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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…

太阳与恒星天体物理 · 物理学 2011-12-09 Zhang Liyun , Jing Jianghong , Tang Yanke , Zhang Xiliang

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…

天体物理学 · 物理学 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…

太阳与恒星天体物理 · 物理学 2023-04-12 V. Kudak , Š. Parimucha , V. Perig , P. Gajdoš

We present results of optical and infrared photometric monitoring of the eclipsing low-mass X-ray binary V395 Car (2S 0921-630). Our observations reveal a clear, repeating orbital modulation with an amplitude of about one magnitude in B,…

高能天体物理现象 · 物理学 2015-06-05 Teresa A. Ashcraft , Robert I. Hynes , Edward L. Robinson

The CCD photometric observations of the eclipsing binary PS Persei (PS Per) were obtained on two consecutive days in 2009. The 2003 version Wilson-Devinney code was used to analyze the first complete light curves in $V$ and $R$ bands. It is…

太阳与恒星天体物理 · 物理学 2015-05-19 Jinzhao Yuan

Aims. We aim to find more eclipsing multiple systems and obtain their parameters, thus increasing our understanding of multiple systems. Methods. The extraneous eclipses on the \textit{kepler} binary light curves indicating extraneous…

太阳与恒星天体物理 · 物理学 2018-03-28 J. Zhang , S. B. Qian , S. M. Wang , L. L. Sun , Y. Wu , L. Q. Jiang

We present a catalog of precise eclipse times and analysis of third body signals among 1279 close binaries in the latest Kepler Eclipsing Binary Catalog. For these short period binaries, Kepler's 30 minute exposure time causes significant…

太阳与恒星天体物理 · 物理学 2015-06-16 Kyle E. Conroy , Andrej Prsa , Keivan G. Stassun , Jerome A. Orosz , Daniel C. Fabrycky , William F. Welsh

We present an early result from an automated search of Kepler eclipsing binary systems for circumbinary companions. An intriguing tertiary signal has been discovered in the short period eclipsing binary KIC002856960. This third body leads…

地球与行星天体物理 · 物理学 2015-06-11 D. Armstrong , D. Pollacco , C. A. Watson , F. Faedi , Y. Gómez Maqueo Chew , H. M. Cegla , P. McDaid , J. Burton , J. McCormac , I. Skillen

New multiband CCD photometry is presented for the eclipsing binary GW Gem; the $RI$ light curves are the first ever compiled. Four new minimum timings have been determined. Our analysis of eclipse timings observed during the past 79 years…

天体物理学 · 物理学 2009-11-13 Jae Woo Lee , Seung-Lee Kim , Chung-Uk Lee , Ho-Il Kim , Jang-Ho Park , So-Ra Park , Robert H. Koch

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.…

We analyse a set of moments of minima of eclipsing variable V0873 Per. V0873 Per is a short period low mass binary star. Data about moments of minima of V0873 Per were taken from literature and our observations during 2013-2014. Our aim is…

The $13.6\times 13.6$ arcmin$^{2}$ field covering the central part of the globular cluster NGC~6397 was surveyed in a search for short-period variable stars. We obtained light curves for 6 close binaries, 2 SX~Phe stars and 1 RR~Lyrae…

天体物理学 · 物理学 2009-10-28 J. Kaluzny

As part of a project to better characterize comparatively bright, yet little studied cataclysmic variables time resolved photometry of the three eclipsing novalike variables EC 21178-5417, GS Pav und V345 Pav is presented. Previously known…

太阳与恒星天体物理 · 物理学 2017-05-03 Albert Bruch

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…

太阳与恒星天体物理 · 物理学 2014-04-11 Alexios Liakos , Paolo Bonfini , Panagiotis Niarchos , Despina Hatzidimitriou

New CCD photometry during 4 successive years from 2005 is presented for the eclipsing binary GW Cep, together with reasonable explanations for the light and period variations. All historical light curves, obtained over a 30-year interval,…

太阳与恒星天体物理 · 物理学 2015-05-14 Jae Woo Lee , Jae-Hyuck Youn , Wonyong Han , Chung-Uk Lee , Seung-Lee Kim , Ho-Il Kim , Jang-Ho Park , Robert H. Koch

We present a new few-parameter phenomenological model of light curves of eclipsing binaries and stars with transiting planets that is able to fit the observed light curves with the accuracy better than 1\% of their amplitudes. The model can…

太阳与恒星天体物理 · 物理学 2015-02-27 Zdeněk Mikulášek , Miloslav Zejda , Theodor Pribulla , Martin Vaňko , Shen-Bang Qian , 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

We present the results of a photometric survey for variable stars in the central region of the nearby globular cluster NGC 6397.Time series photometry was obtained for 30 variable objects. The sample includes 12 new objects, of which 6 show…

天体物理学 · 物理学 2009-11-13 J. Kaluzny , I. B. Thompson , W. Krzeminski

V606 Centauri (V606 Cen) is an early B-type close binary with an orbital period of 1.4950935\,d and the complete light curves are very difficult to be observed on the ground. By analyzing the unbroken and continuous light curve obtained by…

太阳与恒星天体物理 · 物理学 2023-04-04 F. -X. Li , W. -P. Liao , S. -B. Qian , E. Fernández Lajús , J. Zhang , E. -G. Zhao

We present new multiband CCD photometry for AA UMa made on 8 nights between January and March 2009; the $R$ light curves are the first ever compiled. Historical light curves, as well as ours, display partial eclipses and inverse O'Connell…

太阳与恒星天体物理 · 物理学 2015-05-20 Jae Woo Lee , Chung-Uk Lee , Seung-Lee Kim , Ho-Il Kim , Jang-Ho Park
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