with subgiant and giant components. These parameters were derived from archival…

太阳与恒星天体物理 · 物理学 2013-06-21 M. Ratajczak , K. G. Hełminiak , M. Konacki , A. Jordan

New photometric observations of NSVS 01286630 were performed and two sets of four-color (B, V , Rc, Ic) light curves (LCs) were obtained. Using the 2013 version of the Wilson-Devinney (W-D) code, we analyzed these data. The photometric…

太阳与恒星天体物理 · 物理学 2018-09-19 Bin Zhang , Sheng-bang Qian , Wen-ping Liao , Li-ying Zhu , Ai-jun Dong , Qi-jun Zhi

We present the photometric analysis of six short-period systems (EI Oct, V336 TrA, NX Boo, V356 Boo, PS Boo, and V2282 Cyg). This is the first photometric analysis of these systems except for V336 TrA. Observations were conducted for 27…

We performed photometric and spectroscopic investigations of NSVS 5029961 for the first time. The new BV(RI)$_c$-band light curves were obtained with the 1.0-m telescope at Weihai Observatory of Shandong University. Applying the…

太阳与恒星天体物理 · 物理学 2021-07-07 Shu-Yue Zheng , Kai Li , Qi-Qi Xia