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New BVRI light curves of the eclipsing binary system 1SWASP J160156.04+202821.6 have been obtained with the 1.88-m telescope of Kottamia Astronomical Observatory (KAO), Egypt on June, 2013. New twenty times of minima of the system J1601 and…

Solar and Stellar Astrophysics · Physics 2015-06-19 A. Essam , Nasser M. A

Photometric analysis of $BVR_C$ light curves of newly discovered eclipsing binary GSC 0008-00901 is presented. The orbital period is improved to 0.28948(11) days. Photometric parameters are determined, as well. The analysis yielded to…

Astrophysics · Physics 2008-11-26 S. Parimucha , T. Pribulla , M. Vaňko , P. Dubovsky , L. Hambalek

We present the photometric analysis of \textit{BVR} and \textit{TESS} light curves of three eclipsing binaries (RU~UMi and purely studied VY~UMi, GSC 04364-00648), together with their period changes considering archival data and new minima…

Solar and Stellar Astrophysics · Physics 2023-04-12 V. Kudak , Š. Parimucha , V. Perig , P. Gajdoš

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

We present CCD photometric observations of an eclipsing binary in the direction of the open cluster Praesepe using the 2 m telescope of IUCAA Girawali Observatory, India. Though the system was classified as an eclipsing binary by Pepper et…

Solar and Stellar Astrophysics · Physics 2019-08-19 D. Shanti Priya , K. Sriram , P. Vivekananda Rao

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…

Solar and Stellar Astrophysics · Physics 2015-06-22 D. -F. Guo , K. Li , S. -M. Hu , Y. -G. Jiang , D. -Y. Gao , X. Chen

The multi-color photometric and spectroscopic (based on observations obtained with the T{\"U}B{\.I}TAK National Observatory 1.5-meter telescope, which is owned and operated by the T{\"U}B{\.I}TAK) observations of the newly discovered…

Solar and Stellar Astrophysics · Physics 2015-06-12 Ö. Çakirli

Blue and Visual photoelectric light curves have been achieved for the eclipsing binary SW Lac in 1995. Nine moments of minimum light were derived. Period of 0.320854 days have been determined as the mean of those derived from blue and…

Solar and Stellar Astrophysics · Physics 2014-02-13 A. Essam , A. El-Bassuny Alawy , M. A. Hamdy

The Chinese Small Telescope ARray (CSTAR) has observed an area around the Celestial South Pole at Dome A since 2008. About $20,000$ light curves in the i band were obtained lasting from March to July, 2008. The photometric precision…

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

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

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…

New CCD photometric observations and their investigation of the W UMa-type binary, V870 Ara, are presented. Light curves of the system were taken through BVI filters from the Congarinni Observatory in Australia. The new ephemeris is…

Solar and Stellar Astrophysics · Physics 2021-07-14 Atila Poro , Mark G. Blackford , Fatemeh Davoudi , Amirreza Mohandes , Mohammad Madani , Samaneh Rezaei , Elnaz Bozorgzadeh

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

First photometric study for the newly discovered systems USNO-B1.0 1091-0130715 and GSC-03449-0680 were applied by means of recent windows interface version of the Wilson and Devinney code based on model atmospheres by Kurucz (1993). The…

Solar and Stellar Astrophysics · Physics 2015-06-19 M. M. Elkhateeb , M. I. Nouh , R. H. Nelson

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

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

We report on observations of the eclipsing binary 2MASS 19090585+4911585 with the 25 cm auxiliary telescope of the University Observatory Jena. We show that a nearby brighter star (2MASS 19090783+4912085) was previously misclassified as the…

The first detailed photometric and spectroscopic analysis of the G-type eclipsing binary KM UMa is presented, which indicates that the system is a short-period detached eclipsing binary. The radial velocity curves were calculated using the…

Solar and Stellar Astrophysics · Physics 2024-10-10 Fangbin Meng , Liying Zhu , Nianping Liu , Ping Li , Jia Zhang , Linjia Li , Azizbek Matekov

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…

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