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相关论文: Photometric light curve solutions of three ultra-s…

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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

Photometric observations in V and I bands of six eclipsing binaries at the lower limit of the orbital periods of W UMa stars are presented. Three of them are newly discovered eclipsing systems. The light curve solutions revealed that all…

太阳与恒星天体物理 · 物理学 2015-09-16 Diana P. Kjurkchieva , Dinko P. Dimitrov , Sunay I. Ibryamov

The first multicolor observations, and light curve solutions, of the eclipsing binary systems V1009~Per and CRTS~J031642.2+332639 are presented. Using the 2005 version of the Wilson-Devinney code, both systems are found to be W UMa contact…

太阳与恒星天体物理 · 物理学 2019-02-13 Raul Michel , Francesco Acerbi , Carlo Barani , Massimiliano Martignoni

The $B$ $V$ $R_c$ $I_c$ bands light curves of the newly discovered binary system \astrobj{GSC 03122-02426} are obtained and analyzed using the Wilson-Devinney (W-D) code. The solutions suggest that the mass ratio of the binary system is $q…

太阳与恒星天体物理 · 物理学 2016-08-04 X. Zhou , S. -B. Qian , J. -J. He , J. Zhang , B. Zhang

We presented the first photometric light curve solutions of four W Ursae Majoris (W UMa)-type contact binary systems. This investigation utilized photometric data from the Transiting Exoplanet Survey Satellite (TESS) and Gaia Data Release 3…

太阳与恒星天体物理 · 物理学 2025-02-20 Atila Poro , Razieh Aliakbari , Hossein Azarara , Asma Ababafi , Sadegh Nasirian

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

The period distribution of contact binaries exhibits a very sharp short period cut-off at 0.22 days. In order to provide valuable information on this short period limit, we observed ten totally eclipsing contact binaries with orbital…

太阳与恒星天体物理 · 物理学 2019-03-20 Kai Li , Qi-Qi Xia , Raul Michel , Shao-Ming Hu , Di-Fu Guo , Xing Gao , Xu Chen , Dong-Yang Gao

Extreme mass-ratio contact binaries with a high degree of overcontact may be in the late evolutionary stages of the contact phase. Detailed photometric analyses and orbital period studies of those systems can provide invaluable information…

太阳与恒星天体物理 · 物理学 2015-06-12 Eric Broens

We present a comprehensive photometric light curve and orbital period analysis of the W UMa-type contact binary EM Tuc. The O-C analysis constructed from all available eclipse timings exhibits a clear upward parabolic trend, indicating a…

太阳与恒星天体物理 · 物理学 2025-12-01 Sepideh Houshiar , Atila Poro , Abbas Abedini , Eduardo Fernández Lajús

Photometric observations in V and I bands and low-dispersion spectra of ten ultrashort-period binaries (NSVS 2175434, NSVS 2607629, NSVS 5038135, NSVS 8040227, NSVS 9747584, NSVS 4876238, ASAS 071829-0336.7, SWASP 074658.62+224448.5, NSVS…

太阳与恒星天体物理 · 物理学 2018-03-21 Diana P. Kjurkchieva , Dinko P. Dimitrov , Sunay I. Ibryamov , Doroteya L. Vasileva

We presented the first high-precision, detailed photometric analysis of four W Ursae Majoris (W UMa)-type contact binaries, Linear 10772300, Linear 11150338, Linear 20372537 and DM Cir. In addition to ground-based multiband photometric…

太阳与恒星天体物理 · 物理学 2026-02-16 Elham Sarvari , Atila Poro , Raul Michel , Anna Francesca Pala , Mehmet Tanriver , Ahmet Bulut , Ahmet Keskin , Mark G. Blackford

We use extensive model grids to estimate the global parameters of four partially-eclipsing W UMa contact binaries near the period cutoff. All four systems consist of K-type main sequence primaries and M-type secondaries that appear…

太阳与恒星天体物理 · 物理学 2023-02-02 Atila Čeki , Olivera Latković

Using multicolour photometry we have confirmed the binary nature of the new W-type W UMa eclipsing binary VSX J053024.8+842243 and established its primary eclipse ephemeris to be HJD = 2455924.38150(26) + 0.4322929(1) * E. Using the light…

太阳与恒星天体物理 · 物理学 2018-04-04 D. R. S. Boyd

Light curve modeling for the newly discovered system 1SWASP J092328.76+435044 was carried out by using a new BVR complete light curves. A spotted model was applied to treat the asymmetry of the light curves. The output model was obtained by…

太阳与恒星天体物理 · 物理学 2018-04-04 M. M. Elkhateeb , M. I. Nouh , R. Michel , A. Haroon , E. Elkholy

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…

太阳与恒星天体物理 · 物理学 2017-08-03 Y. Zhang , Q. W. Han , J. Z. Liu

We carried out light curve solutions of the ultrashort-period binaries with MS components observed by $Kepler$. All six targets turned out almost in thermal contact with contact or slightly overcontact configurations. Two of them, KID…

太阳与恒星天体物理 · 物理学 2015-06-23 Diana Kjurkchieva , Dinko Dimitrov

Eclipsing binaries offer a unique opportunity to determine basic stellar properties. With the advent of wide-field camera and all-sky time-domain surveys, thousands of eclipsing binaries have been charted via light curve classification, yet…

太阳与恒星天体物理 · 物理学 2017-03-08 Chien-Hsiu Lee

The first V Rc Ic bands light curves of MQ UMa are presented and analyzed using the Wilson-Devinney (W-D) program. It is discovered that MQ UMa is an A-subtype contact binary with a high fill-out (f=82 %) and a low mass ratio (q = 0:195),…

太阳与恒星天体物理 · 物理学 2016-08-03 X. Zhou , S. -B. Qian , W. -P. Liao , E. -G. Zhao , J. -J. Wang , L. -Q. Jiang

This study broadens our comprehensive investigation of total-eclipse W Ursae Majoris-type contact binaries by analyzing eight additional systems, continuing our previous research. Multiband $BVR_cI_c$ photometric data were obtained at an…

太阳与恒星天体物理 · 物理学 2025-11-25 Atila Poro , Raul Michel , Francisco Javier Tamayo , Mahya Hedayatjoo , Hector Aceves , Fahri Alicavus

Multi-color photometric light curves of NO Cam in $V$ $R_C$ and $I_C$ bands are obtained and analyzed simultaneously using the Wilson-Devinney (W-D) program. The solutions suggest that NO Cam is an A-subtype overcontact binary with its mass…

太阳与恒星天体物理 · 物理学 2017-05-17 Xiao Zhou , Shengbang Qian , Bin Zhang
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