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Time-series, multi-color photometry and high-resolution spectra of the short period eclipsing binary V Tri were obtained by observations. The completely covered light and radial velocity curves of the binary system are presented. All times…

Solar and Stellar Astrophysics · Physics 2017-05-24 A. B. Ren , X. B. Zhang , J. N. Fu , Y. P. Zhang , T. Q. Cang , L. Fox-Machado , C. Q. Li , P. Khokhuntod , Y. P. Luo

The first photometric analysis of V811 Cep was carried out. The first complete light curves of V, R and I bands are given. The analysis was carried out by Wilson-Devinney (W-D) program, and the results show that V811 Cep is a median-contact…

Solar and Stellar Astrophysics · Physics 2021-11-03 Xiang Gao , Kai Li , Xing Gao , Yuan Liu

This paper presents CCD observations of the Algol-type eclipsing binaries RZ Dra and EG Cep. The light curves have been analyzed with the PHOEBE software and Wilson-Devinney code (2003 version). A detailed photometric analysis, based on…

Solar and Stellar Astrophysics · Physics 2009-10-16 R. Pazhouhesh , A. Liakos , P. Niarchos

CCD photometric observations of the Algol-type eclipsing binary X Tri have been obtained. The light curves are analyzed with the Wilson-Devinney (WD) code and new geometric and photometric elements are derived. A new O-C analysis of the…

Solar and Stellar Astrophysics · Physics 2009-10-16 A. Liakos , P. Zasche , P. Niarchos

IQ Per is a totally-eclipsing binary system containing a B8 V star and an A6 V star in an orbit of period 1.744 d with eccentricity and apsidal motion. We use new light curves from the Transiting Exoplanet Survey Satellite (TESS) and…

Solar and Stellar Astrophysics · Physics 2024-10-31 John Southworth

We present a detailed analysis of the low-mass detached eclipsing binary system BB Persei, which contains two K-type stars in a circular orbit with a short period of 0.4856 d. We used light curves from the Transiting Exoplanet Survey…

New CCD light curves of the recently detected eclipsing variable GSC 4589-2999 were obtained and analysed using the Wilson-Deninney code. Spectroscopic observations of the system allowed the spectral classification of the components and the…

Solar and Stellar Astrophysics · Physics 2014-04-11 Alexios Liakos , Paolo Bonfini , Panagiotis Niarchos , Despina Hatzidimitriou

In this paper, the first complete photometric light curves in the B, V, and R passbands for an eclipsing binary LO Com are presented, and the photometric solution for the LO Com is derived by analyzing these light curves by using the Wilson…

Solar and Stellar Astrophysics · Physics 2017-08-03 Y. Zhang , Q. W. Han , J. Z. Liu

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.…

Astrophysics · Physics 2007-05-23 F. Hroch , M. Basny

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…

Solar and Stellar Astrophysics · Physics 2018-04-04 Bin Zhang , Sheng-bang Qian , R. Michel , B. Soonthornthum , Li-ying Zhu

CCD photometric observations of the Algol-type eclipsing binary AT Peg have been obtained. The light curves are analyzed with modern techniques and new geometric and photometric elements are derived. A new orbital period analysis of the…

Solar and Stellar Astrophysics · Physics 2015-06-03 Alexios Liakos , Panagiotis Niarchos , Edwin Budding

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

CCD light curves of the Algol type eclipsing binaries DP Cep, AL Gem, FG Gem, UU Leo, CF Tau and AW Vul were analysed using the Wilson-Deninney code and new geometric and absolute parameters were derived. Due to cyclic apparent orbital…

Solar and Stellar Astrophysics · Physics 2014-04-11 Alexios Liakos , Petr Zasche , Panagiotis Niarchos

The new multi-color $BVRI$ photometric light curves of the short-period eclipsing binary GSC 3576-0170 were obtained on two consecutive nights (October 5 and 6, 2009). With the 2003 version of Wilson-Devinney program, the precise…

Solar and Stellar Astrophysics · Physics 2011-12-09 Zhang Liyun , Jing Jianghong , Tang Yanke , Zhang Xiliang

$\gamma$ Persei is a long-period ($P \approx 14.6$ yr) eclipsing binary system. Its period makes it a difficult target to fully understand: so far, only two primary eclipses are known in the literature, from 1990 and from 2019, whereas the…

Solar and Stellar Astrophysics · Physics 2025-03-04 Rozália Z. Ádám , László Molnár

We present a comprehensive photometric study of the pulsating, eclipsing binary OO Dra. Simultaneous B- and V-band photometry of the star was carried out on 14 nights. Revised orbital period and a new ephemeris were derived from the data.…

Solar and Stellar Astrophysics · Physics 2015-06-22 X. B. Zhang , L. C. Deng , J. F. Tian , K. Wang , J. J. Sun , Q. L. Liu , H. Q. Xin , Q. Zhou , Z. Z. Yan , Z. Q. Luo , C. Q. Luo

We present the first Doppler images of the active eclipsing binary system SZ Psc, based on the high-resolution spectral data sets obtained in 2004 November and 2006 September--December. The least-squares deconvolution technique was applied…

Solar and Stellar Astrophysics · Physics 2015-12-23 Yue Xiang , Shenghong Gu , A. Collier Cameron , J. R. Barnes , Liyun Zhang

We present a detailed light curve analysis of publicly available V band observations of 62 binary stars, mostly contact binaries, obtained by the All Sky Automated Survey (ASAS)-3 project between 2000 and 2009. Eclipsing binaries are…

Solar and Stellar Astrophysics · Physics 2015-05-20 Sukanta Deb , Harinder P. Singh

New BVRI CCD observations of the semi-detached eclipsing binary EG Cep are presented. The observed light curves are analyzed with the Wilson-Devinney program and new geometrical and photometric elements are derived. These elements are used…

Solar and Stellar Astrophysics · Physics 2014-04-14 Chloi Vamvatira-Nakou , Alexios Liakos , Vassilios Manimanis , Panagiotis Niarchos

The photometric analysis and spectroscopic study of the long period low mass ratio deep contact binary KN Per were executed. The light curves of BV(RI)$_c$-band were from the Ningbo Bureau of Education and Xinjiang Observatory Telescope…

Solar and Stellar Astrophysics · Physics 2022-12-07 Xin-Yi Gao , Kai Li , Ya-Wen Cai , Ya-Ni Guo , Xing Gao , Xi Wang , Shi-Peng Yin , Fei Liu , Guo-You Sun
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